forked from mirror/misskey
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
94 lines
2.6 KiB
TypeScript
94 lines
2.6 KiB
TypeScript
/*
|
|
* SPDX-FileCopyrightText: syuilo and misskey-project
|
|
* SPDX-License-Identifier: AGPL-3.0-only
|
|
*/
|
|
|
|
import { DebounceLoader } from '@/misc/loader.js';
|
|
|
|
class Mock {
|
|
loadCountByKey = new Map<number, number>();
|
|
load = async (key: number): Promise<number> => {
|
|
const count = this.loadCountByKey.get(key);
|
|
if (typeof count === 'undefined') {
|
|
this.loadCountByKey.set(key, 1);
|
|
} else {
|
|
this.loadCountByKey.set(key, count + 1);
|
|
}
|
|
return key * 2;
|
|
};
|
|
reset() {
|
|
this.loadCountByKey.clear();
|
|
}
|
|
}
|
|
|
|
describe(DebounceLoader, () => {
|
|
describe('single request', () => {
|
|
it('loads once', async () => {
|
|
const mock = new Mock();
|
|
const loader = new DebounceLoader(mock.load);
|
|
expect(await loader.load(7)).toBe(14);
|
|
expect(mock.loadCountByKey.size).toBe(1);
|
|
expect(mock.loadCountByKey.get(7)).toBe(1);
|
|
});
|
|
});
|
|
|
|
describe('two duplicated requests at same time', () => {
|
|
it('loads once', async () => {
|
|
const mock = new Mock();
|
|
const loader = new DebounceLoader(mock.load);
|
|
const [v1, v2] = await Promise.all([
|
|
loader.load(7),
|
|
loader.load(7),
|
|
]);
|
|
expect(v1).toBe(14);
|
|
expect(v2).toBe(14);
|
|
expect(mock.loadCountByKey.size).toBe(1);
|
|
expect(mock.loadCountByKey.get(7)).toBe(1);
|
|
});
|
|
});
|
|
|
|
describe('two different requests at same time', () => {
|
|
it('loads twice', async () => {
|
|
const mock = new Mock();
|
|
const loader = new DebounceLoader(mock.load);
|
|
const [v1, v2] = await Promise.all([
|
|
loader.load(7),
|
|
loader.load(13),
|
|
]);
|
|
expect(v1).toBe(14);
|
|
expect(v2).toBe(26);
|
|
expect(mock.loadCountByKey.size).toBe(2);
|
|
expect(mock.loadCountByKey.get(7)).toBe(1);
|
|
expect(mock.loadCountByKey.get(13)).toBe(1);
|
|
});
|
|
});
|
|
|
|
describe('non-continuous same two requests', () => {
|
|
it('loads twice', async () => {
|
|
const mock = new Mock();
|
|
const loader = new DebounceLoader(mock.load);
|
|
expect(await loader.load(7)).toBe(14);
|
|
expect(mock.loadCountByKey.size).toBe(1);
|
|
expect(mock.loadCountByKey.get(7)).toBe(1);
|
|
mock.reset();
|
|
expect(await loader.load(7)).toBe(14);
|
|
expect(mock.loadCountByKey.size).toBe(1);
|
|
expect(mock.loadCountByKey.get(7)).toBe(1);
|
|
});
|
|
});
|
|
|
|
describe('non-continuous different two requests', () => {
|
|
it('loads twice', async () => {
|
|
const mock = new Mock();
|
|
const loader = new DebounceLoader(mock.load);
|
|
expect(await loader.load(7)).toBe(14);
|
|
expect(mock.loadCountByKey.size).toBe(1);
|
|
expect(mock.loadCountByKey.get(7)).toBe(1);
|
|
mock.reset();
|
|
expect(await loader.load(13)).toBe(26);
|
|
expect(mock.loadCountByKey.size).toBe(1);
|
|
expect(mock.loadCountByKey.get(13)).toBe(1);
|
|
});
|
|
});
|
|
});
|