Add a basic test and ci

Author: davegaeddert

.github/workflows/test.yml

@@ -0,0 +1,22 @@
+name: test
+
+on: [push]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - run: pipx install poetry
+    - uses: actions/setup-python@v4
+      with:
+        python-version: "3.11"
+        cache: poetry
+    - run: poetry install
+    - run: |
+        poetry run plain compile
+        poetry run plain test
+      env:
+        PLAIN_DEBUG: true
+        PLAIN_SECRET_KEY: testing

app/tests/__init__.py

@@ -0,0 +1,3 @@
+def test_homepage_exists(client):
+    response = client.get("/")
+    assert response.status_code in (200, 301, 302)

app/tests/test_urls.py

@@ -10,6 +10,7 @@ plainframework = "<1.0.0"
 
 [tool.poetry.group.dev.dependencies]
 "plain.dev" = "<1.0.0"
+"plain.pytest" = "<1.0.0"
 
 [build-system]
 requires = ["poetry-core"]