Add jQuery matchers to Jest

1 files changed, 8 insertions, 0 deletions

diff --git a/spec/frontend/test_setup.js b/spec/frontend/test_setup.js
index 1e3c28e25eb..f09bcb5407e 100644
--- a/spec/frontend/test_setup.js
+++ b/spec/frontend/test_setup.js
@@ -1,4 +1,5 @@
 import Vue from 'vue';
+import * as jqueryMatchers from 'custom-jquery-matchers';
 import Translate from '~/vue_shared/translate';
 import axios from '~/lib/utils/axios_utils';
 import { initializeTestTimeout } from './helpers/timeout';
@@ -44,3 +45,10 @@ Object.assign(global, {
   preloadFixtures() {},
   setFixtures: setHTMLFixture,
 });
+
+// custom-jquery-matchers was written for an old Jest version, we need to make it compatible
+Object.entries(jqueryMatchers).forEach(([matcherName, matcherFactory]) => {
+  expect.extend({
+    [matcherName]: matcherFactory().compare,
+  });
+});