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'use strict'
const t = require('tap')
const test = t.test
const FindMyWay = require('..')
const noop = () => { }
const customVersioning = {
name: 'version',
// storage factory
storage: function () {
let versions = {}
return {
get: (version) => { return versions[version] || null },
set: (version, store) => { versions[version] = store },
del: (version) => { delete versions[version] },
empty: () => { versions = {} }
}
},
deriveConstraint: (req, ctx) => {
return req.headers.accept
}
}
test('A route could support multiple versions (find) / 1', t => {
t.plan(5)
const findMyWay = FindMyWay({ constraints: { version: customVersioning } })
findMyWay.on('GET', '/', { constraints: { version: 'application/vnd.example.api+json;version=2' } }, noop)
findMyWay.on('GET', '/', { constraints: { version: 'application/vnd.example.api+json;version=3' } }, noop)
t.ok(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=2' }))
t.ok(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=3' }))
t.notOk(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=4' }))
t.notOk(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=5' }))
t.notOk(findMyWay.find('GET', '/', { version: 'application/vnd.example.api+json;version=6' }))
})
test('Overriding default strategies uses the custom deriveConstraint function', t => {
t.plan(2)
const findMyWay = FindMyWay({ constraints: { version: customVersioning } })
findMyWay.on('GET', '/', { constraints: { version: 'application/vnd.example.api+json;version=2' } }, (req, res, params) => {
t.equal(req.headers.accept, 'application/vnd.example.api+json;version=2')
})
findMyWay.on('GET', '/', { constraints: { version: 'application/vnd.example.api+json;version=3' } }, (req, res, params) => {
t.equal(req.headers.accept, 'application/vnd.example.api+json;version=3')
})
findMyWay.lookup({
method: 'GET',
url: '/',
headers: { accept: 'application/vnd.example.api+json;version=2' }
})
findMyWay.lookup({
method: 'GET',
url: '/',
headers: { accept: 'application/vnd.example.api+json;version=3' }
})
})