Enable CI builds with postgresql and mariadb

.github/workflows/test-docs.yml

@@ -10,10 +10,40 @@ jobs:
   build:
 
     runs-on: ubuntu-latest
+
+    # Use postgresql and MariaDB versions of Debian buster
+    services:
+      postgres:
+        image: postgres:11
+        ports:
+          - 5432:5432
+        env:
+          POSTGRES_USER: postgres
+          POSTGRES_PASSWORD: ihatemoney
+          POSTGRES_DB: ihatemoney_ci
+        options:
+          --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
+      mariadb:
+        image: mariadb:10.3
+        env:
+          MARIADB_ROOT_PASSWORD: ihatemoney
+          MARIADB_DATABASE: ihatemoney_ci
+        options: >-
+          --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
+        ports:
+          - 3306:3306
+
     strategy:
       fail-fast: false
       matrix:
         python-version: [3.6, 3.7, 3.8, 3.9]
+        database: [sqlite]
+        # Test other databases only with one version of Python (Debian buster has 3.7)
+        include:
+          - python-version: 3.7
+            database: postgresql
+          - python-version: 3.7
+            database: mariadb
 
     steps:
     - uses: actions/checkout@v2
@@ -25,9 +55,22 @@ jobs:
       run: |
         python -m pip install --upgrade pip
         python -m pip install tox
-    - name: Run Tox
     # Run tox using the version of Python in `PATH`
+    - name: Run Tox with sqlite
       run: tox -e py
+      if: matrix.database == 'sqlite'
+      env:
+        TESTING_SQLALCHEMY_DATABASE_URI: 'sqlite:///budget.db'
+    - name: Run Tox with postgresql
+      run: tox -e py
+      if: matrix.database == 'postgresql'
+      env:
+        TESTING_SQLALCHEMY_DATABASE_URI: 'postgresql+psycopg2://postgres:ihatemoney@localhost:5432/ihatemoney_ci'
+    - name: Run Tox with mariadb
+      run: tox -e py
+      if: matrix.database == 'mariadb'
+      env:
+        TESTING_SQLALCHEMY_DATABASE_URI: 'mysql+pymysql://root:ihatemoney@localhost:3306/ihatemoney_ci'
     - name: Run Lint & Docs
       run: tox -e lint_docs
       if: matrix.python-version == '3.8'

ihatemoney/tests/common/ihatemoney_testcase.py

@@ -1,3 +1,5 @@
+import os
+
 from flask_testing import TestCase
 from werkzeug.security import generate_password_hash
 
@@ -58,7 +60,9 @@ class BaseTestCase(TestCase):
 
 
 class IhatemoneyTestCase(BaseTestCase):
-    SQLALCHEMY_DATABASE_URI = "sqlite://"
+    SQLALCHEMY_DATABASE_URI = os.environ.get(
+        "TESTING_SQLALCHEMY_DATABASE_URI", "sqlite://"
+    )
     TESTING = True
     WTF_CSRF_ENABLED = False  # Simplifies the tests.
 

setup.cfg

@@ -51,6 +51,8 @@ dev =
     pytest>=5.4.1
     tox>=3.14.6
     zest.releaser>=6.20.1
+    psycopg2-binary>=2.8.5
+    PyMySQL>=0.9,<0.10
 
 doc =
     Sphinx==4.0.3

tox.ini

@@ -3,6 +3,7 @@ envlist = py39,py38,py37,py36,lint_docs
 skip_missing_interpreters = True
 
 [testenv]
+passenv = TESTING_SQLALCHEMY_DATABASE_URI
 
 commands =
     python --version