Make it possible to set the instance admin

tests/test_calsocial.py

@@ -17,9 +17,60 @@
 """General tests for Calendar.social
 """
 
+from flask import current_app
+
+import pytest
+
 def test_index_no_login(client):
     """Test the main page without logging in
     """
 
     page = client.get('/')
     assert b'Peek inside' in page.data
+
+
+def test_instance_adin_unset(database):
+    """Test the instance admin feature if the admin is not set
+    """
+
+    with pytest.warns(UserWarning, match=r'Instance admin is not set correctly \(value is None\)'):
+        assert current_app.instance_admin is None
+
+
+def test_instance_admin_bad_value(database):
+    """Test the instance admin feature if the value is invalid
+    """
+
+    from calsocial.models import AppState
+
+    AppState['instance_admin'] = 'value'
+
+    with pytest.warns(UserWarning, match=r'Instance admin is not set correctly \(value is value\)'):
+        assert current_app.instance_admin is None
+
+
+def test_instance_admin_doesnot_exist(database):
+    """Test the instance admin feature if the admin user does not exist
+    """
+
+    from calsocial.models import AppState
+
+    AppState['instance_admin'] = '0'
+
+    with pytest.warns(UserWarning, match=r'Instance admin is not set correctly \(value is 0\)'):
+        assert current_app.instance_admin is None
+
+
+def test_instance_admin(database):
+    """Test the instance admin feature if the admin user does not exist
+    """
+
+    from calsocial.models import db, AppState, User
+
+    user = User(username='admin')
+    db.session.add(user)
+    db.session.commit()
+
+    AppState['instance_admin'] = user.id
+
+    assert current_app.instance_admin == user