gristlabs_grist-core/test/nbrowser/Localization.ts

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import * as gu from 'test/nbrowser/gristUtils';
import {server, setupTestSuite} from 'test/nbrowser/testUtils';
import {assert, driver} from 'mocha-webdriver';
import * as testUtils from 'test/server/testUtils';
import {getAppRoot} from 'app/server/lib/places';
import fetch from "node-fetch";
import fs from "fs";
import os from "os";
import path from 'path';
describe("Localization", function() {
this.timeout(20000);
setupTestSuite();
before(async function() {
const session = await gu.session().personalSite.anon.login();
await session.loadRelPath("/");
});
it("uses default options for English language", async function() {
// Currently, there is not much translated, so test just what we have.
assert.equal(await driver.findWait('.test-welcome-title', 3000).getText(), 'Welcome to Grist!');
// Grist config should contain the list of supported languages;
const gristConfig: any = await driver.executeScript("return window.gristConfig");
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// client and en is required.
assert.isTrue(gristConfig.namespaces.includes("client"));
assert.isTrue(gristConfig.supportedLngs.includes("en"));
});
it("loads all files from resource folder", async function() {
if (server.isExternalServer()) {
this.skip();
}
// Grist config should contain the list of supported languages;
const gristConfig: any = await driver.executeScript("return window.gristConfig");
// Should report all supported languages and namespaces.
const localeDirectory = path.join(getAppRoot(), 'static', 'locales');
// Read all file names from localeDirectory
const langs: Set<string> = new Set();
const namespaces: Set<string> = new Set();
for (const file of fs.readdirSync(localeDirectory)) {
if (file.endsWith(".json")) {
const lang = file.split('.')[0]?.replace(/_/g, '-');
const ns = file.split('.')[1];
langs.add(lang);
namespaces.add(ns);
}
}
assert.deepEqual(gristConfig.supportedLngs.sort(), [...langs].sort());
assert.deepEqual(gristConfig.namespaces.sort(), [...namespaces].sort());
});
// Now make a Polish language file, and test that it is used.
describe("with Polish language file", function() {
let oldEnv: testUtils.EnvironmentSnapshot;
let tempLocale: string;
let existingLocales: string[];
before(async function() {
if (server.isExternalServer()) {
this.skip();
}
const gristConfig: any = await driver.executeScript("return window.gristConfig");
existingLocales = gristConfig.supportedLngs;
oldEnv = new testUtils.EnvironmentSnapshot();
// Add another language to the list of supported languages.
tempLocale = makeCopy();
createLanguage(tempLocale, "pl");
process.env.GRIST_LOCALES_DIR = tempLocale;
await server.restart();
});
after(async () => {
oldEnv.restore();
await server.restart();
});
it("detects correct language from client headers", async function() {
const homeUrl = `${server.getHost()}/o/docs`;
// Read response from server, and check that it contains the correct language.
const enResponse = await (await fetch(homeUrl)).text();
const plResponse = await (await fetch(homeUrl, {headers: {"Accept-Language": "pl-PL,pl;q=1"}})).text();
const ptResponse = await (await fetch(homeUrl, {headers: {"Accept-Language": "pt-PR,pt;q=1"}})).text();
function present(response: string, ...langs: string[]) {
for (const lang of langs) {
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assert.include(response, `href="locales/${lang}.client.json"`);
}
}
function notPresent(response: string, ...langs: string[]) {
for (const lang of langs) {
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assert.notInclude(response, `href="locales/${lang}.client.json"`);
}
}
// English locale is preloaded always.
present(enResponse, "en");
present(plResponse, "en");
present(ptResponse, "en");
// Other locales are not preloaded for English.
notPresent(enResponse, "pl", "pl-PL", "en-US");
// For Polish we have additional pl locale.
present(plResponse, "pl");
// But only pl code is preloaded.
notPresent(plResponse, "pl-PL");
// For Portuguese we have only en.
notPresent(ptResponse, "pt", "pt-PR", "pl", "en-US");
});
it("loads correct languages from file system", async function() {
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modifyByCode(tempLocale, "en", {HomeIntro: {'Welcome to Grist!': 'TestMessage'}});
await driver.navigate().refresh();
assert.equal(await driver.findWait('.test-welcome-title', 3000).getText(), 'TestMessage');
const gristConfig: any = await driver.executeScript("return window.gristConfig");
assert.sameDeepMembers(gristConfig.supportedLngs, [...existingLocales, 'pl']);
});
});
it("breaks the server if something is wrong with resource files", async function() {
if (server.isExternalServer()) {
this.skip();
}
const oldEnv = new testUtils.EnvironmentSnapshot();
try {
// Wrong path to locales.
process.env.GRIST_LOCALES_DIR = __filename;
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await assert.isRejected(server.restart(false, true));
// Empty folder.
const tempDirectory = fs.mkdtempSync(path.join(os.tmpdir(), 'grist_test_'));
process.env.GRIST_LOCALES_DIR = tempDirectory;
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await assert.isRejected(server.restart(false, true));
// Wrong file format.
fs.writeFileSync(path.join(tempDirectory, 'dummy.json'), 'invalid json');
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await assert.isRejected(server.restart(false, true));
} finally {
oldEnv.restore();
await server.restart();
}
});
/**
* Creates a new language by coping existing "en" resources.
*/
function createLanguage(localesPath: string, code: string) {
for (const file of fs.readdirSync(localesPath)) {
if (file.startsWith('en.')) {
const newFile = file.replace('en', code);
fs.copyFileSync(path.join(localesPath, file), path.join(localesPath, newFile));
}
}
}
/**
* Makes a copy of all resource files and returns path to the temporary directory.
*/
function makeCopy() {
const tempDirectory = fs.mkdtempSync(path.join(os.tmpdir(), 'grist_test_'));
const localeDirectory = path.join(getAppRoot(), 'static', 'locales');
// Copy all files from localeDirectory to tempDirectory.
fs.readdirSync(localeDirectory).forEach(file => {
fs.copyFileSync(path.join(localeDirectory, file), path.join(tempDirectory, file));
});
return tempDirectory;
}
function modifyByCode(localeDir: string, code: string, obj: any) {
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// Read current client localization file.
const filePath = path.join(localeDir, `${code}.client.json`);
const resources = JSON.parse(fs.readFileSync(filePath).toString());
const newResource = Object.assign(resources, obj);
fs.writeFileSync(filePath, JSON.stringify(newResource));
}
});