Michael Telatynski
2f4e6a4ec4
* Use vitest for some EW unit tests * Ensure library builds are done before unit tests * Stabilise jest tests * Move more tests over * Make sonar happier * Update types/node for happy-dom compat again * Decrease max-workers to stabilise jest tests * Split jest over 3 runners to alleviate memory woes * Switch jest to runInBand * Attempt to deflake jest tests * tweak coverage * tweak coverage
72 lines
2.5 KiB
TypeScript
72 lines
2.5 KiB
TypeScript
/*
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Copyright 2024 New Vector Ltd.
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Copyright 2021 The Matrix.org Foundation C.I.C.
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SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only OR LicenseRef-Element-Commercial
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Please see LICENSE files in the repository root for full details.
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*/
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import { describe, it, expect } from "vitest";
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import { iterableDiff, iterableIntersection } from "./iterables";
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describe("iterables", () => {
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describe("iterableIntersection", () => {
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it("should return the intersection", () => {
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const a = [1, 2, 3];
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const b = [1, 2, 4]; // note diff
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const result = iterableIntersection(a, b);
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expect(result).toBeDefined();
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expect(result).toHaveLength(2);
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expect(result).toEqual([1, 2]);
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});
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it("should return an empty array on no matches", () => {
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const a = [1, 2, 3];
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const b = [4, 5, 6];
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const result = iterableIntersection(a, b);
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expect(result).toBeDefined();
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expect(result).toHaveLength(0);
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});
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});
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describe("iterableDiff", () => {
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it("should see added from A->B", () => {
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const a = [1, 2, 3];
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const b = [1, 2, 3, 4];
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const result = iterableDiff(a, b);
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expect(result).toBeDefined();
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expect(result.added).toBeDefined();
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expect(result.removed).toBeDefined();
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expect(result.added).toHaveLength(1);
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expect(result.removed).toHaveLength(0);
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expect(result.added).toEqual([4]);
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});
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it("should see removed from A->B", () => {
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const a = [1, 2, 3];
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const b = [1, 2];
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const result = iterableDiff(a, b);
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expect(result).toBeDefined();
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expect(result.added).toBeDefined();
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expect(result.removed).toBeDefined();
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expect(result.added).toHaveLength(0);
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expect(result.removed).toHaveLength(1);
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expect(result.removed).toEqual([3]);
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});
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it("should see added and removed in the same set", () => {
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const a = [1, 2, 3];
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const b = [1, 2, 4]; // note diff
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const result = iterableDiff(a, b);
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expect(result).toBeDefined();
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expect(result.added).toBeDefined();
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expect(result.removed).toBeDefined();
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expect(result.added).toHaveLength(1);
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expect(result.removed).toHaveLength(1);
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expect(result.added).toEqual([4]);
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expect(result.removed).toEqual([3]);
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});
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});
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});
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