1 files changed, 25 insertions, 3 deletions
diff --git a/spec/frontend/invite_members/utils/response_message_parser_spec.js b/spec/frontend/invite_members/utils/response_message_parser_spec.js
index 3c88b5a2418..e2cc87c8547 100644
--- a/spec/frontend/invite_members/utils/response_message_parser_spec.js
+++ b/spec/frontend/invite_members/utils/response_message_parser_spec.js
@@ -2,18 +2,20 @@ import {
   responseMessageFromSuccess,
   responseMessageFromError,
 } from '~/invite_members/utils/response_message_parser';
+import { membersApiResponse, invitationsApiResponse } from '../mock_data/api_responses';
 
 describe('Response message parser', () => {
-  const expectedMessage = 'expected display message';
+  const expectedMessage = 'expected display and message.';
 
   describe('parse message from successful response', () => {
     const exampleKeyedMsg = { 'email@example.com': expectedMessage };
+    const exampleFirstPartMultiple = 'username1: expected display and message.';
     const exampleUserMsgMultiple =
-      ' and username1: id not found and username2: email is restricted';
+      ' and username2: id not found and restricted email. and username3: email is restricted.';
 
     it.each([
       [[{ data: { message: expectedMessage } }]],
-      [[{ data: { message: expectedMessage + exampleUserMsgMultiple } }]],
+      [[{ data: { message: exampleFirstPartMultiple + exampleUserMsgMultiple } }]],
       [[{ data: { error: expectedMessage } }]],
       [[{ data: { message: [expectedMessage] } }]],
       [[{ data: { message: exampleKeyedMsg } }]],
@@ -33,4 +35,24 @@ describe('Response message parser', () => {
       expect(responseMessageFromError(errorResponse)).toBe(expectedMessage);
     });
   });
+
+  describe('displaying only the first error when a response has messages for multiple users', () => {
+    const expected =
+      "The member's email address is not allowed for this project. Go to the Admin area > Sign-up restrictions, and check Allowed domains for sign-ups.";
+
+    it.each([
+      [[{ data: membersApiResponse.MULTIPLE_USERS_RESTRICTED }]],
+      [[{ data: invitationsApiResponse.MULTIPLE_EMAIL_RESTRICTED }]],
+      [[{ data: invitationsApiResponse.EMAIL_RESTRICTED }]],
+    ])(`returns "${expectedMessage}" from success response: %j`, (restrictedResponse) => {
+      expect(responseMessageFromSuccess(restrictedResponse)).toBe(expected);
+    });
+
+    it.each([[{ response: { data: membersApiResponse.SINGLE_USER_RESTRICTED } }]])(
+      `returns "${expectedMessage}" from error response: %j`,
+      (singleRestrictedResponse) => {
+        expect(responseMessageFromError(singleRestrictedResponse)).toBe(expected);
+      },
+    );
+  });
 });