test: add dev stack integration checks

tests/test_neo4j_users.py

@@ -0,0 +1,34 @@
+import os
+
+from neo4j import GraphDatabase
+
+
+def test_cc_users_database_is_populated_from_seed_profiles():
+    url = os.getenv('APP_BOLT_URL')
+    user = os.getenv('USER_NEO4J')
+    password = os.getenv('PASSWORD_NEO4J')
+    assert url and user and password
+    with GraphDatabase.driver(url, auth=(user, password)) as driver:
+        with driver.session(database='cc.users') as session:
+            result = session.run('''
+                CALL { MATCH (u:User) RETURN count(u) AS users }
+                CALL { MATCH (u:User {user_type: 'teacher'}) RETURN count(u) AS teachers }
+                CALL { MATCH (u:User {user_type: 'student'}) RETURN count(u) AS students }
+                CALL { MATCH (:User)-[r:MEMBER_OF]->(:Institute) RETURN count(r) AS memberships }
+                CALL { MATCH (i:Institute) RETURN count(i) AS institutes }
+                CALL {
+                  MATCH (bad:User)
+                  WHERE bad.uuid_string IS NULL OR bad.user_email IS NULL OR bad.cc_username IS NULL
+                     OR bad.user_type IS NULL OR bad.user_name IS NULL OR bad.user_db_name IS NULL
+                  RETURN count(bad) AS bad_users
+                }
+                RETURN users, teachers, students, memberships, institutes, bad_users
+            ''').single()
+    assert dict(result) == {
+        'users': 21,
+        'teachers': 15,
+        'students': 6,
+        'memberships': 21,
+        'institutes': 2,
+        'bad_users': 0,
+    }