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emrg: add write_tool content-too-large error path test#24

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Merged
argszero merged 1 commit into from
Jul 18, 2026
Merged

emrg: add write_tool content-too-large error path test #24

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14 changes: 14 additions & 0 deletions tests/test_write_tool.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -89,3 +89,17 @@ def test_write_large_content_ok(temp_dir):
assert not result.error
assert "Created" in result.content
assert len(filepath.read_text()) == 100_000


def test_write_content_too_large(temp_dir, monkeypatch):
"""Content exceeding MAX_WRITE_SIZE must return an error."""
monkeypatch.setattr("emrg.tools.write_tool.MAX_WRITE_SIZE", 100)
tool = WriteTool()
filepath = temp_dir / "test.txt"
result = _run(tool.execute({
"file_path": str(filepath),
"content": "x" * 200,
}))
assert result.error
assert "too large" in result.content
assert not filepath.exists()