64 lines
2.0 KiB
Python
64 lines
2.0 KiB
Python
"""Tests for the desktop-gated ``read_preview`` tool."""
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import json
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from tools import read_preview_tool as rp
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def test_gated_on_desktop(monkeypatch):
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"""Hidden unless HERMES_DESKTOP is set (mirrors read_terminal)."""
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monkeypatch.delenv("HERMES_DESKTOP", raising=False)
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assert rp.check_read_preview_requirements() is False
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monkeypatch.setenv("HERMES_DESKTOP", "1")
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assert rp.check_read_preview_requirements() is True
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def test_requires_callback():
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"""Outside the desktop GUI there is no bridge — a clear error, no crash."""
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result = json.loads(rp.read_preview_tool(callback=None))
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assert "desktop" in result["error"]
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def test_empty_answer_means_nothing_open():
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result = json.loads(rp.read_preview_tool(callback=lambda **_: ""))
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assert "error" in result
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def test_passes_json_through():
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payload = {"kind": "url", "url": "https://news.ycombinator.com", "title": "HN", "text": "hello"}
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result = json.loads(rp.read_preview_tool(callback=lambda **_: json.dumps(payload)))
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assert result == payload
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def test_wraps_non_json_text():
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result = json.loads(rp.read_preview_tool(callback=lambda **_: "plain words"))
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assert result == {"text": "plain words"}
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def test_window_forwarded_and_validated():
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seen = {}
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def cb(**kwargs):
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seen.update(kwargs)
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return json.dumps({"kind": "url"})
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rp.read_preview_tool(start=100, count=500, callback=cb)
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assert seen == {"start": 100, "count": 500}
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# Floors mirror read_terminal: start >= 0, count >= 1.
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seen.clear()
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rp.read_preview_tool(start=-5, count=0, callback=cb)
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assert seen == {"start": 0, "count": 1}
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result = json.loads(rp.read_preview_tool(start="lots", callback=cb))
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assert "integers" in result["error"]
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def test_callback_failure_is_reported():
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def _boom(**_kwargs):
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raise RuntimeError("renderer went away")
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result = json.loads(rp.read_preview_tool(callback=_boom))
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assert "renderer went away" in result["error"]
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