78 lines
2.6 KiB
Python
78 lines
2.6 KiB
Python
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"""Tests for diff parser module."""
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import pytest
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from auto_commit_service.git.diff_parser import summarize_diff, DiffSummary
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class TestSummarizeDiff:
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"""Tests for summarize_diff function."""
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def test_empty_diff(self) -> None:
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"""Test parsing empty diff."""
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summary = summarize_diff("")
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assert summary.files_modified == 0
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assert summary.files_added == 0
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assert summary.files_deleted == 0
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assert summary.additions == 0
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assert summary.deletions == 0
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def test_modified_file(self, sample_diff: str) -> None:
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"""Test parsing diff with modified file."""
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summary = summarize_diff(sample_diff)
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assert summary.files_modified == 1 # src/app.py
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assert summary.files_added == 1 # src/utils.py
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assert summary.additions > 0
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assert "src/app.py" in summary.key_files
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assert "src/utils.py" in summary.key_files
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def test_file_types_tracking(self, sample_diff: str) -> None:
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"""Test that file types are tracked."""
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summary = summarize_diff(sample_diff)
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assert ".py" in summary.file_types
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assert summary.file_types[".py"] == 2
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def test_diff_excerpt_truncation(self) -> None:
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"""Test that large diffs are truncated."""
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# Create a large diff
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large_diff = "\n".join([f"+line {i}" for i in range(500)])
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large_diff = f"diff --git a/big.txt b/big.txt\n{large_diff}"
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summary = summarize_diff(large_diff, max_excerpt_lines=50)
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assert "truncated" in summary.diff_excerpt.lower()
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assert len(summary.diff_excerpt.split("\n")) <= 52 # 50 + truncation message
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def test_total_properties(self, sample_diff: str) -> None:
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"""Test total_files and total_changes properties."""
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summary = summarize_diff(sample_diff)
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assert summary.total_files == summary.files_modified + summary.files_added + summary.files_deleted
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assert summary.total_changes == summary.additions + summary.deletions
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class TestDiffSummary:
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"""Tests for DiffSummary dataclass."""
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def test_default_values(self) -> None:
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"""Test default values."""
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summary = DiffSummary()
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assert summary.files_modified == 0
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assert summary.file_types == {}
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assert summary.key_files == []
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assert summary.diff_excerpt == ""
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def test_total_files(self) -> None:
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"""Test total_files property."""
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summary = DiffSummary(
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files_modified=5,
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files_added=3,
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files_deleted=2,
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)
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assert summary.total_files == 10
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