add a workflow to test changes

.github/workflows/test_changes.yml

@@ -0,0 +1,41 @@
+name: pybikes
+
+env:
+  PYBIKES_CYCLOCITY: ${{ secrets.PYBIKES_CYCLOCITY }}
+  PYBIKES_BYSYKKEL: ${{ secrets.PYBIKES_BYSYKKEL }}
+  PYBIKES_WEELO_CLIENT_ID: ${{ secrets.PYBIKES_WEELO_CLIENT_ID }}
+  PYBIKES_WEELO_CLIENT_SECRET: ${{ secrets.PYBIKES_WEELO_CLIENT_SECRET }}
+  PYBIKES_DEUTSCHEBAHN_CLIENT_ID: ${{ secrets.PYBIKES_DEUTSCHEBAHN_CLIENT_ID }}
+  PYBIKES_DEUTSCHEBAHN_CLIENT_SECRET: ${{ secrets.PYBIKES_DEUTSCHEBAHN_CLIENT_SECRET }}
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+jobs:
+  test:
+    run-name: Test instance changes on this branch
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: make install
+    - name: Test instance changes on this branch
+      run: make test-changes T_FLAGS+='-n 10 --json-report --json-report-file=report/report.json'
+    # Only run summary once
+    - name: summary
+      if: (success() || failure()) && matrix.python-version == '3.8'
+      run: |
+          make github-summary >> $GITHUB_STEP_SUMMARY

tests/conftest.py

@@ -2,3 +2,6 @@ def pytest_configure(config):
     config.addinivalue_line(
         "markers", "update: mark a test that uses network and might fail"
     )
+    config.addinivalue_line(
+        "markers", "changes: mark a test as a gen test about changes"
+    )

tests/test_changes.py

@@ -10,6 +10,7 @@
 import git
 import inspect
 
+from warnings import warn
 from importlib.util import spec_from_file_location, module_from_spec
 
 from pytest import mark
@@ -34,35 +35,43 @@ def is_system(obj):
     return True
 
 
-g = git.cmd.Git(os.getcwd())
-changed_files = g.diff('--name-only', 'master').splitlines()
-clss = set()
+def generate_tests_from_changes():
+    g = git.cmd.Git(os.getcwd())
+    changed_files = g.diff('--name-only', 'origin/master').splitlines()
+    clss = set()
 
 
-for file in changed_files:
-    if re.match(r'pybikes/data/.*\.json', file):
-        # Extract classes from json file
-        match = re.search(r'pybikes/data/(.*)\.json', file)
-        if not match:
-            continue
-        schema = match.group(1)
-        [clss.add(cls) for cls, _ in get_instances(schema)]
-    elif re.match(r'pybikes/.*\.py', file):
-        # Extract bike share classes from file
-        spec = spec_from_file_location('some.mod', file)
-        mod = module_from_spec(spec)
-        spec.loader.exec_module(mod)
-        systems = filter(lambda m: is_system(m[1]), inspect.getmembers(mod))
-        [clss.add(cls) for cls, _ in systems]
+    for file in changed_files:
+        if re.match(r'pybikes/data/.*\.json', file):
+            # Extract classes from json file
+            match = re.search(r'pybikes/data/(.*)\.json', file)
+            if not match:
+                continue
+            schema = match.group(1)
+            [clss.add(cls) for cls, _ in get_instances(schema)]
+        elif re.match(r'pybikes/.*\.py', file):
+            # Extract bike share classes from file
+            spec = spec_from_file_location('some.mod', file)
+            mod = module_from_spec(spec)
+            spec.loader.exec_module(mod)
+            systems = filter(lambda m: is_system(m[1]), inspect.getmembers(mod))
+            [clss.add(cls) for cls, _ in systems]
 
 
+    for cls in sorted(clss):
+        test_cls = get_test_cls(cls)
+        test_cls = mark.changes(test_cls)
+        # decorate with pytest mark
+        globals()[test_cls.__name__] = test_cls
+
+
+# non-optimal not-required
+try:
+    generate_tests_from_changes()
+except Exception as e:
+    warn("Failed generating tests from branch changes: " + str(e))
+
 # Force pytest to succeed when no tests are marked with 'changes'
 @mark.changes
 def test_dummy():
     assert True
-
-for cls in sorted(clss):
-    test_cls = get_test_cls(cls)
-    test_cls = mark.changes(test_cls)
-    # decorate with pytest mark
-    globals()[test_cls.__name__] = test_cls