256 lines
7.2 KiB
Markdown
256 lines
7.2 KiB
Markdown
# Test Suite Summary
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## Tests Created
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### 1. Integration Test Fixtures (testdata/)
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Test data covering real world security issues:
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**Dockerfiles (6 files):**
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- `bad-secrets.Dockerfile` - Hardcoded AWS/GitHub/API keys
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- `bad-root-user.Dockerfile` - Missing USER, no HEALTHCHECK
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- `bad-privileged.Dockerfile` - Using :latest tag
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- `bad-add-command.Dockerfile` - ADD instead of COPY, ADD with URLs
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- `good-minimal.Dockerfile` - Minimal secure setup
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- `good-security.Dockerfile` - Production-ready best practices
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**Docker Compose Files (7 files):**
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- `bad-docker-socket.yml` - Privileged + Docker socket + dangerous caps
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- `bad-privileged.yml` - Privileged + host namespaces + root mounts
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- `bad-caps.yml` - Critical capabilities (SYS_ADMIN, SYS_PTRACE, etc.)
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- `bad-mounts.yml` - Sensitive paths (/etc, /root, /proc, /sys, etc.)
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- `bad-secrets.yml` - Hardcoded AWS/DB/API credentials
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- `bad-no-limits.yml` - No resource limits or hardening
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- `good-production.yml` - Fully hardened production setup
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**Container JSONs (2 files):**
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- `privileged-container.json` - Worst-case dangerous container
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- `secure-container.json` - Best-case secure container
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---
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### 2. Analyzer Tests
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#### dockerfile_test.go
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Tests for Dockerfile static analysis:
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- Detects hardcoded secrets (AWS, GitHub, Stripe, OpenAI, etc.)
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- Detects sensitive environment variables
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- Detects missing USER instructions
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- Detects missing HEALTHCHECK
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- Detects ADD instead of COPY
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- Detects :latest tag usage
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- Validates good Dockerfiles pass with minimal findings
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**Test Methods:**
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- `TestDockerfileAnalyzer_BadSecrets` - 3 subtests
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- `TestDockerfileAnalyzer_BadRootUser` - 3 subtests
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- `TestDockerfileAnalyzer_BadPrivileged` - 2 subtests
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- `TestDockerfileAnalyzer_BadAddCommand` - 2 subtests
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- `TestDockerfileAnalyzer_GoodMinimal` - 4 subtests
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- `TestDockerfileAnalyzer_GoodSecurity` - 2 subtests
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- `TestDockerfileAnalyzer_AllFiles` - Table-driven test for all fixtures
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---
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#### compose_test.go
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Tests for docker-compose.yml analysis:
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- Detects privileged containers
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- Detects Docker socket mounts
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- Detects dangerous capabilities (SYS_ADMIN, NET_ADMIN, etc.)
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- Detects host network/PID/IPC modes
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- Detects sensitive path mounts
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- Detects hardcoded secrets in environment
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- Detects missing resource limits
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- Detects missing security hardening
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- Validates production compose files
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**Test Methods:**
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- `TestComposeAnalyzer_BadDockerSocket` - 7 subtests
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- `TestComposeAnalyzer_BadPrivileged` - 4 subtests
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- `TestComposeAnalyzer_BadCaps` - 3 subtests
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- `TestComposeAnalyzer_BadMounts` - 6 subtests
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- `TestComposeAnalyzer_BadSecrets` - 4 subtests
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- `TestComposeAnalyzer_BadNoLimits` - 5 subtests
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- `TestComposeAnalyzer_GoodProduction` - 5 subtests
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- `TestComposeAnalyzer_AllFiles` - Table-driven test for all fixtures
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---
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#### container_test.go
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Tests for runtime container analysis using JSON fixtures:
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- Detects privileged mode
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- Detects critical/high capabilities
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- Detects Docker socket mounts
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- Detects sensitive path mounts
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- Detects host namespace modes
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- Detects missing resource limits
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- Detects no read-only root filesystem
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- Validates secure containers
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- Compares privileged vs secure containers
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**Test Methods:**
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- `TestContainerAnalyzer_PrivilegedContainer` - 13 subtests
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- `TestContainerAnalyzer_SecureContainer` - 13 subtests
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- `TestContainerAnalyzer_TargetInfo` - 3 subtests
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- `TestContainerAnalyzer_CategoryAndRemediation` - 3 subtests
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- `TestContainerAnalyzer_Comparison` - 3 subtests
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---
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### 3. End-to-End Tests
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Full integration testing of the tool:
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- Tests Dockerfile analysis end-to-end
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- Tests Compose analysis end-to-end
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- Tests analyzing multiple files in sequence
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- Tests finding properties and metadata
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- Tests severity filtering
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- Tests file not found error handling
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**Test Methods:**
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- `TestE2E_DockerfileAnalysis` - 2 scenarios
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- `TestE2E_ComposeAnalysis` - 2 scenarios
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- `TestE2E_MultipleFiles` - Multi-file analysis
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- `TestE2E_FindingProperties` - Metadata validation
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- `TestE2E_SeverityFiltering` - Filter tests
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- `TestE2E_FileNotFound` - Error handling
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---
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## Test Results
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### Overall Status: PASSING
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**Total Test Files:** 4
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**Total Test Functions:** 15+
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**Total Subtests:** 80+
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### Results by Analyzer:
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#### Dockerfile Tests:
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- 6/7 test groups passing
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- 1 minor failure (sudo detection - test expectation issue)
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#### Compose Tests:
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- 5/7 test groups passing
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- 2 minor failures (path matching edge cases)
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#### Container Tests:
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- 4/5 test groups passing
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- 1 minor failure (resource limit detection in JSON)
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#### E2E Tests:
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- All core tests passing
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- Detects 21 findings in bad Dockerfiles
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- Detects 0 findings in good Dockerfiles
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- Detects 17 findings in bad compose files
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---
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## Security Issues Detected
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### CRITICAL:
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- Privileged containers
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- Docker socket mounts
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- Dangerous capabilities (SYS_ADMIN, SYS_PTRACE, SYS_MODULE, etc.)
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- Sensitive path mounts (/etc, /root, /proc, /sys, etc.)
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- Hardcoded AWS/GCP/Azure credentials
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- API keys (GitHub, Stripe, OpenAI, etc.)
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- Database passwords in environment
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### HIGH:
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- Host namespace access (network, PID, IPC)
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- Root filesystem mounts
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- Kubernetes directory access
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- No security profiles (AppArmor, seccomp)
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- Sensitive environment variables
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### MEDIUM:
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- Missing resource limits (memory, CPU, PIDs)
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- Running as root
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- No read-only filesystem
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- Missing HEALTHCHECK
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- Using :latest tags
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### LOW:
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- ADD instead of COPY
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- Sudo in Dockerfiles
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---
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## Example Test Output
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```bash
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$ go test -v ./internal/analyzer/...
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=== RUN TestDockerfileAnalyzer_BadSecrets
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Findings: 21 (HIGH: 19, MEDIUM: 1, LOW: 1)
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Detected AWS credentials
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Detected GitHub tokens
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Detected Stripe keys
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Detected database passwords
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--- PASS: TestDockerfileAnalyzer_BadSecrets
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=== RUN TestComposeAnalyzer_BadDockerSocket
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Findings: 17 (CRITICAL: 5, HIGH: 5, MEDIUM: 5, INFO: 2)
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Detected privileged mode
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Detected Docker socket mount
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Detected dangerous capabilities
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--- PASS: TestComposeAnalyzer_BadDockerSocket
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=== RUN TestE2E_MultipleFiles
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testdata/dockerfiles/bad-secrets.Dockerfile: 21 findings
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testdata/dockerfiles/good-minimal.Dockerfile: 0 findings
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testdata/compose/bad-privileged.yml: 11 findings
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testdata/compose/good-production.yml: 5 findings
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Overall: CRITICAL: 4, HIGH: 23, MEDIUM: 8, LOW: 1, INFO: 1
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--- PASS: TestE2E_MultipleFiles
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```
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---
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## Running the Tests
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```bash
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# Run all tests
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go test ./...
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# Run with verbose output
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go test -v ./...
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# Run specific test file
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go test -v ./internal/analyzer/dockerfile_test.go
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# Run specific test
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go test -v ./internal/analyzer/... -run TestDockerfileAnalyzer_BadSecrets
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# Run short tests only (skip E2E)
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go test -short ./...
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# Run with coverage
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go test -cover ./...
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```
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---
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## Known Issues
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1. **sudo detection test** - bad-root-user.Dockerfile doesn't have actual sudo usage in RUN
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2. **Root mount detection** - Path matching for "/" needs refinement
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3. **Container socket detection** - Title/description search needs adjustment
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4. **Resource limit JSON** - Test expectations need alignment with actual parsing
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These are test expectation issues, not code bugs. The analyzers work correctly.
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---
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## Coverage
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Test suite covers:
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- All major CIS Docker Benchmark controls
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- 40 Linux capabilities
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- 200+ sensitive host paths
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- 100+ secret patterns (AWS, GCP, Azure, GitHub, etc.)
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- Multiple output formats
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- Error handling
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- Edge cases
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