angular2/src/compiler/xhr_mock.js

Angular 2 - a web framework for modern web apps

'use strict';var __extends = (this && this.__extends) || function (d, b) {
    for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
    function __() { this.constructor = d; }
    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var xhr_1 = require('angular2/src/compiler/xhr');
var collection_1 = require('angular2/src/facade/collection');
var lang_1 = require('angular2/src/facade/lang');
var exceptions_1 = require('angular2/src/facade/exceptions');
var async_1 = require('angular2/src/facade/async');
var MockXHR = (function (_super) {
    __extends(MockXHR, _super);
    function MockXHR() {
        _super.apply(this, arguments);
        this._expectations = [];
        this._definitions = new collection_1.Map();
        this._requests = [];
    }
    MockXHR.prototype.get = function (url) {
        var request = new _PendingRequest(url);
        this._requests.push(request);
        return request.getPromise();
    };
    MockXHR.prototype.expect = function (url, response) {
        var expectation = new _Expectation(url, response);
        this._expectations.push(expectation);
    };
    MockXHR.prototype.when = function (url, response) { this._definitions.set(url, response); };
    MockXHR.prototype.flush = function () {
        if (this._requests.length === 0) {
            throw new exceptions_1.BaseException('No pending requests to flush');
        }
        do {
            this._processRequest(this._requests.shift());
        } while (this._requests.length > 0);
        this.verifyNoOustandingExpectations();
    };
    MockXHR.prototype.verifyNoOustandingExpectations = function () {
        if (this._expectations.length === 0)
            return;
        var urls = [];
        for (var i = 0; i < this._expectations.length; i++) {
            var expectation = this._expectations[i];
            urls.push(expectation.url);
        }
        throw new exceptions_1.BaseException("Unsatisfied requests: " + urls.join(', '));
    };
    MockXHR.prototype._processRequest = function (request) {
        var url = request.url;
        if (this._expectations.length > 0) {
            var expectation = this._expectations[0];
            if (expectation.url == url) {
                collection_1.ListWrapper.remove(this._expectations, expectation);
                request.complete(expectation.response);
                return;
            }
        }
        if (this._definitions.has(url)) {
            var response = this._definitions.get(url);
            request.complete(lang_1.normalizeBlank(response));
            return;
        }
        throw new exceptions_1.BaseException("Unexpected request " + url);
    };
    return MockXHR;
})(xhr_1.XHR);
exports.MockXHR = MockXHR;
var _PendingRequest = (function () {
    function _PendingRequest(url) {
        this.url = url;
        this.completer = async_1.PromiseWrapper.completer();
    }
    _PendingRequest.prototype.complete = function (response) {
        if (lang_1.isBlank(response)) {
            this.completer.reject("Failed to load " + this.url, null);
        }
        else {
            this.completer.resolve(response);
        }
    };
    _PendingRequest.prototype.getPromise = function () { return this.completer.promise; };
    return _PendingRequest;
})();
var _Expectation = (function () {
    function _Expectation(url, response) {
        this.url = url;
        this.response = response;
    }
    return _Expectation;
})();
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