accepts_1.3.8/test/type.js

121 lines
4.2 KiB
JavaScript

var accepts = require('..')
var assert = require('assert')
var deepEqual = require('deep-equal')
describe('accepts.types()', function () {
describe('with no arguments', function () {
describe('when Accept is populated', function () {
it('should return all accepted types', function () {
var req = createRequest('application/*;q=0.2, image/jpeg;q=0.8, text/html, text/plain')
var accept = accepts(req)
assert.ok(deepEqual(accept.types(), ['text/html', 'text/plain', 'image/jpeg', 'application/*']))
})
})
describe('when Accept not in request', function () {
it('should return */*', function () {
var req = createRequest()
var accept = accepts(req)
assert.ok(deepEqual(accept.types(), ['*/*']))
})
})
describe('when Accept is empty', function () {
it('should return []', function () {
var req = createRequest('')
var accept = accepts(req)
assert.ok(deepEqual(accept.types(), []))
})
})
})
describe('with no valid types', function () {
describe('when Accept is populated', function () {
it('should return false', function () {
var req = createRequest('application/*;q=0.2, image/jpeg;q=0.8, text/html, text/plain')
var accept = accepts(req)
assert.strictEqual(accept.types('image/png', 'image/tiff'), false)
})
})
describe('when Accept is not populated', function () {
it('should return the first type', function () {
var req = createRequest()
var accept = accepts(req)
assert.strictEqual(accept.types('text/html', 'text/plain', 'image/jpeg', 'application/*'), 'text/html')
})
})
})
describe('when extensions are given', function () {
it('should convert to mime types', function () {
var req = createRequest('text/plain, text/html')
var accept = accepts(req)
assert.strictEqual(accept.types('html'), 'html')
assert.strictEqual(accept.types('.html'), '.html')
assert.strictEqual(accept.types('txt'), 'txt')
assert.strictEqual(accept.types('.txt'), '.txt')
assert.strictEqual(accept.types('png'), false)
assert.strictEqual(accept.types('bogus'), false)
})
})
describe('when an array is given', function () {
it('should return the first match', function () {
var req = createRequest('text/plain, text/html')
var accept = accepts(req)
assert.strictEqual(accept.types(['png', 'text', 'html']), 'text')
assert.strictEqual(accept.types(['png', 'html']), 'html')
assert.strictEqual(accept.types(['bogus', 'html']), 'html')
})
})
describe('when multiple arguments are given', function () {
it('should return the first match', function () {
var req = createRequest('text/plain, text/html')
var accept = accepts(req)
assert.strictEqual(accept.types('png', 'text', 'html'), 'text')
assert.strictEqual(accept.types('png', 'html'), 'html')
assert.strictEqual(accept.types('bogus', 'html'), 'html')
})
})
describe('when present in Accept as an exact match', function () {
it('should return the type', function () {
var req = createRequest('text/plain, text/html')
var accept = accepts(req)
assert.strictEqual(accept.types('text/html'), 'text/html')
assert.strictEqual(accept.types('text/plain'), 'text/plain')
})
})
describe('when present in Accept as a type match', function () {
it('should return the type', function () {
var req = createRequest('application/json, */*')
var accept = accepts(req)
assert.strictEqual(accept.types('text/html'), 'text/html')
assert.strictEqual(accept.types('text/plain'), 'text/plain')
assert.strictEqual(accept.types('image/png'), 'image/png')
})
})
describe('when present in Accept as a subtype match', function () {
it('should return the type', function () {
var req = createRequest('application/json, text/*')
var accept = accepts(req)
assert.strictEqual(accept.types('text/html'), 'text/html')
assert.strictEqual(accept.types('text/plain'), 'text/plain')
assert.strictEqual(accept.types('image/png'), false)
})
})
})
function createRequest (type) {
return {
headers: {
accept: type
}
}
}