client-ui/tests/unit/service-router/service-router-test.js

Testing implementation of nodeJs Backend, angular frontend, and hopefully in a way that this can be deployed to s3/cloudfront

/* global inject sinon $ */
describe('ServiceRouter::', function() {
    var server = 'http://qloans:8080/v1/';
    var serviceRouter;
    var store;
    var $httpBackend;
    var $rootScope;
    var $timeout;
    beforeEach(function() {
        angular.mock.module('clientApp', function($provide) {
            $provide.constant('rootConstants', {
                "server": server,
                "production": true,
                "scriptUrls": {
                    device: {
                        production: "something"
                    }
                }
            });
            $provide.service('$state', function() {

            });
        });
    });

    beforeEach(function() {
        inject(function($injector) {
            $httpBackend = $injector.get('$httpBackend');
            store = $injector.get('aiStorage');
            serviceRouter = $injector.get("serviceRouter");
            $rootScope = $injector.get('$rootScope');
            $timeout = $injector.get("$timeout");
        });
    });

    beforeEach(inject(function(_loan_) {
        if (store.get('currentLoan')) {
            store.remove('currentLoan');
        }
        this.sinon = sinon.sandbox.create();
    }));

    afterEach(function() {
        $httpBackend.verifyNoOutstandingExpectation();
        $httpBackend.verifyNoOutstandingRequest();
        this.sinon.restore();
    });

    describe("getScriptContent", function() {
        var getScriptStub;
        var cbs;
        var called;
        var self;
        beforeEach(function() {
            self = this;
            cbs = {};
            getScriptStub = this.sinon.stub($, "getScript");
            called = {done: 0, error: 0};
            getScriptStub.returns({
                done: function(cb) {
                    cbs.done = function() {
                        called.done++;
                        cb();
                    };
                    return this;
                },
                error: function(cb) {
                    cbs.error = function() {
                        called.error++;
                        cb();
                    };
                    return this;
                }
            });
            serviceRouter.maxTries.default = 2;
        });
        it("Should resolve if first getScript passes", function(done) {
            serviceRouter.getScriptContent("something", "device")
                .then(function() {
                    assert.equal(serviceRouter.numTries["device"], 1);
                    assert.equal(called.done, 1);
                    assert.equal(called.error, 0);
                    return done();
                }, function() {
                    assert.equal("a", "b", "Error shouldn't get called");
                });
            $rootScope.$digest();
            assert(getScriptStub.called);
            setTimeout(function() {
                cbs.done();
                $rootScope.$digest();
            });
        });
        it("Should resolve if second getScript passes", function(done) {
            serviceRouter.getScriptContent("something", "device")
                .then(function() {
                    assert.equal(serviceRouter.numTries["device"], 2);
                    assert.equal(called.done, 1, "doneSpy");
                    assert.equal(called.error, 1, "errorSpy");
                    return done();
                }, function() {
                    assert.equal("a", "b", "Error shouldn't get called");
                });
            $rootScope.$digest();
            assert(getScriptStub.called);
            setTimeout(function() {
                cbs.error();
                $rootScope.$digest();
                setTimeout(function() {
                    cbs.done();
                    $rootScope.$digest();
                });
            });
        });
        it("Should not resolve if third getScript passes", function(done) {
            serviceRouter.getScriptContent("something", "device")
                .then(function() {
                    assert.equal("a", "b", "done shouldn't get called");
                }, function() {
                    assert.equal(serviceRouter.numTries["device"], 3);
                    assert.equal(called.done, 0, "doneSpy");
                    assert.equal(called.error, 2, "errorSpy");
                    return done();
                });
            $rootScope.$digest();
            assert(getScriptStub.called);
            setTimeout(function() {
                cbs.error();
                $rootScope.$digest();
                setTimeout(function() {
                    cbs.error();
                    $rootScope.$digest();
                });
            });
        });
    });
});