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-rw-r--r--node_modules/rxjs/dist/esm/internal/testing/TestScheduler.js505
1 files changed, 505 insertions, 0 deletions
diff --git a/node_modules/rxjs/dist/esm/internal/testing/TestScheduler.js b/node_modules/rxjs/dist/esm/internal/testing/TestScheduler.js
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+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';
+const defaultMaxFrame = 750;
+export class TestScheduler extends VirtualTimeScheduler {
+ constructor(assertDeepEqual) {
+ super(VirtualAction, defaultMaxFrame);
+ this.assertDeepEqual = assertDeepEqual;
+ this.hotObservables = [];
+ this.coldObservables = [];
+ this.flushTests = [];
+ this.runMode = false;
+ }
+ createTime(marbles) {
+ const 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;
+ }
+ createColdObservable(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 "!"');
+ }
+ const messages = TestScheduler.parseMarbles(marbles, values, error, undefined, this.runMode);
+ const cold = new ColdObservable(messages, this);
+ this.coldObservables.push(cold);
+ return cold;
+ }
+ createHotObservable(marbles, values, error) {
+ if (marbles.indexOf('!') !== -1) {
+ throw new Error('hot observable cannot have unsubscription marker "!"');
+ }
+ const messages = TestScheduler.parseMarbles(marbles, values, error, undefined, this.runMode);
+ const subject = new HotObservable(messages, this);
+ this.hotObservables.push(subject);
+ return subject;
+ }
+ materializeInnerObservable(observable, outerFrame) {
+ const messages = [];
+ observable.subscribe({
+ next: (value) => {
+ messages.push({ frame: this.frame - outerFrame, notification: nextNotification(value) });
+ },
+ error: (error) => {
+ messages.push({ frame: this.frame - outerFrame, notification: errorNotification(error) });
+ },
+ complete: () => {
+ messages.push({ frame: this.frame - outerFrame, notification: COMPLETE_NOTIFICATION });
+ },
+ });
+ return messages;
+ }
+ expectObservable(observable, subscriptionMarbles = null) {
+ const actual = [];
+ const flushTest = { actual, ready: false };
+ const subscriptionParsed = TestScheduler.parseMarblesAsSubscriptions(subscriptionMarbles, this.runMode);
+ const subscriptionFrame = subscriptionParsed.subscribedFrame === Infinity ? 0 : subscriptionParsed.subscribedFrame;
+ const unsubscriptionFrame = subscriptionParsed.unsubscribedFrame;
+ let subscription;
+ this.schedule(() => {
+ subscription = observable.subscribe({
+ next: (x) => {
+ const value = x instanceof Observable ? this.materializeInnerObservable(x, this.frame) : x;
+ actual.push({ frame: this.frame, notification: nextNotification(value) });
+ },
+ error: (error) => {
+ actual.push({ frame: this.frame, notification: errorNotification(error) });
+ },
+ complete: () => {
+ actual.push({ frame: this.frame, notification: COMPLETE_NOTIFICATION });
+ },
+ });
+ }, subscriptionFrame);
+ if (unsubscriptionFrame !== Infinity) {
+ this.schedule(() => subscription.unsubscribe(), unsubscriptionFrame);
+ }
+ this.flushTests.push(flushTest);
+ const { runMode } = this;
+ return {
+ toBe(marbles, values, errorValue) {
+ flushTest.ready = true;
+ flushTest.expected = TestScheduler.parseMarbles(marbles, values, errorValue, true, runMode);
+ },
+ toEqual: (other) => {
+ flushTest.ready = true;
+ flushTest.expected = [];
+ this.schedule(() => {
+ subscription = other.subscribe({
+ next: (x) => {
+ const value = x instanceof Observable ? this.materializeInnerObservable(x, this.frame) : x;
+ flushTest.expected.push({ frame: this.frame, notification: nextNotification(value) });
+ },
+ error: (error) => {
+ flushTest.expected.push({ frame: this.frame, notification: errorNotification(error) });
+ },
+ complete: () => {
+ flushTest.expected.push({ frame: this.frame, notification: COMPLETE_NOTIFICATION });
+ },
+ });
+ }, subscriptionFrame);
+ },
+ };
+ }
+ expectSubscriptions(actualSubscriptionLogs) {
+ const flushTest = { actual: actualSubscriptionLogs, ready: false };
+ this.flushTests.push(flushTest);
+ const { runMode } = this;
+ return {
+ toBe(marblesOrMarblesArray) {
+ const marblesArray = typeof marblesOrMarblesArray === 'string' ? [marblesOrMarblesArray] : marblesOrMarblesArray;
+ flushTest.ready = true;
+ flushTest.expected = marblesArray
+ .map((marbles) => TestScheduler.parseMarblesAsSubscriptions(marbles, runMode))
+ .filter((marbles) => marbles.subscribedFrame !== Infinity);
+ },
+ };
+ }
+ flush() {
+ const hotObservables = this.hotObservables;
+ while (hotObservables.length > 0) {
+ hotObservables.shift().setup();
+ }
+ super.flush();
+ this.flushTests = this.flushTests.filter((test) => {
+ if (test.ready) {
+ this.assertDeepEqual(test.actual, test.expected);
+ return false;
+ }
+ return true;
+ });
+ }
+ static parseMarblesAsSubscriptions(marbles, runMode = false) {
+ if (typeof marbles !== 'string') {
+ return new SubscriptionLog(Infinity);
+ }
+ const characters = [...marbles];
+ const len = characters.length;
+ let groupStart = -1;
+ let subscriptionFrame = Infinity;
+ let unsubscriptionFrame = Infinity;
+ let frame = 0;
+ for (let i = 0; i < len; i++) {
+ let nextFrame = frame;
+ const advanceFrameBy = (count) => {
+ nextFrame += count * this.frameTimeFactor;
+ };
+ const 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] === ' ') {
+ const buffer = characters.slice(i).join('');
+ const match = buffer.match(/^([0-9]+(?:\.[0-9]+)?)(ms|s|m) /);
+ if (match) {
+ i += match[0].length - 1;
+ const duration = parseFloat(match[1]);
+ const unit = match[2];
+ let durationInMs;
+ 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.frameTimeFactor);
+ break;
+ }
+ }
+ }
+ throw new Error("there can only be '^' and '!' markers in a " + "subscription marble diagram. Found instead '" + c + "'.");
+ }
+ frame = nextFrame;
+ }
+ if (unsubscriptionFrame < 0) {
+ return new SubscriptionLog(subscriptionFrame);
+ }
+ else {
+ return new SubscriptionLog(subscriptionFrame, unsubscriptionFrame);
+ }
+ }
+ static parseMarbles(marbles, values, errorValue, materializeInnerObservables = false, runMode = false) {
+ if (marbles.indexOf('!') !== -1) {
+ throw new Error('conventional marble diagrams cannot have the ' + 'unsubscription marker "!"');
+ }
+ const characters = [...marbles];
+ const len = characters.length;
+ const testMessages = [];
+ const subIndex = runMode ? marbles.replace(/^[ ]+/, '').indexOf('^') : marbles.indexOf('^');
+ let frame = subIndex === -1 ? 0 : subIndex * -this.frameTimeFactor;
+ const getValue = typeof values !== 'object'
+ ? (x) => x
+ : (x) => {
+ if (materializeInnerObservables && values[x] instanceof ColdObservable) {
+ return values[x].messages;
+ }
+ return values[x];
+ };
+ let groupStart = -1;
+ for (let i = 0; i < len; i++) {
+ let nextFrame = frame;
+ const advanceFrameBy = (count) => {
+ nextFrame += count * this.frameTimeFactor;
+ };
+ let notification;
+ const 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] === ' ') {
+ const buffer = characters.slice(i).join('');
+ const match = buffer.match(/^([0-9]+(?:\.[0-9]+)?)(ms|s|m) /);
+ if (match) {
+ i += match[0].length - 1;
+ const duration = parseFloat(match[1]);
+ const unit = match[2];
+ let durationInMs;
+ 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.frameTimeFactor);
+ break;
+ }
+ }
+ }
+ notification = nextNotification(getValue(c));
+ advanceFrameBy(1);
+ break;
+ }
+ if (notification) {
+ testMessages.push({ frame: groupStart > -1 ? groupStart : frame, notification });
+ }
+ frame = nextFrame;
+ }
+ return testMessages;
+ }
+ createAnimator() {
+ if (!this.runMode) {
+ throw new Error('animate() must only be used in run mode');
+ }
+ let lastHandle = 0;
+ let map;
+ const delegate = {
+ requestAnimationFrame(callback) {
+ if (!map) {
+ throw new Error('animate() was not called within run()');
+ }
+ const handle = ++lastHandle;
+ map.set(handle, callback);
+ return handle;
+ },
+ cancelAnimationFrame(handle) {
+ if (!map) {
+ throw new Error('animate() was not called within run()');
+ }
+ map.delete(handle);
+ },
+ };
+ const animate = (marbles) => {
+ 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();
+ const messages = TestScheduler.parseMarbles(marbles, undefined, undefined, undefined, true);
+ for (const message of messages) {
+ this.schedule(() => {
+ const now = this.now();
+ const callbacks = Array.from(map.values());
+ map.clear();
+ for (const callback of callbacks) {
+ callback(now);
+ }
+ }, message.frame);
+ }
+ };
+ return { animate, delegate };
+ }
+ createDelegates() {
+ let lastHandle = 0;
+ const scheduleLookup = new Map();
+ const run = () => {
+ const now = this.now();
+ const scheduledRecords = Array.from(scheduleLookup.values());
+ const scheduledRecordsDue = scheduledRecords.filter(({ due }) => due <= now);
+ const dueImmediates = scheduledRecordsDue.filter(({ type }) => type === 'immediate');
+ if (dueImmediates.length > 0) {
+ const { handle, handler } = dueImmediates[0];
+ scheduleLookup.delete(handle);
+ handler();
+ return;
+ }
+ const dueIntervals = scheduledRecordsDue.filter(({ type }) => type === 'interval');
+ if (dueIntervals.length > 0) {
+ const firstDueInterval = dueIntervals[0];
+ const { duration, handler } = firstDueInterval;
+ firstDueInterval.due = now + duration;
+ firstDueInterval.subscription = this.schedule(run, duration);
+ handler();
+ return;
+ }
+ const dueTimeouts = scheduledRecordsDue.filter(({ type }) => type === 'timeout');
+ if (dueTimeouts.length > 0) {
+ const { handle, handler } = dueTimeouts[0];
+ scheduleLookup.delete(handle);
+ handler();
+ return;
+ }
+ throw new Error('Expected a due immediate or interval');
+ };
+ const immediate = {
+ setImmediate: (handler) => {
+ const handle = ++lastHandle;
+ scheduleLookup.set(handle, {
+ due: this.now(),
+ duration: 0,
+ handle,
+ handler,
+ subscription: this.schedule(run, 0),
+ type: 'immediate',
+ });
+ return handle;
+ },
+ clearImmediate: (handle) => {
+ const value = scheduleLookup.get(handle);
+ if (value) {
+ value.subscription.unsubscribe();
+ scheduleLookup.delete(handle);
+ }
+ },
+ };
+ const interval = {
+ setInterval: (handler, duration = 0) => {
+ const handle = ++lastHandle;
+ scheduleLookup.set(handle, {
+ due: this.now() + duration,
+ duration,
+ handle,
+ handler,
+ subscription: this.schedule(run, duration),
+ type: 'interval',
+ });
+ return handle;
+ },
+ clearInterval: (handle) => {
+ const value = scheduleLookup.get(handle);
+ if (value) {
+ value.subscription.unsubscribe();
+ scheduleLookup.delete(handle);
+ }
+ },
+ };
+ const timeout = {
+ setTimeout: (handler, duration = 0) => {
+ const handle = ++lastHandle;
+ scheduleLookup.set(handle, {
+ due: this.now() + duration,
+ duration,
+ handle,
+ handler,
+ subscription: this.schedule(run, duration),
+ type: 'timeout',
+ });
+ return handle;
+ },
+ clearTimeout: (handle) => {
+ const value = scheduleLookup.get(handle);
+ if (value) {
+ value.subscription.unsubscribe();
+ scheduleLookup.delete(handle);
+ }
+ },
+ };
+ return { immediate, interval, timeout };
+ }
+ run(callback) {
+ const prevFrameTimeFactor = TestScheduler.frameTimeFactor;
+ const prevMaxFrames = this.maxFrames;
+ TestScheduler.frameTimeFactor = 1;
+ this.maxFrames = Infinity;
+ this.runMode = true;
+ const animator = this.createAnimator();
+ const 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;
+ const 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 {
+ const 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;
+//# sourceMappingURL=TestScheduler.js.map \ No newline at end of file
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