initial commit

app/code.py

@@ -0,0 +1,30 @@
+# coding: utf-8
+import logging
+
+from waffle import switch_is_active
+
+
+logger = logging.getLogger("app_tests")
+
+
+def simple(name: str) -> str:
+    name = name.replace(" ", "-")
+    name = name.lower()
+    return name
+
+
+def complex_function(x: int, y: int) -> int:
+    if switch_is_active("new_complex"):
+        return rewrite_complex_function(x, y)
+
+    return deprecated_complex_function(x, y)
+
+
+def rewrite_complex_function(x: int, y: int) -> int:
+    logger.info("rewrite complex")
+    return x * y
+
+
+def deprecated_complex_function(x: int, y: int) -> int:
+    logger.info("deprecated complex")
+    return x * y

app/tests.py

@@ -0,0 +1,25 @@
+# coding: utf-8
+import pytest
+from waffle.testutils import override_switch
+
+from app.code import simple, complex_function
+
+
+@pytest.mark.parametrize(
+    "name",
+    (
+        "foo bar",
+        "baz zab",
+        "1 2 3 4 5"
+   )
+)
+def test_simple(name):
+    assert " " not in simple(name)
+
+
+@pytest.mark.parametrize("switch", (True, False))
+@pytest.mark.django_db
+def test_complex_function(switch):
+    with override_switch("new_complex", active=switch):
+        assert complex_function(2, 2) == 4
+