68 lines
1.8 KiB
JavaScript
68 lines
1.8 KiB
JavaScript
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const assert = require('assert');
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const sinon = require('sinon');
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const proxyquire = require('proxyquire').noCallThru();
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const config = {
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l10n_dev: false // prod configuration
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};
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const pkg = {
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availableLanguages: ['en-US', 'fr', 'it', 'es-ES']
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};
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function request(acceptLang) {
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return {
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headers: {
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'accept-language': acceptLang
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}
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};
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}
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const langMiddleware = proxyquire('../../server/middleware/language', {
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'../config': config,
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'../../package.json': pkg
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});
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describe('Language Middleware', function() {
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it('defaults to en-US when no header is present', function() {
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const req = request();
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const next = sinon.stub();
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langMiddleware(req, null, next);
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assert.equal(req.language, 'en-US');
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sinon.assert.calledOnce(next);
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});
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it('sets req.language to en-US when accept-language > 255 chars', function() {
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const accept = Array(257).join('a');
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assert.equal(accept.length, 256);
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const req = request(accept);
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const next = sinon.stub();
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langMiddleware(req, null, next);
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assert.equal(req.language, 'en-US');
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sinon.assert.calledOnce(next);
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});
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it('defaults to en-US when no accept-language is available', function() {
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const req = request('fa,cs,ja');
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const next = sinon.stub();
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langMiddleware(req, null, next);
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assert.equal(req.language, 'en-US');
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sinon.assert.calledOnce(next);
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});
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it('prefers higher q values', function() {
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const req = request('fa;q=0.5, it;q=0.9');
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const next = sinon.stub();
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langMiddleware(req, null, next);
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assert.equal(req.language, 'it');
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sinon.assert.calledOnce(next);
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});
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it('uses likely subtags', function() {
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const req = request('es-MX');
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const next = sinon.stub();
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langMiddleware(req, null, next);
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assert.equal(req.language, 'es-ES');
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sinon.assert.calledOn(next);
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});
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});
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