koa-lite/test/response/type.js

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'use strict';
const context = require('../helpers/context');
const assert = require('assert');
describe('ctx.type=', () => {
describe('with a mime', () => {
it('should set the Content-Type', () => {
const ctx = context();
ctx.type = 'text/plain';
ctx.type.should.equal('text/plain');
ctx.response.header['content-type'].should.equal('text/plain; charset=utf-8');
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});
});
describe('with an extension', () => {
it('should lookup the mime', () => {
const ctx = context();
ctx.type = 'json';
ctx.type.should.equal('application/json');
ctx.response.header['content-type'].should.equal('application/json; charset=utf-8');
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});
});
describe('without a charset', () => {
it('should default the charset', () => {
const ctx = context();
ctx.type = 'text/html';
ctx.type.should.equal('text/html');
ctx.response.header['content-type'].should.equal('text/html; charset=utf-8');
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});
});
describe('with a charset', () => {
it('should not default the charset', () => {
const ctx = context();
ctx.type = 'text/html; charset=foo';
ctx.type.should.equal('text/html');
ctx.response.header['content-type'].should.equal('text/html; charset=foo');
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});
});
describe('with an unknown extension', () => {
it('should not set a content-type', () => {
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const ctx = context();
ctx.type = 'asdf';
assert(!ctx.type);
assert(!ctx.response.header['content-type']);
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});
});
});
describe('ctx.type', () => {
describe('with no Content-Type', () => {
it('should return ""', () => {
const ctx = context();
assert(!ctx.type);
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});
});
describe('with a Content-Type', () => {
it('should return the mime', () => {
const ctx = context();
ctx.type = 'json';
ctx.type.should.equal('application/json');
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});
});
});