feat: add comprehensive test coverage for 7 modules
New test files (150 tests, 0 failures): - subtitles/srt: 22 tests (timestamps, multi-line, malformed, line endings) - subtitles/ass: 17 tests (styles, alignment, override tags, resolution) - subtitles/parse: 8 tests (dispatch, case-insensitive, unsupported ext) - utils/math-extended: 35 tests (clamp, snapToStep, isNearlyEqual, format) - fps-extended: 16 tests (frameRate conversion, NTSC, GCD reduction) - rendering: 15 tests (transform builder, opacity, blend modes) - params: 32 tests (coerce, valueKind, interpolation, numeric range) Also includes HANDOFF.md with full documentation of workflow, completed work, and next steps for other agents.
This commit is contained in:
OpenClaw Agent
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# OpenCut Test Coverage - Agent Handoff
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## Workflow Summary
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Agent wrote comprehensive test files for 7 modules in `apps/web/src/` that previously lacked tests. All tests use `bun:test` and pass (150 tests, 0 failures).
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## What's Done ✅
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### 1. Subtitles SRT Parser (`subtitles/__tests__/srt.test.ts`) — 22 tests
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- Basic multi-cue parsing
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- Timestamp formats: comma (`HH:MM:SS,mmm`), dot (`HH:MM:SS.mmm`), mixed, 1-2 digit ms
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- Multi-line cue text
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- Sequence numbers (with/without)
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- Empty input → empty result
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- Malformed blocks (missing timestamp, bad format, single line, empty text)
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- Non-positive duration (end ≤ start)
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- `\r\n` and `\r` line endings
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- Whitespace handling (trim, extra blanks, spaced arrows)
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### 2. Subtitles ASS Parser (`subtitles/__tests__/ass.test.ts`) — 17 tests
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- Basic ASS parsing (Script Info + Styles + Events)
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- Default play resolution (384×288)
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- Custom play resolution from PlayResX/PlayResY
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- V4+ style properties (fontFamily, bold, italic, letterSpacing, textAlign, verticalAlign)
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- Fallback to default style for missing style names
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- Extra comma in text field (last field captures remainder)
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- Override tag stripping (`{\b1}`, `\\N` → newline, `\\h` → space)
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- Empty input
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- Alignment mapping (2→center/bottom, 5→center/middle, 9→right/top)
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- Non-dialogue events (Comment ignored)
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- Effects field handling
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### 3. Subtitles Parse Dispatcher (`subtitles/__tests__/parse.test.ts`) — 8 tests
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- Dispatches `.srt` → `parseSrt`
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- Dispatches `.ass` → `parseAss`
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- Throws for `.txt`, `.vtt`, `.sub`
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- Case-insensitive extension matching (`test.SRT`, `test.ASS`)
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- Multiple dots in filename
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- No extension throws
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### 4. Math Utils (`utils/__tests__/math-extended.test.ts`) — 35 tests
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- `clamp`: in-range, below min, above max, boundaries, negative ranges, min > max
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- `clampRound`: rounds then clamps, boundaries, negative values
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- `getFractionDigitsForStep`: integer, decimal, scientific notation
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- `snapToStep`: nearest step, step=0 (unchanged), negative step, boundaries, negative values
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- `isNearlyEqual`: equal, within epsilon, outside epsilon, custom epsilon, negative, zero
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- `formatNumberForDisplay`: integer, decimals, trailing zeros, fractionDigits, min/max fraction, negative, zero
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### 5. FPS Utils (`fps/__tests__/fps-extended.test.ts`) — 16 tests
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- `frameRateToFloat`: standard (24/30/60), NTSC (24000/1001, 30000/1001, 60000/1001)
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- `frameRatesEqual`: identical, different, same float different fractions
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- `floatToFrameRate`: standard rates, NTSC mapping, integer arbitrary, GCD reduction, 0/negative/large
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### 6. Rendering Utils (`rendering/__tests__/rendering.test.ts`) — 15 tests
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- `buildTransformFromParams`: full params, empty (defaults), partial, non-number fallback, negative, zero
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- `readOpacityFromParams`: present, missing (default 1), non-number
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- `readBlendModeFromParams`: valid mode, missing (normal), invalid, non-string, all 17 modes
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### 7. Params System (`params/__tests__/params.test.ts`) — 32 tests
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- `coerceParamValue`: number (range, clamp, snap, NaN, non-number, integer step, unbounded), boolean, color, text, select (valid/invalid)
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- `getParamValueKind`: number→number, boolean→discrete, color→color, text/select→discrete
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- `getParamDefaultInterpolation`: number→linear, boolean/text→hold, color→linear
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- `getParamNumericRange`: number→range object, non-number→undefined, no-max handling
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## Issues Encountered & Fixed
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1. **Bash heredoc mangled backticks** — Template literals with backticks in heredoc were interpreted as command substitution. Fixed by writing files with Python instead.
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2. **JavaScript `-0` vs `0`** — `Math.round(-0.4)` returns `-0`. `toBe()` uses `Object.is()` so `-0 !== 0`. Fixed with `toBeCloseTo(0)`.
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3. **ASS effect field comma** — `splitAssFields` splits on comma, so `fade(200,200,Text)` → effect=`fade(200`, text=`200,Text`. Adjusted expected value in test.
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## What Needs To Be Done Next 🔲
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### High Priority
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- [ ] **Silence/VAD auto-cut** — No silence detection or voice activity detection exists. Could use Silero VAD (ONNX) to detect speech segments and auto-trim dead air. Modules: `transcription/`, new `vad/` module.
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- [ ] **More rendering tests** — `readBlendModeFromParams` covers valid modes but integration with actual rendering pipeline untested.
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- [ ] **Animation tests** — `animation/animated-params.test.ts` exists but coverage is thin. Keyframe interpolation, easing curves need more tests.
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- [ ] **Timeline tests** — Several timeline test files exist (`snap.test.ts`, `tracks.test.ts`, etc.) but edge cases for drag/drop, group operations, and multi-track scenarios could be expanded.
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### Medium Priority
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- [ ] **Export pipeline tests** — `export/__tests__/` exists but WASM compositor integration, format support, and error handling need coverage.
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- [ ] **Media processing tests** — Audio waveform, thumbnail generation, media utils lack unit tests.
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- [ ] **Auth/DB tests** — `auth/` and `db/` modules have no test coverage.
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- [ ] **Effects registry tests** — Effect definitions, registration, and parameter validation untested.
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### Low Priority
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- [ ] **Component tests** — React components in `components/`, `panels/`, `editor/` have no unit tests (would need React Testing Library).
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- [ ] **E2E tests** — No end-to-end test suite exists.
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- [ ] **Performance tests** — No benchmarks for timeline rendering, WASM compositor, or large project handling.
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## Technical Notes
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- **Test runner**: `bun test` (bun@1.3.14+)
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- **Install deps first**: `cd /tmp/OpenCut && bun install`
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- **Run all new tests**: `bun test apps/web/src/subtitles/__tests__/ apps/web/src/utils/__tests__/math-extended.test.ts apps/web/src/fps/__tests__/fps-extended.test.ts apps/web/src/rendering/__tests__/ apps/web/src/params/__tests__/params.test.ts`
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- **Run single file**: `bun test apps/web/src/subtitles/__tests__/srt.test.ts`
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## Files Created
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```
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apps/web/src/subtitles/__tests__/srt.test.ts
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apps/web/src/subtitles/__tests__/ass.test.ts
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apps/web/src/subtitles/__tests__/parse.test.ts
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apps/web/src/utils/__tests__/math-extended.test.ts
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apps/web/src/fps/__tests__/fps-extended.test.ts
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apps/web/src/rendering/__tests__/rendering.test.ts
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apps/web/src/params/__tests__/params.test.ts
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```
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import { describe, expect, test } from "bun:test";
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import {
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frameRateToFloat,
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frameRatesEqual,
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floatToFrameRate,
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} from "../utils";
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describe("frameRateToFloat", () => {
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test("converts standard integer frame rates", () => {
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expect(frameRateToFloat({ numerator: 24, denominator: 1 })).toBe(24);
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expect(frameRateToFloat({ numerator: 30, denominator: 1 })).toBe(30);
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expect(frameRateToFloat({ numerator: 60, denominator: 1 })).toBe(60);
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});
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test("converts fractional frame rates", () => {
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const result = frameRateToFloat({ numerator: 24000, denominator: 1001 });
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expect(result).toBeCloseTo(23.976, 2);
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});
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test("converts NTSC 30fps", () => {
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const result = frameRateToFloat({ numerator: 30000, denominator: 1001 });
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expect(result).toBeCloseTo(29.97, 2);
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});
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test("handles 1 fps", () => {
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expect(frameRateToFloat({ numerator: 1, denominator: 1 })).toBe(1);
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});
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test("handles arbitrary fractions", () => {
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expect(frameRateToFloat({ numerator: 120, denominator: 2 })).toBe(60);
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});
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});
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describe("frameRatesEqual", () => {
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test("returns true for identical rates", () => {
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expect(
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frameRatesEqual({
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a: { numerator: 30, denominator: 1 },
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b: { numerator: 30, denominator: 1 },
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}),
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).toBe(true);
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});
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test("returns false for different rates", () => {
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expect(
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frameRatesEqual({
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a: { numerator: 30, denominator: 1 },
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b: { numerator: 60, denominator: 1 },
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}),
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).toBe(false);
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});
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test("returns false for same float but different fractions", () => {
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expect(
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frameRatesEqual({
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a: { numerator: 30, denominator: 1 },
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b: { numerator: 60, denominator: 2 },
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}),
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).toBe(false);
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});
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test("returns true for equal fractional rates", () => {
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expect(
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frameRatesEqual({
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a: { numerator: 24000, denominator: 1001 },
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b: { numerator: 24000, denominator: 1001 },
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}),
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).toBe(true);
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});
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});
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describe("floatToFrameRate", () => {
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test("maps standard integer fps to standard rates", () => {
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expect(floatToFrameRate(24)).toEqual({ numerator: 24, denominator: 1 });
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expect(floatToFrameRate(30)).toEqual({ numerator: 30, denominator: 1 });
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expect(floatToFrameRate(60)).toEqual({ numerator: 60, denominator: 1 });
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});
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test("maps NTSC-like fps to standard fractional rates", () => {
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const result = floatToFrameRate(23.976);
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expect(result.numerator).toBe(24000);
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expect(result.denominator).toBe(1001);
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});
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test("maps 29.97 to NTSC 30fps", () => {
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const result = floatToFrameRate(29.97);
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expect(result.numerator).toBe(30000);
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expect(result.denominator).toBe(1001);
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});
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test("handles arbitrary integer fps", () => {
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const result = floatToFrameRate(120);
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expect(result).toEqual({ numerator: 120, denominator: 1 });
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});
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test("reduces arbitrary fractional fps with GCD", () => {
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const result = floatToFrameRate(25);
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expect(result).toEqual({ numerator: 25, denominator: 1 });
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});
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test("handles 1 fps", () => {
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expect(floatToFrameRate(1)).toEqual({ numerator: 1, denominator: 1 });
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});
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test("handles fps with many decimal places", () => {
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const result = floatToFrameRate(29.97002997);
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// Should map to a standard rate or produce a reduced fraction
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expect(result.numerator).toBeGreaterThan(0);
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expect(result.denominator).toBeGreaterThan(0);
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});
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});
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import { describe, expect, test } from "bun:test";
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import {
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coerceParamValue,
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getParamValueKind,
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getParamDefaultInterpolation,
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getParamNumericRange,
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} from "../index";
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import type { ParamDefinition } from "../index";
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describe("coerceParamValue", () => {
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describe("number params", () => {
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const numberParam: ParamDefinition = {
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key: "opacity",
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label: "Opacity",
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type: "number",
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default: 1,
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min: 0,
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max: 1,
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step: 0.01,
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};
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test("returns valid number within range", () => {
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expect(coerceParamValue({ param: numberParam, value: 0.5 })).toBe(0.5);
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});
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test("clamps to min", () => {
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expect(coerceParamValue({ param: numberParam, value: -1 })).toBe(0);
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});
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test("clamps to max", () => {
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expect(coerceParamValue({ param: numberParam, value: 2 })).toBe(1);
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});
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test("snaps to step", () => {
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expect(coerceParamValue({ param: numberParam, value: 0.123 })).toBe(0.12);
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});
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test("returns null for NaN", () => {
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expect(coerceParamValue({ param: numberParam, value: Number.NaN })).toBeNull();
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});
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test("returns null for non-number", () => {
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expect(coerceParamValue({ param: numberParam, value: "0.5" })).toBeNull();
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expect(coerceParamValue({ param: numberParam, value: true })).toBeNull();
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expect(coerceParamValue({ param: numberParam, value: null })).toBeNull();
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expect(coerceParamValue({ param: numberParam, value: undefined })).toBeNull();
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});
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test("handles integer step", () => {
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const intParam: ParamDefinition = {
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key: "count",
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label: "Count",
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type: "number",
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default: 0,
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min: 0,
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max: 100,
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step: 1,
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};
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expect(coerceParamValue({ param: intParam, value: 3.7 })).toBe(4);
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expect(coerceParamValue({ param: intParam, value: 3.2 })).toBe(3);
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});
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test("handles param without max (unbounded above)", () => {
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const unboundedParam: ParamDefinition = {
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key: "val",
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label: "Val",
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type: "number",
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default: 0,
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min: 0,
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step: 1,
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};
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expect(coerceParamValue({ param: unboundedParam, value: 9999 })).toBe(9999);
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});
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});
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describe("boolean params", () => {
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const boolParam: ParamDefinition = {
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key: "visible",
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label: "Visible",
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type: "boolean",
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default: true,
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};
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test("returns true for true", () => {
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expect(coerceParamValue({ param: boolParam, value: true })).toBe(true);
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});
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test("returns false for false", () => {
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expect(coerceParamValue({ param: boolParam, value: false })).toBe(false);
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});
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test("returns null for non-boolean", () => {
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expect(coerceParamValue({ param: boolParam, value: 1 })).toBeNull();
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expect(coerceParamValue({ param: boolParam, value: "true" })).toBeNull();
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expect(coerceParamValue({ param: boolParam, value: 0 })).toBeNull();
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expect(coerceParamValue({ param: boolParam, value: null })).toBeNull();
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});
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});
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describe("color params", () => {
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const colorParam: ParamDefinition = {
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key: "color",
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label: "Color",
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type: "color",
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default: "#ffffff",
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};
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test("returns string value", () => {
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expect(coerceParamValue({ param: colorParam, value: "#ff0000" })).toBe("#ff0000");
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});
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test("returns empty string (valid string)", () => {
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expect(coerceParamValue({ param: colorParam, value: "" })).toBe("");
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});
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test("returns null for non-string", () => {
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expect(coerceParamValue({ param: colorParam, value: 0xff0000 })).toBeNull();
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expect(coerceParamValue({ param: colorParam, value: true })).toBeNull();
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});
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});
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describe("text params", () => {
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const textParam: ParamDefinition = {
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key: "text",
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label: "Text",
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type: "text",
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default: "",
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};
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test("returns string value", () => {
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expect(coerceParamValue({ param: textParam, value: "hello" })).toBe("hello");
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});
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test("returns null for non-string", () => {
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expect(coerceParamValue({ param: textParam, value: 123 })).toBeNull();
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});
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});
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describe("select params", () => {
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const selectParam: ParamDefinition = {
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key: "align",
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label: "Alignment",
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type: "select",
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default: "left",
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options: [
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{ value: "left", label: "Left" },
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{ value: "center", label: "Center" },
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{ value: "right", label: "Right" },
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],
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};
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test("returns value if it matches an option", () => {
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expect(coerceParamValue({ param: selectParam, value: "center" })).toBe("center");
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});
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test("returns null if value is not in options", () => {
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expect(coerceParamValue({ param: selectParam, value: "justify" })).toBeNull();
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});
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test("returns null for non-string", () => {
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expect(coerceParamValue({ param: selectParam, value: 0 })).toBeNull();
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});
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});
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});
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describe("getParamValueKind", () => {
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test("returns 'number' for number params", () => {
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const param: ParamDefinition = {
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key: "x",
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label: "X",
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type: "number",
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default: 0,
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min: 0,
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max: 100,
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step: 1,
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};
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expect(getParamValueKind({ param })).toBe("number");
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});
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test("returns 'discrete' for boolean params", () => {
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const param: ParamDefinition = {
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key: "vis",
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label: "Visible",
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type: "boolean",
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default: true,
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};
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expect(getParamValueKind({ param })).toBe("discrete");
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});
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test("returns 'color' for color params", () => {
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const param: ParamDefinition = {
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key: "color",
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label: "Color",
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type: "color",
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default: "#fff",
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};
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expect(getParamValueKind({ param })).toBe("color");
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});
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test("returns 'discrete' for text params", () => {
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const param: ParamDefinition = {
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key: "text",
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label: "Text",
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type: "text",
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default: "",
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};
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expect(getParamValueKind({ param })).toBe("discrete");
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});
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test("returns 'discrete' for select params", () => {
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const param: ParamDefinition = {
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key: "align",
|
||||
label: "Alignment",
|
||||
type: "select",
|
||||
default: "left",
|
||||
options: [{ value: "left", label: "Left" }],
|
||||
};
|
||||
expect(getParamValueKind({ param })).toBe("discrete");
|
||||
});
|
||||
});
|
||||
|
||||
describe("getParamDefaultInterpolation", () => {
|
||||
test("returns 'linear' for number params", () => {
|
||||
const param: ParamDefinition = {
|
||||
key: "x",
|
||||
label: "X",
|
||||
type: "number",
|
||||
default: 0,
|
||||
min: 0,
|
||||
max: 100,
|
||||
step: 1,
|
||||
};
|
||||
expect(getParamDefaultInterpolation({ param })).toBe("linear");
|
||||
});
|
||||
|
||||
test("returns 'hold' for boolean params", () => {
|
||||
const param: ParamDefinition = {
|
||||
key: "vis",
|
||||
label: "Visible",
|
||||
type: "boolean",
|
||||
default: true,
|
||||
};
|
||||
expect(getParamDefaultInterpolation({ param })).toBe("hold");
|
||||
});
|
||||
|
||||
test("returns 'hold' for text params", () => {
|
||||
const param: ParamDefinition = {
|
||||
key: "text",
|
||||
label: "Text",
|
||||
type: "text",
|
||||
default: "",
|
||||
};
|
||||
expect(getParamDefaultInterpolation({ param })).toBe("hold");
|
||||
});
|
||||
|
||||
test("returns 'linear' for color params (first component)", () => {
|
||||
const param: ParamDefinition = {
|
||||
key: "color",
|
||||
label: "Color",
|
||||
type: "color",
|
||||
default: "#fff",
|
||||
};
|
||||
expect(getParamDefaultInterpolation({ param })).toBe("linear");
|
||||
});
|
||||
});
|
||||
|
||||
describe("getParamNumericRange", () => {
|
||||
test("returns range for number params", () => {
|
||||
const param: ParamDefinition = {
|
||||
key: "opacity",
|
||||
label: "Opacity",
|
||||
type: "number",
|
||||
default: 1,
|
||||
min: 0,
|
||||
max: 1,
|
||||
step: 0.01,
|
||||
};
|
||||
expect(getParamNumericRange({ param })).toEqual({ min: 0, max: 1, step: 0.01 });
|
||||
});
|
||||
|
||||
test("returns undefined for non-number params", () => {
|
||||
const boolParam: ParamDefinition = {
|
||||
key: "vis",
|
||||
label: "Visible",
|
||||
type: "boolean",
|
||||
default: true,
|
||||
};
|
||||
expect(getParamNumericRange({ param: boolParam })).toBeUndefined();
|
||||
});
|
||||
|
||||
test("returns undefined for color params", () => {
|
||||
const colorParam: ParamDefinition = {
|
||||
key: "color",
|
||||
label: "Color",
|
||||
type: "color",
|
||||
default: "#fff",
|
||||
};
|
||||
expect(getParamNumericRange({ param: colorParam })).toBeUndefined();
|
||||
});
|
||||
|
||||
test("handles number param without max", () => {
|
||||
const param: ParamDefinition = {
|
||||
key: "val",
|
||||
label: "Val",
|
||||
type: "number",
|
||||
default: 0,
|
||||
min: 0,
|
||||
step: 1,
|
||||
};
|
||||
expect(getParamNumericRange({ param })).toEqual({ min: 0, max: undefined, step: 1 });
|
||||
});
|
||||
});
|
||||
|
|
@ -0,0 +1,154 @@
|
|||
import { describe, expect, test } from "bun:test";
|
||||
import {
|
||||
buildTransformFromParams,
|
||||
readOpacityFromParams,
|
||||
readBlendModeFromParams,
|
||||
} from "..";
|
||||
import type { ParamValues } from "@/params";
|
||||
|
||||
describe("buildTransformFromParams", () => {
|
||||
test("returns default transform for empty params", () => {
|
||||
const result = buildTransformFromParams({ params: {} });
|
||||
expect(result).toEqual({
|
||||
scaleX: 1,
|
||||
scaleY: 1,
|
||||
position: { x: 0, y: 0 },
|
||||
rotate: 0,
|
||||
});
|
||||
});
|
||||
|
||||
test("reads all transform values from params", () => {
|
||||
const params: ParamValues = {
|
||||
"transform.scaleX": 2,
|
||||
"transform.scaleY": 0.5,
|
||||
"transform.positionX": 100,
|
||||
"transform.positionY": -50,
|
||||
"transform.rotate": 45,
|
||||
};
|
||||
const result = buildTransformFromParams({ params });
|
||||
expect(result).toEqual({
|
||||
scaleX: 2,
|
||||
scaleY: 0.5,
|
||||
position: { x: 100, y: -50 },
|
||||
rotate: 45,
|
||||
});
|
||||
});
|
||||
|
||||
test("uses defaults for missing transform keys", () => {
|
||||
const params: ParamValues = {
|
||||
"transform.scaleX": 3,
|
||||
};
|
||||
const result = buildTransformFromParams({ params });
|
||||
expect(result.scaleX).toBe(3);
|
||||
expect(result.scaleY).toBe(1);
|
||||
expect(result.position.x).toBe(0);
|
||||
expect(result.position.y).toBe(0);
|
||||
expect(result.rotate).toBe(0);
|
||||
});
|
||||
|
||||
test("ignores non-number values and uses defaults", () => {
|
||||
const params: ParamValues = {
|
||||
"transform.scaleX": "invalid" as unknown as number,
|
||||
"transform.rotate": true as unknown as number,
|
||||
};
|
||||
const result = buildTransformFromParams({ params });
|
||||
expect(result.scaleX).toBe(1);
|
||||
expect(result.rotate).toBe(0);
|
||||
});
|
||||
|
||||
test("handles zero values", () => {
|
||||
const params: ParamValues = {
|
||||
"transform.scaleX": 0,
|
||||
"transform.scaleY": 0,
|
||||
"transform.positionX": 0,
|
||||
"transform.positionY": 0,
|
||||
"transform.rotate": 0,
|
||||
};
|
||||
const result = buildTransformFromParams({ params });
|
||||
expect(result).toEqual({
|
||||
scaleX: 0,
|
||||
scaleY: 0,
|
||||
position: { x: 0, y: 0 },
|
||||
rotate: 0,
|
||||
});
|
||||
});
|
||||
|
||||
test("handles negative values", () => {
|
||||
const params: ParamValues = {
|
||||
"transform.scaleX": -1,
|
||||
"transform.positionX": -200,
|
||||
"transform.rotate": -90,
|
||||
};
|
||||
const result = buildTransformFromParams({ params });
|
||||
expect(result.scaleX).toBe(-1);
|
||||
expect(result.position.x).toBe(-200);
|
||||
expect(result.rotate).toBe(-90);
|
||||
});
|
||||
});
|
||||
|
||||
describe("readOpacityFromParams", () => {
|
||||
test("returns 1 for empty params", () => {
|
||||
expect(readOpacityFromParams({ params: {} })).toBe(1);
|
||||
});
|
||||
|
||||
test("reads opacity from params", () => {
|
||||
expect(
|
||||
readOpacityFromParams({ params: { opacity: 0.5 } }),
|
||||
).toBe(0.5);
|
||||
});
|
||||
|
||||
test("returns default for non-number opacity", () => {
|
||||
expect(
|
||||
readOpacityFromParams({ params: { opacity: "half" as unknown as number } }),
|
||||
).toBe(1);
|
||||
});
|
||||
|
||||
test("handles zero opacity", () => {
|
||||
expect(
|
||||
readOpacityFromParams({ params: { opacity: 0 } }),
|
||||
).toBe(0);
|
||||
});
|
||||
});
|
||||
|
||||
describe("readBlendModeFromParams", () => {
|
||||
test("returns 'normal' for empty params", () => {
|
||||
expect(readBlendModeFromParams({ params: {} })).toBe("normal");
|
||||
});
|
||||
|
||||
test("returns 'normal' for non-string blend mode", () => {
|
||||
expect(
|
||||
readBlendModeFromParams({ params: { blendMode: 123 as unknown as string } }),
|
||||
).toBe("normal");
|
||||
});
|
||||
|
||||
test("reads valid blend modes", () => {
|
||||
expect(
|
||||
readBlendModeFromParams({ params: { blendMode: "multiply" } }),
|
||||
).toBe("multiply");
|
||||
expect(
|
||||
readBlendModeFromParams({ params: { blendMode: "screen" } }),
|
||||
).toBe("screen");
|
||||
expect(
|
||||
readBlendModeFromParams({ params: { blendMode: "overlay" } }),
|
||||
).toBe("overlay");
|
||||
});
|
||||
|
||||
test("returns 'normal' for invalid blend mode string", () => {
|
||||
expect(
|
||||
readBlendModeFromParams({ params: { blendMode: "invalid-mode" } }),
|
||||
).toBe("normal");
|
||||
});
|
||||
|
||||
test("reads all valid blend modes", () => {
|
||||
const validModes = [
|
||||
"normal", "darken", "multiply", "color-burn", "lighten", "screen",
|
||||
"plus-lighter", "color-dodge", "overlay", "soft-light", "hard-light",
|
||||
"difference", "exclusion", "hue", "saturation", "color", "luminosity",
|
||||
];
|
||||
for (const mode of validModes) {
|
||||
expect(
|
||||
readBlendModeFromParams({ params: { blendMode: mode } }),
|
||||
).toBe(mode);
|
||||
}
|
||||
});
|
||||
});
|
||||
|
|
@ -0,0 +1,272 @@
|
|||
import { describe, expect, test } from "bun:test";
|
||||
import { parseAss } from "../ass";
|
||||
|
||||
describe("parseAss", () => {
|
||||
const MINIMAL_ASS = `[Script Info]
|
||||
Title: Test
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,,Hello World`;
|
||||
|
||||
describe("basic parsing", () => {
|
||||
test("parses a minimal ASS file with one dialogue", () => {
|
||||
const result = parseAss({ input: MINIMAL_ASS });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("Hello World");
|
||||
expect(result.captions[0].startTime).toBe(1);
|
||||
expect(result.captions[0].duration).toBe(2);
|
||||
expect(result.skippedCueCount).toBe(0);
|
||||
});
|
||||
|
||||
test("parses multiple dialogue lines", () => {
|
||||
const input = `${MINIMAL_ASS}
|
||||
Dialogue: 0,0:00:05.00,0:00:07.00,Default,,0,0,0,,Second line`;
|
||||
const result = parseAss({ input });
|
||||
expect(result.captions).toHaveLength(2);
|
||||
expect(result.captions[1].text).toBe("Second line");
|
||||
expect(result.captions[1].startTime).toBe(5);
|
||||
expect(result.captions[1].duration).toBe(2);
|
||||
});
|
||||
});
|
||||
|
||||
describe("play resolution", () => {
|
||||
test("uses default resolution 384x288 when not specified", () => {
|
||||
const input = `[Script Info]
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,,Test`;
|
||||
const result = parseAss({ input });
|
||||
expect(result.captions[0].style?.fontSizeRatioOfPlayHeight).toBeCloseTo(20 / 288, 3);
|
||||
});
|
||||
|
||||
test("uses custom play resolution from Script Info", () => {
|
||||
const input = `[Script Info]
|
||||
Title: Test
|
||||
PlayResX: 1920
|
||||
PlayResY: 1080
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,48,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,2,100,100,50,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,,Custom res`;
|
||||
const result = parseAss({ input });
|
||||
expect(result.captions[0].style?.fontSizeRatioOfPlayHeight).toBeCloseTo(48 / 1080, 3);
|
||||
});
|
||||
});
|
||||
|
||||
describe("style parsing", () => {
|
||||
test("parses v4+ style properties", () => {
|
||||
const input = `[Script Info]
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Helvetica,36,&H0000FFFF,&H000000FF,&H00000000,&H00000000,-1,-1,0,0,100,100,2,0,1,2,0,5,20,20,15,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,,Styled text`;
|
||||
const result = parseAss({ input });
|
||||
const style = result.captions[0].style;
|
||||
expect(style).toBeDefined();
|
||||
expect(style?.fontFamily).toBe("Helvetica");
|
||||
expect(style?.fontWeight).toBe("bold");
|
||||
expect(style?.fontStyle).toBe("italic");
|
||||
expect(style?.letterSpacing).toBe(2);
|
||||
expect(style?.textAlign).toBe("center");
|
||||
expect(style?.placement?.verticalAlign).toBe("middle");
|
||||
});
|
||||
|
||||
test("falls back to default style for missing style name", () => {
|
||||
const input = `[Script Info]
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,NonExistent,,0,0,0,,Fallback test`;
|
||||
const result = parseAss({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].style).toBeDefined();
|
||||
expect(result.warnings.some((w) => w.includes("missing ASS styles"))).toBe(true);
|
||||
});
|
||||
});
|
||||
|
||||
describe("event format fields", () => {
|
||||
test("handles extra comma in text field (last field captures remainder)", () => {
|
||||
const input = `[Script Info]
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,,Hello, world`;
|
||||
const result = parseAss({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("Hello, world");
|
||||
});
|
||||
});
|
||||
|
||||
describe("override tag stripping", () => {
|
||||
test("strips inline override tags from dialogue text", () => {
|
||||
const input = `[Script Info]
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,,{\b1}Bold text{\b0}`;
|
||||
const result = parseAss({ input });
|
||||
expect(result.captions[0].text).toBe("Bold text");
|
||||
expect(result.warnings.some((w) => w.includes("inline override tags"))).toBe(true);
|
||||
});
|
||||
|
||||
test("converts \\\\N to newline", () => {
|
||||
const input = `[Script Info]
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,,Line one\\NLine two`;
|
||||
const result = parseAss({ input });
|
||||
expect(result.captions[0].text).toBe("Line one\nLine two");
|
||||
});
|
||||
|
||||
test("converts \\\\h to non-breaking space", () => {
|
||||
const input = `[Script Info]
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,,Hello\\hWorld`;
|
||||
const result = parseAss({ input });
|
||||
expect(result.captions[0].text).toBe("Hello World");
|
||||
});
|
||||
});
|
||||
|
||||
describe("empty input", () => {
|
||||
test("returns empty captions for empty string", () => {
|
||||
const result = parseAss({ input: "" });
|
||||
expect(result.captions).toEqual([]);
|
||||
expect(result.skippedCueCount).toBe(0);
|
||||
expect(result.warnings).toEqual([]);
|
||||
});
|
||||
|
||||
test("returns empty captions for whitespace-only input", () => {
|
||||
const result = parseAss({ input: " \n\n " });
|
||||
expect(result.captions).toEqual([]);
|
||||
});
|
||||
});
|
||||
|
||||
describe("alignment mapping", () => {
|
||||
test("maps ASS alignment 2 to center/bottom", () => {
|
||||
const result = parseAss({ input: MINIMAL_ASS });
|
||||
expect(result.captions[0].style?.textAlign).toBe("center");
|
||||
expect(result.captions[0].style?.placement?.verticalAlign).toBe("bottom");
|
||||
});
|
||||
|
||||
test("maps ASS alignment 5 to center/middle", () => {
|
||||
const input = `[Script Info]
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,5,10,10,10,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,,Align 5`;
|
||||
const result = parseAss({ input });
|
||||
expect(result.captions[0].style?.textAlign).toBe("center");
|
||||
expect(result.captions[0].style?.placement?.verticalAlign).toBe("middle");
|
||||
});
|
||||
|
||||
test("maps ASS alignment 9 to right/top", () => {
|
||||
const input = `[Script Info]
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,9,10,10,10,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,,Align 9`;
|
||||
const result = parseAss({ input });
|
||||
expect(result.captions[0].style?.textAlign).toBe("right");
|
||||
expect(result.captions[0].style?.placement?.verticalAlign).toBe("top");
|
||||
});
|
||||
});
|
||||
|
||||
describe("non-dialogue events", () => {
|
||||
test("ignores non-dialogue events (Comment, etc.)", () => {
|
||||
const input = `[Script Info]
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Comment: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,,This is a comment
|
||||
Dialogue: 0,0:00:05.00,0:00:07.00,Default,,0,0,0,,Real dialogue`;
|
||||
const result = parseAss({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("Real dialogue");
|
||||
expect(result.warnings.some((w) => w.includes("non-dialogue"))).toBe(true);
|
||||
});
|
||||
});
|
||||
|
||||
describe("effects", () => {
|
||||
test("ignores event effects field", () => {
|
||||
const input = `[Script Info]
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,fade(200,200,Effect text`;
|
||||
const result = parseAss({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("200,Effect text");
|
||||
expect(result.warnings.some((w) => w.includes("effects"))).toBe(true);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
|
@ -0,0 +1,71 @@
|
|||
import { describe, expect, test } from "bun:test";
|
||||
import { parseSubtitleFile } from "../parse";
|
||||
|
||||
describe("parseSubtitleFile", () => {
|
||||
const SRT_INPUT = `1
|
||||
00:00:01,000 --> 00:00:02,000
|
||||
Hello`;
|
||||
|
||||
const ASS_INPUT = `[Script Info]
|
||||
ScriptType: v4.00+
|
||||
|
||||
[V4+ Styles]
|
||||
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
|
||||
Style: Default,Arial,20,&H00FFFFFF,&H000000FF,&H00000000,&H00000000,0,0,0,0,100,100,0,0,1,1,0,2,10,10,10,1
|
||||
|
||||
[Events]
|
||||
Format: Layer, Start, End, Style, Name, MarginL, MarginR, MarginV, Effect, Text
|
||||
Dialogue: 0,0:00:01.00,0:00:03.00,Default,,0,0,0,,Hello`;
|
||||
|
||||
test("dispatches .srt files to parseSrt", () => {
|
||||
const result = parseSubtitleFile({ fileName: "test.srt", input: SRT_INPUT });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("Hello");
|
||||
});
|
||||
|
||||
test("dispatches .ass files to parseAss", () => {
|
||||
const result = parseSubtitleFile({ fileName: "test.ass", input: ASS_INPUT });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("Hello");
|
||||
});
|
||||
|
||||
test("throws for unsupported extension .txt", () => {
|
||||
expect(() => parseSubtitleFile({ fileName: "test.txt", input: "some text" })).toThrow(
|
||||
"Unsupported subtitle format",
|
||||
);
|
||||
});
|
||||
|
||||
test("throws for unsupported extension .vtt", () => {
|
||||
expect(() => parseSubtitleFile({ fileName: "test.vtt", input: "WEBVTT" })).toThrow(
|
||||
"Unsupported subtitle format",
|
||||
);
|
||||
});
|
||||
|
||||
test("throws for unsupported extension .sub", () => {
|
||||
expect(() => parseSubtitleFile({ fileName: "test.sub", input: "" })).toThrow(
|
||||
"Unsupported subtitle format",
|
||||
);
|
||||
});
|
||||
|
||||
test("matches extensions case-insensitively", () => {
|
||||
const result1 = parseSubtitleFile({ fileName: "test.SRT", input: SRT_INPUT });
|
||||
expect(result1.captions).toHaveLength(1);
|
||||
|
||||
const result2 = parseSubtitleFile({ fileName: "test.ASS", input: ASS_INPUT });
|
||||
expect(result2.captions).toHaveLength(1);
|
||||
|
||||
const result3 = parseSubtitleFile({ fileName: "test.Srt", input: SRT_INPUT });
|
||||
expect(result3.captions).toHaveLength(1);
|
||||
});
|
||||
|
||||
test("handles filenames with multiple dots", () => {
|
||||
const result = parseSubtitleFile({ fileName: "my.project.v2.srt", input: SRT_INPUT });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
});
|
||||
|
||||
test("throws for file with no extension", () => {
|
||||
expect(() => parseSubtitleFile({ fileName: "noextension", input: SRT_INPUT })).toThrow(
|
||||
"Unsupported subtitle format",
|
||||
);
|
||||
});
|
||||
});
|
||||
|
|
@ -0,0 +1,255 @@
|
|||
import { describe, expect, test } from "bun:test";
|
||||
import { parseSrt } from "../srt";
|
||||
|
||||
describe("parseSrt", () => {
|
||||
describe("basic parsing", () => {
|
||||
test("parses multiple cues with standard format", () => {
|
||||
const input = `1
|
||||
00:00:01,000 --> 00:00:02,000
|
||||
Hello
|
||||
|
||||
2
|
||||
00:00:03,000 --> 00:00:05,000
|
||||
World`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(2);
|
||||
expect(result.captions[0]).toEqual({
|
||||
text: "Hello",
|
||||
startTime: 1,
|
||||
duration: 1,
|
||||
});
|
||||
expect(result.captions[1]).toEqual({
|
||||
text: "World",
|
||||
startTime: 3,
|
||||
duration: 2,
|
||||
});
|
||||
expect(result.skippedCueCount).toBe(0);
|
||||
expect(result.warnings).toEqual([]);
|
||||
});
|
||||
});
|
||||
|
||||
describe("timestamp formats", () => {
|
||||
test("parses HH:MM:SS,mmm timestamps (comma separator)", () => {
|
||||
const input = `1
|
||||
00:01:30,500 --> 00:01:31,750
|
||||
Test`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].startTime).toBe(90.5);
|
||||
expect(result.captions[0].duration).toBeCloseTo(1.25);
|
||||
});
|
||||
|
||||
test("parses HH:MM:SS.mmm timestamps (dot separator)", () => {
|
||||
const input = `1
|
||||
00:01:30.500 --> 00:01:31.750
|
||||
Test`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].startTime).toBe(90.5);
|
||||
expect(result.captions[0].duration).toBeCloseTo(1.25);
|
||||
});
|
||||
|
||||
test("handles mixed comma and dot separators", () => {
|
||||
const input = `1
|
||||
00:00:01,000 --> 00:00:02.500
|
||||
Mixed`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].startTime).toBe(1);
|
||||
expect(result.captions[0].duration).toBeCloseTo(1.5);
|
||||
});
|
||||
|
||||
test("handles 1-digit millisecond values", () => {
|
||||
const input = `1
|
||||
00:00:01,5 --> 00:00:02,0
|
||||
Short ms`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].startTime).toBe(1.5);
|
||||
expect(result.captions[0].duration).toBeCloseTo(0.5);
|
||||
});
|
||||
|
||||
test("handles 2-digit millisecond values", () => {
|
||||
const input = `1
|
||||
00:00:01,50 --> 00:00:02,00
|
||||
Two digit ms`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].startTime).toBe(1.5);
|
||||
});
|
||||
});
|
||||
|
||||
describe("multi-line text", () => {
|
||||
test("parses multi-line cue text", () => {
|
||||
const input = `1
|
||||
00:00:01,000 --> 00:00:05,000
|
||||
Line one
|
||||
Line two
|
||||
Line three`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("Line one\nLine two\nLine three");
|
||||
});
|
||||
});
|
||||
|
||||
describe("sequence numbers", () => {
|
||||
test("parses cues with sequence numbers", () => {
|
||||
const input = `1
|
||||
00:00:01,000 --> 00:00:02,000
|
||||
First
|
||||
|
||||
42
|
||||
00:00:03,000 --> 00:00:04,000
|
||||
Second`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(2);
|
||||
});
|
||||
|
||||
test("parses cues without sequence numbers (timestamp on first line)", () => {
|
||||
const input = `00:00:01,000 --> 00:00:02,000
|
||||
No sequence number`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("No sequence number");
|
||||
});
|
||||
});
|
||||
|
||||
describe("empty input", () => {
|
||||
test("returns empty captions for empty string", () => {
|
||||
const result = parseSrt({ input: "" });
|
||||
expect(result.captions).toEqual([]);
|
||||
expect(result.skippedCueCount).toBe(0);
|
||||
expect(result.warnings).toEqual([]);
|
||||
});
|
||||
|
||||
test("returns empty captions for whitespace-only input", () => {
|
||||
const result = parseSrt({ input: " \n\n " });
|
||||
expect(result.captions).toEqual([]);
|
||||
expect(result.skippedCueCount).toBe(0);
|
||||
});
|
||||
});
|
||||
|
||||
describe("malformed blocks", () => {
|
||||
test("skips block with missing timestamp line", () => {
|
||||
const input = `1
|
||||
No timestamp here
|
||||
|
||||
2
|
||||
00:00:01,000 --> 00:00:02,000
|
||||
Valid`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("Valid");
|
||||
expect(result.skippedCueCount).toBeGreaterThanOrEqual(1);
|
||||
});
|
||||
|
||||
test("skips block with bad timestamp format", () => {
|
||||
const input = `1
|
||||
00:00:01 --> 00:00:02
|
||||
Missing milliseconds`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(0);
|
||||
expect(result.skippedCueCount).toBeGreaterThanOrEqual(1);
|
||||
});
|
||||
|
||||
test("skips block with only one line", () => {
|
||||
const input = `1
|
||||
00:00:01,000 --> 00:00:02,000
|
||||
Valid
|
||||
|
||||
Orphan line`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("Valid");
|
||||
});
|
||||
|
||||
test("skips block with empty text after timestamp", () => {
|
||||
const input = `1
|
||||
00:00:01,000 --> 00:00:02,000
|
||||
|
||||
2
|
||||
00:00:03,000 --> 00:00:04,000
|
||||
Has text`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("Has text");
|
||||
expect(result.skippedCueCount).toBeGreaterThanOrEqual(1);
|
||||
});
|
||||
});
|
||||
|
||||
describe("non-positive duration", () => {
|
||||
test("skips cue where end equals start (zero duration)", () => {
|
||||
const input = `1
|
||||
00:00:01,000 --> 00:00:01,000
|
||||
Zero duration
|
||||
|
||||
2
|
||||
00:00:05,000 --> 00:00:06,000
|
||||
Valid`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("Valid");
|
||||
expect(result.skippedCueCount).toBeGreaterThanOrEqual(1);
|
||||
});
|
||||
|
||||
test("skips cue where end is before start (negative duration)", () => {
|
||||
const input = `1
|
||||
00:00:05,000 --> 00:00:03,000
|
||||
Negative duration`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(0);
|
||||
expect(result.skippedCueCount).toBeGreaterThanOrEqual(1);
|
||||
});
|
||||
});
|
||||
|
||||
describe("line ending normalization", () => {
|
||||
test("handles \\r\\n line endings", () => {
|
||||
const input = "1\r\n00:00:01,000 --> 00:00:02,000\r\nHello\r\n\r\n2\r\n00:00:03,000 --> 00:00:04,000\r\nWorld";
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(2);
|
||||
expect(result.captions[0].text).toBe("Hello");
|
||||
expect(result.captions[1].text).toBe("World");
|
||||
});
|
||||
|
||||
test("handles \\r line endings (classic Mac)", () => {
|
||||
const input = "1\r00:00:01,000 --> 00:00:02,000\rHello\r\r2\r00:00:03,000 --> 00:00:04,000\rWorld";
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(2);
|
||||
expect(result.captions[0].text).toBe("Hello");
|
||||
expect(result.captions[1].text).toBe("World");
|
||||
});
|
||||
});
|
||||
|
||||
describe("whitespace handling", () => {
|
||||
test("trims leading/trailing whitespace from cue text", () => {
|
||||
const input = `1
|
||||
00:00:01,000 --> 00:00:02,000
|
||||
Padded text `;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].text).toBe("Padded text");
|
||||
});
|
||||
|
||||
test("handles extra blank lines between cues", () => {
|
||||
const input = `1
|
||||
00:00:01,000 --> 00:00:02,000
|
||||
First
|
||||
|
||||
|
||||
2
|
||||
00:00:03,000 --> 00:00:04,000
|
||||
Second`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(2);
|
||||
});
|
||||
|
||||
test("handles whitespace in timestamp arrows", () => {
|
||||
const input = `1
|
||||
00:00:01,000 --> 00:00:02,000
|
||||
Spaced arrow`;
|
||||
const result = parseSrt({ input });
|
||||
expect(result.captions).toHaveLength(1);
|
||||
expect(result.captions[0].startTime).toBe(1);
|
||||
});
|
||||
});
|
||||
});
|
||||
|
|
@ -0,0 +1,211 @@
|
|||
import { describe, expect, test } from "bun:test";
|
||||
import {
|
||||
clamp,
|
||||
clampRound,
|
||||
getFractionDigitsForStep,
|
||||
snapToStep,
|
||||
isNearlyEqual,
|
||||
formatNumberForDisplay,
|
||||
} from "../math";
|
||||
|
||||
describe("clamp", () => {
|
||||
test("returns value when within range", () => {
|
||||
expect(clamp({ value: 5, min: 0, max: 10 })).toBe(5);
|
||||
});
|
||||
|
||||
test("clamps to min when value is below range", () => {
|
||||
expect(clamp({ value: -5, min: 0, max: 10 })).toBe(0);
|
||||
});
|
||||
|
||||
test("clamps to max when value is above range", () => {
|
||||
expect(clamp({ value: 15, min: 0, max: 10 })).toBe(10);
|
||||
});
|
||||
|
||||
test("returns min when value equals min", () => {
|
||||
expect(clamp({ value: 0, min: 0, max: 10 })).toBe(0);
|
||||
});
|
||||
|
||||
test("returns max when value equals max", () => {
|
||||
expect(clamp({ value: 10, min: 0, max: 10 })).toBe(10);
|
||||
});
|
||||
|
||||
test("works with negative ranges", () => {
|
||||
expect(clamp({ value: 0, min: -10, max: -1 })).toBe(-1);
|
||||
expect(clamp({ value: -15, min: -10, max: -1 })).toBe(-10);
|
||||
});
|
||||
|
||||
test("handles min > max (returns min)", () => {
|
||||
expect(clamp({ value: 5, min: 10, max: 0 })).toBe(10);
|
||||
});
|
||||
});
|
||||
|
||||
describe("clampRound", () => {
|
||||
test("rounds then clamps value within range", () => {
|
||||
expect(clampRound({ value: 5.6, min: 0, max: 10 })).toBe(6);
|
||||
expect(clampRound({ value: 5.4, min: 0, max: 10 })).toBe(5);
|
||||
});
|
||||
|
||||
test("clamps after rounding", () => {
|
||||
expect(clampRound({ value: 9.7, min: 0, max: 10 })).toBe(10);
|
||||
expect(clampRound({ value: 0.3, min: 0, max: 10 })).toBe(0);
|
||||
});
|
||||
|
||||
test("handles values already at boundaries", () => {
|
||||
expect(clampRound({ value: 0, min: 0, max: 10 })).toBe(0);
|
||||
expect(clampRound({ value: 10, min: 0, max: 10 })).toBe(10);
|
||||
});
|
||||
|
||||
test("rounds negative values correctly", () => {
|
||||
expect(clampRound({ value: -0.4, min: -10, max: 10 })).toBeCloseTo(0);
|
||||
expect(clampRound({ value: -0.6, min: -10, max: 10 })).toBe(-1);
|
||||
});
|
||||
});
|
||||
|
||||
describe("getFractionDigitsForStep", () => {
|
||||
test("returns 0 for integer step", () => {
|
||||
expect(getFractionDigitsForStep({ step: 1 })).toBe(0);
|
||||
expect(getFractionDigitsForStep({ step: 10 })).toBe(0);
|
||||
expect(getFractionDigitsForStep({ step: 100 })).toBe(0);
|
||||
});
|
||||
|
||||
test("returns correct digits for decimal step", () => {
|
||||
expect(getFractionDigitsForStep({ step: 0.1 })).toBe(1);
|
||||
expect(getFractionDigitsForStep({ step: 0.01 })).toBe(2);
|
||||
expect(getFractionDigitsForStep({ step: 0.001 })).toBe(3);
|
||||
expect(getFractionDigitsForStep({ step: 0.5 })).toBe(1);
|
||||
expect(getFractionDigitsForStep({ step: 0.25 })).toBe(2);
|
||||
});
|
||||
|
||||
test("handles scientific notation", () => {
|
||||
expect(getFractionDigitsForStep({ step: 1e-2 })).toBe(2);
|
||||
expect(getFractionDigitsForStep({ step: 1e-3 })).toBe(3);
|
||||
expect(getFractionDigitsForStep({ step: 1e-6 })).toBe(6);
|
||||
});
|
||||
});
|
||||
|
||||
describe("snapToStep", () => {
|
||||
test("snaps value to nearest step", () => {
|
||||
// Math.round(1.3/0.5)*0.5 = Math.round(2.6)*0.5 = 3*0.5 = 1.5
|
||||
expect(snapToStep({ value: 1.3, step: 0.5 })).toBe(1.5);
|
||||
// Math.round(1.2/0.5)*0.5 = Math.round(2.4)*0.5 = 2*0.5 = 1.0
|
||||
expect(snapToStep({ value: 1.2, step: 0.5 })).toBe(1.0);
|
||||
// Math.round(0.12/0.25)*0.25 = Math.round(0.48)*0.25 = 0*0.25 = 0
|
||||
expect(snapToStep({ value: 0.12, step: 0.25 })).toBe(0);
|
||||
// Math.round(7/3)*3 = Math.round(2.333)*3 = 2*3 = 6
|
||||
expect(snapToStep({ value: 7, step: 3 })).toBe(6);
|
||||
// Math.round(8/3)*3 = Math.round(2.667)*3 = 3*3 = 9
|
||||
expect(snapToStep({ value: 8, step: 3 })).toBe(9);
|
||||
});
|
||||
|
||||
test("snaps integer steps correctly", () => {
|
||||
expect(snapToStep({ value: 3.7, step: 1 })).toBe(4);
|
||||
expect(snapToStep({ value: 3.2, step: 1 })).toBe(3);
|
||||
});
|
||||
|
||||
test("returns value unchanged when step is 0", () => {
|
||||
expect(snapToStep({ value: 1.234, step: 0 })).toBe(1.234);
|
||||
expect(snapToStep({ value: -5.5, step: 0 })).toBe(-5.5);
|
||||
});
|
||||
|
||||
test("returns value unchanged when step is negative", () => {
|
||||
expect(snapToStep({ value: 1.234, step: -1 })).toBe(1.234);
|
||||
});
|
||||
|
||||
test("handles value exactly on step boundary", () => {
|
||||
expect(snapToStep({ value: 1.0, step: 0.5 })).toBe(1.0);
|
||||
expect(snapToStep({ value: 3, step: 3 })).toBe(3);
|
||||
});
|
||||
|
||||
test("handles negative values", () => {
|
||||
// Math.round(-0.12/0.25)*0.25 = Math.round(-0.48)*0.25 = 0*0.25 = 0
|
||||
expect(snapToStep({ value: -0.12, step: 0.25 })).toBe(0);
|
||||
// Math.round(-0.37/0.25)*0.25 = Math.round(-1.48)*0.25 = -1*0.25 = -0.25
|
||||
expect(snapToStep({ value: -0.37, step: 0.25 })).toBe(-0.25);
|
||||
// Math.round(-1.3/0.5)*0.5 = Math.round(-2.6)*0.5 = -3*0.5 = -1.5
|
||||
expect(snapToStep({ value: -1.3, step: 0.5 })).toBe(-1.5);
|
||||
});
|
||||
});
|
||||
|
||||
describe("isNearlyEqual", () => {
|
||||
test("returns true for equal values", () => {
|
||||
expect(isNearlyEqual({ leftValue: 1, rightValue: 1 })).toBe(true);
|
||||
});
|
||||
|
||||
test("returns true for values within default epsilon", () => {
|
||||
expect(isNearlyEqual({ leftValue: 1.0, rightValue: 1.00005 })).toBe(true);
|
||||
});
|
||||
|
||||
test("returns false for values outside default epsilon", () => {
|
||||
expect(isNearlyEqual({ leftValue: 1.0, rightValue: 1.1 })).toBe(false);
|
||||
});
|
||||
|
||||
test("respects custom epsilon", () => {
|
||||
expect(isNearlyEqual({ leftValue: 1.0, rightValue: 1.05, epsilon: 0.1 })).toBe(true);
|
||||
expect(isNearlyEqual({ leftValue: 1.0, rightValue: 1.05, epsilon: 0.01 })).toBe(false);
|
||||
});
|
||||
|
||||
test("handles negative values", () => {
|
||||
expect(isNearlyEqual({ leftValue: -1.0, rightValue: -1.0 })).toBe(true);
|
||||
expect(isNearlyEqual({ leftValue: -1.0, rightValue: -1.00005 })).toBe(true);
|
||||
});
|
||||
|
||||
test("handles zero values", () => {
|
||||
expect(isNearlyEqual({ leftValue: 0, rightValue: 0 })).toBe(true);
|
||||
expect(isNearlyEqual({ leftValue: 0, rightValue: 0.00005 })).toBe(true);
|
||||
});
|
||||
});
|
||||
|
||||
describe("formatNumberForDisplay", () => {
|
||||
test("formats integer values", () => {
|
||||
expect(formatNumberForDisplay({ value: 42 })).toBe("42");
|
||||
expect(formatNumberForDisplay({ value: 0 })).toBe("0");
|
||||
});
|
||||
|
||||
test("formats decimal values and strips trailing zeros", () => {
|
||||
expect(formatNumberForDisplay({ value: 1.5 })).toBe("1.5");
|
||||
expect(formatNumberForDisplay({ value: 1.1 })).toBe("1.1");
|
||||
});
|
||||
|
||||
test("strips trailing zeros from fixed decimals", () => {
|
||||
expect(formatNumberForDisplay({ value: 1.1 })).toBe("1.1");
|
||||
expect(formatNumberForDisplay({ value: 1.0 })).toBe("1");
|
||||
});
|
||||
|
||||
test("respects fractionDigits parameter", () => {
|
||||
expect(formatNumberForDisplay({ value: 1.23456, fractionDigits: 2 })).toBe("1.23");
|
||||
// fractionDigits=3, maxFraction=3, minFraction=3, so trailing zeros preserved
|
||||
expect(formatNumberForDisplay({ value: 1.5, fractionDigits: 3 })).toBe("1.500");
|
||||
});
|
||||
|
||||
test("respects minFractionDigits", () => {
|
||||
// minFractionDigits=2 means at least 2 decimal places kept
|
||||
expect(formatNumberForDisplay({ value: 1, minFractionDigits: 2 })).toBe("1.00");
|
||||
expect(formatNumberForDisplay({ value: 1.5, minFractionDigits: 3 })).toBe("1.500");
|
||||
});
|
||||
|
||||
test("respects maxFractionDigits", () => {
|
||||
expect(formatNumberForDisplay({ value: 1.123456789, maxFractionDigits: 3 })).toBe("1.123");
|
||||
});
|
||||
|
||||
test("handles negative numbers", () => {
|
||||
expect(formatNumberForDisplay({ value: -42 })).toBe("-42");
|
||||
expect(formatNumberForDisplay({ value: -1.5 })).toBe("-1.5");
|
||||
});
|
||||
|
||||
test("handles zero with fraction digits", () => {
|
||||
// fractionDigits=2 → maxFrac=2, minFrac=2, so "0.00" not "0"
|
||||
expect(formatNumberForDisplay({ value: 0, fractionDigits: 2 })).toBe("0.00");
|
||||
expect(formatNumberForDisplay({ value: 0, minFractionDigits: 2 })).toBe("0.00");
|
||||
});
|
||||
|
||||
test("fractionDigits overrides min and max", () => {
|
||||
expect(
|
||||
formatNumberForDisplay({
|
||||
value: 1.23456,
|
||||
fractionDigits: 2,
|
||||
minFractionDigits: 4,
|
||||
maxFractionDigits: 6,
|
||||
}),
|
||||
).toBe("1.23");
|
||||
});
|
||||
});
|
||||
Loading…
Reference in New Issue