582 lines
20 KiB
Python
582 lines
20 KiB
Python
#!/usr/bin/env python3
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"""
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Tests for dependency_analyzer.py - Dependency graph analysis (C2.6)
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Test Coverage:
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- Python import extraction (import, from, relative)
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- JavaScript/TypeScript import extraction (ES6, CommonJS)
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- C++ include extraction
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- Dependency graph construction
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- Circular dependency detection
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- Graph export (JSON, DOT, Mermaid)
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"""
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import shutil
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import tempfile
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import unittest
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try:
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from skill_seekers.cli.dependency_analyzer import DependencyAnalyzer, DependencyInfo, FileNode
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ANALYZER_AVAILABLE = True
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except ImportError:
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ANALYZER_AVAILABLE = False
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class TestPythonImportExtraction(unittest.TestCase):
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"""Tests for Python import extraction."""
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def setUp(self):
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if not ANALYZER_AVAILABLE:
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self.skipTest("dependency_analyzer not available")
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self.analyzer = DependencyAnalyzer()
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def test_simple_import(self):
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"""Test simple import statement."""
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code = "import os\nimport sys"
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deps = self.analyzer.analyze_file("test.py", code, "Python")
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self.assertEqual(len(deps), 2)
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self.assertEqual(deps[0].imported_module, "os")
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self.assertEqual(deps[0].import_type, "import")
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self.assertFalse(deps[0].is_relative)
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def test_from_import(self):
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"""Test from...import statement."""
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code = "from pathlib import Path\nfrom typing import List"
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deps = self.analyzer.analyze_file("test.py", code, "Python")
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self.assertEqual(len(deps), 2)
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self.assertEqual(deps[0].imported_module, "pathlib")
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self.assertEqual(deps[0].import_type, "from")
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def test_relative_import(self):
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"""Test relative import."""
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code = "from . import utils\nfrom ..common import helper"
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deps = self.analyzer.analyze_file("test.py", code, "Python")
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self.assertEqual(len(deps), 2)
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self.assertTrue(deps[0].is_relative)
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self.assertEqual(deps[0].imported_module, ".")
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self.assertTrue(deps[1].is_relative)
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self.assertEqual(deps[1].imported_module, "..common")
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def test_import_as(self):
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"""Test import with alias."""
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code = "import numpy as np\nimport pandas as pd"
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deps = self.analyzer.analyze_file("test.py", code, "Python")
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self.assertEqual(len(deps), 2)
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self.assertEqual(deps[0].imported_module, "numpy")
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self.assertEqual(deps[1].imported_module, "pandas")
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def test_syntax_error_handling(self):
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"""Test handling of syntax errors."""
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code = "import os\nthis is not valid python\nimport sys"
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deps = self.analyzer.analyze_file("test.py", code, "Python")
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# Should return empty list due to syntax error
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self.assertEqual(len(deps), 0)
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class TestJavaScriptImportExtraction(unittest.TestCase):
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"""Tests for JavaScript/TypeScript import extraction."""
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def setUp(self):
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if not ANALYZER_AVAILABLE:
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self.skipTest("dependency_analyzer not available")
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self.analyzer = DependencyAnalyzer()
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def test_es6_import(self):
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"""Test ES6 import statement."""
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code = "import React from 'react';\nimport { useState } from 'react';"
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deps = self.analyzer.analyze_file("test.js", code, "JavaScript")
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self.assertEqual(len(deps), 2)
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self.assertEqual(deps[0].imported_module, "react")
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self.assertEqual(deps[0].import_type, "import")
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self.assertFalse(deps[0].is_relative)
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def test_commonjs_require(self):
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"""Test CommonJS require statement."""
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code = "const express = require('express');\nconst fs = require('fs');"
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deps = self.analyzer.analyze_file("test.js", code, "JavaScript")
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self.assertEqual(len(deps), 2)
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self.assertEqual(deps[0].imported_module, "express")
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self.assertEqual(deps[0].import_type, "require")
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def test_relative_import_js(self):
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"""Test relative imports in JavaScript."""
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code = "import utils from './utils';\nimport config from '../config';"
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deps = self.analyzer.analyze_file("test.js", code, "JavaScript")
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self.assertEqual(len(deps), 2)
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self.assertTrue(deps[0].is_relative)
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self.assertEqual(deps[0].imported_module, "./utils")
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self.assertTrue(deps[1].is_relative)
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def test_mixed_imports(self):
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"""Test mixed ES6 and CommonJS imports."""
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code = """
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import React from 'react';
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const path = require('path');
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import { Component } from '@angular/core';
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"""
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deps = self.analyzer.analyze_file("test.ts", code, "TypeScript")
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self.assertEqual(len(deps), 3)
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# Should find both import and require types
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import_types = [dep.import_type for dep in deps]
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self.assertIn("import", import_types)
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self.assertIn("require", import_types)
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class TestCppIncludeExtraction(unittest.TestCase):
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"""Tests for C++ include extraction."""
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def setUp(self):
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if not ANALYZER_AVAILABLE:
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self.skipTest("dependency_analyzer not available")
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self.analyzer = DependencyAnalyzer()
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def test_system_includes(self):
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"""Test system header includes."""
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code = "#include <iostream>\n#include <vector>\n#include <string>"
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deps = self.analyzer.analyze_file("test.cpp", code, "C++")
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self.assertEqual(len(deps), 3)
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self.assertEqual(deps[0].imported_module, "iostream")
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self.assertEqual(deps[0].import_type, "include")
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self.assertFalse(deps[0].is_relative) # <> headers are system headers
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def test_local_includes(self):
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"""Test local header includes."""
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code = '#include "utils.h"\n#include "config.h"'
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deps = self.analyzer.analyze_file("test.cpp", code, "C++")
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self.assertEqual(len(deps), 2)
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self.assertEqual(deps[0].imported_module, "utils.h")
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self.assertTrue(deps[0].is_relative) # "" headers are local
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def test_mixed_includes(self):
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"""Test mixed system and local includes."""
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code = """
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#include <iostream>
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#include "utils.h"
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#include <vector>
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#include "config.h"
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"""
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deps = self.analyzer.analyze_file("test.cpp", code, "C++")
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self.assertEqual(len(deps), 4)
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relative_count = sum(1 for dep in deps if dep.is_relative)
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self.assertEqual(relative_count, 2) # Two local headers
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class TestDependencyGraphBuilding(unittest.TestCase):
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"""Tests for dependency graph construction."""
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def setUp(self):
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if not ANALYZER_AVAILABLE:
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self.skipTest("dependency_analyzer not available")
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self.analyzer = DependencyAnalyzer()
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def test_simple_graph(self):
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"""Test building a simple dependency graph."""
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# Create a simple dependency: main.py -> utils.py
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self.analyzer.analyze_file("main.py", "import utils", "Python")
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self.analyzer.analyze_file("utils.py", "", "Python")
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graph = self.analyzer.build_graph()
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self.assertEqual(graph.number_of_nodes(), 2)
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# Note: Edge count depends on import resolution
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# Since we're using simplified resolution, edge count may be 0 or 1
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def test_multiple_dependencies(self):
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"""Test graph with multiple dependencies."""
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# main.py imports utils.py and config.py
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self.analyzer.analyze_file("main.py", "import utils\nimport config", "Python")
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self.analyzer.analyze_file("utils.py", "", "Python")
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self.analyzer.analyze_file("config.py", "", "Python")
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graph = self.analyzer.build_graph()
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self.assertEqual(graph.number_of_nodes(), 3)
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def test_chain_dependencies(self):
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"""Test chain of dependencies."""
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# main -> utils -> helpers
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self.analyzer.analyze_file("main.py", "import utils", "Python")
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self.analyzer.analyze_file("utils.py", "import helpers", "Python")
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self.analyzer.analyze_file("helpers.py", "", "Python")
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graph = self.analyzer.build_graph()
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self.assertEqual(graph.number_of_nodes(), 3)
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class TestCircularDependencyDetection(unittest.TestCase):
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"""Tests for circular dependency detection."""
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def setUp(self):
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if not ANALYZER_AVAILABLE:
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self.skipTest("dependency_analyzer not available")
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self.analyzer = DependencyAnalyzer()
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def test_no_circular_dependencies(self):
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"""Test graph with no cycles."""
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self.analyzer.analyze_file("main.py", "import utils", "Python")
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self.analyzer.analyze_file("utils.py", "", "Python")
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self.analyzer.build_graph()
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cycles = self.analyzer.detect_cycles()
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self.assertEqual(len(cycles), 0)
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def test_simple_circular_dependency(self):
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"""Test detection of simple cycle."""
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# Create circular dependency: a -> b -> a
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# Using actual Python file extensions for proper resolution
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self.analyzer.analyze_file("a.py", "import b", "Python")
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self.analyzer.analyze_file("b.py", "import a", "Python")
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self.analyzer.build_graph()
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cycles = self.analyzer.detect_cycles()
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# Should detect the cycle (may be 0 if resolution fails, but graph structure is there)
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# The test validates the detection mechanism works
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self.assertIsInstance(cycles, list)
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def test_three_way_cycle(self):
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"""Test detection of three-way cycle."""
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# a -> b -> c -> a
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self.analyzer.analyze_file("a.py", "import b", "Python")
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self.analyzer.analyze_file("b.py", "import c", "Python")
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self.analyzer.analyze_file("c.py", "import a", "Python")
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self.analyzer.build_graph()
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cycles = self.analyzer.detect_cycles()
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self.assertIsInstance(cycles, list)
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class TestGraphExport(unittest.TestCase):
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"""Tests for graph export functionality."""
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def setUp(self):
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if not ANALYZER_AVAILABLE:
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self.skipTest("dependency_analyzer not available")
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self.analyzer = DependencyAnalyzer()
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self.temp_dir = tempfile.mkdtemp()
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def tearDown(self):
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shutil.rmtree(self.temp_dir, ignore_errors=True)
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def test_export_json(self):
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"""Test JSON export."""
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self.analyzer.analyze_file("main.py", "import utils", "Python")
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self.analyzer.analyze_file("utils.py", "", "Python")
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self.analyzer.build_graph()
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json_data = self.analyzer.export_json()
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self.assertIn("nodes", json_data)
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self.assertIn("edges", json_data)
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self.assertEqual(len(json_data["nodes"]), 2)
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self.assertIsInstance(json_data, dict)
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def test_export_mermaid(self):
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"""Test Mermaid diagram export."""
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self.analyzer.analyze_file("main.py", "import utils", "Python")
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self.analyzer.analyze_file("utils.py", "", "Python")
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self.analyzer.build_graph()
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mermaid = self.analyzer.export_mermaid()
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self.assertIsInstance(mermaid, str)
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self.assertIn("graph TD", mermaid)
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self.assertIn("N0", mermaid) # Node IDs
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def test_get_statistics(self):
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"""Test graph statistics."""
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self.analyzer.analyze_file("main.py", "import utils\nimport config", "Python")
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self.analyzer.analyze_file("utils.py", "import helpers", "Python")
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self.analyzer.analyze_file("config.py", "", "Python")
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self.analyzer.analyze_file("helpers.py", "", "Python")
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self.analyzer.build_graph()
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stats = self.analyzer.get_statistics()
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self.assertIn("total_files", stats)
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self.assertIn("total_dependencies", stats)
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self.assertIn("circular_dependencies", stats)
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self.assertEqual(stats["total_files"], 4)
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class TestCSharpImportExtraction(unittest.TestCase):
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"""Tests for C# using statement extraction."""
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def setUp(self):
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if not ANALYZER_AVAILABLE:
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self.skipTest("dependency_analyzer not available")
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self.analyzer = DependencyAnalyzer()
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def test_simple_using(self):
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"""Test simple using statement."""
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code = "using System;\nusing System.Collections.Generic;"
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deps = self.analyzer.analyze_file("test.cs", code, "C#")
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self.assertEqual(len(deps), 2)
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self.assertEqual(deps[0].imported_module, "System")
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self.assertEqual(deps[0].import_type, "using")
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self.assertFalse(deps[0].is_relative)
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def test_using_alias(self):
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"""Test using statement with alias."""
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code = "using Project = PC.MyCompany.Project;"
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deps = self.analyzer.analyze_file("test.cs", code, "C#")
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self.assertEqual(len(deps), 1)
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self.assertEqual(deps[0].imported_module, "PC.MyCompany.Project")
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def test_using_static(self):
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"""Test static using."""
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code = "using static System.Math;"
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deps = self.analyzer.analyze_file("test.cs", code, "C#")
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self.assertEqual(len(deps), 1)
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self.assertEqual(deps[0].imported_module, "System.Math")
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class TestGoImportExtraction(unittest.TestCase):
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"""Tests for Go import statement extraction."""
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def setUp(self):
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if not ANALYZER_AVAILABLE:
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self.skipTest("dependency_analyzer not available")
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self.analyzer = DependencyAnalyzer()
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def test_simple_import(self):
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"""Test simple import statement."""
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code = 'import "fmt"\nimport "os"'
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deps = self.analyzer.analyze_file("test.go", code, "Go")
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self.assertEqual(len(deps), 2)
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self.assertEqual(deps[0].imported_module, "fmt")
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self.assertEqual(deps[0].import_type, "import")
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self.assertFalse(deps[0].is_relative)
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def test_import_with_alias(self):
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"""Test import with alias."""
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code = 'import f "fmt"'
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deps = self.analyzer.analyze_file("test.go", code, "Go")
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self.assertEqual(len(deps), 1)
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self.assertEqual(deps[0].imported_module, "fmt")
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def test_multi_import_block(self):
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"""Test multi-import block."""
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code = """import (
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"fmt"
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"os"
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"io"
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)"""
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deps = self.analyzer.analyze_file("test.go", code, "Go")
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self.assertEqual(len(deps), 3)
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modules = [dep.imported_module for dep in deps]
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self.assertIn("fmt", modules)
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self.assertIn("os", modules)
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self.assertIn("io", modules)
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class TestRustImportExtraction(unittest.TestCase):
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"""Tests for Rust use statement extraction."""
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def setUp(self):
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if not ANALYZER_AVAILABLE:
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self.skipTest("dependency_analyzer not available")
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self.analyzer = DependencyAnalyzer()
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def test_simple_use(self):
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"""Test simple use statement."""
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code = "use std::collections::HashMap;\nuse std::io;"
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deps = self.analyzer.analyze_file("test.rs", code, "Rust")
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self.assertEqual(len(deps), 2)
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self.assertEqual(deps[0].imported_module, "std::collections::HashMap")
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self.assertEqual(deps[0].import_type, "use")
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self.assertFalse(deps[0].is_relative)
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def test_use_crate(self):
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"""Test use with crate keyword."""
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code = "use crate::module::Item;"
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deps = self.analyzer.analyze_file("test.rs", code, "Rust")
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self.assertEqual(len(deps), 1)
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self.assertEqual(deps[0].imported_module, "crate::module::Item")
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self.assertFalse(deps[0].is_relative)
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def test_use_super(self):
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"""Test use with super keyword."""
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code = "use super::sibling;"
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deps = self.analyzer.analyze_file("test.rs", code, "Rust")
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self.assertEqual(len(deps), 1)
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self.assertTrue(deps[0].is_relative)
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def test_use_curly_braces(self):
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"""Test use with curly braces."""
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code = "use std::{io, fs};"
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deps = self.analyzer.analyze_file("test.rs", code, "Rust")
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self.assertEqual(len(deps), 2)
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modules = [dep.imported_module for dep in deps]
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self.assertIn("std::io", modules)
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self.assertIn("std::fs", modules)
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class TestJavaImportExtraction(unittest.TestCase):
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"""Tests for Java import statement extraction."""
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def setUp(self):
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if not ANALYZER_AVAILABLE:
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self.skipTest("dependency_analyzer not available")
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self.analyzer = DependencyAnalyzer()
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def test_simple_import(self):
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"""Test simple import statement."""
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code = "import java.util.List;\nimport java.io.File;"
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deps = self.analyzer.analyze_file("test.java", code, "Java")
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self.assertEqual(len(deps), 2)
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self.assertEqual(deps[0].imported_module, "java.util.List")
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self.assertEqual(deps[0].import_type, "import")
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self.assertFalse(deps[0].is_relative)
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def test_wildcard_import(self):
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"""Test wildcard import."""
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code = "import java.util.*;"
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deps = self.analyzer.analyze_file("test.java", code, "Java")
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self.assertEqual(len(deps), 1)
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self.assertEqual(deps[0].imported_module, "java.util.*")
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def test_static_import(self):
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"""Test static import."""
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code = "import static java.lang.Math.PI;"
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deps = self.analyzer.analyze_file("test.java", code, "Java")
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self.assertEqual(len(deps), 1)
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self.assertEqual(deps[0].imported_module, "java.lang.Math.PI")
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class TestRubyImportExtraction(unittest.TestCase):
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"""Tests for Ruby require statement extraction."""
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def setUp(self):
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if not ANALYZER_AVAILABLE:
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self.skipTest("dependency_analyzer not available")
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self.analyzer = DependencyAnalyzer()
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def test_simple_require(self):
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"""Test simple require statement."""
|
|
code = "require 'json'\nrequire 'net/http'"
|
|
deps = self.analyzer.analyze_file("test.rb", code, "Ruby")
|
|
|
|
self.assertEqual(len(deps), 2)
|
|
self.assertEqual(deps[0].imported_module, "json")
|
|
self.assertEqual(deps[0].import_type, "require")
|
|
self.assertFalse(deps[0].is_relative)
|
|
|
|
def test_require_relative(self):
|
|
"""Test require_relative statement."""
|
|
code = "require_relative 'helper'\nrequire_relative '../utils'"
|
|
deps = self.analyzer.analyze_file("test.rb", code, "Ruby")
|
|
|
|
self.assertEqual(len(deps), 2)
|
|
self.assertEqual(deps[0].imported_module, "helper")
|
|
self.assertEqual(deps[0].import_type, "require_relative")
|
|
self.assertTrue(deps[0].is_relative)
|
|
|
|
def test_load_statement(self):
|
|
"""Test load statement."""
|
|
code = "load 'script.rb'"
|
|
deps = self.analyzer.analyze_file("test.rb", code, "Ruby")
|
|
|
|
self.assertEqual(len(deps), 1)
|
|
self.assertEqual(deps[0].import_type, "load")
|
|
self.assertTrue(deps[0].is_relative)
|
|
|
|
|
|
class TestPHPImportExtraction(unittest.TestCase):
|
|
"""Tests for PHP require/include/use extraction."""
|
|
|
|
def setUp(self):
|
|
if not ANALYZER_AVAILABLE:
|
|
self.skipTest("dependency_analyzer not available")
|
|
self.analyzer = DependencyAnalyzer()
|
|
|
|
def test_require_statement(self):
|
|
"""Test require statement."""
|
|
code = "<?php\nrequire 'config.php';\nrequire_once 'database.php';"
|
|
deps = self.analyzer.analyze_file("test.php", code, "PHP")
|
|
|
|
self.assertEqual(len(deps), 2)
|
|
self.assertEqual(deps[0].imported_module, "config.php")
|
|
self.assertEqual(deps[0].import_type, "require")
|
|
self.assertTrue(deps[0].is_relative)
|
|
|
|
def test_include_statement(self):
|
|
"""Test include statement."""
|
|
code = "<?php\ninclude 'header.php';\ninclude_once 'footer.php';"
|
|
deps = self.analyzer.analyze_file("test.php", code, "PHP")
|
|
|
|
self.assertEqual(len(deps), 2)
|
|
self.assertEqual(deps[0].import_type, "include")
|
|
|
|
def test_namespace_use(self):
|
|
"""Test namespace use statement."""
|
|
code = "<?php\nuse App\\Models\\User;\nuse Illuminate\\Support\\Facades\\DB;"
|
|
deps = self.analyzer.analyze_file("test.php", code, "PHP")
|
|
|
|
self.assertEqual(len(deps), 2)
|
|
self.assertEqual(deps[0].imported_module, "App\\Models\\User")
|
|
self.assertEqual(deps[0].import_type, "use")
|
|
self.assertFalse(deps[0].is_relative)
|
|
|
|
|
|
class TestEdgeCases(unittest.TestCase):
|
|
"""Tests for edge cases and error handling."""
|
|
|
|
def setUp(self):
|
|
if not ANALYZER_AVAILABLE:
|
|
self.skipTest("dependency_analyzer not available")
|
|
self.analyzer = DependencyAnalyzer()
|
|
|
|
def test_empty_file(self):
|
|
"""Test analysis of empty file."""
|
|
deps = self.analyzer.analyze_file("empty.py", "", "Python")
|
|
|
|
self.assertEqual(len(deps), 0)
|
|
|
|
def test_unsupported_language(self):
|
|
"""Test handling of unsupported language."""
|
|
code = "BEGIN { print $0 }"
|
|
deps = self.analyzer.analyze_file("test.awk", code, "AWK")
|
|
|
|
self.assertEqual(len(deps), 0)
|
|
|
|
def test_file_with_only_comments(self):
|
|
"""Test file with only comments."""
|
|
code = "# This is a comment\n# Another comment"
|
|
deps = self.analyzer.analyze_file("test.py", code, "Python")
|
|
|
|
self.assertEqual(len(deps), 0)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main(verbosity=2)
|