Charting extension integration tests (#5547)

* initial proposal for integration tests on the charting extension

* int tests for charting generation

* python generator

* ruff

* boilerplate templates

* python tests

* tests for the api

* using body instead so data don't get redefined

* unit tests for coverage

* ruff

* docstrings

* unnecessary access to keys()

openbb_platform/extensions/tests/test_integration_tests_python.py

@@ -1,4 +1,6 @@
 """Test the integration tests."""
+from openbb_core.app.charting_service import ChartingService
+
 from extensions.tests.utils.integration_tests_testers import (
     check_missing_integration_test_params,
     check_missing_integration_test_providers,
@@ -24,3 +26,23 @@ def test_python_interface_integration_test_providers() -> None:
 def test_python_interface_integration_test_params() -> None:
     """Test if there are any missing params for integration tests."""
     run_test("python", check_missing_integration_test_params)
+
+
+def test_charting_extension_function_coverage() -> None:
+    """Test if all charting extension functions are covered by integration tests."""
+
+    functions = ChartingService.get_implemented_charting_functions()
+    test_names = [f"test_chart_{func}" for func in functions]
+    integration_tests_modules = get_integration_tests(
+        test_type="python", filter_charting_ext=False
+    )
+    charting_module = [
+        module for module in integration_tests_modules if "charting" in module.__name__
+    ]
+    integration_tests_functions = get_module_functions(charting_module)
+
+    missing_items = [
+        test for test in test_names if test not in integration_tests_functions
+    ]
+
+    assert missing_items == [], "\n".join(missing_items)