fix: update mathml
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liuyuanchuang
202
test_word_mathml.py
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202
test_word_mathml.py
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"""Test Word-compatible MathML generation."""
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from app.services.converter import Converter
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def test_mathml_word_compatibility():
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"""Test that generated MathML is Word-compatible."""
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converter = Converter()
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print("=" * 80)
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print("Testing Word-Compatible MathML Generation")
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print("=" * 80)
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# Test case: Matrix with determinant (the problematic example)
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latex = r"""\left| \begin{array}{cccc} a_{11} & a_{12} & \dots & a_{1n} \\ \vdots & \vdots & & \vdots \\ a_{i1} & 0 & \dots & 0 \\ \vdots & \vdots & & \vdots \\ a_{n1} & a_{n2} & \dots & a_{nn} \end{array} \right|"""
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print(f"\nLaTeX: {latex[:80]}...")
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print("\n" + "-" * 80)
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# Convert to formats
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result = converter.convert_to_formats(f"$${latex}$$")
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if not result.mathml:
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print("✗ No MathML generated")
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return False
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mathml = result.mathml
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print("Checking Word compatibility features:")
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print("-" * 80)
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# Check 1: Display attribute
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if 'display="block"' in mathml:
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print("✓ Has display='block' attribute")
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else:
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print("✗ Missing or wrong display attribute")
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print(f" Found: {mathml[:100]}...")
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# Check 2: No Unicode entities for common symbols
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unicode_issues = []
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problematic_entities = ['+', '…', '⋮', '=', '|']
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for entity in problematic_entities:
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if entity in mathml:
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unicode_issues.append(entity)
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if unicode_issues:
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print(f"✗ Contains Unicode entities: {unicode_issues}")
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else:
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print("✓ No problematic Unicode entities")
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# Check 3: Uses mfenced for brackets (Word-friendly)
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if '<mfenced' in mathml or '<mo fence="true"' in mathml or 'stretchy="true"' in mathml:
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print("✓ Uses fence elements")
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else:
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print("? No fence elements found (might be OK)")
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# Check 4: Has proper namespace
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if 'xmlns="http://www.w3.org/1998/Math/MathML"' in mathml:
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print("✓ Has MathML namespace")
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else:
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print("✗ Missing MathML namespace")
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# Show preview
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print("\n" + "-" * 80)
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print("MathML Preview (first 500 chars):")
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print("-" * 80)
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print(mathml[:500])
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if len(mathml) > 500:
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print("...")
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print("\n" + "-" * 80)
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print(f"Total length: {len(mathml)} characters")
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# Check if this looks like Pandoc-generated MathML
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if 'mfenced' in mathml or 'columnalign' in mathml:
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print("✓ Appears to be Pandoc-generated (good for Word)")
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elif 'stretchy' in mathml and 'fence' in mathml:
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print("✓ Uses standard fence attributes")
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else:
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print("? MathML structure unclear")
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return True
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def test_simple_formulas():
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"""Test simple formulas for Word compatibility."""
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converter = Converter()
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print("\n" + "=" * 80)
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print("Testing Simple Formulas")
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print("=" * 80)
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test_cases = [
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("Fraction", r"\frac{a}{b}"),
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("Square root", r"\sqrt{x^2 + y^2}"),
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("Summation", r"\sum_{i=1}^{n} i"),
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("Equation", r"E = mc^2"),
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("Matrix", r"\begin{pmatrix} a & b \\ c & d \end{pmatrix}"),
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]
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all_passed = True
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for name, latex in test_cases:
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print(f"\n{name}: ${latex}$")
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try:
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result = converter.convert_to_formats(f"${latex}$")
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mathml = result.mathml
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# Quick checks
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checks = [
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('display="block"' in mathml, "display=block"),
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('+' not in mathml, "no +entity"),
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('=' not in mathml, "no =entity"),
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('xmlns=' in mathml, "namespace"),
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]
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status = "✓" if all(check[0] for check in checks) else "✗"
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failed_checks = [check[1] for check in checks if not check[0]]
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print(f" {status} Length: {len(mathml)} chars", end="")
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if failed_checks:
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print(f" | Issues: {', '.join(failed_checks)}")
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all_passed = False
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else:
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print(" | All checks passed")
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except Exception as e:
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print(f" ✗ Error: {e}")
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all_passed = False
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return all_passed
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def compare_with_reference():
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"""Compare our MathML with reference Word-compatible MathML."""
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print("\n" + "=" * 80)
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print("Comparison with Reference MathML")
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print("=" * 80)
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converter = Converter()
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# Simple matrix example
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latex = r"\left| \begin{array}{cc} a & b \\ c & d \end{array} \right|"
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result = converter.convert_to_formats(f"$${latex}$$")
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our_mathml = result.mathml
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print("\nOur MathML structure:")
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print("-" * 80)
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# Analyze structure
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features = {
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"mfenced": "<mfenced" in our_mathml,
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"mo fence": '<mo fence="' in our_mathml or '<mo stretchy="true"' in our_mathml,
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"mtable": "<mtable" in our_mathml,
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"display block": 'display="block"' in our_mathml,
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"unicode entities": any(f"&#x{x};" in our_mathml for x in ["0002B", "0003D", "0007C"]),
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}
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print("Features:")
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for feature, present in features.items():
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status = "✓" if present != (feature == "unicode entities") else "✗"
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print(f" {status} {feature}: {present}")
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print(f"\nLength: {len(our_mathml)} characters")
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print(f"Preview:\n{our_mathml[:300]}...")
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return not features["unicode entities"]
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if __name__ == "__main__":
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print("Word-Compatible MathML Test Suite\n")
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try:
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test1 = test_mathml_word_compatibility()
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test2 = test_simple_formulas()
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test3 = compare_with_reference()
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print("\n" + "=" * 80)
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print("SUMMARY")
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print("=" * 80)
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if test1 and test2 and test3:
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print("✓✓✓ ALL TESTS PASSED ✓✓✓")
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print("\nMathML should be Word-compatible!")
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print("Try copying the mathml output and pasting into Word.")
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else:
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print("✗✗✗ SOME TESTS FAILED ✗✗✗")
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print("\nMathML may not be fully Word-compatible.")
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print("=" * 80)
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except KeyboardInterrupt:
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print("\n\nTests interrupted")
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except Exception as e:
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print(f"\n\nTest error: {e}")
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import traceback
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traceback.print_exc()
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