Add unit tests for ProjectsExistWrapper

frontend/packages/dev-console/src/components/ProjectsExistWrapper.tsx

@@ -1,11 +1,11 @@
 import * as React from 'react';
 import * as _ from 'lodash';
-import { HintBlock, LoadingBox } from '@console/internal/components/utils';
+import { HintBlock, LoadingBox, FirehoseResult } from '@console/internal/components/utils';
 import ODCEmptyState from './EmptyState';
 
 export interface ProjectsExistWrapperProps {
   title: string;
-  projects?: { data: []; loaded: boolean };
+  projects?: FirehoseResult;
   children: () => React.ReactElement;
 }
 

frontend/packages/dev-console/src/components/__tests__/ProjectsExistWrapper.spec.tsx

@@ -0,0 +1,50 @@
+import * as React from 'react';
+import { shallow } from 'enzyme';
+import { LoadingBox } from '@console/internal/components/utils';
+import ProjectsExistWrapper from '../ProjectsExistWrapper';
+import ODCEmptyState from '../EmptyState';
+
+type ProjectsExistWrapperProps = React.ComponentProps<typeof ProjectsExistWrapper>;
+
+let projectWrapperProps: ProjectsExistWrapperProps;
+
+describe('ProjectsExistWrapper', () => {
+  beforeEach(() => {
+    projectWrapperProps = {
+      title: 'Topology',
+      projects: {
+        data: [],
+        loaded: true,
+        loadError: '',
+      },
+      children: () => <span />,
+    };
+  });
+
+  it('should show loading box', () => {
+    projectWrapperProps.projects.loaded = false;
+    const wrapper = shallow(<ProjectsExistWrapper {...projectWrapperProps} />);
+    expect(wrapper.find(LoadingBox).exists()).toBe(true);
+  });
+
+  it('should show empty state when no project exist', () => {
+    const wrapper = shallow(<ProjectsExistWrapper {...projectWrapperProps} />);
+    expect(wrapper.find(ODCEmptyState).exists()).toBe(true);
+  });
+
+  it('should return children when project exist', () => {
+    projectWrapperProps.projects.data = [
+      {
+        metadata: {
+          name: 'test-project',
+          selfLink: '/apis/project.openshift.io/v1/projects/test-project',
+          uid: '3afaa628-fde7-4afa-8800-281b7b11f4bf',
+          resourceVersion: '91841',
+          creationTimestamp: '2019-12-19T16:08:38Z',
+        },
+      },
+    ];
+    const wrapper = shallow(<ProjectsExistWrapper {...projectWrapperProps} />);
+    expect(wrapper.contains(<span />)).toBe(true);
+  });
+});