Python mocking

.github/workflows/python-uv-ci.yml

@@ -14,6 +14,6 @@ jobs:
         with:
           # Install a specific version of uv.
           version: "0.9.6"
-      - name: Run tests
+      - name: Run Python Example Tests
         # For example, using `pytest`
-        run: uv run --directory python/python-examples pytest
+        run: uv run --directory python/python-examples pytest

python/python-examples/pyproject.toml

@@ -17,6 +17,7 @@ dependencies = [
 dev = [
     "pytest",
     "polyfactory",
+    "requests",
     "httpx"
 ]
 

python/python-examples/test/test_mocking_python.py

@@ -0,0 +1,60 @@
+"""Test mocking with python."""
+import logging as log
+import pytest
+from unittest.mock import patch
+from datetime import date
+import requests
+
+FAKE_RESULTS = None
+
+def get_dune_character():
+    """ Singleton function to get dune character(s)"""
+    global FAKE_RESULTS
+    if FAKE_RESULTS is None:
+        # Retrieve results
+        log.info("Attempting request")
+        FAKE_RESULTS = requests.get("http://fakeurl.com/names")
+
+    return FAKE_RESULTS
+
+
+@patch("requests.get")
+def test_unittest_singleton(mock_request):
+    """Example mocking using"""
+    x_return_value = ["Leto Atreides"]
+    mock_request.return_value = x_return_value
+    results = get_dune_character()
+    log.info(f"Results {results}")
+    assert x_return_value == results
+
+
+@pytest.mark.xfail
+@patch("requests.get")
+def test_unittest_singleton_second_call(mock_request):
+    """ Example mocking singleton second call that should fail because singleton already loaded. """
+    x_return_value = ["Paul Atreides", "Leto Atreides"]
+    mock_request.return_value = x_return_value
+    results = get_dune_character()
+    assert x_return_value == results
+
+
+# You can use `autouse` here to make this happen automatically
+@pytest.fixture(autouse=False)
+def reload_module():
+    import importlib
+    import test_mocking_python
+    importlib.reload(test_mocking_python)
+
+
+@pytest.mark.parametrize("x_return_value", [
+    (["Paul Atreides", "Leto Atreides"]),
+    (["Sir Duncan Idaho"]),
+    (["Lady Jessica"]),
+    (["Feyd-Rautha Harkonnen"])
+])
+@patch("requests.get")
+def test_unittest_singleton_reload(mock_request, reload_module, x_return_value):
+    """ Example mocking singleton second call reload """
+    mock_request.return_value = x_return_value
+    results = get_dune_character()
+    assert x_return_value == results