Add test and coverage on ColumnDrilldown (#373)

src/Graph/__tests__/ColumnDrilldown.test.tsx

@@ -0,0 +1,72 @@
+import React from 'react';
+import '@testing-library/jest-dom';
+import { act, render } from '@testing-library/react';
+import { describe, expect, test, vi } from 'vitest'
+import ColumnDrilldown from '../ColumnDrilldown'
+import { api } from '../../api';
+
+// NOTE: Use a delay to avoid diff with rendering animation
+// https://github.com/highcharts/highcharts/issues/14328
+
+const delay = 2000;
+
+const mock_data = {
+  "date": "2023-10-09T07:10:48Z",
+  "docker_pulls": {
+      "eclipse-temurin": 74596680
+  },
+  "github_downloads": {
+      "8": 40769834
+  },
+  "total_downloads": {
+      "docker_pulls": 74596680,
+      "github_downloads": 165154324,
+      "total": 239751004
+  }
+}
+
+const mock_data_api_8 = {
+  "jdk8u302-b08": 3238608,
+}
+
+const mock_data_api_b08 = {
+  "OpenJDK8U-debugimage_x64_linux_hotspot_8u302b08.tar.gz": 55,
+  "OpenJDK8U-jdk_x64_linux_hotspot_8u302b08.tar.gz": 1890802,
+  "OpenJDK8U-debugimage_x64_mac_hotspot_8u302b08.tar.gz": 20,
+  "OpenJDK8U-jdk_x64_mac_hotspot_8u302b08.tar.gz": 133130,
+  "OpenJDK8U-jdk_x64_mac_hotspot_8u302b08.pkg": 91371,
+  "OpenJDK8U-debugimage_x64_windows_hotspot_8u302b08.zip": 126,
+  "OpenJDK8U-jdk_x64_windows_hotspot_8u302b08.zip": 493036,
+  "OpenJDK8U-jdk_x64_windows_hotspot_8u302b08.msi": 405081,
+  "OpenJDK8U-debugimage_aarch64_linux_hotspot_8u302b08.tar.gz": 76,
+  "OpenJDK8U-debugimage_ppc64le_linux_hotspot_8u302b08.tar.gz": 9,
+  "OpenJDK8U-jdk_aarch64_linux_hotspot_8u302b08.tar.gz": 12284,
+  "OpenJDK8U-jdk_ppc64le_linux_hotspot_8u302b08.tar.gz": 2951,
+  "OpenJDK8U-debugimage_ppc64_aix_hotspot_8u302b08.tar.gz": 8,
+  "OpenJDK8U-jdk_ppc64_aix_hotspot_8u302b08.tar.gz": 2594,
+  "OpenJDK8U-jre_x64_linux_hotspot_8u302b08.tar.gz": 32727,
+  "OpenJDK8U-jre_x64_windows_hotspot_8u302b08.zip": 306312,
+  "OpenJDK8U-jre_x64_windows_hotspot_8u302b08.msi": 248381,
+}
+
+describe('ColumnDrilldown component', () => {
+  test('renders correctly', async () => {
+    api.downloads = vi.fn().mockImplementation((arg) => {
+      if(arg === '8') return mock_data_api_8;
+      else if (arg === '8/jdk8u302-b08') return mock_data_api_b08;
+      return undefined
+    });
+
+    let getByText;
+
+    await act(async () => {
+      ({ getByText } = render(
+        <ColumnDrilldown data={mock_data.github_downloads} name='Github Downloads' />
+      ));
+      setTimeout(() => { }, delay)
+    });
+
+    expect(api.downloads).toBeCalledTimes(2);
+    expect(getByText('JDK8')).toBeDefined()
+  });
+});