ensure old route still returns json in same shape

app/email_branding/rest.py

@@ -21,13 +21,17 @@ register_errors(email_branding_blueprint)
 @email_branding_blueprint.route('', methods=['GET'])
 def get_email_branding_options():
     email_branding_options = [o.serialize() for o in dao_get_email_branding_options()]
+    key = 'organisations' if request.path.startswith('/organisation') else 'email_branding'
+    return jsonify(**{key: email_branding_options})
     return jsonify(email_branding=email_branding_options)
 
 
 @email_branding_blueprint.route('/<uuid:email_branding_id>', methods=['GET'])
 def get_email_branding_by_id(email_branding_id):
     email_branding = dao_get_email_branding_by_id(email_branding_id)
-    return jsonify(email_branding=email_branding.serialize())
+    # TODO: remove this switch after admin is updated to refer to email branding
+    key = 'organisation' if request.path.startswith('/organisation') else 'email_branding'
+    return jsonify(**{key: email_branding.serialize()})
 
 
 @email_branding_blueprint.route('', methods=['POST'])

tests/app/email_branding/test_rest.py

@@ -1,7 +1,11 @@
+import json
+
 import pytest
 
 from app.models import EmailBranding
 
+from tests import create_authorization_header
+
 
 def test_get_email_branding_options(admin_request, notify_db, notify_db_session):
     email_branding1 = EmailBranding(colour='#FFFFFF', logo='/path/image.png', name='Org1')
@@ -21,6 +25,29 @@ def test_get_email_branding_options(admin_request, notify_db, notify_db_session)
     }
 
 
+def test_get_email_branding_options_from_old_endpoint(client, notify_db, notify_db_session):
+    email_branding1 = EmailBranding(colour='#FFFFFF', logo='/path/image.png', name='Org1')
+    email_branding2 = EmailBranding(colour='#000000', logo='/path/other.png', name='Org2')
+    notify_db.session.add_all([email_branding1, email_branding2])
+    notify_db.session.commit()
+
+    response = client.get(
+        '/organisation',
+        headers=[create_authorization_header()]
+    )
+    assert response.status_code == 200
+    json_resp = json.loads(response.get_data(as_text=True))
+
+    email_branding = json_resp['organisations']
+
+    assert len(email_branding) == 2
+    assert {
+        email_branding['id'] for email_branding in email_branding
+    } == {
+        str(email_branding1.id), str(email_branding2.id)
+    }
+
+
 def test_get_email_branding_by_id(admin_request, notify_db, notify_db_session):
     email_branding = EmailBranding(colour='#FFFFFF', logo='/path/image.png', name='My Org')
     notify_db.session.add(email_branding)
@@ -39,6 +66,21 @@ def test_get_email_branding_by_id(admin_request, notify_db, notify_db_session):
     assert response['email_branding']['id'] == str(email_branding.id)
 
 
+def test_get_email_branding_by_id_from_old_endpoint(client, notify_db, notify_db_session):
+    email_branding = EmailBranding(colour='#FFFFFF', logo='/path/image.png', name='My Org')
+    notify_db.session.add(email_branding)
+    notify_db.session.commit()
+
+    response = client.get(
+        '/organisation/{}'.format(email_branding.id),
+        headers=[create_authorization_header()]
+    )
+    assert response.status_code == 200
+    json_resp = json.loads(response.get_data(as_text=True))
+
+    assert json_resp['organisation']['id'] == str(email_branding.id)
+
+
 def test_post_create_email_branding(admin_request, notify_db_session):
     data = {
         'name': 'test email_branding',