Initial upload: PatternForge CLI tool with pattern detection and boilerplate generation

tests/test_generator.py

@@ -0,0 +1,91 @@
+import tempfile
+from pathlib import Path
+
+from patternforge.config import Config
+from patternforge.generator import BoilerplateGenerator
+from patternforge.template import TemplateManager
+
+
+class TestBoilerplateGenerator:
+    def setup_method(self) -> None:
+        self.config = Config()
+        self.tmpdir = tempfile.TemporaryDirectory()
+
+    def teardown_method(self) -> None:
+        self.tmpdir.cleanup()
+
+    def test_generate_basic_file(self) -> None:
+        pattern_file = Path(self.tmpdir.name) / "patterns.yaml"
+        pattern_file.write_text(
+            """
+language: python
+summary:
+  primary_naming: snake_case
+"""
+        )
+        manager = TemplateManager(self.config)
+        manager.create_template("gen-test", str(pattern_file))
+
+        generator = BoilerplateGenerator(self.config)
+        output_dir = Path(self.tmpdir.name) / "output"
+        files = generator.generate("gen-test", str(output_dir), entity_name="MyFeature")
+        assert len(files) == 1
+        assert files[0].name == "MyFeature.py"
+        assert files[0].exists()
+
+    def test_generate_with_data_file(self) -> None:
+        pattern_file = Path(self.tmpdir.name) / "patterns.yaml"
+        pattern_file.write_text(
+            """
+language: python
+summary:
+  primary_naming: snake_case
+"""
+        )
+        manager = TemplateManager(self.config)
+        manager.create_template("data-test", str(pattern_file))
+
+        data_file = Path(self.tmpdir.name) / "data.json"
+        data_file.write_text('{"class_name": "CustomClass"}')
+
+        generator = BoilerplateGenerator(self.config)
+        output_dir = Path(self.tmpdir.name) / "output2"
+        files = generator.generate(
+            "data-test", str(output_dir), data_file=str(data_file), entity_name="DataFeature"
+        )
+        assert len(files) == 1
+        content = files[0].read_text()
+        assert "CustomClass" in content
+
+    def test_snake_case_conversion(self) -> None:
+        generator = BoilerplateGenerator(self.config)
+        assert generator._to_snake_case("MyClassName") == "my_class_name"
+        assert generator._to_snake_case("CamelCase") == "camel_case"
+
+    def test_camel_case_conversion(self) -> None:
+        generator = BoilerplateGenerator(self.config)
+        assert generator._to_camel_case("my_function") == "myFunction"
+        assert generator._to_camel_case("UPPERCASE") == "uppercase"
+
+    def test_pascal_case_conversion(self) -> None:
+        generator = BoilerplateGenerator(self.config)
+        assert generator._to_pascal_case("my_class") == "MyClass"
+        assert generator._to_pascal_case("my_function") == "MyFunction"
+
+    def test_generate_multiple(self) -> None:
+        pattern_file = Path(self.tmpdir.name) / "patterns.yaml"
+        pattern_file.write_text(
+            """
+language: python
+summary:
+  primary_naming: snake_case
+"""
+        )
+        manager = TemplateManager(self.config)
+        manager.create_template("multi-test", str(pattern_file))
+
+        generator = BoilerplateGenerator(self.config)
+        output_dir = Path(self.tmpdir.name) / "output3"
+        entities = [{"name": "Feature1"}, {"name": "Feature2"}]
+        files = generator.generate_multiple("multi-test", str(output_dir), entities)
+        assert len(files) == 2