node_modules/rxjs/testing/TestScheduler.js

"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 Observable_1 = require('../Observable');
var Notification_1 = require('../Notification');
var ColdObservable_1 = require('./ColdObservable');
var HotObservable_1 = require('./HotObservable');
var SubscriptionLog_1 = require('./SubscriptionLog');
var VirtualTimeScheduler_1 = require('../scheduler/VirtualTimeScheduler');
var defaultMaxFrame = 750;
var TestScheduler = (function (_super) {
    __extends(TestScheduler, _super);
    function TestScheduler(assertDeepEqual) {
        _super.call(this, VirtualTimeScheduler_1.VirtualAction, defaultMaxFrame);
        this.assertDeepEqual = assertDeepEqual;
        this.hotObservables = [];
        this.coldObservables = [];
        this.flushTests = [];
    }
    TestScheduler.prototype.createTime = function (marbles) {
        var indexOf = marbles.indexOf('|');
        if (indexOf === -1) {
            throw new Error('marble diagram for time should have a completion marker "|"');
        }
        return indexOf * TestScheduler.frameTimeFactor;
    };
    TestScheduler.prototype.createColdObservable = function (marbles, values, error) {
        if (marbles.indexOf('^') !== -1) {
            throw new Error('cold observable cannot have subscription offset "^"');
        }
        if (marbles.indexOf('!') !== -1) {
            throw new Error('cold observable cannot have unsubscription marker "!"');
        }
        var messages = TestScheduler.parseMarbles(marbles, values, error);
        var cold = new ColdObservable_1.ColdObservable(messages, this);
        this.coldObservables.push(cold);
        return cold;
    };
    TestScheduler.prototype.createHotObservable = function (marbles, values, error) {
        if (marbles.indexOf('!') !== -1) {
            throw new Error('hot observable cannot have unsubscription marker "!"');
        }
        var messages = TestScheduler.parseMarbles(marbles, values, error);
        var subject = new HotObservable_1.HotObservable(messages, this);
        this.hotObservables.push(subject);
        return subject;
    };
    TestScheduler.prototype.materializeInnerObservable = function (observable, outerFrame) {
        var _this = this;
        var messages = [];
        observable.subscribe(function (value) {
            messages.push({ frame: _this.frame - outerFrame, notification: Notification_1.Notification.createNext(value) });
        }, function (err) {
            messages.push({ frame: _this.frame - outerFrame, notification: Notification_1.Notification.createError(err) });
        }, function () {
            messages.push({ frame: _this.frame - outerFrame, notification: Notification_1.Notification.createComplete() });
        });
        return messages;
    };
    TestScheduler.prototype.expectObservable = function (observable, unsubscriptionMarbles) {
        var _this = this;
        if (unsubscriptionMarbles === void 0) { unsubscriptionMarbles = null; }
        var actual = [];
        var flushTest = { actual: actual, ready: false };
        var unsubscriptionFrame = TestScheduler
            .parseMarblesAsSubscriptions(unsubscriptionMarbles).unsubscribedFrame;
        var subscription;
        this.schedule(function () {
            subscription = observable.subscribe(function (x) {
                var value = x;
                // Support Observable-of-Observables
                if (x instanceof Observable_1.Observable) {
                    value = _this.materializeInnerObservable(value, _this.frame);
                }
                actual.push({ frame: _this.frame, notification: Notification_1.Notification.createNext(value) });
            }, function (err) {
                actual.push({ frame: _this.frame, notification: Notification_1.Notification.createError(err) });
            }, function () {
                actual.push({ frame: _this.frame, notification: Notification_1.Notification.createComplete() });
            });
        }, 0);
        if (unsubscriptionFrame !== Number.POSITIVE_INFINITY) {
            this.schedule(function () { return subscription.unsubscribe(); }, unsubscriptionFrame);
        }
        this.flushTests.push(flushTest);
        return {
            toBe: function (marbles, values, errorValue) {
                flushTest.ready = true;
                flushTest.expected = TestScheduler.parseMarbles(marbles, values, errorValue, true);
            }
        };
    };
    TestScheduler.prototype.expectSubscriptions = function (actualSubscriptionLogs) {
        var flushTest = { actual: actualSubscriptionLogs, ready: false };
        this.flushTests.push(flushTest);
        return {
            toBe: function (marbles) {
                var marblesArray = (typeof marbles === 'string') ? [marbles] : marbles;
                flushTest.ready = true;
                flushTest.expected = marblesArray.map(function (marbles) {
                    return TestScheduler.parseMarblesAsSubscriptions(marbles);
                });
            }
        };
    };
    TestScheduler.prototype.flush = function () {
        var hotObservables = this.hotObservables;
        while (hotObservables.length > 0) {
            hotObservables.shift().setup();
        }
        _super.prototype.flush.call(this);
        var readyFlushTests = this.flushTests.filter(function (test) { return test.ready; });
        while (readyFlushTests.length > 0) {
            var test = readyFlushTests.shift();
            this.assertDeepEqual(test.actual, test.expected);
        }
    };
    TestScheduler.parseMarblesAsSubscriptions = function (marbles) {
        if (typeof marbles !== 'string') {
            return new SubscriptionLog_1.SubscriptionLog(Number.POSITIVE_INFINITY);
        }
        var len = marbles.length;
        var groupStart = -1;
        var subscriptionFrame = Number.POSITIVE_INFINITY;
        var unsubscriptionFrame = Number.POSITIVE_INFINITY;
        for (var i = 0; i < len; i++) {
            var frame = i * this.frameTimeFactor;
            var c = marbles[i];
            switch (c) {
                case '-':
                case ' ':
                    break;
                case '(':
                    groupStart = frame;
                    break;
                case ')':
                    groupStart = -1;
                    break;
                case '^':
                    if (subscriptionFrame !== Number.POSITIVE_INFINITY) {
                        throw new Error('found a second subscription point \'^\' in a ' +
                            'subscription marble diagram. There can only be one.');
                    }
                    subscriptionFrame = groupStart > -1 ? groupStart : frame;
                    break;
                case '!':
                    if (unsubscriptionFrame !== Number.POSITIVE_INFINITY) {
                        throw new Error('found a second subscription point \'^\' in a ' +
                            'subscription marble diagram. There can only be one.');
                    }
                    unsubscriptionFrame = groupStart > -1 ? groupStart : frame;
                    break;
                default:
                    throw new Error('there can only be \'^\' and \'!\' markers in a ' +
                        'subscription marble diagram. Found instead \'' + c + '\'.');
            }
        }
        if (unsubscriptionFrame < 0) {
            return new SubscriptionLog_1.SubscriptionLog(subscriptionFrame);
        }
        else {
            return new SubscriptionLog_1.SubscriptionLog(subscriptionFrame, unsubscriptionFrame);
        }
    };
    TestScheduler.parseMarbles = function (marbles, values, errorValue, materializeInnerObservables) {
        if (materializeInnerObservables === void 0) { materializeInnerObservables = false; }
        if (marbles.indexOf('!') !== -1) {
            throw new Error('conventional marble diagrams cannot have the ' +
                'unsubscription marker "!"');
        }
        var len = marbles.length;
        var testMessages = [];
        var subIndex = marbles.indexOf('^');
        var frameOffset = subIndex === -1 ? 0 : (subIndex * -this.frameTimeFactor);
        var getValue = typeof values !== 'object' ?
            function (x) { return x; } :
            function (x) {
                // Support Observable-of-Observables
                if (materializeInnerObservables && values[x] instanceof ColdObservable_1.ColdObservable) {
                    return values[x].messages;
                }
                return values[x];
            };
        var groupStart = -1;
        for (var i = 0; i < len; i++) {
            var frame = i * this.frameTimeFactor + frameOffset;
            var notification = void 0;
            var c = marbles[i];
            switch (c) {
                case '-':
                case ' ':
                    break;
                case '(':
                    groupStart = frame;
                    break;
                case ')':
                    groupStart = -1;
                    break;
                case '|':
                    notification = Notification_1.Notification.createComplete();
                    break;
                case '^':
                    break;
                case '#':
                    notification = Notification_1.Notification.createError(errorValue || 'error');
                    break;
                default:
                    notification = Notification_1.Notification.createNext(getValue(c));
                    break;
            }
            if (notification) {
                testMessages.push({ frame: groupStart > -1 ? groupStart : frame, notification: notification });
            }
        }
        return testMessages;
    };
    return TestScheduler;
}(VirtualTimeScheduler_1.VirtualTimeScheduler));
exports.TestScheduler = TestScheduler;
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