mirror of
https://git.joinsharkey.org/Sharkey/Sharkey.git
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29f6ba6310
* chore: add workflow which checks if SPDX ID exists * chore: add missing SPDX ID in some files * chore: change trigger condition * chore: trigger on push * lint
93 lines
2.6 KiB
TypeScript
93 lines
2.6 KiB
TypeScript
/*
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* SPDX-FileCopyrightText: syuilo and misskey-project
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* SPDX-License-Identifier: AGPL-3.0-only
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*/
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import { DebounceLoader } from '@/misc/loader.js';
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class Mock {
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loadCountByKey = new Map<number, number>();
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load = async (key: number): Promise<number> => {
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const count = this.loadCountByKey.get(key);
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if (typeof count === 'undefined') {
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this.loadCountByKey.set(key, 1);
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} else {
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this.loadCountByKey.set(key, count + 1);
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}
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return key * 2;
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};
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reset() {
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this.loadCountByKey.clear();
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}
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}
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describe(DebounceLoader, () => {
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describe('single request', () => {
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it('loads once', async () => {
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const mock = new Mock();
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const loader = new DebounceLoader(mock.load);
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expect(await loader.load(7)).toBe(14);
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expect(mock.loadCountByKey.size).toBe(1);
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expect(mock.loadCountByKey.get(7)).toBe(1);
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});
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});
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describe('two duplicated requests at same time', () => {
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it('loads once', async () => {
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const mock = new Mock();
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const loader = new DebounceLoader(mock.load);
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const [v1, v2] = await Promise.all([
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loader.load(7),
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loader.load(7),
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]);
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expect(v1).toBe(14);
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expect(v2).toBe(14);
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expect(mock.loadCountByKey.size).toBe(1);
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expect(mock.loadCountByKey.get(7)).toBe(1);
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});
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});
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describe('two different requests at same time', () => {
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it('loads twice', async () => {
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const mock = new Mock();
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const loader = new DebounceLoader(mock.load);
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const [v1, v2] = await Promise.all([
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loader.load(7),
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loader.load(13),
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]);
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expect(v1).toBe(14);
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expect(v2).toBe(26);
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expect(mock.loadCountByKey.size).toBe(2);
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expect(mock.loadCountByKey.get(7)).toBe(1);
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expect(mock.loadCountByKey.get(13)).toBe(1);
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});
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});
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describe('non-continuous same two requests', () => {
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it('loads twice', async () => {
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const mock = new Mock();
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const loader = new DebounceLoader(mock.load);
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expect(await loader.load(7)).toBe(14);
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expect(mock.loadCountByKey.size).toBe(1);
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expect(mock.loadCountByKey.get(7)).toBe(1);
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mock.reset();
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expect(await loader.load(7)).toBe(14);
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expect(mock.loadCountByKey.size).toBe(1);
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expect(mock.loadCountByKey.get(7)).toBe(1);
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});
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});
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describe('non-continuous different two requests', () => {
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it('loads twice', async () => {
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const mock = new Mock();
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const loader = new DebounceLoader(mock.load);
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expect(await loader.load(7)).toBe(14);
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expect(mock.loadCountByKey.size).toBe(1);
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expect(mock.loadCountByKey.get(7)).toBe(1);
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mock.reset();
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expect(await loader.load(13)).toBe(26);
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expect(mock.loadCountByKey.size).toBe(1);
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expect(mock.loadCountByKey.get(13)).toBe(1);
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});
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});
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});
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