Add test files for CLI, config, detector, and generator modules

tests/test_generator.py

@@ -0,0 +1,151 @@
+from src.generator import GitignoreGenerator
+
+
+class TestGitignoreGenerator:
+    def test_init(self):
+        generator = GitignoreGenerator()
+        assert generator.selected_templates == set()
+
+    def test_add_template(self):
+        generator = GitignoreGenerator()
+        generator.add_template("python")
+        assert "python" in generator.selected_templates
+
+    def test_add_invalid_template(self):
+        generator = GitignoreGenerator()
+        generator.add_template("invalid_template")
+        assert "invalid_template" not in generator.selected_templates
+
+    def test_remove_template(self):
+        generator = GitignoreGenerator()
+        generator.add_template("python")
+        generator.remove_template("python")
+        assert "python" not in generator.selected_templates
+
+    def test_get_template_path_valid(self):
+        generator = GitignoreGenerator()
+        path = generator.get_template_path("python")
+        assert path is not None
+        assert path.exists()
+        assert "python.gitignore" in str(path)
+
+    def test_get_template_path_invalid(self):
+        generator = GitignoreGenerator()
+        path = generator.get_template_path("invalid_template")
+        assert path is None
+
+    def test_load_template(self):
+        generator = GitignoreGenerator()
+        content = generator.load_template("python")
+        assert content is not None
+        assert len(content) > 0
+        assert "__pycache__" in content
+
+    def test_load_template_invalid(self):
+        generator = GitignoreGenerator()
+        content = generator.load_template("invalid_template")
+        assert content == ""
+
+    def test_load_template_lines(self):
+        generator = GitignoreGenerator()
+        lines = generator.load_template_lines("python")
+        assert isinstance(lines, list)
+        assert len(lines) > 0
+        assert all(isinstance(line, str) for line in lines)
+
+    def test_deduplicate_entries(self):
+        generator = GitignoreGenerator()
+        entries = ["*.pyc", "*.pyc", "__pycache__", "__pycache__"]
+        result = generator.deduplicate_entries(entries)
+        assert len(result) == 2
+        assert "*.pyc" in result
+        assert "__pycache__" in result
+
+    def test_deduplicate_entries_with_comments(self):
+        generator = GitignoreGenerator()
+        entries = ["*.pyc", "*.pyc"]
+        comments = ["# PYTHON", "# PYTHON"]
+        result = generator.deduplicate_entries(entries, comments)
+        assert len(result) == 3
+        assert result[0] == "# PYTHON"
+        assert "*.pyc" in result
+
+    def test_generate_empty(self):
+        generator = GitignoreGenerator()
+        content = generator.generate()
+        assert content == ""
+
+    def test_generate_single_template(self):
+        generator = GitignoreGenerator()
+        generator.add_template("python")
+        content = generator.generate()
+        assert content is not None
+        assert len(content) > 0
+        assert "__pycache__" in content
+
+    def test_generate_multiple_templates(self):
+        generator = GitignoreGenerator()
+        generator.add_template("python")
+        generator.add_template("vscode")
+        content = generator.generate()
+        assert content is not None
+        assert len(content) > 0
+        assert "__pycache__" in content
+        assert ".vscode" in content
+
+    def test_generate_for_types(self):
+        generator = GitignoreGenerator()
+        content = generator.generate_for_types(["python", "javascript"])
+        assert content is not None
+        assert len(content) > 0
+
+    def test_get_available_templates(self):
+        generator = GitignoreGenerator()
+        templates = generator.get_available_templates()
+        assert isinstance(templates, list)
+        assert len(templates) > 0
+        assert "python" in templates
+        assert "javascript" in templates
+
+    def test_validate_template_type_valid(self):
+        generator = GitignoreGenerator()
+        assert generator.validate_template_type("python") is True
+        assert generator.validate_template_type("javascript") is True
+
+    def test_validate_template_type_invalid(self):
+        generator = GitignoreGenerator()
+        assert generator.validate_template_type("invalid") is False
+
+    def test_get_template_categories(self):
+        generator = GitignoreGenerator()
+        categories = generator.get_template_categories()
+        assert isinstance(categories, dict)
+        assert "language" in categories
+        assert "framework" in categories
+        assert "ide" in categories
+        assert "os" in categories
+        assert "tools" in categories
+
+    def test_template_map_complete(self):
+        generator = GitignoreGenerator()
+        for template_type, template_path in generator.TEMPLATE_MAP.items():
+            path = generator.template_dir / template_path
+            assert path.exists(), f"Template {template_type} not found at {path}"
+
+    def test_generate_ends_with_newline(self):
+        generator = GitignoreGenerator()
+        generator.add_template("python")
+        content = generator.generate()
+        assert content.endswith("\n") or content == ""
+
+    def test_generate_python_includes_virtual_env(self):
+        generator = GitignoreGenerator()
+        generator.add_template("python")
+        content = generator.generate()
+        assert "venv/" in content or ".venv/" in content
+
+    def test_generate_vscode_includes_workspace_settings(self):
+        generator = GitignoreGenerator()
+        generator.add_template("vscode")
+        content = generator.generate()
+        assert ".vscode" in content