cannery-adapter-rest/lib/__tests__/fetchWithin.spec.js

The Cannery REST adapter

'use strict';

var assert = require('assert');
var proxyquire = require('proxyquire');
var Car = require('../__mocks__/car_model.mock');
var Part = require('../__mocks__/part_model.mock');
var RestAdapter = proxyquire('../index', {
    'then-request': require('../__mocks__/fetchWithin_request.mock')
});

describe('fetchWithin()', function () {

    it('Should let us define our own url path', function (done) {
        var car = new Car(1);
        var adapter = new RestAdapter(car, {
            'Car/Part': {
                fetch: 'foo/bar/baz'
            }
        });

        Part.prototype.getParent = function () {
            return car;
        };

        adapter.fetchWithin(new Part(), car).then(function (data) {
            assert.equal(data.name, 'Foo');
            done();
        });
    });

    it('Should respond with an object of data', function (done) {
        var adapter = new RestAdapter();
        var car = new Car(1);

        Part.prototype.getParent = function () {
            return car;
        };

        adapter.fetchWithin(new Part(), car).then(function (data) {
            assert.equal(data.name, 'Steering Wheel');
            done();
        });
    });

    it('Should allow us to pass in an envelope for nested data', function (done) {
        var adapter = new RestAdapter({
            envelope: 'part'
        });

        var car = new Car(2);

        Part.prototype.getParent = function () {
            return car;
        };

        adapter.fetchWithin(new Part(), car).then(function (data) {
            assert.equal(data.name, 'Engine');
            done();
        });
    });

    it('Should catch errors', function (done) {
        var car = new Car(2000);
        var adapter = new RestAdapter();

        adapter.fetchWithin(new Part(), car, {}).catch(function (data) {
            assert.equal(data.statusCode, 404);
            done();
        });
    });

    it('Should allow us to specify a urlRoot', function (done) {
        var car = new Car(3);
        var adapter = new RestAdapter({
            urlRoot: 'api/'
        });

        adapter.fetchWithin(new Part(), car).then(function (data) {
            assert.equal(data.name, 'Engine');
            done();
        });
    });

    it('Should not make 2 requests if for the same endpoint at the same time', function (done) {
        var car = new Car(3);
        var adapter = new RestAdapter({
            urlRoot: 'api/'
        });

        adapter.fetchWithin(new Part(), car);
        adapter.fetchWithin(new Part(), car).then(function () {
            done();
        });
    });
});