test: sync refactoring opportunity finder tests (#210)

scripts/test_refactoring_opportunity_finder.py

@@ -19,208 +19,95 @@ FileMetrics = mod.FileMetrics
 
 
 def test_complexity_simple_function():
-    """Simple function should have low complexity."""
     with tempfile.NamedTemporaryFile(mode='w', suffix='.py', delete=False) as f:
-        f.write("""
-def simple():
-    return 42
-""")
+        f.write("\ndef simple():\n    return 42\n")
         f.flush()
         avg, max_c, funcs, classes, lines = compute_file_complexity(f.name)
-        assert avg == 1.0, f"Expected 1.0, got {avg}"
-        assert max_c == 1, f"Expected 1, got {max_c}"
-        assert funcs == 1, f"Expected 1, got {funcs}"
-        assert classes == 0, f"Expected 0, got {classes}"
+        assert avg == 1.0
+        assert max_c == 1
+        assert funcs == 1
+        assert classes == 0
         os.unlink(f.name)
     print("PASS: test_complexity_simple_function")
 
 
 def test_complexity_with_conditionals():
-    """Function with if/else should have higher complexity."""
     with tempfile.NamedTemporaryFile(mode='w', suffix='.py', delete=False) as f:
-        f.write("""
-def complex_func(x):
-    if x > 0:
-        if x > 10:
-            return "big"
-        else:
-            return "small"
-    elif x < 0:
-        return "negative"
-    else:
-        return "zero"
-""")
+        f.write("\ndef complex_func(x):\n    if x > 0:\n        if x > 10:\n            return 'big'\n        else:\n            return 'small'\n    elif x < 0:\n        return 'negative'\n    else:\n        return 'zero'\n")
         f.flush()
         avg, max_c, funcs, classes, lines = compute_file_complexity(f.name)
-        # Base 1 + 3 if/elif + 1 nested if = 5
-        assert max_c >= 4, f"Expected max_c >= 4, got {max_c}"
-        assert funcs == 1, f"Expected 1, got {funcs}"
+        assert max_c >= 4
+        assert funcs == 1
         os.unlink(f.name)
     print("PASS: test_complexity_with_conditionals")
 
 
 def test_complexity_with_loops():
-    """Function with loops should increase complexity."""
     with tempfile.NamedTemporaryFile(mode='w', suffix='.py', delete=False) as f:
-        f.write("""
-def loop_func(items):
-    result = []
-    for item in items:
-        if item > 0:
-            result.append(item)
-    while len(result) > 10:
-        result.pop()
-    return result
-""")
+        f.write("\ndef loop_func(items):\n    result = []\n    for item in items:\n        if item > 0:\n            result.append(item)\n    while len(result) > 10:\n        result.pop()\n    return result\n")
         f.flush()
         avg, max_c, funcs, classes, lines = compute_file_complexity(f.name)
-        # Base 1 + 1 for + 1 if + 1 while = 4
-        assert max_c >= 3, f"Expected max_c >= 3, got {max_c}"
+        assert max_c >= 3
         os.unlink(f.name)
     print("PASS: test_complexity_with_loops")
 
 
 def test_complexity_with_class():
-    """Class with methods should count both."""
     with tempfile.NamedTemporaryFile(mode='w', suffix='.py', delete=False) as f:
-        f.write("""
-class MyClass:
-    def method1(self):
-        if True:
-            pass
-    
-    def method2(self):
-        for i in range(10):
-            pass
-""")
+        f.write("\nclass MyClass:\n    def method1(self):\n        if True:\n            pass\n    def method2(self):\n        for i in range(10):\n            pass\n")
         f.flush()
         avg, max_c, funcs, classes, lines = compute_file_complexity(f.name)
-        assert classes == 1, f"Expected 1 class, got {classes}"
-        assert funcs == 2, f"Expected 2 functions, got {funcs}"
+        assert classes == 1
+        assert funcs == 2
         os.unlink(f.name)
     print("PASS: test_complexity_with_class")
 
 
 def test_complexity_syntax_error():
-    """File with syntax error should return zeros."""
     with tempfile.NamedTemporaryFile(mode='w', suffix='.py', delete=False) as f:
         f.write("def broken(:\n    pass")
         f.flush()
         avg, max_c, funcs, classes, lines = compute_file_complexity(f.name)
-        assert avg == 0.0, f"Expected 0.0, got {avg}"
-        assert funcs == 0, f"Expected 0, got {funcs}"
+        assert avg == 0.0
+        assert funcs == 0
         os.unlink(f.name)
     print("PASS: test_complexity_syntax_error")
 
 
 def test_refactoring_score_high_complexity():
-    """High complexity should give high score."""
-    metrics = FileMetrics(
-        path="test.py",
-        lines=200,
-        complexity=15.0,
-        max_complexity=25,
-        functions=10,
-        classes=2,
-        churn_30d=5,
-        churn_90d=15,
-        test_coverage=0.3,
-        refactoring_score=0.0
-    )
+    metrics = FileMetrics(path="test.py", lines=200, complexity=15.0, max_complexity=25, functions=10, classes=2, churn_30d=5, churn_90d=15, test_coverage=0.3, refactoring_score=0.0)
     score = calculate_refactoring_score(metrics)
-    assert score > 50, f"Expected score > 50, got {score}"
+    assert score > 50
     print("PASS: test_refactoring_score_high_complexity")
 
 
 def test_refactoring_score_low_complexity():
-    """Low complexity should give lower score."""
-    metrics = FileMetrics(
-        path="test.py",
-        lines=50,
-        complexity=2.0,
-        max_complexity=3,
-        functions=3,
-        classes=0,
-        churn_30d=0,
-        churn_90d=1,
-        test_coverage=0.9,
-        refactoring_score=0.0
-    )
+    metrics = FileMetrics(path="test.py", lines=50, complexity=2.0, max_complexity=3, functions=3, classes=0, churn_30d=0, churn_90d=1, test_coverage=0.9, refactoring_score=0.0)
     score = calculate_refactoring_score(metrics)
-    assert score < 30, f"Expected score < 30, got {score}"
+    assert score < 30
     print("PASS: test_refactoring_score_low_complexity")
 
 
 def test_refactoring_score_high_churn():
-    """High churn should increase score."""
-    metrics = FileMetrics(
-        path="test.py",
-        lines=100,
-        complexity=5.0,
-        max_complexity=8,
-        functions=5,
-        classes=0,
-        churn_30d=10,
-        churn_90d=20,
-        test_coverage=0.5,
-        refactoring_score=0.0
-    )
+    metrics = FileMetrics(path="test.py", lines=100, complexity=5.0, max_complexity=8, functions=5, classes=0, churn_30d=10, churn_90d=20, test_coverage=0.5, refactoring_score=0.0)
     score = calculate_refactoring_score(metrics)
-    # Churn should contribute significantly
-    assert score > 40, f"Expected score > 40 for high churn, got {score}"
+    assert score > 40
     print("PASS: test_refactoring_score_high_churn")
 
 
 def test_refactoring_score_no_coverage():
-    """No coverage data should assume medium risk."""
-    metrics = FileMetrics(
-        path="test.py",
-        lines=100,
-        complexity=5.0,
-        max_complexity=8,
-        functions=5,
-        classes=0,
-        churn_30d=1,
-        churn_90d=2,
-        test_coverage=None,
-        refactoring_score=0.0
-    )
+    metrics = FileMetrics(path="test.py", lines=100, complexity=5.0, max_complexity=8, functions=5, classes=0, churn_30d=1, churn_90d=2, test_coverage=None, refactoring_score=0.0)
     score = calculate_refactoring_score(metrics)
-    # Should have some score from the 5-point coverage component
-    assert score > 0, f"Expected positive score, got {score}"
+    assert score > 0
     print("PASS: test_refactoring_score_no_coverage")
 
 
 def test_refactoring_score_large_file():
-    """Large files should score higher."""
-    metrics_small = FileMetrics(
-        path="small.py",
-        lines=50,
-        complexity=5.0,
-        max_complexity=8,
-        functions=3,
-        classes=0,
-        churn_30d=1,
-        churn_90d=2,
-        test_coverage=0.8,
-        refactoring_score=0.0
-    )
-    metrics_large = FileMetrics(
-        path="large.py",
-        lines=1000,
-        complexity=5.0,
-        max_complexity=8,
-        functions=3,
-        classes=0,
-        churn_30d=1,
-        churn_90d=2,
-        test_coverage=0.8,
-        refactoring_score=0.0
-    )
+    metrics_small = FileMetrics(path="small.py", lines=50, complexity=5.0, max_complexity=8, functions=3, classes=0, churn_30d=1, churn_90d=2, test_coverage=0.8, refactoring_score=0.0)
+    metrics_large = FileMetrics(path="large.py", lines=1000, complexity=5.0, max_complexity=8, functions=3, classes=0, churn_30d=1, churn_90d=2, test_coverage=0.8, refactoring_score=0.0)
     score_small = calculate_refactoring_score(metrics_small)
     score_large = calculate_refactoring_score(metrics_large)
-    assert score_large > score_small, \
-        f"Large file ({score_large}) should score higher than small ({score_small})"
+    assert score_large > score_small
     print("PASS: test_refactoring_score_large_file")
 
 
@@ -239,4 +126,4 @@ def run_all():
 
 
 if __name__ == "__main__":
-    run_all()
+    run_all()