update

node_modules/rxjs/_esm2015/testing/TestScheduler.js

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+import { Observable } from '../Observable';
+import { Notification } from '../Notification';
+import { ColdObservable } from './ColdObservable';
+import { HotObservable } from './HotObservable';
+import { SubscriptionLog } from './SubscriptionLog';
+import { VirtualTimeScheduler, VirtualAction } from '../scheduler/VirtualTimeScheduler';
+const defaultMaxFrame = 750;
+export class TestScheduler extends VirtualTimeScheduler {
+    constructor(assertDeepEqual) {
+        super(VirtualAction, defaultMaxFrame);
+        this.assertDeepEqual = assertDeepEqual;
+        this.hotObservables = [];
+        this.coldObservables = [];
+        this.flushTests = [];
+    }
+    createTime(marbles) {
+        const 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);
+        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);
+        const subject = new HotObservable(messages, this);
+        this.hotObservables.push(subject);
+        return subject;
+    }
+    materializeInnerObservable(observable, outerFrame) {
+        const messages = [];
+        observable.subscribe((value) => {
+            messages.push({ frame: this.frame - outerFrame, notification: Notification.createNext(value) });
+        }, (err) => {
+            messages.push({ frame: this.frame - outerFrame, notification: Notification.createError(err) });
+        }, () => {
+            messages.push({ frame: this.frame - outerFrame, notification: Notification.createComplete() });
+        });
+        return messages;
+    }
+    expectObservable(observable, unsubscriptionMarbles = null) {
+        const actual = [];
+        const flushTest = { actual, ready: false };
+        const unsubscriptionFrame = TestScheduler
+            .parseMarblesAsSubscriptions(unsubscriptionMarbles).unsubscribedFrame;
+        let subscription;
+        this.schedule(() => {
+            subscription = observable.subscribe(x => {
+                let value = x;
+                // Support Observable-of-Observables
+                if (x instanceof Observable) {
+                    value = this.materializeInnerObservable(value, this.frame);
+                }
+                actual.push({ frame: this.frame, notification: Notification.createNext(value) });
+            }, (err) => {
+                actual.push({ frame: this.frame, notification: Notification.createError(err) });
+            }, () => {
+                actual.push({ frame: this.frame, notification: Notification.createComplete() });
+            });
+        }, 0);
+        if (unsubscriptionFrame !== Number.POSITIVE_INFINITY) {
+            this.schedule(() => subscription.unsubscribe(), unsubscriptionFrame);
+        }
+        this.flushTests.push(flushTest);
+        return {
+            toBe(marbles, values, errorValue) {
+                flushTest.ready = true;
+                flushTest.expected = TestScheduler.parseMarbles(marbles, values, errorValue, true);
+            }
+        };
+    }
+    expectSubscriptions(actualSubscriptionLogs) {
+        const flushTest = { actual: actualSubscriptionLogs, ready: false };
+        this.flushTests.push(flushTest);
+        return {
+            toBe(marbles) {
+                const marblesArray = (typeof marbles === 'string') ? [marbles] : marbles;
+                flushTest.ready = true;
+                flushTest.expected = marblesArray.map(marbles => TestScheduler.parseMarblesAsSubscriptions(marbles));
+            }
+        };
+    }
+    flush() {
+        const hotObservables = this.hotObservables;
+        while (hotObservables.length > 0) {
+            hotObservables.shift().setup();
+        }
+        super.flush();
+        const readyFlushTests = this.flushTests.filter(test => test.ready);
+        while (readyFlushTests.length > 0) {
+            const test = readyFlushTests.shift();
+            this.assertDeepEqual(test.actual, test.expected);
+        }
+    }
+    static parseMarblesAsSubscriptions(marbles) {
+        if (typeof marbles !== 'string') {
+            return new SubscriptionLog(Number.POSITIVE_INFINITY);
+        }
+        const len = marbles.length;
+        let groupStart = -1;
+        let subscriptionFrame = Number.POSITIVE_INFINITY;
+        let unsubscriptionFrame = Number.POSITIVE_INFINITY;
+        for (let i = 0; i < len; i++) {
+            const frame = i * this.frameTimeFactor;
+            const 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(subscriptionFrame);
+        }
+        else {
+            return new SubscriptionLog(subscriptionFrame, unsubscriptionFrame);
+        }
+    }
+    static parseMarbles(marbles, values, errorValue, materializeInnerObservables = false) {
+        if (marbles.indexOf('!') !== -1) {
+            throw new Error('conventional marble diagrams cannot have the ' +
+                'unsubscription marker "!"');
+        }
+        const len = marbles.length;
+        const testMessages = [];
+        const subIndex = marbles.indexOf('^');
+        const frameOffset = subIndex === -1 ? 0 : (subIndex * -this.frameTimeFactor);
+        const getValue = typeof values !== 'object' ?
+                (x) => x :
+                (x) => {
+                // Support Observable-of-Observables
+                if (materializeInnerObservables && values[x] instanceof ColdObservable) {
+                    return values[x].messages;
+                }
+                return values[x];
+            };
+        let groupStart = -1;
+        for (let i = 0; i < len; i++) {
+            const frame = i * this.frameTimeFactor + frameOffset;
+            let notification;
+            const c = marbles[i];
+            switch (c) {
+                case '-':
+                case ' ':
+                    break;
+                case '(':
+                    groupStart = frame;
+                    break;
+                case ')':
+                    groupStart = -1;
+                    break;
+                case '|':
+                    notification = Notification.createComplete();
+                    break;
+                case '^':
+                    break;
+                case '#':
+                    notification = Notification.createError(errorValue || 'error');
+                    break;
+                default:
+                    notification = Notification.createNext(getValue(c));
+                    break;
+            }
+            if (notification) {
+                testMessages.push({ frame: groupStart > -1 ? groupStart : frame, notification });
+            }
+        }
+        return testMessages;
+    }
+}
+//# sourceMappingURL=TestScheduler.js.map