from gitignore_generator.template_loader import template_loader, TemplateLoader


class TestTemplateLoader:
    def test_get_available_templates(self):
        templates = template_loader.get_available_templates()
        assert len(templates) > 0
        assert "python" in templates

    def test_get_available_templates_by_category(self):
        templates = template_loader.get_available_templates("languages")
        assert len(templates) > 0
        assert "python" in templates

    def test_get_templates_by_category(self):
        by_cat = template_loader.get_templates_by_category()
        assert "languages" in by_cat
        assert "ides" in by_cat
        assert len(by_cat["languages"]) > 0

    def test_get_template_content(self):
        content = template_loader.get_template_content("python")
        assert content is not None
        assert "__pycache__" in content

    def test_get_template_content_nonexistent(self):
        content = template_loader.get_template_content("nonexistent12345")
        assert content is None

    def test_template_exists(self):
        assert template_loader.template_exists("python")
        assert not template_loader.template_exists("nonexistent12345")

    def test_search_templates(self):
        results = template_loader.search_templates("python")
        assert len(results) > 0
        assert "python" in results

    def test_search_templates_no_results(self):
        results = template_loader.search_templates("nonexistent12345")
        assert len(results) == 0

    def test_merge_templates(self):
        merged = template_loader.merge_templates(["python", "vscode"])
        assert "__pycache__" in merged
        assert ".vscode" in merged

    def test_init_template_loader(self):
        loader = TemplateLoader()
        assert loader._templates_index is None
        assert loader._custom_templates == {}