chore: adds tests for action bar component (#88)

src/components/ActionBar/ActionBar.test.tsx

@@ -0,0 +1,48 @@
+import React from 'react';
+import { shallow } from 'enzyme';
+
+describe('<ActionBar /> component', () => {
+  beforeEach(() => {
+    jest.resetModules();
+  });
+
+  test('should render the component in default state', () => {
+    const packageMeta = {
+      latest: {
+        homepage: 'https://verdaccio.tld',
+        bugs: {
+          url: 'https://verdaccio.tld/bugs',
+        },
+        dist: {
+          tarball: 'https://verdaccio.tld/download'
+        },
+      },
+    };
+
+    jest.doMock('../../pages/version/Version', () => ({
+      DetailContextConsumer: component => {
+        return component.children({ packageMeta });
+      },
+    }));
+
+    const ActionBar = require('./ActionBar').default;
+    const wrapper = shallow(<ActionBar />);
+    expect(wrapper.html()).toMatchSnapshot();
+  });
+
+  test('when there is no action bar data', () => {
+    const packageMeta = {
+      latest: {},
+    };
+
+    jest.doMock('../../pages/version/Version', () => ({
+      DetailContextConsumer: component => {
+        return component.children({ packageMeta });
+      },
+    }));
+
+    const ActionBar = require('./ActionBar').default;
+    const wrapper = shallow(<ActionBar />);
+    expect(wrapper.html()).toEqual('');
+  });
+});