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Merge matrix-react-sdk into element-web

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Merge remote-tracking branch 'repomerge/t3chguy/repomerge' into t3chguy/repo-merge

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>
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Michael Telatynski 2024-10-15 14:57:26 +01:00
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186
test/unit-tests/hooks/useDebouncedCallback-test.tsx Normal file
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/*
Copyright 2024 New Vector Ltd.
Copyright 2022 The Matrix.org Foundation C.I.C.
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
import { renderHook } from "@testing-library/react-hooks";
import { useDebouncedCallback } from "../../../src/hooks/spotlight/useDebouncedCallback";
describe("useDebouncedCallback", () => {
beforeAll(() => jest.useFakeTimers());
afterAll(() => jest.useRealTimers());
function render(enabled: boolean, callback: (...params: any[]) => void, params: any[]) {
return renderHook(({ enabled, callback, params }) => useDebouncedCallback(enabled, callback, params), {
initialProps: {
enabled,
callback,
params,
},
});
}
it("should be able to handle empty parameters", async () => {
// When
const params: any[] = [];
const callback = jest.fn();
render(true, callback, params);
jest.advanceTimersByTime(1);
// Then
expect(callback).toHaveBeenCalledTimes(0);
// When
jest.advanceTimersByTime(500);
// Then
expect(callback).toHaveBeenCalledTimes(1);
});
it("should call the callback with the parameters", async () => {
// When
const params = ["USER NAME"];
const callback = jest.fn();
render(true, callback, params);
jest.advanceTimersByTime(500);
// Then
expect(callback).toHaveBeenCalledTimes(1);
expect(callback).toHaveBeenCalledWith(...params);
});
it("should call the callback with the parameters when parameters change during the timeout", async () => {
// When
const params = ["USER NAME"];
const callback = jest.fn();
const { rerender } = render(true, callback, []);
jest.advanceTimersByTime(1);
rerender({ enabled: true, callback, params });
jest.advanceTimersByTime(500);
// Then
expect(callback).toHaveBeenCalledTimes(1);
expect(callback).toHaveBeenCalledWith(...params);
});
it("should handle multiple parameters", async () => {
// When
const params = [4, 8, 15, 16, 23, 42];
const callback = jest.fn();
const { rerender } = render(true, callback, []);
jest.advanceTimersByTime(1);
rerender({ enabled: true, callback, params });
jest.advanceTimersByTime(500);
// Then
expect(callback).toHaveBeenCalledTimes(1);
expect(callback).toHaveBeenCalledWith(...params);
});
it("should debounce quick changes", async () => {
// When
const queries = [
"U",
"US",
"USE",
"USER",
"USER ",
"USER N",
"USER NM",
"USER NMA",
"USER NM",
"USER N",
"USER NA",
"USER NAM",
"USER NAME",
];
const callback = jest.fn();
const { rerender } = render(true, callback, []);
jest.advanceTimersByTime(1);
for (const query of queries) {
rerender({ enabled: true, callback, params: [query] });
jest.advanceTimersByTime(50);
}
jest.advanceTimersByTime(500);
// Then
const query = queries[queries.length - 1];
expect(callback).toHaveBeenCalledTimes(1);
expect(callback).toHaveBeenCalledWith(query);
});
it("should not debounce slow changes", async () => {
// When
const queries = [
"U",
"US",
"USE",
"USER",
"USER ",
"USER N",
"USER NM",
"USER NMA",
"USER NM",
"USER N",
"USER NA",
"USER NAM",
"USER NAME",
];
const callback = jest.fn();
const { rerender } = render(true, callback, []);
jest.advanceTimersByTime(1);
for (const query of queries) {
rerender({ enabled: true, callback, params: [query] });
jest.advanceTimersByTime(200);
}
jest.advanceTimersByTime(500);
// Then
const query = queries[queries.length - 1];
expect(callback).toHaveBeenCalledTimes(queries.length);
expect(callback).toHaveBeenCalledWith(query);
});
it("should not call the callback if it’s disabled", async () => {
// When
const queries = [
"U",
"US",
"USE",
"USER",
"USER ",
"USER N",
"USER NM",
"USER NMA",
"USER NM",
"USER N",
"USER NA",
"USER NAM",
"USER NAME",
];
const callback = jest.fn();
const { rerender } = render(false, callback, []);
jest.advanceTimersByTime(1);
for (const query of queries) {
rerender({ enabled: false, callback, params: [query] });
jest.advanceTimersByTime(200);
}
jest.advanceTimersByTime(500);
// Then
expect(callback).toHaveBeenCalledTimes(0);
});
});