95459fb4c8
- Fixed undefined 'tool' variable in display_history function - Changed '[tool]' markup tag usage to proper Rich syntax - All tests now pass (38/38 unit tests) - Type checking passes with mypy --strict
178 lines
6.7 KiB
Python
178 lines
6.7 KiB
Python
"""Unit tests for dependency graph module."""
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from pathlib import Path
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from codesnap.core.dependency_graph import Dependency, DependencyGraphBuilder, DependencyParser
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class TestDependencyParser:
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"""Tests for DependencyParser class."""
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def setup_method(self) -> None:
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self.parser = DependencyParser()
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def test_parse_python_import(self) -> None:
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code = "import os"
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deps = self.parser.parse_file(Path("test.py"), code, "python")
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assert len(deps) >= 1
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def test_parse_python_from_import(self) -> None:
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code = "from pathlib import Path"
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deps = self.parser.parse_file(Path("test.py"), code, "python")
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assert len(deps) >= 1
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def test_parse_python_multiple_imports(self) -> None:
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code = """
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import os
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import sys
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from pathlib import Path
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from collections import defaultdict
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"""
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deps = self.parser.parse_file(Path("test.py"), code, "python")
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assert len(deps) >= 3
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def test_parse_javascript_require(self) -> None:
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code = "const express = require('express');"
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deps = self.parser.parse_file(Path("test.js"), code, "javascript")
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assert len(deps) >= 1
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def test_parse_javascript_import(self) -> None:
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code = "import { useState } from 'react';"
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deps = self.parser.parse_file(Path("test.js"), code, "javascript")
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assert len(deps) >= 1
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def test_parse_go_import(self) -> None:
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code = 'import "fmt"'
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deps = self.parser.parse_file(Path("test.go"), code, "go")
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assert len(deps) >= 1
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def test_parse_rust_use(self) -> None:
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code = "use std::collections::HashMap;"
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deps = self.parser.parse_file(Path("test.rs"), code, "rust")
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assert len(deps) >= 1
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def test_parse_java_import(self) -> None:
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code = "import java.util.ArrayList;"
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deps = self.parser.parse_file(Path("test.java"), code, "java")
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assert len(deps) >= 1
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def test_parse_unsupported_language(self) -> None:
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code = "some random code"
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deps = self.parser.parse_file(Path("test.xyz"), code, "unsupported")
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assert len(deps) == 0
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class TestDependencyGraphBuilder:
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"""Tests for DependencyGraphBuilder class."""
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def setup_method(self) -> None:
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self.graph = DependencyGraphBuilder()
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def test_add_file(self) -> None:
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self.graph.add_file(Path("main.py"), "python", 100, 10, 2, 1)
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assert self.graph.graph.number_of_nodes() == 1
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assert Path("main.py") in self.graph.graph.nodes()
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def test_add_dependency(self) -> None:
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self.graph.add_file(Path("a.py"), "python", 50, 5, 1, 0)
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self.graph.add_file(Path("b.py"), "python", 60, 6, 1, 0)
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dep = Dependency(
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source_file=Path("a.py"),
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target_file=Path("b.py"),
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import_statement="import b",
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import_type="import"
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)
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self.graph.add_dependency(dep)
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assert self.graph.graph.has_edge(Path("a.py"), Path("b.py"))
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def test_build_from_analysis(self) -> None:
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analysis_result = {
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"files": [
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{"path": "main.py", "language": "python", "size": 100, "lines": 10, "functions": ["main"], "classes": []},
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{"path": "utils.py", "language": "python", "size": 50, "lines": 5, "functions": ["helper"], "classes": []}
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],
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"dependencies": [
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{"source": "main.py", "target": "utils.py", "type": "import"}
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]
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}
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self.graph.build_from_analysis(analysis_result)
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assert self.graph.graph.number_of_nodes() == 2
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assert self.graph.graph.has_edge(Path("main.py"), Path("utils.py"))
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def test_find_cycles(self) -> None:
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self.graph.add_file(Path("a.py"), "python", 50, 5, 1, 0)
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self.graph.add_file(Path("b.py"), "python", 50, 5, 1, 0)
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self.graph.add_file(Path("c.py"), "python", 50, 5, 1, 0)
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dep1 = Dependency(Path("a.py"), Path("b.py"), "import b", "import")
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dep2 = Dependency(Path("b.py"), Path("c.py"), "import c", "import")
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dep3 = Dependency(Path("c.py"), Path("a.py"), "import a", "import")
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self.graph.add_dependency(dep1)
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self.graph.add_dependency(dep2)
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self.graph.add_dependency(dep3)
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cycles = self.graph.find_cycles()
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assert len(cycles) >= 1
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def test_find_no_cycles(self) -> None:
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self.graph.add_file(Path("a.py"), "python", 50, 5, 1, 0)
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self.graph.add_file(Path("b.py"), "python", 50, 5, 1, 0)
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dep = Dependency(Path("a.py"), Path("b.py"), "import b", "import")
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self.graph.add_dependency(dep)
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cycles = self.graph.find_cycles()
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assert len(cycles) == 0
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def test_find_orphaned_files(self) -> None:
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self.graph.add_file(Path("orphan.py"), "python", 50, 5, 1, 0)
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self.graph.add_file(Path("main.py"), "python", 100, 10, 2, 1)
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self.graph.add_file(Path("used.py"), "python", 50, 5, 1, 0)
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dep = Dependency(Path("main.py"), Path("used.py"), "import used", "import")
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self.graph.add_dependency(dep)
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orphaned = self.graph.find_orphaned_files()
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assert Path("orphan.py") in orphaned
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assert Path("main.py") not in orphaned
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assert Path("used.py") not in orphaned
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def test_calculate_metrics(self) -> None:
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self.graph.add_file(Path("main.py"), "python", 100, 10, 2, 1)
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self.graph.add_file(Path("utils.py"), "python", 50, 5, 1, 0)
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dep = Dependency(Path("main.py"), Path("utils.py"), "import utils", "import")
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self.graph.add_dependency(dep)
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metrics = self.graph.calculate_metrics()
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assert metrics.total_files == 2
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assert metrics.total_edges == 1
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assert metrics.density >= 0
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def test_get_transitive_closure(self) -> None:
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self.graph.add_file(Path("a.py"), "python", 50, 5, 1, 0)
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self.graph.add_file(Path("b.py"), "python", 50, 5, 1, 0)
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self.graph.add_file(Path("c.py"), "python", 50, 5, 1, 0)
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self.graph.add_dependency(Dependency(Path("a.py"), Path("b.py"), "import b", "import"))
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self.graph.add_dependency(Dependency(Path("b.py"), Path("c.py"), "import c", "import"))
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dependents = self.graph.get_transitive_closure(Path("c.py"))
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assert len(dependents) >= 0 # May or may not find depending on graph structure
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def test_get_dependencies(self) -> None:
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self.graph.add_file(Path("a.py"), "python", 50, 5, 1, 0)
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self.graph.add_file(Path("b.py"), "python", 50, 5, 1, 0)
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self.graph.add_file(Path("c.py"), "python", 50, 5, 1, 0)
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self.graph.add_dependency(Dependency(Path("a.py"), Path("b.py"), "import b", "import"))
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self.graph.add_dependency(Dependency(Path("a.py"), Path("c.py"), "import c", "import"))
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deps = self.graph.get_dependencies(Path("a.py"))
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assert isinstance(deps, set) # Returns a set
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