Refactor: Dependencies - Replaced class with func. comp (#169)

src/components/Dependencies/Dependencies.test.tsx

@@ -0,0 +1,92 @@
+import React from 'react';
+import { render } from '@testing-library/react';
+import { HashRouter } from 'react-router-dom';
+
+import { DetailContextProvider } from '../../pages/Version';
+
+import Dependencies from './Dependencies';
+
+describe('<Dependencies /> component', () => {
+  test('Renders a message when there are no dependencies', () => {
+    // Given
+    const packageMeta = {
+      latest: {
+        name: 'verdaccio',
+        version: '4.0.0',
+        author: {
+          name: 'verdaccio user',
+          email: 'verdaccio.user@verdaccio.org',
+          url: '',
+          avatar: 'https://www.gravatar.com/avatar/000000',
+        },
+        dist: { fileCount: 0, unpackedSize: 0 },
+        dependencies: {},
+        devDependencies: {},
+        peerDependencies: {},
+      },
+      _uplinks: {},
+    };
+
+    // When
+    const { getByText } = render(
+      <DetailContextProvider value={{ packageMeta }}>
+        <Dependencies />
+      </DetailContextProvider>
+    );
+
+    // Then
+    expect(getByText('verdaccio has no dependencies.')).toBeDefined();
+  });
+
+  test('Renders a link to each dependency', () => {
+    // Given
+    const packageMeta = {
+      latest: {
+        name: 'verdaccio',
+        version: '4.0.0',
+        author: {
+          name: 'verdaccio user',
+          email: 'verdaccio.user@verdaccio.org',
+          url: '',
+          avatar: 'https://www.gravatar.com/avatar/000000',
+        },
+        dist: { fileCount: 0, unpackedSize: 0 },
+        dependencies: {
+          react: '16.9.0',
+          'react-dom': '16.9.0',
+        },
+        devDependencies: {
+          'babel-core': '7.0.0-beta6',
+        },
+        peerDependencies: {
+          'styled-components': '5.0.0',
+        },
+      },
+      _uplinks: {},
+    };
+
+    // When
+    const { getByText } = render(
+      <HashRouter>
+        <DetailContextProvider value={{ packageMeta }}>
+          <Dependencies />
+        </DetailContextProvider>
+      </HashRouter>
+    );
+
+    // Then
+    // FIXME: currently MaterialUI chips do not support the children
+    // prop, therefore it is impossible to use proper links for
+    // dependencies. Those are for now clickable spans
+
+    expect(getByText('dependencies (2)')).toBeDefined();
+    expect(getByText('react@16.9.0').tagName).toBe('SPAN');
+    expect(getByText('react-dom@16.9.0').tagName).toBe('SPAN');
+
+    expect(getByText('devDependencies (1)')).toBeDefined();
+    expect(getByText('babel-core@7.0.0-beta6').tagName).toBe('SPAN');
+
+    expect(getByText('peerDependencies (1)')).toBeDefined();
+    expect(getByText('styled-components@5.0.0').tagName).toBe('SPAN');
+  });
+});