test: add ui tests with rtl, jest and msw

.github/workflows/dhis2-verify-commits.yml

@@ -18,6 +18,20 @@ jobs:
             - run: yarn install --frozen-lockfile
             - id: lint
               run: yarn lint
+    test:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - uses: actions/setup-node@v3
+              with:
+                  node-version: 20
+                  cache: 'yarn'
+            - run: yarn install --frozen-lockfile
+            - run: yarn test:client --coverage
+            - name: Upload coverage reports to Codecov
+              uses: codecov/[email protected]
+              with:
+                  token: ${{ secrets.CODECOV_TOKEN }}
     lint-pr-title:
         runs-on: ubuntu-latest
         steps:

.gitignore

@@ -17,4 +17,5 @@ build/
 cypress.env.json
 
 # ignore tools download cache
-tools/apps
+tools/apps
+coverage/

client/jest-setup.js

@@ -0,0 +1,7 @@
+import '@testing-library/jest-dom'
+import { configure } from '@testing-library/dom'
+const util = require('util')
+const { TextEncoder, TextDecoder } = util
+Object.assign(global, { TextDecoder, TextEncoder })
+
+configure({ testIdAttribute: 'data-test' })

client/jest.config.js

@@ -0,0 +1,19 @@
+/** @type {import('jest').Config} */
+const config = {
+    verbose: true,
+    testEnvironment: 'jest-fixed-jsdom',
+    setupFilesAfterEnv: ['<rootDir>/jest-setup.js'],
+
+    moduleNameMapper: {
+        '@dhis2/app-runtime': '<rootDir>/app-runtime-mock.js',
+        'react-markdown': '<rootDir>/test/mocks/react-markdown-mock.js',
+        '@react-hook': '<rootDir>/app-runtime-mock.js',
+        '\\.(jpg|jpeg|png|gif|webp|svg)$': 'identity-obj-proxy',
+        '\\.(css|scss)$': 'identity-obj-proxy',
+        '^src(.*)$': '<rootDir>/src$1',
+        '^config(.*)$': '<rootDir>/config$1',
+        '^mocks(.*)$': '<rootDir>/test/mocks$1',
+    },
+}
+
+module.exports = config

client/package.json

@@ -9,7 +9,7 @@
     "scripts": {
         "build": "cross-env NODE_ENV=production webpack --mode production --progress --config ./webpack.config.js",
         "start": "cross-env NODE_ENV=development webpack serve",
-        "test": "cross-env NODE_ENV=test mocha --config test/.mocharc.js",
+        "test": "cross-env NODE_ENV=test jest",
         "format": "yarn format:js && yarn format:text",
         "format:staged": "yarn format:js --staged && yarn format:text --staged",
         "format:js": "d2-style apply js",
@@ -50,6 +50,8 @@
         "@babel/preset-react": "^7.14.5",
         "@babel/register": "^7.15.3",
         "@svgr/webpack": "^5.5.0",
+        "@testing-library/jest-dom": "^6",
+        "@testing-library/react": "^12",
         "babel-loader": "^8.2.2",
         "babel-plugin-rewire": "^1.2.0",
         "babel-plugin-transform-imports": "^2.0.0",
@@ -61,9 +63,13 @@
         "eslint-import-resolver-webpack": "^0.13.9",
         "file-loader": "^6.2.0",
         "html-webpack-plugin": "^5.3.2",
+        "identity-obj-proxy": "^3.0.0",
         "isomorphic-fetch": "^3.0.0",
+        "jest": "^29.7.0",
+        "jest-fixed-jsdom": "^0.0.9",
+        "jest-environment-jsdom": "^29.7.0",
         "jsdom": "^17.0.0",
-        "mocha": "^9.1.1",
+        "msw": "^2.7.0",
         "sinon": "^11.1.2",
         "sinon-chai": "^3.7.0",
         "style-loader": "^3.2.1",

client/src/components/AppDescription/AppDescription.js

@@ -4,7 +4,7 @@ import styles from './AppDescription.module.css'
 
 const AppDescription = ({ description, paragraphClassName }) => {
     return (
-        <div className={paragraphClassName}>
+        <div className={paragraphClassName} data-test="app-description">
             <ReactMarkdown
                 className={styles.markdownDescription}
                 linkTarget={'_blank'}

client/src/pages/AppView/AppView.js

@@ -3,7 +3,6 @@ import {
     CircularLoader,
     NoticeBox,
     Card,
-    Divider,
     Button,
     TabBar,
     Tab,
@@ -47,13 +46,14 @@ const HeaderSection = ({
                     <div className={styles.tagWithIcon}>
                         <IconUser16 />
                         <a
+                            data-test="organisation-link"
                             className={styles.organisationLink}
                             href={`/organisation/${organisationSlug}/view`}
                         >
                             {appDeveloper}
                         </a>
                     </div>
-                    <div className={styles.tagWithIcon}>
+                    <div data-test="app-type" className={styles.tagWithIcon}>
                         <IconTerminalWindow16 />
                         {appType}
                     </div>
@@ -67,7 +67,12 @@ const HeaderSection = ({
             </div>
             <div>
                 <div className={styles.topActionButtons}>
-                    <a download href={latestVersion.downloadUrl} tabIndex="-1">
+                    <a
+                        data-test="button-download-latest-version"
+                        download
+                        href={latestVersion.downloadUrl}
+                        tabIndex="-1"
+                    >
                         <Button primary>Download latest version</Button>
                     </a>
                     <Button
@@ -76,7 +81,10 @@ const HeaderSection = ({
                         See previous releases
                     </Button>
                 </div>
-                <div className={styles.latestVersionDescription}>
+                <div
+                    data-test="latest-version-description"
+                    className={styles.latestVersionDescription}
+                >
                     <span>
                         {
                             config.ui.appChannelToDisplayName[
@@ -96,7 +104,11 @@ const HeaderSection = ({
                 </div>
                 {sourceUrl && (
                     <>
-                        <a href={sourceUrl} className={styles.sourceUrl}>
+                        <a
+                            data-test="link-source-code"
+                            href={sourceUrl}
+                            className={styles.sourceUrl}
+                        >
                             Source code
                         </a>
                     </>
@@ -190,7 +202,7 @@ const AppView = ({ match }) => {
                 latestVersion={latestVersion}
                 sourceUrl={app.sourceUrl}
             />
-            <TabBar>
+            <TabBar dataTest="tabbar-appview">
                 <Tab
                     onClick={selectTab('about')}
                     selected={selectedTab == 'about'}

client/src/pages/AppView/AppView.spec.jsx

@@ -0,0 +1,58 @@
+import { render } from '@testing-library/react'
+import AppView from './AppView.js'
+import '../../../test/mocks/setup.js'
+
+describe('AppView', () => {
+    it('should render app details', async () => {
+        const appId = '08c48425-abd3-410e-8802-8f9ada971c03'
+
+        const { findByText, getByTestId } = render(
+            <AppView
+                match={{
+                    params: { appId },
+                }}
+            />
+        )
+
+        await findByText('ADEx Flow')
+
+        // check organisation link
+        const organisationLink = getByTestId('organisation-link')
+        expect(organisationLink).toHaveTextContent(
+            'DHIS2 Global Implementation Team'
+        )
+        expect(organisationLink).toHaveAttribute(
+            'href',
+            '/organisation/dhis2-global-implementation-team/view'
+        )
+
+        expect(getByTestId('app-type')).toHaveTextContent('Application')
+
+        // Check the buttons
+        const downloadButton = getByTestId('button-download-latest-version')
+        expect(downloadButton).toHaveTextContent('Download latest version')
+        expect(downloadButton.getAttribute('href')).toMatch(
+            'api/v1/apps/download/dhis2-global-implementation-team/adex-flow_0.1.5.zip'
+        )
+
+        // latest version description
+        expect(getByTestId('latest-version-description')).toHaveTextContent(
+            `Stable release v0.1.5.Compatible with DHIS2 2.39 and above.`
+        )
+
+        // app description
+        expect(getByTestId('app-description')).toHaveTextContent(
+            'The Global Fund ADEX Flow app provides a series of workflows to assist country teams with the management of Global Fund Related ADEX metadata.The app provides a series of pre-defined workflows:'
+        )
+
+        const sourceCodeLink = getByTestId('link-source-code')
+        expect(sourceCodeLink.getAttribute('href')).toEqual(
+            'https://github.com/dhis2/gf-adex-flow-app'
+        )
+        expect(sourceCodeLink).toHaveTextContent('Source code')
+
+        expect(getByTestId('tabbar-appview')).toHaveTextContent(
+            'About' + 'Previous releases' + 'Change log'
+        )
+    })
+})

client/src/pages/Apps/AppCards/AppCardItem/AppCardItem.js

@@ -20,13 +20,18 @@ const AppCardItem = ({
     const logo = images.find((elem) => elem.logo)
 
     return (
-        <Link to={`/app/${id}`} className={styles.appCard}>
+        <Link data-test="appcard" to={`/app/${id}`} className={styles.appCard}>
             <header className={styles.appCardHeader}>
                 <AppIcon src={logo?.imageUrl} />
 
                 <div>
-                    <h2 className={styles.appCardName}>{name}</h2>
-                    <span className={styles.appCardDeveloper}>
+                    <h2 data-test="appcard-name" className={styles.appCardName}>
+                        {name}
+                    </h2>
+                    <span
+                        data-test="appcard-organisation"
+                        className={styles.appCardDeveloper}
+                    >
                         {developer.organisation || 'Unspecified'}
                     </span>
                     <div className={styles.appTypeContainer}>
@@ -44,7 +49,10 @@ const AppCardItem = ({
                 </div>
             </header>
 
-            <p className={styles.appCardDescription}>
+            <p
+                data-test="appcard-description"
+                className={styles.appCardDescription}
+            >
                 <Summary>
                     <ReactMarkdown
                         allowedElements={['p']}
@@ -67,17 +75,17 @@ Summary.propTypes = {
 }
 
 AppCardItem.propTypes = {
+    appType: PropTypes.string.isRequired,
     developer: PropTypes.shape({
         name: PropTypes.string,
         organisation: PropTypes.string,
     }).isRequired,
     id: PropTypes.string.isRequired,
     name: PropTypes.string.isRequired,
-    hasPlugin: PropTypes.bool.isRequired,
-    pluginType: PropTypes.string.isRequired,
-    appType: PropTypes.string.isRequired,
     description: PropTypes.string,
+    hasPlugin: PropTypes.bool,
     images: PropTypes.array,
+    pluginType: PropTypes.string,
 }
 
 export default AppCardItem

client/src/pages/Apps/Apps.spec.jsx

@@ -0,0 +1,28 @@
+import { render } from '@testing-library/react'
+import '../../../test/mocks/setup.js'
+import { Router, Route } from 'react-router-dom'
+import { QueryParamProvider } from 'use-query-params'
+import { history } from '../../utils/history'
+import Apps from './Apps.js'
+
+describe('Apps list (Homepage)', () => {
+    it('should render all app cards', async () => {
+        const { findByText, getAllByTestId } = render(
+            <Router history={history}>
+                <QueryParamProvider
+                    ReactRouterRoute={Route}
+                    stringifyOptions={{ skipEmptyString: true }}
+                >
+                    <Apps />
+                </QueryParamProvider>
+            </Router>
+        )
+
+        await findByText('Analytics Info')
+        expect(getAllByTestId('appcard').length).toEqual(24)
+        expect(getAllByTestId('appcard-name').length).toEqual(24)
+        expect(getAllByTestId('appcard-organisation').length).toEqual(24)
+
+        expect(getAllByTestId('appcard-description').length).toEqual(24)
+    })
+})

client/test/changelog/changelog.spec.js

@@ -10,7 +10,7 @@ describe('changelog', () => {
     it('should parse the log', () => {
         const result = new Changelog(changelogContents)
 
-        expect(result.data[0]).to.deep.equal({
+        expect(result.data[0]).toEqual({
             version: '100.2.0',
             changeSummary: [
                 {
@@ -37,20 +37,20 @@ describe('changelog', () => {
         const translations = result.data.filter((r) =>
             r.changeSummary.find((e) => e.isTranslation)
         )
-        expect(translations).to.have.length(9)
+        expect(translations).toHaveLength(9)
     })
     it('should highlight breaking changes', () => {
         const result = new Changelog(changelogContents)
         const changes = result.data.filter((r) => r.isBreaking)
-        expect(changes).to.have.length(1)
-        expect(changes[0].version).to.equal('100.0.0')
+        expect(changes).toHaveLength(1)
+        expect(changes[0].version).toEqual('100.0.0')
     })
     it('should not fail with invalid changelog', () => {
         const result = new Changelog('invalid changelog')
-        expect(result.data).to.have.length(0)
+        expect(result.data).toHaveLength(0)
     })
     it('should not fail with undefine changelog', () => {
         const result = new Changelog(undefined)
-        expect(result.data).to.have.length(0)
+        expect(result.data).toHaveLength(0)
     })
 })