Merge branch '61800-migrate-environment-rollback-tests-to-jest' into 'master'

Convert `spec/javascripts/environments/*rollback*` tests from Jasmine to Jest

Closes #61800

See merge request gitlab-org/gitlab-ce!31021

4 files changed, 164 insertions, 0 deletions

diff --git a/spec/frontend/environments/confirm_rollback_modal_spec.js b/spec/frontend/environments/confirm_rollback_modal_spec.js
new file mode 100644
index 00000000000..a1a22274e8f
--- /dev/null
+++ b/spec/frontend/environments/confirm_rollback_modal_spec.js
@@ -0,0 +1,70 @@
+import { shallowMount } from '@vue/test-utils';
+import { GlModal } from '@gitlab/ui';
+import ConfirmRollbackModal from '~/environments/components/confirm_rollback_modal.vue';
+import eventHub from '~/environments/event_hub';
+
+describe('Confirm Rollback Modal Component', () => {
+  let environment;
+
+  beforeEach(() => {
+    environment = {
+      name: 'test',
+      last_deployment: {
+        commit: {
+          short_id: 'abc0123',
+        },
+      },
+      modalId: 'test',
+    };
+  });
+
+  it('should show "Rollback" when isLastDeployment is false', () => {
+    const component = shallowMount(ConfirmRollbackModal, {
+      propsData: {
+        environment: {
+          ...environment,
+          isLastDeployment: false,
+        },
+      },
+    });
+    const modal = component.find(GlModal);
+
+    expect(modal.attributes('title')).toContain('Rollback');
+    expect(modal.attributes('title')).toContain('test');
+    expect(modal.attributes('ok-title')).toBe('Rollback');
+    expect(modal.text()).toContain('commit abc0123');
+    expect(modal.text()).toContain('Are you sure you want to continue?');
+  });
+
+  it('should show "Re-deploy" when isLastDeployment is true', () => {
+    const component = shallowMount(ConfirmRollbackModal, {
+      propsData: {
+        environment: {
+          ...environment,
+          isLastDeployment: true,
+        },
+      },
+    });
+    const modal = component.find(GlModal);
+
+    expect(modal.attributes('title')).toContain('Re-deploy');
+    expect(modal.attributes('title')).toContain('test');
+    expect(modal.attributes('ok-title')).toBe('Re-deploy');
+    expect(modal.text()).toContain('commit abc0123');
+    expect(modal.text()).toContain('Are you sure you want to continue?');
+  });
+
+  it('should emit the "rollback" event when "ok" is clicked', () => {
+    environment = { ...environment, isLastDeployment: true };
+    const component = shallowMount(ConfirmRollbackModal, {
+      propsData: {
+        environment,
+      },
+    });
+    const eventHubSpy = jest.spyOn(eventHub, '$emit');
+    const modal = component.find(GlModal);
+    modal.vm.$emit('ok');
+
+    expect(eventHubSpy).toHaveBeenCalledWith('rollbackEnvironment', environment);
+  });
+});
diff --git a/spec/frontend/environments/environment_rollback_spec.js b/spec/frontend/environments/environment_rollback_spec.js
new file mode 100644
index 00000000000..fb62a096c3d
--- /dev/null
+++ b/spec/frontend/environments/environment_rollback_spec.js
@@ -0,0 +1,53 @@
+import { shallowMount, mount } from '@vue/test-utils';
+import { GlButton } from '@gitlab/ui';
+import eventHub from '~/environments/event_hub';
+import RollbackComponent from '~/environments/components/environment_rollback.vue';
+
+describe('Rollback Component', () => {
+  const retryUrl = 'https://gitlab.com/retry';
+
+  it('Should render Re-deploy label when isLastDeployment is true', () => {
+    const wrapper = mount(RollbackComponent, {
+      propsData: {
+        retryUrl,
+        isLastDeployment: true,
+        environment: {},
+      },
+    });
+
+    expect(wrapper.element).toHaveSpriteIcon('repeat');
+  });
+
+  it('Should render Rollback label when isLastDeployment is false', () => {
+    const wrapper = mount(RollbackComponent, {
+      propsData: {
+        retryUrl,
+        isLastDeployment: false,
+        environment: {},
+      },
+    });
+
+    expect(wrapper.element).toHaveSpriteIcon('redo');
+  });
+
+  it('should emit a "rollback" event on button click', () => {
+    const eventHubSpy = jest.spyOn(eventHub, '$emit');
+    const wrapper = shallowMount(RollbackComponent, {
+      propsData: {
+        retryUrl,
+        environment: {
+          name: 'test',
+        },
+      },
+    });
+    const button = wrapper.find(GlButton);
+
+    button.vm.$emit('click');
+
+    expect(eventHubSpy).toHaveBeenCalledWith('requestRollbackEnvironment', {
+      retryUrl,
+      isLastDeployment: true,
+      name: 'test',
+    });
+  });
+});
diff --git a/spec/frontend/matchers.js b/spec/frontend/matchers.js
new file mode 100644
index 00000000000..35c362d0bf5
--- /dev/null
+++ b/spec/frontend/matchers.js
@@ -0,0 +1,38 @@
+export default {
+  toHaveSpriteIcon: (element, iconName) => {
+    if (!iconName) {
+      throw new Error('toHaveSpriteIcon is missing iconName argument!');
+    }
+
+    if (!(element instanceof HTMLElement)) {
+      throw new Error(`${element} is not a DOM element!`);
+    }
+
+    const iconReferences = [].slice.apply(element.querySelectorAll('svg use'));
+    const matchingIcon = iconReferences.find(reference =>
+      reference.getAttribute('xlink:href').endsWith(`#${iconName}`),
+    );
+
+    const pass = Boolean(matchingIcon);
+
+    let message;
+    if (pass) {
+      message = `${element.outerHTML} contains the sprite icon "${iconName}"!`;
+    } else {
+      message = `${element.outerHTML} does not contain the sprite icon "${iconName}"!`;
+
+      const existingIcons = iconReferences.map(reference => {
+        const iconUrl = reference.getAttribute('xlink:href');
+        return `"${iconUrl.replace(/^.+#/, '')}"`;
+      });
+      if (existingIcons.length > 0) {
+        message += ` (only found ${existingIcons.join(',')})`;
+      }
+    }
+
+    return {
+      pass,
+      message: () => message,
+    };
+  },
+};
diff --git a/spec/frontend/test_setup.js b/spec/frontend/test_setup.js
index 8b6f7802b15..df8a625319b 100644
--- a/spec/frontend/test_setup.js
+++ b/spec/frontend/test_setup.js
@@ -6,6 +6,7 @@ import { config as testUtilsConfig } from '@vue/test-utils';
 import { initializeTestTimeout } from './helpers/timeout';
 import { loadHTMLFixture, setHTMLFixture } from './helpers/fixtures';
 import { setupManualMocks } from './mocks/mocks_helper';
+import customMatchers from './matchers';
 
 // Expose jQuery so specs using jQuery plugins can be imported nicely.
 // Here is an issue to explore better alternatives:
@@ -67,6 +68,8 @@ Object.entries(jqueryMatchers).forEach(([matcherName, matcherFactory]) => {
   });
 });
 
+expect.extend(customMatchers);
+
 // Tech debt issue TBD
 testUtilsConfig.logModifiedComponents = false;