tests: Update unit tests in desktop

ui/desktop/tests/unit/services/origin-test.js

@@ -1,12 +1,27 @@
 import { module, test } from 'qunit';
 import { setupTest } from 'ember-qunit';
+import sinon from 'sinon';
 
 module('Unit | Service | origin', function (hooks) {
   setupTest(hooks);
 
-  // TODO: Replace this with your real tests.
-  test('it exists', function (assert) {
-    let service = this.owner.lookup('service:origin');
-    assert.ok(service);
+  let service, ipcService;
+
+  hooks.beforeEach(function () {
+    service = this.owner.lookup('service:origin');
+    ipcService = this.owner.lookup('service:ipc');
+  });
+
+  test('resets origin on error', async function (assert) {
+    assert.expect(4);
+    const ipcServiceStubbed = sinon.stub(ipcService, 'invoke');
+    await service.setOrigin(window.location.origin);
+    assert.equal(service.rendererOrigin, window.location.origin);
+    assert.equal(service.adapter.host, window.location.origin);
+    ipcServiceStubbed.withArgs('setOrigin').rejects();
+    service.setOrigin('invalid-origin').catch(() => {
+      assert.notOk(service.rendererOrigin);
+      assert.equal(service.adapter.host, window.location.origin);
+    });
   });
 });