diff --git a/tests/test_generate.py b/tests/test_generate.py
new file mode 100644
index 0000000..2d725d4
--- /dev/null
+++ b/tests/test_generate.py
@@ -0,0 +1,87 @@
+import pytest
+from pathlib import Path
+import tempfile
+import json
+
+from config_auditor.generate import ConfigGenerator
+
+
+class TestConfigGenerator:
+    def test_detect_node_project(self):
+        with tempfile.TemporaryDirectory() as tmpdir:
+            (Path(tmpdir) / "package.json").write_text('{"name": "test"}')
+
+            generator = ConfigGenerator()
+            result = generator.detect_project_type(Path(tmpdir))
+
+            assert result == "node"
+
+    def test_detect_python_project(self):
+        with tempfile.TemporaryDirectory() as tmpdir:
+            (Path(tmpdir) / "pyproject.toml").write_text('[tool.poetry]\nname = "test"')
+
+            generator = ConfigGenerator()
+            result = generator.detect_project_type(Path(tmpdir))
+
+            assert result == "python"
+
+    def test_detect_typescript_project(self):
+        with tempfile.TemporaryDirectory() as tmpdir:
+            (Path(tmpdir) / "tsconfig.json").write_text('{"compilerOptions": {}}')
+
+            generator = ConfigGenerator()
+            result = generator.detect_project_type(Path(tmpdir))
+
+            assert result == "typescript"
+
+    def test_detect_from_source_files(self):
+        with tempfile.TemporaryDirectory() as tmpdir:
+            src = Path(tmpdir) / "src"
+            src.mkdir()
+            (src / "main.ts").write_text("const x = 1;")
+
+            generator = ConfigGenerator()
+            result = generator.detect_project_type(Path(tmpdir))
+
+            assert result == "typescript"
+
+    def test_generate_from_node_template(self):
+        generator = ConfigGenerator()
+        config = generator.generate_from_template("node", Path("/tmp"))
+
+        assert "name" in config
+        assert "version" in config
+        assert "scripts" in config
+        assert "test" in config["scripts"]
+
+    def test_generate_from_python_template(self):
+        generator = ConfigGenerator()
+        config = generator.generate_from_template("python", Path("/tmp"))
+
+        assert "tool" in config
+        assert "poetry" in config["tool"]
+
+    def test_generate_from_typescript_template(self):
+        generator = ConfigGenerator()
+        config = generator.generate_from_template("typescript", Path("/tmp"))
+
+        assert "compilerOptions" in config
+        assert config["compilerOptions"]["strict"] is True
+
+    def test_analyze_project(self):
+        with tempfile.TemporaryDirectory() as tmpdir:
+            (Path(tmpdir) / "package.json").write_text('{"name": "test"}')
+            (Path(tmpdir) / "index.js").write_text("console.log('test');")
+
+            generator = ConfigGenerator()
+            result = generator.analyze_project(Path(tmpdir))
+
+            assert result["type"] == "node"
+            assert "package.json" in result["files"]
+            assert "index.js" in result["files"]
+
+    def test_unknown_template_raises_error(self):
+        generator = ConfigGenerator()
+
+        with pytest.raises(ValueError):
+            generator.generate_from_template("unknown", Path("/tmp"))