fix: resolve CI/CD issues - remove unused imports and fix type mismatches

tests/unit/test_analyzers.py

@@ -1,8 +1,7 @@
-import pytest
 from pathlib import Path
 from src.analyzers.complexity import ComplexityCalculator
 from src.analyzers.dependencies import DependencyAnalyzer
-from src.graph.builder import GraphBuilder, GraphType, GraphNode, NodeType, GraphEdge
+from src.graph.builder import GraphBuilder, GraphType, GraphNode, NodeType
 from src.parsers.base import Entity, EntityType
 
 
@@ -137,6 +136,21 @@ class TestComplexityCalculator:
         assert report["total_cyclomatic_complexity"] >= 2
         assert "complexity_distribution" in report
 
+    def test_complexity_distribution(self):
+        entities = [
+            Entity(
+                name=f"func{i}",
+                entity_type=EntityType.FUNCTION,
+                file_path=Path("/test.py"),
+                start_line=1,
+                end_line=5,
+                code="def func():\n    pass",
+            )
+            for i in range(10)
+        ]
+        report = self.calculator.calculate_project_complexity(entities)
+        assert report["complexity_distribution"]["low"] == 10
+
 
 class TestDependencyAnalyzer:
     def setup_method(self):
@@ -172,3 +186,38 @@ class TestDependencyAnalyzer:
         self.builder.add_node(file_node)
         layers = self.analyzer.get_architecture_layers()
         assert "presentation" in layers or "other" in layers
+
+    def test_get_file_dependencies(self):
+        file_node = GraphNode(
+            node_id="file_test.py",
+            node_type=NodeType.FILE,
+            name="test.py",
+            file_path=Path("/test.py"),
+        )
+        self.builder.add_node(file_node)
+        deps = self.analyzer.get_file_dependencies(Path("/test.py"))
+        assert isinstance(deps, list)
+
+
+class TestComplexityReport:
+    def test_report_creation(self):
+        from src.analyzers.complexity import ComplexityReport
+        report = ComplexityReport(file_path=Path("/test.py"))
+        assert report.file_path == Path("/test.py")
+        assert report.functions == []
+        assert report.classes == []
+        assert report.total_cyclomatic_complexity == 0
+
+    def test_average_complexity_calculation(self):
+        from src.analyzers.complexity import ComplexityReport
+        report = ComplexityReport(file_path=Path("/test.py"))
+        report.functions = [
+            {"complexity_score": 5},
+            {"complexity_score": 10},
+            {"complexity_score": 15},
+        ]
+        expected_avg = (5 + 10 + 15) / 3
+        actual_avg = sum(f["complexity_score"] for f in report.functions) / len(
+            report.functions
+        )
+        assert actual_avg == expected_avg