koa-lite/test/request/acceptsLanguages.js

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'use strict';
const context = require('../helpers/context');
describe('ctx.acceptsLanguages(langs)', () => {
describe('with no arguments', () => {
describe('when Accept-Language is populated', () => {
it('should return accepted types', () => {
const ctx = context();
ctx.req.headers['accept-language'] = 'en;q=0.8, es, pt';
ctx.acceptsLanguages().should.eql(['es', 'pt', 'en']);
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});
});
});
describe('with multiple arguments', () => {
describe('when Accept-Language is populated', () => {
describe('if any types types match', () => {
it('should return the best fit', () => {
const ctx = context();
ctx.req.headers['accept-language'] = 'en;q=0.8, es, pt';
ctx.acceptsLanguages('es', 'en').should.equal('es');
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});
});
describe('if no types match', () => {
it('should return false', () => {
const ctx = context();
ctx.req.headers['accept-language'] = 'en;q=0.8, es, pt';
ctx.acceptsLanguages('fr', 'au').should.be.false;
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});
});
});
describe('when Accept-Language is not populated', () => {
it('should return the first type', () => {
const ctx = context();
ctx.acceptsLanguages('es', 'en').should.equal('es');
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});
});
});
describe('with an array', () => {
it('should return the best fit', () => {
const ctx = context();
ctx.req.headers['accept-language'] = 'en;q=0.8, es, pt';
ctx.acceptsLanguages(['es', 'en']).should.equal('es');
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});
});
});