TestScheduler.js
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"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
}
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
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 AsyncScheduler_1 = require("../scheduler/AsyncScheduler");
var defaultMaxFrame = 750;
var TestScheduler = (function (_super) {
__extends(TestScheduler, _super);
function TestScheduler(assertDeepEqual) {
var _this = _super.call(this, VirtualTimeScheduler_1.VirtualAction, defaultMaxFrame) || this;
_this.assertDeepEqual = assertDeepEqual;
_this.hotObservables = [];
_this.coldObservables = [];
_this.flushTests = [];
_this.runMode = false;
return _this;
}
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, undefined, this.runMode);
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, undefined, this.runMode);
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, subscriptionMarbles) {
var _this = this;
if (subscriptionMarbles === void 0) { subscriptionMarbles = null; }
var actual = [];
var flushTest = { actual: actual, ready: false };
var subscriptionParsed = TestScheduler.parseMarblesAsSubscriptions(subscriptionMarbles, this.runMode);
var subscriptionFrame = subscriptionParsed.subscribedFrame === Number.POSITIVE_INFINITY ?
0 : subscriptionParsed.subscribedFrame;
var unsubscriptionFrame = subscriptionParsed.unsubscribedFrame;
var subscription;
this.schedule(function () {
subscription = observable.subscribe(function (x) {
var value = x;
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() });
});
}, subscriptionFrame);
if (unsubscriptionFrame !== Number.POSITIVE_INFINITY) {
this.schedule(function () { return subscription.unsubscribe(); }, unsubscriptionFrame);
}
this.flushTests.push(flushTest);
var runMode = this.runMode;
return {
toBe: function (marbles, values, errorValue) {
flushTest.ready = true;
flushTest.expected = TestScheduler.parseMarbles(marbles, values, errorValue, true, runMode);
}
};
};
TestScheduler.prototype.expectSubscriptions = function (actualSubscriptionLogs) {
var flushTest = { actual: actualSubscriptionLogs, ready: false };
this.flushTests.push(flushTest);
var runMode = this.runMode;
return {
toBe: function (marbles) {
var marblesArray = (typeof marbles === 'string') ? [marbles] : marbles;
flushTest.ready = true;
flushTest.expected = marblesArray.map(function (marbles) {
return TestScheduler.parseMarblesAsSubscriptions(marbles, runMode);
});
}
};
};
TestScheduler.prototype.flush = function () {
var _this = this;
var hotObservables = this.hotObservables;
while (hotObservables.length > 0) {
hotObservables.shift().setup();
}
_super.prototype.flush.call(this);
this.flushTests = this.flushTests.filter(function (test) {
if (test.ready) {
_this.assertDeepEqual(test.actual, test.expected);
return false;
}
return true;
});
};
TestScheduler.parseMarblesAsSubscriptions = function (marbles, runMode) {
var _this = this;
if (runMode === void 0) { runMode = false; }
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;
var frame = 0;
var _loop_1 = function (i) {
var nextFrame = frame;
var advanceFrameBy = function (count) {
nextFrame += count * _this.frameTimeFactor;
};
var c = marbles[i];
switch (c) {
case ' ':
if (!runMode) {
advanceFrameBy(1);
}
break;
case '-':
advanceFrameBy(1);
break;
case '(':
groupStart = frame;
advanceFrameBy(1);
break;
case ')':
groupStart = -1;
advanceFrameBy(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;
advanceFrameBy(1);
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:
if (runMode && c.match(/^[0-9]$/)) {
if (i === 0 || marbles[i - 1] === ' ') {
var buffer = marbles.slice(i);
var match = buffer.match(/^([0-9]+(?:\.[0-9]+)?)(ms|s|m) /);
if (match) {
i += match[0].length - 1;
var duration = parseFloat(match[1]);
var unit = match[2];
var durationInMs = void 0;
switch (unit) {
case 'ms':
durationInMs = duration;
break;
case 's':
durationInMs = duration * 1000;
break;
case 'm':
durationInMs = duration * 1000 * 60;
break;
default:
break;
}
advanceFrameBy(durationInMs / this_1.frameTimeFactor);
break;
}
}
}
throw new Error('there can only be \'^\' and \'!\' markers in a ' +
'subscription marble diagram. Found instead \'' + c + '\'.');
}
frame = nextFrame;
out_i_1 = i;
};
var this_1 = this, out_i_1;
for (var i = 0; i < len; i++) {
_loop_1(i);
i = out_i_1;
}
if (unsubscriptionFrame < 0) {
return new SubscriptionLog_1.SubscriptionLog(subscriptionFrame);
}
else {
return new SubscriptionLog_1.SubscriptionLog(subscriptionFrame, unsubscriptionFrame);
}
};
TestScheduler.parseMarbles = function (marbles, values, errorValue, materializeInnerObservables, runMode) {
var _this = this;
if (materializeInnerObservables === void 0) { materializeInnerObservables = false; }
if (runMode === void 0) { runMode = false; }
if (marbles.indexOf('!') !== -1) {
throw new Error('conventional marble diagrams cannot have the ' +
'unsubscription marker "!"');
}
var len = marbles.length;
var testMessages = [];
var subIndex = runMode ? marbles.replace(/^[ ]+/, '').indexOf('^') : marbles.indexOf('^');
var frame = subIndex === -1 ? 0 : (subIndex * -this.frameTimeFactor);
var getValue = typeof values !== 'object' ?
function (x) { return x; } :
function (x) {
if (materializeInnerObservables && values[x] instanceof ColdObservable_1.ColdObservable) {
return values[x].messages;
}
return values[x];
};
var groupStart = -1;
var _loop_2 = function (i) {
var nextFrame = frame;
var advanceFrameBy = function (count) {
nextFrame += count * _this.frameTimeFactor;
};
var notification = void 0;
var c = marbles[i];
switch (c) {
case ' ':
if (!runMode) {
advanceFrameBy(1);
}
break;
case '-':
advanceFrameBy(1);
break;
case '(':
groupStart = frame;
advanceFrameBy(1);
break;
case ')':
groupStart = -1;
advanceFrameBy(1);
break;
case '|':
notification = Notification_1.Notification.createComplete();
advanceFrameBy(1);
break;
case '^':
advanceFrameBy(1);
break;
case '#':
notification = Notification_1.Notification.createError(errorValue || 'error');
advanceFrameBy(1);
break;
default:
if (runMode && c.match(/^[0-9]$/)) {
if (i === 0 || marbles[i - 1] === ' ') {
var buffer = marbles.slice(i);
var match = buffer.match(/^([0-9]+(?:\.[0-9]+)?)(ms|s|m) /);
if (match) {
i += match[0].length - 1;
var duration = parseFloat(match[1]);
var unit = match[2];
var durationInMs = void 0;
switch (unit) {
case 'ms':
durationInMs = duration;
break;
case 's':
durationInMs = duration * 1000;
break;
case 'm':
durationInMs = duration * 1000 * 60;
break;
default:
break;
}
advanceFrameBy(durationInMs / this_2.frameTimeFactor);
break;
}
}
}
notification = Notification_1.Notification.createNext(getValue(c));
advanceFrameBy(1);
break;
}
if (notification) {
testMessages.push({ frame: groupStart > -1 ? groupStart : frame, notification: notification });
}
frame = nextFrame;
out_i_2 = i;
};
var this_2 = this, out_i_2;
for (var i = 0; i < len; i++) {
_loop_2(i);
i = out_i_2;
}
return testMessages;
};
TestScheduler.prototype.run = function (callback) {
var prevFrameTimeFactor = TestScheduler.frameTimeFactor;
var prevMaxFrames = this.maxFrames;
TestScheduler.frameTimeFactor = 1;
this.maxFrames = Number.POSITIVE_INFINITY;
this.runMode = true;
AsyncScheduler_1.AsyncScheduler.delegate = this;
var helpers = {
cold: this.createColdObservable.bind(this),
hot: this.createHotObservable.bind(this),
flush: this.flush.bind(this),
expectObservable: this.expectObservable.bind(this),
expectSubscriptions: this.expectSubscriptions.bind(this),
};
try {
var ret = callback(helpers);
this.flush();
return ret;
}
finally {
TestScheduler.frameTimeFactor = prevFrameTimeFactor;
this.maxFrames = prevMaxFrames;
this.runMode = false;
AsyncScheduler_1.AsyncScheduler.delegate = undefined;
}
};
return TestScheduler;
}(VirtualTimeScheduler_1.VirtualTimeScheduler));
exports.TestScheduler = TestScheduler;
//# sourceMappingURL=TestScheduler.js.map