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import { join } from 'path';
import { tmpdir } from 'os';
import { readFile, rm, mkdtemp, stat } from 'fs/promises';
import {
convertPoToJed,
convertPoFileForLocale,
main,
} from '../../../../scripts/frontend/po_to_json';
describe('PoToJson', () => {
const LOCALE = 'de';
const LOCALE_DIR = join(__dirname, '__fixtures__/locale');
const PO_FILE = join(LOCALE_DIR, LOCALE, 'gitlab.po');
const CONVERTED_FILE = join(LOCALE_DIR, LOCALE, 'converted.json');
let DE_CONVERTED = null;
beforeAll(async () => {
DE_CONVERTED = Object.freeze(JSON.parse(await readFile(CONVERTED_FILE, 'utf-8')));
});
describe('tests writing to the file system', () => {
let resultDir = null;
afterEach(async () => {
if (resultDir) {
await rm(resultDir, { recursive: true, force: true });
}
});
beforeEach(async () => {
resultDir = await mkdtemp(join(tmpdir(), 'locale-test'));
});
describe('#main', () => {
it('throws without arguments', () => {
return expect(main()).rejects.toThrow(/doesn't seem to be a folder/);
});
it('throws if outputDir does not exist', () => {
return expect(
main({
localeRoot: LOCALE_DIR,
outputDir: 'i-do-not-exist',
}),
).rejects.toThrow(/doesn't seem to be a folder/);
});
it('throws if localeRoot does not exist', () => {
return expect(
main({
localeRoot: 'i-do-not-exist',
outputDir: resultDir,
}),
).rejects.toThrow(/doesn't seem to be a folder/);
});
it('converts folder of po files to app.js files', async () => {
expect((await stat(resultDir)).isDirectory()).toBe(true);
await main({ localeRoot: LOCALE_DIR, outputDir: resultDir });
const resultFile = join(resultDir, LOCALE, 'app.js');
expect((await stat(resultFile)).isFile()).toBe(true);
window.translations = null;
await import(resultFile);
expect(window.translations).toEqual(DE_CONVERTED);
});
});
describe('#convertPoFileForLocale', () => {
it('converts simple PO to app.js, which exposes translations on the window', async () => {
await convertPoFileForLocale({ locale: 'de', localeFile: PO_FILE, resultDir });
const resultFile = join(resultDir, 'app.js');
expect((await stat(resultFile)).isFile()).toBe(true);
window.translations = null;
await import(resultFile);
expect(window.translations).toEqual(DE_CONVERTED);
});
});
});
describe('#convertPoToJed', () => {
it('converts simple PO to JED compatible JSON', async () => {
const poContent = await readFile(PO_FILE, 'utf-8');
expect(convertPoToJed(poContent, LOCALE).jed).toEqual(DE_CONVERTED);
});
it('returns null for empty string', () => {
const poContent = '';
expect(convertPoToJed(poContent, LOCALE).jed).toEqual(null);
});
describe('PO File headers', () => {
it('parses headers properly', () => {
const poContent = `
msgid ""
msgstr ""
"Project-Id-Version: gitlab-ee\\n"
"Report-Msgid-Bugs-To: \\n"
"X-Crowdin-Project: gitlab-ee\\n"
`;
expect(convertPoToJed(poContent, LOCALE).jed).toEqual({
domain: 'app',
locale_data: {
app: {
'': {
'Project-Id-Version': 'gitlab-ee',
'Report-Msgid-Bugs-To': '',
'X-Crowdin-Project': 'gitlab-ee',
domain: 'app',
lang: LOCALE,
},
},
},
});
});
// JED needs that property, hopefully we could get
// rid of this in a future iteration
it("exposes 'Plural-Forms' as 'plural_forms' for `jed`", () => {
const poContent = `
msgid ""
msgstr ""
"Plural-Forms: nplurals=2; plural=(n != 1);\\n"
`;
expect(convertPoToJed(poContent, LOCALE).jed).toEqual({
domain: 'app',
locale_data: {
app: {
'': {
'Plural-Forms': 'nplurals=2; plural=(n != 1);',
plural_forms: 'nplurals=2; plural=(n != 1);',
domain: 'app',
lang: LOCALE,
},
},
},
});
});
it('removes POT-Creation-Date', () => {
const poContent = `
msgid ""
msgstr ""
"Plural-Forms: nplurals=2; plural=(n != 1);\\n"
`;
expect(convertPoToJed(poContent, LOCALE).jed).toEqual({
domain: 'app',
locale_data: {
app: {
'': {
'Plural-Forms': 'nplurals=2; plural=(n != 1);',
plural_forms: 'nplurals=2; plural=(n != 1);',
domain: 'app',
lang: LOCALE,
},
},
},
});
});
});
describe('escaping', () => {
it('escapes quotes in translation', () => {
const poContent = `
# Escaped quotes in msgid and msgstr
msgid "Changes the title to \\"%{title_param}\\"."
msgstr "Ändert den Titel in \\"%{title_param}\\"."
`;
expect(convertPoToJed(poContent, LOCALE).jed).toEqual({
domain: 'app',
locale_data: {
app: {
'': {
domain: 'app',
lang: LOCALE,
},
'Changes the title to "%{title_param}".': [
'Ändert den Titel in \\"%{title_param}\\".',
],
},
},
});
});
it('escapes backslashes in translation', () => {
const poContent = `
# Escaped backslashes in msgid and msgstr
msgid "Example: ssh\\\\:\\\\/\\\\/"
msgstr "Beispiel: ssh\\\\:\\\\/\\\\/"
`;
expect(convertPoToJed(poContent, LOCALE).jed).toEqual({
domain: 'app',
locale_data: {
app: {
'': {
domain: 'app',
lang: LOCALE,
},
'Example: ssh\\:\\/\\/': ['Beispiel: ssh\\\\:\\\\/\\\\/'],
},
},
});
});
// This is potentially faulty behavior but demands further investigation
// See also the escapeMsgstr method
it('escapes \\n and \\t in translation', () => {
const poContent = `
# Escaped \\n
msgid "Outdent line"
msgstr "Désindenter la ligne\\n"
# Escaped \\t
msgid "Headers"
msgstr "Cabeçalhos\\t"
`;
expect(convertPoToJed(poContent, LOCALE).jed).toEqual({
domain: 'app',
locale_data: {
app: {
'': {
domain: 'app',
lang: LOCALE,
},
Headers: ['Cabeçalhos\\t'],
'Outdent line': ['Désindenter la ligne\\n'],
},
},
});
});
});
});
});
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