feat(cinder-understack): wire up tests like upstream

We'll want to leverage upstream tests so we need to wire them up using
the same libraries they use.

Author: cardoe

.github/workflows/code-test.yaml

@@ -53,7 +53,13 @@ jobs:
           python-version-file: python/${{ matrix.project }}/pyproject.toml
       - run: uv sync
       - run: uv build --wheel
-      - run: "uv run pytest --cov --cov-report xml:coverage.xml"
+      - run: |
+          set -e
+          if [ -e .stestr.conf ]; then
+            uv run stestr run
+          else
+            uv run pytest --cov --cov-report xml:coverage.xml
+          fi
       - uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
         with:
           name: coverage-${{ matrix.project }}

python/cinder-understack/.gitignore

@@ -0,0 +1 @@
+.stestr/

python/cinder-understack/.stestr.conf

@@ -0,0 +1,3 @@
+[DEFAULT]
+test_path=${OS_TEST_PATH:-./cinder_understack/tests}
+top_dir=./

python/cinder-understack/cinder_understack/tests/test_noop.py

@@ -1,2 +1,6 @@
-def test_noop():
-    pass
+from cinder.tests.unit import test
+
+
+class NoopTestCase(test.TestCase):
+    def test_noop(self):
+        pass

python/cinder-understack/pyproject.toml

@@ -24,17 +24,19 @@ classifiers = [
     "Programming Language :: Python :: 3.10",
 ]
 dependencies = [
+  "cinder>=25.0.0,<26",
+  "oslo.utils>=6.0.0,<8"
 ]
 
 [project.urls]
 Source = "https://github.com/rackerlabs/understack"
 
 [dependency-groups]
 test = [
-    "pytest>=8.3.2,<9",
-    "pytest-cov>=6.2.1,<7",
-    "pytest-mock>=3.14.0,<4",
-]
+    "ddt>=1.4.4",
+    "fixtures>=3.0.0",
+    "stestr>=3.2.1",
+ ]
 
 [tool.uv]
 default-groups = ["test"]