koa-lite/test/response/header.js

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'use strict';
const response = require('../helpers/context').response;
describe('res.header', () => {
it('should return the response header object', () => {
const res = response();
res.set('X-Foo', 'bar');
res.header.should.eql({ 'x-foo': 'bar' });
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});
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describe('when res._headers not present', () => {
it('should return empty object', () => {
const res = response();
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res.res._headers = null;
res.header.should.eql({});
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});
});
});