Add user dao method to update a single user attr

app/dao/users_dao.py

@@ -7,18 +7,26 @@ from app import db
 from app.models import (User, VerifyCode)
 
 
+def _remove_values_for_keys_if_present(dict, keys):
+    for key in keys:
+        dict.pop(key, None)
+
+
 def create_secret_code():
     return ''.join(map(str, random.sample(range(9), 5)))
 
 
+def save_user_attribute(usr, update_dict={}):
+    db.session.query(User).filter_by(id=usr.id).update(update_dict)
+    db.session.commit()
+
+
 def save_model_user(usr, update_dict={}, pwd=None):
     if pwd:
         usr.password = pwd
         usr.password_changed_at = datetime.utcnow()
     if update_dict:
-        if update_dict.get('id'):
+        _remove_values_for_keys_if_present(update_dict, ['id', 'password_changed_at'])
-            del update_dict['id']
-            update_dict.pop('password_changed_at')
         db.session.query(User).filter_by(id=usr.id).update(update_dict)
     else:
         db.session.add(usr)
@@ -74,7 +82,7 @@ def delete_user_verify_codes(user):
     db.session.commit()
 
 
-def get_model_users(user_id=None):
+def get_user_by_id(user_id=None):
     if user_id:
         return User.query.filter_by(id=user_id).one()
     return User.query.filter_by().all()

tests/app/dao/test_users_dao.py

@@ -7,12 +7,13 @@ import pytest
 
 from app.dao.users_dao import (
     save_model_user,
-    get_model_users,
+    save_user_attribute,
+    get_user_by_id,
     delete_model_user,
     increment_failed_login_count,
     reset_failed_login_count,
     get_user_by_email,
-    delete_codes_older_created_more_than_a_day_ago
+    delete_codes_older_created_more_than_a_day_ago,
 )
 
 from tests.app.conftest import sample_user as create_sample_user
@@ -37,13 +38,13 @@ def test_create_user(notify_api, notify_db, notify_db_session):
 
 def test_get_all_users(notify_api, notify_db, notify_db_session, sample_user):
     assert User.query.count() == 1
-    assert len(get_model_users()) == 1
+    assert len(get_user_by_id()) == 1
     email = "another.notify@digital.cabinet-office.gov.uk"
     another_user = create_sample_user(notify_db,
                                       notify_db_session,
                                       email=email)
     assert User.query.count() == 2
-    assert len(get_model_users()) == 2
+    assert len(get_user_by_id()) == 2
 
 
 def test_get_user(notify_api, notify_db, notify_db_session):
@@ -51,12 +52,12 @@ def test_get_user(notify_api, notify_db, notify_db_session):
     another_user = create_sample_user(notify_db,
                                       notify_db_session,
                                       email=email)
-    assert get_model_users(user_id=another_user.id).email_address == email
+    assert get_user_by_id(user_id=another_user.id).email_address == email
 
 
 def test_get_user_not_exists(notify_api, notify_db, notify_db_session, fake_uuid):
     try:
-        get_model_users(user_id=fake_uuid)
+        get_user_by_id(user_id=fake_uuid)
         pytest.fail("NoResultFound exception not thrown.")
     except NoResultFound as e:
         pass
@@ -64,7 +65,7 @@ def test_get_user_not_exists(notify_api, notify_db, notify_db_session, fake_uuid
 
 def test_get_user_invalid_id(notify_api, notify_db, notify_db_session):
     try:
-        get_model_users(user_id="blah")
+        get_user_by_id(user_id="blah")
         pytest.fail("DataError exception not thrown.")
     except DataError:
         pass
@@ -131,3 +132,17 @@ def make_verify_code(user, age=timedelta(hours=0), code="12335"):
     )
     db.session.add(verify_code)
     db.session.commit()
+
+
+@pytest.mark.parametrize('user_attribute, user_value', [
+    ('name', 'New User'),
+    ('email_address', 'newuser@mail.com'),
+    ('mobile_number', '+4407700900460')
+])
+def test_update_user_attribute(client, sample_user, user_attribute, user_value):
+    assert getattr(sample_user, user_attribute) != user_value
+    update_dict = {
+        user_attribute: user_value
+    }
+    save_user_attribute(sample_user, update_dict)
+    assert getattr(sample_user, user_attribute) == user_value