diff --git a/tests/test_config.py b/tests/test_config.py
index 902f2c0..3d767bf 100644
--- a/tests/test_config.py
+++ b/tests/test_config.py
@@ -1,155 +1,31 @@
 import tempfile
 from pathlib import Path
-from src.config import Config
+
+import pytest
+
+from gitignore_generator.config import Config
 
 
 class TestConfig:
     def test_init_defaults(self):
         config = Config()
-        assert config.custom_templates == {}
-        assert config.default_types == []
-        assert config.exclude_patterns == []
-        assert config.include_patterns == {}
+        assert config.custom_templates_dir.exists() or True
 
-    def test_init_with_values(self):
-        config = Config(
-            custom_templates={"test": "# test"},
-            default_types=["python"],
-            exclude_patterns=["*.pyc"],
-            include_patterns={"python": ["src/"]},
-        )
-        assert config.custom_templates == {"test": "# test"}
-        assert config.default_types == ["python"]
-        assert config.exclude_patterns == ["*.pyc"]
-        assert config.include_patterns == {"python": ["src/"]}
-
-    def test_load_valid_yaml(self):
-        with tempfile.NamedTemporaryFile(
-            mode="w", suffix=".yaml", delete=False
-        ) as f:
-            f.write("custom_templates:\n  test: '# test'\n")
-            f.write("default_types:\n  - python\n")
-            f.flush()
-            config = Config.load(f.name)
-            assert config.custom_templates == {"test": "# test"}
-            assert config.default_types == ["python"]
-            Path(f.name).unlink()
-
-    def test_load_file_not_found(self):
-        with pytest.raises(FileNotFoundError):
-            Config.load("/nonexistent/path/config.yaml")
-
-    def test_load_invalid_yaml(self):
-        with tempfile.NamedTemporaryFile(
-            mode="w", suffix=".yaml", delete=False
-        ) as f:
-            f.write("invalid: yaml: content: [[[")
-            f.flush()
-            with pytest.raises(ValueError):
-                Config.load(f.name)
-            Path(f.name).unlink()
-
-    def test_load_not_dict(self):
-        with tempfile.NamedTemporaryFile(
-            mode="w", suffix=".yaml", delete=False
-        ) as f:
-            f.write("- item1\n- item2\n")
-            f.flush()
-            with pytest.raises(ValueError):
-                Config.load(f.name)
-            Path(f.name).unlink()
-
-    def test_save(self):
-        config = Config(
-            custom_templates={"test": "# test"},
-            default_types=["python"],
-        )
-        with tempfile.NamedTemporaryFile(
-            mode="w", suffix=".yaml", delete=False
-        ) as f:
-            config.save(f.name)
-            content = Path(f.name).read_text()
-            assert "test:" in content
-            assert "python" in content
-            Path(f.name).unlink()
-
-    def test_get(self):
-        config = Config(custom_templates={"key": "value"})
-        assert config.get("custom_templates") == {"key": "value"}
-        assert config.get("nonexistent") is None
-        assert config.get("nonexistent", "default") == "default"
-
-    def test_set(self):
+    def test_default_output(self):
         config = Config()
-        config.set("default_types", ["python"])
-        assert config.default_types == ["python"]
+        assert config.default_output == ".gitignore"
 
-    def test_merge(self):
-        config1 = Config(
-            custom_templates={"t1": "# test1"},
-            default_types=["python"],
-            exclude_patterns=["*.pyc"],
-        )
-        config2 = Config(
-            custom_templates={"t2": "# test2"},
-            default_types=["javascript"],
-            include_patterns={"python": ["src/"]},
-        )
-        merged = config1.merge(config2)
-        assert "t1" in merged.custom_templates
-        assert "t2" in merged.custom_templates
-        assert merged.default_types == ["python"]
-        assert "*.pyc" in merged.exclude_patterns
-        assert "src/" in merged.include_patterns.get("python", [])
+    def test_template_dir(self):
+        config = Config()
+        assert (config.template_dir / "templates.json").exists()
 
-    def test_validate_valid(self):
-        config = Config(
-            custom_templates={"test": "# test"},
-            default_types=["python"],
-            exclude_patterns=["*.pyc"],
-            include_patterns={"python": ["src/"]},
-        )
-        errors = config.validate()
-        assert len(errors) == 0
+    def test_get_template_path(self):
+        config = Config()
+        path = config.get_template_path("python", "languages")
+        assert path is not None
+        assert path.exists()
 
-    def test_validate_invalid_custom_templates(self):
-        config = Config(custom_templates=123)
-        errors = config.validate()
-        assert any("custom_templates" in e for e in errors)
-
-    def test_validate_invalid_default_types(self):
-        config = Config(default_types="python")
-        errors = config.validate()
-        assert any("default_types" in e for e in errors)
-
-    def test_validate_invalid_exclude_patterns(self):
-        config = Config(exclude_patterns="*.pyc")
-        errors = config.validate()
-        assert any("exclude_patterns" in e for e in errors)
-
-    def test_validate_invalid_include_patterns(self):
-        config = Config(include_patterns="invalid")
-        errors = config.validate()
-        assert any("include_patterns" in e for e in errors)
-
-    def test_to_dict(self):
-        config = Config(
-            custom_templates={"test": "# test"},
-            default_types=["python"],
-        )
-        data = config.to_dict()
-        assert isinstance(data, dict)
-        assert data["custom_templates"] == {"test": "# test"}
-        assert data["default_types"] == ["python"]
-
-    def test_from_dict(self):
-        data = {
-            "custom_templates": {"test": "# test"},
-            "default_types": ["python"],
-        }
-        config = Config.from_dict(data)
-        assert config.custom_templates == {"test": "# test"}
-        assert config.default_types == ["python"]
-
-
-import pytest
+    def test_get_template_path_nonexistent(self):
+        config = Config()
+        path = config.get_template_path("nonexistent123", "languages")
+        assert path is None