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feat: generate currentlySupportedLangs.jsx dynamically (#389)
instead of hardcoded `transifex_langs = "ar,fr,es_419,zh_CN"` now it generates the file based on the `atlas pull` result Refs: FC-0012 OEP-58
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,130 @@ | ||
| // Tests for the generateSupportedLangs.js command line. | ||
|
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| import path from 'path'; | ||
| import { main as realMain } from './generateSupportedLangs'; | ||
|
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| const sempleAppsDirectory = path.join(__dirname, '../../../../test-apps'); | ||
|
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| // History for `process.stdout.write` mock calls. | ||
| const logHistory = { | ||
| log: [], | ||
| latest: null, | ||
| }; | ||
|
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| // History for `fs.writeFileSync` mock calls. | ||
| const writeFileHistory = { | ||
| log: [], | ||
| latest: null, | ||
| }; | ||
|
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| // Mock for process.stdout.write | ||
| const log = (text) => { | ||
| logHistory.latest = text; | ||
| logHistory.log.push(text); | ||
| }; | ||
|
|
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| // Mock for fs.writeFileSync | ||
| const writeFileSync = (filename, content) => { | ||
| const entry = { filename, content }; | ||
| writeFileHistory.latest = entry; | ||
| writeFileHistory.log.push(entry); | ||
| }; | ||
|
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| // Main with mocked output | ||
| const main = (args) => realMain({ | ||
| log, | ||
| writeFileSync, | ||
| i18nMessagesDir: `${sempleAppsDirectory}/app-with-translations/src/i18n/messages`, | ||
| ...args, | ||
| }); | ||
|
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| // Clean up mock histories | ||
| beforeEach(() => { | ||
| logHistory.log = []; | ||
| logHistory.latest = null; | ||
| writeFileHistory.log = []; | ||
| writeFileHistory.latest = null; | ||
| }); | ||
|
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| describe('help document', () => { | ||
| it('should print help for --help', () => { | ||
| const success = main({ | ||
| i18nMessagesDir: '--help', | ||
| }); | ||
| expect(logHistory.latest).toMatch( | ||
| "generateSupportedLangs.js — Script to generate the 'src/i18n/messages/currentlySupportedLangs.jsx'" | ||
| ); | ||
| expect(success).toBe(true); | ||
| }); | ||
|
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| it('should print help for -h', () => { | ||
| const success = main({ | ||
| i18nMessagesDir: '--help', | ||
| }); | ||
| expect(logHistory.latest).toMatch( | ||
| "generateSupportedLangs.js — Script to generate the 'src/i18n/messages/currentlySupportedLangs.jsx'" | ||
| ); | ||
| expect(success).toBe(true); | ||
| }); | ||
| }); | ||
|
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| describe('generate with three languages', () => { | ||
| it('should generate currentlySupportedLangs.jsx', () => { | ||
| const success = main({ | ||
| i18nMessagesDir: `${sempleAppsDirectory}/app-with-translations/src/i18n/messages`, | ||
| }); | ||
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| expect(writeFileHistory.log.length).toBe(1); | ||
| expect(writeFileHistory.latest.filename).toBe(`${sempleAppsDirectory}/app-with-translations/src/i18n/messages/currentlySupportedLangs.jsx`); | ||
| expect(success).toBe(true); // Languages generated successfully | ||
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| // It should write the file with the following content: | ||
| // - import 'react-intl/locale-data/ar' and ar.json messages | ||
| // - import 'react-intl/locale-data/fr' and fr.json messages | ||
| // - import fr_CA.json messages without duplicating the `fr` import because it's the same language | ||
| // - import 'react-intl/locale-data/zh' and zh_CN.json messages | ||
| // - export the imported locale-data | ||
| expect(writeFileHistory.latest.content).toEqual(`// This file is generated by the "generateSupportedLangs.js" script. | ||
| import './ar.json'; | ||
| import './fr.json'; | ||
| import './fr_CA.json'; | ||
| import './zh_CN.json'; | ||
| import arData from 'react-intl/locale-data/ar'; | ||
| import frData from 'react-intl/locale-data/fr'; | ||
| import zhData from 'react-intl/locale-data/zh'; | ||
| export default { | ||
| 'ar': arData, | ||
| 'fr': frData, | ||
| 'fr-ca': frData, | ||
| 'zh-cn': zhData, | ||
| }; | ||
| `); | ||
| }); | ||
| }); | ||
|
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| describe('generate errors', () => { | ||
| it('should fail with no languages', () => { | ||
| const success = main({ | ||
| i18nMessagesDir: `${sempleAppsDirectory}/app-without-translations/src/i18n/messages`, | ||
| }); | ||
|
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| // It should fail with the following error message: | ||
| expect(logHistory.latest).toContain('generateSupportedLangs.js: Error: No language files found in the "'); | ||
|
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| expect(writeFileHistory.log).toEqual([]); | ||
| expect(success).toBe(false); // No languages to generate | ||
| }); | ||
|
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| it('should fail with no MESSAGES_DIR parameter', () => { | ||
| const success = main({ | ||
| i18nMessagesDir: '', | ||
| }); | ||
|
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| // It should fail with the following error message: | ||
| expect(logHistory.latest).toBe('generateSupportedLangs.js: Error: The "MESSAGES_DIR" parameter is required.\n'); | ||
|
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| expect(writeFileHistory.log).toEqual([]); | ||
| expect(success).toBe(false); // MESSAGES_DIR parameter is required | ||
| }); | ||
| }); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| # Test apps | ||
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| These test apps are used by the `src/utils/i18n/scripts/generateSupportedLangs.test.js` file. |
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