TestScheduler.js
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import { __extends, __read, __spreadArray, __values } from "tslib";
import { Observable } from '../Observable';
import { ColdObservable } from './ColdObservable';
import { HotObservable } from './HotObservable';
import { SubscriptionLog } from './SubscriptionLog';
import { VirtualTimeScheduler, VirtualAction } from '../scheduler/VirtualTimeScheduler';
import { COMPLETE_NOTIFICATION, errorNotification, nextNotification } from '../NotificationFactories';
import { dateTimestampProvider } from '../scheduler/dateTimestampProvider';
import { performanceTimestampProvider } from '../scheduler/performanceTimestampProvider';
import { animationFrameProvider } from '../scheduler/animationFrameProvider';
import { immediateProvider } from '../scheduler/immediateProvider';
import { intervalProvider } from '../scheduler/intervalProvider';
import { timeoutProvider } from '../scheduler/timeoutProvider';
var defaultMaxFrame = 750;
var TestScheduler = (function (_super) {
__extends(TestScheduler, _super);
function TestScheduler(assertDeepEqual) {
var _this = _super.call(this, VirtualAction, defaultMaxFrame) || this;
_this.assertDeepEqual = assertDeepEqual;
_this.hotObservables = [];
_this.coldObservables = [];
_this.flushTests = [];
_this.runMode = false;
return _this;
}
TestScheduler.prototype.createTime = function (marbles) {
var indexOf = this.runMode ? marbles.trim().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(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(messages, this);
this.hotObservables.push(subject);
return subject;
};
TestScheduler.prototype.materializeInnerObservable = function (observable, outerFrame) {
var _this = this;
var messages = [];
observable.subscribe({
next: function (value) {
messages.push({ frame: _this.frame - outerFrame, notification: nextNotification(value) });
},
error: function (error) {
messages.push({ frame: _this.frame - outerFrame, notification: errorNotification(error) });
},
complete: function () {
messages.push({ frame: _this.frame - outerFrame, notification: COMPLETE_NOTIFICATION });
},
});
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 === Infinity ? 0 : subscriptionParsed.subscribedFrame;
var unsubscriptionFrame = subscriptionParsed.unsubscribedFrame;
var subscription;
this.schedule(function () {
subscription = observable.subscribe({
next: function (x) {
var value = x instanceof Observable ? _this.materializeInnerObservable(x, _this.frame) : x;
actual.push({ frame: _this.frame, notification: nextNotification(value) });
},
error: function (error) {
actual.push({ frame: _this.frame, notification: errorNotification(error) });
},
complete: function () {
actual.push({ frame: _this.frame, notification: COMPLETE_NOTIFICATION });
},
});
}, subscriptionFrame);
if (unsubscriptionFrame !== 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);
},
toEqual: function (other) {
flushTest.ready = true;
flushTest.expected = [];
_this.schedule(function () {
subscription = other.subscribe({
next: function (x) {
var value = x instanceof Observable ? _this.materializeInnerObservable(x, _this.frame) : x;
flushTest.expected.push({ frame: _this.frame, notification: nextNotification(value) });
},
error: function (error) {
flushTest.expected.push({ frame: _this.frame, notification: errorNotification(error) });
},
complete: function () {
flushTest.expected.push({ frame: _this.frame, notification: COMPLETE_NOTIFICATION });
},
});
}, subscriptionFrame);
},
};
};
TestScheduler.prototype.expectSubscriptions = function (actualSubscriptionLogs) {
var flushTest = { actual: actualSubscriptionLogs, ready: false };
this.flushTests.push(flushTest);
var runMode = this.runMode;
return {
toBe: function (marblesOrMarblesArray) {
var marblesArray = typeof marblesOrMarblesArray === 'string' ? [marblesOrMarblesArray] : marblesOrMarblesArray;
flushTest.ready = true;
flushTest.expected = marblesArray
.map(function (marbles) { return TestScheduler.parseMarblesAsSubscriptions(marbles, runMode); })
.filter(function (marbles) { return marbles.subscribedFrame !== Infinity; });
},
};
};
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(Infinity);
}
var characters = __spreadArray([], __read(marbles));
var len = characters.length;
var groupStart = -1;
var subscriptionFrame = Infinity;
var unsubscriptionFrame = Infinity;
var frame = 0;
var _loop_1 = function (i) {
var nextFrame = frame;
var advanceFrameBy = function (count) {
nextFrame += count * _this.frameTimeFactor;
};
var c = characters[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 !== 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 !== Infinity) {
throw new Error("found a second unsubscription 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 || characters[i - 1] === ' ') {
var buffer = characters.slice(i).join('');
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(subscriptionFrame);
}
else {
return new 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 characters = __spreadArray([], __read(marbles));
var len = characters.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) {
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 = characters[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 = COMPLETE_NOTIFICATION;
advanceFrameBy(1);
break;
case '^':
advanceFrameBy(1);
break;
case '#':
notification = errorNotification(errorValue || 'error');
advanceFrameBy(1);
break;
default:
if (runMode && c.match(/^[0-9]$/)) {
if (i === 0 || characters[i - 1] === ' ') {
var buffer = characters.slice(i).join('');
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 = nextNotification(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.createAnimator = function () {
var _this = this;
if (!this.runMode) {
throw new Error('animate() must only be used in run mode');
}
var lastHandle = 0;
var map;
var delegate = {
requestAnimationFrame: function (callback) {
if (!map) {
throw new Error('animate() was not called within run()');
}
var handle = ++lastHandle;
map.set(handle, callback);
return handle;
},
cancelAnimationFrame: function (handle) {
if (!map) {
throw new Error('animate() was not called within run()');
}
map.delete(handle);
},
};
var animate = function (marbles) {
var e_1, _a;
if (map) {
throw new Error('animate() must not be called more than once within run()');
}
if (/[|#]/.test(marbles)) {
throw new Error('animate() must not complete or error');
}
map = new Map();
var messages = TestScheduler.parseMarbles(marbles, undefined, undefined, undefined, true);
try {
for (var messages_1 = __values(messages), messages_1_1 = messages_1.next(); !messages_1_1.done; messages_1_1 = messages_1.next()) {
var message = messages_1_1.value;
_this.schedule(function () {
var e_2, _a;
var now = _this.now();
var callbacks = Array.from(map.values());
map.clear();
try {
for (var callbacks_1 = (e_2 = void 0, __values(callbacks)), callbacks_1_1 = callbacks_1.next(); !callbacks_1_1.done; callbacks_1_1 = callbacks_1.next()) {
var callback = callbacks_1_1.value;
callback(now);
}
}
catch (e_2_1) { e_2 = { error: e_2_1 }; }
finally {
try {
if (callbacks_1_1 && !callbacks_1_1.done && (_a = callbacks_1.return)) _a.call(callbacks_1);
}
finally { if (e_2) throw e_2.error; }
}
}, message.frame);
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (messages_1_1 && !messages_1_1.done && (_a = messages_1.return)) _a.call(messages_1);
}
finally { if (e_1) throw e_1.error; }
}
};
return { animate: animate, delegate: delegate };
};
TestScheduler.prototype.createDelegates = function () {
var _this = this;
var lastHandle = 0;
var scheduleLookup = new Map();
var run = function () {
var now = _this.now();
var scheduledRecords = Array.from(scheduleLookup.values());
var scheduledRecordsDue = scheduledRecords.filter(function (_a) {
var due = _a.due;
return due <= now;
});
var dueImmediates = scheduledRecordsDue.filter(function (_a) {
var type = _a.type;
return type === 'immediate';
});
if (dueImmediates.length > 0) {
var _a = dueImmediates[0], handle = _a.handle, handler = _a.handler;
scheduleLookup.delete(handle);
handler();
return;
}
var dueIntervals = scheduledRecordsDue.filter(function (_a) {
var type = _a.type;
return type === 'interval';
});
if (dueIntervals.length > 0) {
var firstDueInterval = dueIntervals[0];
var duration = firstDueInterval.duration, handler = firstDueInterval.handler;
firstDueInterval.due = now + duration;
firstDueInterval.subscription = _this.schedule(run, duration);
handler();
return;
}
var dueTimeouts = scheduledRecordsDue.filter(function (_a) {
var type = _a.type;
return type === 'timeout';
});
if (dueTimeouts.length > 0) {
var _b = dueTimeouts[0], handle = _b.handle, handler = _b.handler;
scheduleLookup.delete(handle);
handler();
return;
}
throw new Error('Expected a due immediate or interval');
};
var immediate = {
setImmediate: function (handler) {
var handle = ++lastHandle;
scheduleLookup.set(handle, {
due: _this.now(),
duration: 0,
handle: handle,
handler: handler,
subscription: _this.schedule(run, 0),
type: 'immediate',
});
return handle;
},
clearImmediate: function (handle) {
var value = scheduleLookup.get(handle);
if (value) {
value.subscription.unsubscribe();
scheduleLookup.delete(handle);
}
},
};
var interval = {
setInterval: function (handler, duration) {
if (duration === void 0) { duration = 0; }
var handle = ++lastHandle;
scheduleLookup.set(handle, {
due: _this.now() + duration,
duration: duration,
handle: handle,
handler: handler,
subscription: _this.schedule(run, duration),
type: 'interval',
});
return handle;
},
clearInterval: function (handle) {
var value = scheduleLookup.get(handle);
if (value) {
value.subscription.unsubscribe();
scheduleLookup.delete(handle);
}
},
};
var timeout = {
setTimeout: function (handler, duration) {
if (duration === void 0) { duration = 0; }
var handle = ++lastHandle;
scheduleLookup.set(handle, {
due: _this.now() + duration,
duration: duration,
handle: handle,
handler: handler,
subscription: _this.schedule(run, duration),
type: 'timeout',
});
return handle;
},
clearTimeout: function (handle) {
var value = scheduleLookup.get(handle);
if (value) {
value.subscription.unsubscribe();
scheduleLookup.delete(handle);
}
},
};
return { immediate: immediate, interval: interval, timeout: timeout };
};
TestScheduler.prototype.run = function (callback) {
var prevFrameTimeFactor = TestScheduler.frameTimeFactor;
var prevMaxFrames = this.maxFrames;
TestScheduler.frameTimeFactor = 1;
this.maxFrames = Infinity;
this.runMode = true;
var animator = this.createAnimator();
var delegates = this.createDelegates();
animationFrameProvider.delegate = animator.delegate;
dateTimestampProvider.delegate = this;
immediateProvider.delegate = delegates.immediate;
intervalProvider.delegate = delegates.interval;
timeoutProvider.delegate = delegates.timeout;
performanceTimestampProvider.delegate = this;
var helpers = {
cold: this.createColdObservable.bind(this),
hot: this.createHotObservable.bind(this),
flush: this.flush.bind(this),
time: this.createTime.bind(this),
expectObservable: this.expectObservable.bind(this),
expectSubscriptions: this.expectSubscriptions.bind(this),
animate: animator.animate,
};
try {
var ret = callback(helpers);
this.flush();
return ret;
}
finally {
TestScheduler.frameTimeFactor = prevFrameTimeFactor;
this.maxFrames = prevMaxFrames;
this.runMode = false;
animationFrameProvider.delegate = undefined;
dateTimestampProvider.delegate = undefined;
immediateProvider.delegate = undefined;
intervalProvider.delegate = undefined;
timeoutProvider.delegate = undefined;
performanceTimestampProvider.delegate = undefined;
}
};
TestScheduler.frameTimeFactor = 10;
return TestScheduler;
}(VirtualTimeScheduler));
export { TestScheduler };
//# sourceMappingURL=TestScheduler.js.map