Completing full replication of test for #486

tests/test_issues/test_linkml_issue_486.py

@@ -0,0 +1,57 @@
+import unittest
+
+from linkml_runtime.linkml_model import SlotDefinition
+from linkml_runtime.loaders import yaml_loader
+from linkml_runtime.utils.compile_python import compile_python
+
+from linkml.generators.pythongen import PythonGenerator
+from tests.test_issues.environment import env
+from tests.utils.test_environment import TestEnvironmentTestCase
+from fastapi import FastAPI
+from fastapi.testclient import TestClient
+
+app = FastAPI()
+
+
+@app.get("/")
+async def read_main():
+    return {"msg": "Hello World"}
+
+
+@app.get("/linkml_slot/", response_model=SlotDefinition)
+async def linkml_slot(name: str):
+    slot = SlotDefinition(name, description='foo')
+    return slot
+
+client = TestClient(app)
+
+
+class FastAPICase(unittest.TestCase):
+
+    def test_fastapi_basic(self):
+        """
+        Test basic fastAPI functionality
+
+        Taken from https://fastapi.tiangolo.com/tutorial/testing/
+
+        This is expected to succeed
+        """
+        response = client.get("/")
+        assert response.status_code == 200
+        assert response.json() == {"msg": "Hello World"}
+
+    def test_fastapi_with_linkml(self):
+        """
+        Test for https://github.com/linkml/linkml/issues/486
+
+        Currently fails with
+
+        ```
+        TypeError: non-default argument 'mixins' follows default argument
+        ```
+        """
+        response = client.get("/linkml_slot/")
+        assert response.status_code == 200
+
+if __name__ == '__main__':
+    unittest.main()