1 files changed, 103 insertions, 0 deletions
diff --git a/spec/frontend/lib/utils/confirm_via_gl_modal/confirm_action_spec.js b/spec/frontend/lib/utils/confirm_via_gl_modal/confirm_action_spec.js
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+++ b/spec/frontend/lib/utils/confirm_via_gl_modal/confirm_action_spec.js
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+import Vue, { nextTick } from 'vue';
+import { createWrapper } from '@vue/test-utils';
+import { setHTMLFixture, resetHTMLFixture } from 'helpers/fixtures';
+import { confirmAction } from '~/lib/utils/confirm_via_gl_modal/confirm_action';
+import ConfirmModal from '~/lib/utils/confirm_via_gl_modal/confirm_modal.vue';
+
+const originalMount = Vue.prototype.$mount;
+
+describe('confirmAction', () => {
+  let modalWrapper;
+  let confirActionPromise;
+  let modal;
+
+  const findConfirmModal = () => modalWrapper.findComponent(ConfirmModal);
+  const renderRootComponent = async (message, opts) => {
+    confirActionPromise = confirmAction(message, opts);
+    // We have to wait for two ticks here.
+    // The first one is to wait for rendering of the root component
+    // The second one to wait for rendering of the dynamically
+    // loaded confirm-modal component
+    await nextTick();
+    await nextTick();
+    modal = findConfirmModal();
+  };
+  const mockMount = (vm, el) => {
+    originalMount.call(vm, el);
+    modalWrapper = createWrapper(vm);
+    return vm;
+  };
+
+  beforeEach(() => {
+    setHTMLFixture('<div id="component"></div>');
+    const el = document.getElementById('component');
+    // We mock the implementation only once to make sure that we mock
+    // it only for the root component in confirm_action.
+    // Mounting other components (like confirm-modal) should not be affected with
+    // this mock
+    jest.spyOn(Vue.prototype, '$mount').mockImplementationOnce(function mock() {
+      return mockMount(this, el);
+    });
+  });
+
+  afterEach(() => {
+    resetHTMLFixture();
+    Vue.prototype.$mount.mockRestore();
+    modalWrapper?.destroy();
+    modalWrapper = null;
+    modal?.destroy();
+    modal = null;
+  });
+
+  it('creats a ConfirmModal with message as slot', async () => {
+    const message = 'Bonjour le monde!';
+    await renderRootComponent(message);
+
+    expect(modal.vm.$slots.default[0].text).toBe(message);
+  });
+
+  it('creats a ConfirmModal with props', async () => {
+    const options = {
+      primaryBtnText: 'primaryBtnText',
+      primaryBtnVariant: 'info',
+      secondaryBtnText: 'secondaryBtnText',
+      secondaryBtnVariant: 'success',
+      cancelBtnText: 'cancelBtnText',
+      cancelBtnVariant: 'danger',
+      modalHtmlMessage: '<strong>Hello</strong>',
+      title: 'title',
+      hideCancel: true,
+    };
+    await renderRootComponent('', options);
+    expect(modal.props()).toEqual(
+      expect.objectContaining({
+        primaryText: options.primaryBtnText,
+        primaryVariant: options.primaryBtnVariant,
+        secondaryText: options.secondaryBtnText,
+        secondaryVariant: options.secondaryBtnVariant,
+        cancelText: options.cancelBtnText,
+        cancelVariant: options.cancelBtnVariant,
+        modalHtmlMessage: options.modalHtmlMessage,
+        title: options.title,
+        hideCancel: options.hideCancel,
+      }),
+    );
+  });
+
+  it('resolves promise when modal emit `closed`', async () => {
+    await renderRootComponent('');
+
+    modal.vm.$emit('closed');
+
+    await expect(confirActionPromise).resolves.toBe(false);
+  });
+
+  it('confirms when modal emit `confirmed` before `closed`', async () => {
+    await renderRootComponent('');
+
+    modal.vm.$emit('confirmed');
+    modal.vm.$emit('closed');
+
+    await expect(confirActionPromise).resolves.toBe(true);
+  });
+});