ed
772d567301
- test_fuzzy_anchor.py: 6 tests for fuzzy slice resolution - test_history_manager.py: 8 tests for undo/redo and UISnapshot roundtrip
60 lines
2.3 KiB
Python
60 lines
2.3 KiB
Python
import pytest
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from src.fuzzy_anchor import FuzzyAnchor
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class TestFuzzyAnchor:
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def test_create_slice_basic(self):
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text = "line0\nline1\nline2\nline3\nline4\n"
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result = FuzzyAnchor.create_slice(text, 2, 4)
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assert "start_line" in result
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assert "end_line" in result
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assert "content_hash" in result
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assert "start_context" in result
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assert "end_context" in result
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assert result["start_line"] == 2
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assert result["end_line"] == 4
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assert result["start_context"] == result["end_context"]
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def test_resolve_slice_exact_match(self):
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text = "line0\nline1\nline2\nline3\nline4\n"
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slc = FuzzyAnchor.create_slice(text, 2, 4)
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result = FuzzyAnchor.resolve_slice(text, slc)
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assert result is not None
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start, end = result
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assert start == 2
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assert end == 4
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def test_resolve_slice_line_inserted_before(self):
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original = "line0\nline1\nline2\nline3\nline4\n"
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modified = "NEW\nline0\nline1\nline2\nline3\nline4\n"
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slc = FuzzyAnchor.create_slice(original, 2, 4)
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result = FuzzyAnchor.resolve_slice(modified, slc)
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assert result is not None
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start, end = result
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assert start == 3
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assert end == 5
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def test_resolve_slice_line_deleted_before_returns_none(self):
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original = "line0\nline1\nline2\nline3\nline4\n"
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modified = "line0\nline2\nline3\nline4\n"
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slc = FuzzyAnchor.create_slice(original, 2, 4)
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result = FuzzyAnchor.resolve_slice(modified, slc)
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assert result is None
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def test_resolve_slice_multiple_lines_changed(self):
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original = "line0\nline1\nline2\nline3\nline4\n"
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modified = "a\nb\nc\nd\ne\nline0\nline1\nline2\nline3\nline4\n"
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slc = FuzzyAnchor.create_slice(original, 1, 2)
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result = FuzzyAnchor.resolve_slice(modified, slc)
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assert result is not None
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start, end = result
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assert start == 6
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assert end == 7
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def test_resolve_slice_anchor_mismatch_returns_none(self):
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original = "alpha\nbeta\ngamma\ndelta\nepsilon\n"
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modified = "foo\nbar\nbaz\ndelta\nepsilon\n"
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slc = FuzzyAnchor.create_slice(original, 2, 3)
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result = FuzzyAnchor.resolve_slice(modified, slc)
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assert result is None
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