add PackageComaintainer SQLAlchemy ORM model

Signed-off-by: Kevin Morris <kevr@0cost.org>

test/test_package_comaintainer.py

@@ -0,0 +1,49 @@
+import pytest
+
+from sqlalchemy.exc import IntegrityError
+
+from aurweb.db import create, rollback
+from aurweb.models.package_base import PackageBase
+from aurweb.models.package_comaintainer import PackageComaintainer
+from aurweb.models.user import User
+from aurweb.testing import setup_test_db
+
+user = pkgbase = None
+
+
+@pytest.fixture(autouse=True)
+def setup():
+    global user, pkgbase
+
+    setup_test_db("Users", "PackageBases", "PackageComaintainers")
+
+    user = create(User, Username="test", Email="test@example.org",
+                  RealName="Test User", Passwd="testPassword")
+    pkgbase = create(PackageBase, Name="test-package", Maintainer=user)
+
+
+def test_package_comaintainer_creation():
+    package_comaintainer = create(PackageComaintainer, User=user, PackageBase=pkgbase,
+                                  Priority=5)
+    assert bool(package_comaintainer)
+    assert package_comaintainer.User == user
+    assert package_comaintainer.PackageBase == pkgbase
+    assert package_comaintainer.Priority == 5
+
+
+def test_package_comaintainer_null_user_raises_exception():
+    with pytest.raises(IntegrityError):
+        create(PackageComaintainer, PackageBase=pkgbase, Priority=1)
+    rollback()
+
+
+def test_package_comaintainer_null_pkgbase_raises_exception():
+    with pytest.raises(IntegrityError):
+        create(PackageComaintainer, User=user, Priority=1)
+    rollback()
+
+
+def test_package_comaintainer_null_priority_raises_exception():
+    with pytest.raises(IntegrityError):
+        create(PackageComaintainer, User=user, PackageBase=pkgbase)
+    rollback()