// Copyright (c) Microsoft Corporation. All rights reserved.

// Licensed under the MIT License.

'use strict';

import * as assert from 'assert';

import * as fs from 'fs';

import * as path from 'path';

import { EXTENSION_ROOT_DIR } from '../../client/common/constants';

import * as localize from '../../client/common/utils/localize';

// Defines a Mocha test suite to group tests of similar kind together

suite('localize tests', () => {

test('keys', done => {

const val = localize.LanguageService.bannerMessage();

assert.equal(val, 'Can you please take 2 minutes to tell us how the Python Language Server is working for you?', 'LanguageService string doesnt match');

done();

});

test('keys italian', done => {

// Force a config change

process.env.VSCODE_NLS_CONFIG = '{ "locale": "it" }';

const val = localize.LanguageService.bannerLabelYes();

assert.equal(val, 'Sì, prenderò il sondaggio ora', 'bannerLabelYes is not being translated');

done();

});

test('keys exist', done => {

// Read all of the namespaces from the localize import

const entries = Object.keys(localize);

// Read in the JSON object for the package.nls.json

let nlsCollection = {};

const defaultNlsFile = path.join(EXTENSION_ROOT_DIR, 'package.nls.json');

if (fs.existsSync(defaultNlsFile)) {

const contents = fs.readFileSync(defaultNlsFile, 'utf8');

nlsCollection = JSON.parse(contents);

} else {

nlsCollection = {};

}

// Now match all of our namespace entries to our nls entries

entries.forEach((e : string) => {

if (typeof localize[e] !== 'function') {

// This must be a namespace. It should have functions inside of it

const namespace = localize[e];

const funcs = Object.keys(namespace);

// Run every function, this should fill up our asked for keys collection

funcs.forEach((f : string) => {

const func = namespace[f];

func();

});

}

});

// Now verify all of the asked for keys exist

const askedFor = localize.getAskedForCollection();

const missing = {};

Object.keys(askedFor).forEach((key : string) => {

// Now check that this key exists somewhere in the nls collection

if (!nlsCollection[key]) {

missing[key] = askedFor[key];

}

});

// If any missing keys, output an error

const missingKeys = Object.keys(missing);

if (missingKeys && missingKeys.length > 0) {

let message = 'Missing keys. Add the following to package.nls.json:\n';

missingKeys.forEach((k : string) => {

message = message.concat(`\t"${k}" : "${missing[k]}",\n`);

});

assert.fail(message);

}

done();

});

});