feat(test): add the pytest-cases package and a simple example of how to use it (#873)

Author: jenstroeger

pyproject.toml

@@ -61,8 +61,10 @@ hooks = [
 ]
 # Note that the `custom_exit_code` and `env` plugins may currently be unmaintained.
 test = [
+    "faker ==35.0.0",
     "hypothesis >=6.21.0,<6.122.8",
     "pytest >=7.2.0,<9.0.0",
+    "pytest-cases ==3.8.6",
     "pytest-custom_exit_code ==0.3.0",
     "pytest-cov ==6.0.0",
     "pytest-doctestplus ==1.3.0",

tests/test_something.py

@@ -1,11 +1,24 @@
 """Test the Something module. Add more tests here, as needed."""
 
+import faker
 from hypothesis import given, strategies
+from pytest_cases import parametrize_with_cases
 
 from package.something import Something
 
 
 @given(strategies.booleans())
-def test_something(boolean: bool) -> None:
-    """Test something here."""
+def test_something_hypothesis(boolean: bool) -> None:
+    """Test something here using Hypothesis."""
+    assert Something.do_something(boolean) is True
+
+
+def _case_boolean() -> bool:
+    fake = faker.Faker()
+    return fake.pybool()
+
+
+@parametrize_with_cases("boolean", cases=_case_boolean)
+def test_something_cases(boolean: bool) -> None:
+    """Test something here using Cases and Faker."""
     assert Something.do_something(boolean) is True