129 lines
4.9 KiB
Python
129 lines
4.9 KiB
Python
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import unittest
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import sys
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import os
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# Add the parent directory and plugin directory to sys.path
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current_dir = os.path.dirname(os.path.abspath(__file__))
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plugin_dir = os.path.abspath(
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os.path.join(current_dir, "..", "plugins", "filters", "markdown_normalizer")
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)
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sys.path.append(plugin_dir)
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from markdown_normalizer import ContentNormalizer, NormalizerConfig
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class TestEmphasisSpacingFix(unittest.TestCase):
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def setUp(self):
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# Explicitly enable the priority and emphasis spacing fix
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self.config = NormalizerConfig(enable_emphasis_spacing_fix=True)
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self.normalizer = ContentNormalizer(self.config)
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def test_user_reported_bug(self):
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"""
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Test case from user reported issue:
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'When there are e.g. 2 bold parts on a line of text, it treats the part between them as an ill-formatted bold part and removes spaces'
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"""
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input_text = "I **prefer** tea **to** coffee."
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# Before fix, it might become "I **prefer**tea**to** coffee."
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# Use a fresh normalizer to ensure state is clean
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result = self.normalizer.normalize(input_text)
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self.assertEqual(
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result,
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"I **prefer** tea **to** coffee.",
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"Spaces between bold parts should be preserved.",
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)
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def test_triple_bold_parts(self):
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"""Verify handling of more than 2 bold parts on a single line"""
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input_text = "The **quick** brown **fox** jumps **over** the dog."
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result = self.normalizer.normalize(input_text)
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self.assertEqual(
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result, input_text, "Multiple bold parts on same line should not merge."
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)
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def test_legitimate_spacing_fix(self):
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"""Verify it still fixes actual spacing issues"""
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test_cases = [
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("** text **", "**text**"),
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("**text **", "**text**"),
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("** text**", "**text**"),
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("__ bold __", "__bold__"),
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("* italic *", "*italic*"),
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("_ italic _", "_italic_"),
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("*** bolditalic ***", "***bolditalic***"),
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]
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for inp, expected in test_cases:
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with self.subTest(inp=inp):
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self.assertEqual(self.normalizer.normalize(inp), expected)
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def test_nested_emphasis(self):
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"""Test recursive handling of nested emphasis (italic inside bold)"""
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# Note: ** _italic_ ** -> **_italic_**
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input_text = "** _italic _ **"
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expected = "**_italic_**"
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self.assertEqual(self.normalizer.normalize(input_text), expected)
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# Complex nesting
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input_text_complex = "**bold and _ italic _ parts**"
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expected_complex = "**bold and _italic_ parts**"
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self.assertEqual(
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self.normalizer.normalize(input_text_complex), expected_complex
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)
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def test_math_operator_protection(self):
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"""Verify that math operators are protected (e.g., ' 2 * 3 * 4 ')"""
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input_text = "Calculations: 2 * 3 * 4 = 24"
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# The spacing around * should be preserved because it's an operator
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result = self.normalizer.normalize(input_text)
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self.assertEqual(
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result,
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input_text,
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"Math operators (single '*' with spaces) should not be treated as emphasis.",
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)
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def test_list_marker_protection(self):
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"""Verify that list markers are not merged with bold contents"""
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# * **bold**
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input_text = "* **bold**"
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result = self.normalizer.normalize(input_text)
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self.assertEqual(
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result,
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input_text,
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"List marker '*' should not be merged with subsequent bold marker.",
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)
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def test_mixed_single_and_double_emphasis(self):
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"""Verify a mix of single and double emphasis on the same line"""
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input_text = "He is *very* **bold** today."
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result = self.normalizer.normalize(input_text)
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self.assertEqual(
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result,
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input_text,
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"Mixed emphasis styles should not interfere with each other.",
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)
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def test_placeholder_protection(self):
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"""Verify that placeholders (multiple underscores) are protected"""
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input_text = "Fill in the blank: ____ and ____."
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result = self.normalizer.normalize(input_text)
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self.assertEqual(
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result, input_text, "Placeholders like '____' should not be modified."
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)
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def test_regression_cross_block_greedy(self):
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"""Special check for the greedy regex scenario that caused the bug"""
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# User reported case
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input_text = "I **prefer** tea **to** coffee."
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result = self.normalizer.normalize(input_text)
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self.assertEqual(
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result, input_text, "User reported case should not have spaces removed."
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)
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# Another variant with different symbols
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input_text2 = "Using __bold__ and __more bold__ here."
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self.assertEqual(self.normalizer.normalize(input_text2), input_text2)
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if __name__ == "__main__":
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unittest.main()
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