107 lines
3.1 KiB
JavaScript
107 lines
3.1 KiB
JavaScript
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'use strict';
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const response = require('../helpers/context').response;
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const request = require('supertest');
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const statuses = require('statuses');
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const assert = require('assert');
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const Koa = require('../..');
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describe('res.status=', () => {
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describe('when a status code', () => {
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describe('and valid', () => {
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it('should set the status', () => {
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const res = response();
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res.status = 403;
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assert.equal(res.status, 403);
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});
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it('should not throw', () => {
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assert.doesNotThrow(() => {
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response().status = 403;
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});
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});
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});
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describe('and invalid', () => {
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it('should throw', () => {
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assert.throws(() => {
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response().status = 999;
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}, 'invalid status code: 999');
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});
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});
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describe('and custom status', () => {
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beforeEach(() => statuses['700'] = 'custom status');
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it('should set the status', () => {
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const res = response();
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res.status = 700;
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assert.equal(res.status, 700);
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});
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it('should not throw', () => {
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assert.doesNotThrow(() => response().status = 700);
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});
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});
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});
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describe('when a status string', () => {
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it('should throw', () => {
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assert.throws(() => response().status = 'forbidden', 'status code must be a number');
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});
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});
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function strip (status) {
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it('should strip content related header fields', async () => {
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const app = new Koa();
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app.use(ctx => {
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ctx.body = { foo: 'bar' };
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ctx.set('Content-Type', 'application/json; charset=utf-8');
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ctx.set('Content-Length', '15');
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ctx.set('Transfer-Encoding', 'chunked');
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ctx.status = status;
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assert(null == ctx.response.header['content-type']);
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assert(null == ctx.response.header['content-length']);
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assert(null == ctx.response.header['transfer-encoding']);
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});
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const res = await request(app.listen())
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.get('/')
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.expect(status);
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assert.equal(res.headers.hasOwnProperty('content-type'), false);
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assert.equal(res.headers.hasOwnProperty('content-length'), false);
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assert.equal(res.headers.hasOwnProperty('content-encoding'), false);
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assert.equal(res.text.length, 0);
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});
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it('should strip content releated header fields after status set', async () => {
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const app = new Koa();
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app.use(ctx => {
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ctx.status = status;
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ctx.body = { foo: 'bar' };
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ctx.set('Content-Type', 'application/json; charset=utf-8');
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ctx.set('Content-Length', '15');
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ctx.set('Transfer-Encoding', 'chunked');
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});
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const res = await request(app.listen())
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.get('/')
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.expect(status);
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assert.equal(res.headers.hasOwnProperty('content-type'), false);
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assert.equal(res.headers.hasOwnProperty('content-length'), false);
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assert.equal(res.headers.hasOwnProperty('content-encoding'), false);
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assert.equal(res.text.length, 0);
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});
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}
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describe('when 204', () => strip(204));
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describe('when 205', () => strip(205));
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describe('when 304', () => strip(304));
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});
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