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element-web/test/unit-tests/utils/arrays-test.ts
Florian Duros 5cdcf44b6f
Second batch: Replace MatrixClient.isRoomEncrypted by MatrixClient.CryptoApi.isEncryptionEnabledInRoom (#28466) 
* Add `asyncFilter`

* Replace `MatrixClient.isRoomEncrypted` by `MatrixClient.CryptoApi.isEncryptionEnabledInRoom` in `MemberListStore.tsx`

* Replace `MatrixClient.isRoomEncrypted` by `MatrixClient.CryptoApi.isEncryptionEnabledInRoom` in `EventIndex.tsx`

* Replace `MatrixClient.isRoomEncrypted` by `MatrixClient.CryptoApi.isEncryptionEnabledInRoom` in `SendMessageComposer.tsx`

* Replace `MatrixClient.isRoomEncrypted` by `MatrixClient.CryptoApi.isEncryptionEnabledInRoom` in `ScalarMessaging.ts`

* Replace `MatrixClient.isRoomEncrypted` by `MatrixClient.CryptoApi.isEncryptionEnabledInRoom` in `RolesRoomSettingsTab.tsx`

* Add reject doc to `asyncFilter`

* Reverse `MemberListStore.loadMembers` condition

* Remove async for `ScalarMessaging.ts`

* Display permission section only after `isEncrypted` is computed

* Display composer only after `isEncrypted` is computed

* Revert "Display composer only after `isEncrypted` is computed"

This reverts commit 4d4e037391.

* Revert "Replace `MatrixClient.isRoomEncrypted` by `MatrixClient.CryptoApi.isEncryptionEnabledInRoom` in `SendMessageComposer.tsx`"

This reverts commit 6bf06da02c.
2024-11-20 14:27:09 +00:00

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TypeScript
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/*
Copyright 2024 New Vector Ltd.
Copyright 2021 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 {
arrayDiff,
arrayFastClone,
arrayFastResample,
arrayHasDiff,
arrayHasOrderChange,
arrayUnion,
arrayRescale,
arraySeed,
arraySmoothingResample,
arrayTrimFill,
arrayIntersection,
ArrayUtil,
GroupedArray,
concat,
asyncEvery,
asyncSome,
asyncSomeParallel,
asyncFilter,
} from "../../../src/utils/arrays";
type TestParams = { input: number[]; output: number[] };
type TestCase = [string, TestParams];
function expectSample(input: number[], expected: number[], smooth = false) {
const result = (smooth ? arraySmoothingResample : arrayFastResample)(input, expected.length);
expect(result).toBeDefined();
expect(result).toHaveLength(expected.length);
expect(result).toEqual(expected);
}
describe("arrays", () => {
describe("arrayFastResample", () => {
const downsampleCases: TestCase[] = [
["Odd -> Even", { input: [1, 2, 3, 4, 5], output: [1, 4] }],
["Odd -> Odd", { input: [1, 2, 3, 4, 5], output: [1, 3, 5] }],
["Even -> Odd", { input: [1, 2, 3, 4], output: [1, 2, 3] }],
["Even -> Even", { input: [1, 2, 3, 4], output: [1, 3] }],
];
it.each(downsampleCases)("downsamples correctly from %s", (_d, { input, output }) =>
expectSample(input, output),
);
const upsampleCases: TestCase[] = [
["Odd -> Even", { input: [1, 2, 3], output: [1, 1, 2, 2, 3, 3] }],
["Odd -> Odd", { input: [1, 2, 3], output: [1, 1, 2, 2, 3] }],
["Even -> Odd", { input: [1, 2], output: [1, 1, 1, 2, 2] }],
["Even -> Even", { input: [1, 2], output: [1, 1, 1, 2, 2, 2] }],
];
it.each(upsampleCases)("upsamples correctly from %s", (_d, { input, output }) => expectSample(input, output));
const maintainSampleCases: TestCase[] = [
["Odd", { input: [1, 2, 3], output: [1, 2, 3] }], // Odd
["Even", { input: [1, 2], output: [1, 2] }], // Even
];
it.each(maintainSampleCases)("maintains samples for %s", (_d, { input, output }) =>
expectSample(input, output),
);
});
describe("arraySmoothingResample", () => {
// Dev note: these aren't great samples, but they demonstrate the bare minimum. Ideally
// we'd be feeding a thousand values in and seeing what a curve of 250 values looks like,
// but that's not really feasible to manually verify accuracy.
const downsampleCases: TestCase[] = [
["Odd -> Even", { input: [4, 4, 1, 4, 4, 1, 4, 4, 1], output: [3, 3, 3, 3] }],
["Odd -> Odd", { input: [4, 4, 1, 4, 4, 1, 4, 4, 1], output: [3, 3, 3] }],
["Even -> Odd", { input: [4, 4, 1, 4, 4, 1, 4, 4], output: [3, 3, 3] }],
["Even -> Even", { input: [4, 4, 1, 4, 4, 1, 4, 4], output: [3, 3] }],
];
it.each(downsampleCases)("downsamples correctly from %s", (_d, { input, output }) =>
expectSample(input, output, true),
);
const upsampleCases: TestCase[] = [
["Odd -> Even", { input: [2, 0, 2], output: [2, 2, 0, 0, 2, 2] }],
["Odd -> Odd", { input: [2, 0, 2], output: [2, 2, 0, 0, 2] }],
["Even -> Odd", { input: [2, 0], output: [2, 2, 2, 0, 0] }],
["Even -> Even", { input: [2, 0], output: [2, 2, 2, 0, 0, 0] }],
];
it.each(upsampleCases)("upsamples correctly from %s", (_d, { input, output }) =>
expectSample(input, output, true),
);
const maintainCases: TestCase[] = [
["Odd", { input: [2, 0, 2], output: [2, 0, 2] }],
["Even", { input: [2, 0], output: [2, 0] }],
];
it.each(maintainCases)("maintains samples for %s", (_d, { input, output }) => expectSample(input, output));
});
describe("arrayRescale", () => {
it("should rescale", () => {
const input = [8, 9, 1, 0, 2, 7, 10];
const output = [80, 90, 10, 0, 20, 70, 100];
const result = arrayRescale(input, 0, 100);
expect(result).toBeDefined();
expect(result).toHaveLength(output.length);
expect(result).toEqual(output);
});
});
describe("arrayTrimFill", () => {
it("should shrink arrays", () => {
const input = [1, 2, 3];
const output = [1, 2];
const seed = [4, 5, 6];
const result = arrayTrimFill(input, output.length, seed);
expect(result).toBeDefined();
expect(result).toHaveLength(output.length);
expect(result).toEqual(output);
});
it("should expand arrays", () => {
const input = [1, 2, 3];
const output = [1, 2, 3, 4, 5];
const seed = [4, 5, 6];
const result = arrayTrimFill(input, output.length, seed);
expect(result).toBeDefined();
expect(result).toHaveLength(output.length);
expect(result).toEqual(output);
});
it("should keep arrays the same", () => {
const input = [1, 2, 3];
const output = [1, 2, 3];
const seed = [4, 5, 6];
const result = arrayTrimFill(input, output.length, seed);
expect(result).toBeDefined();
expect(result).toHaveLength(output.length);
expect(result).toEqual(output);
});
});
describe("arraySeed", () => {
it("should create an array of given length", () => {
const val = 1;
const output = [val, val, val];
const result = arraySeed(val, output.length);
expect(result).toBeDefined();
expect(result).toHaveLength(output.length);
expect(result).toEqual(output);
});
it("should maintain pointers", () => {
const val = {}; // this works because `{} !== {}`, which is what toEqual checks
const output = [val, val, val];
const result = arraySeed(val, output.length);
expect(result).toBeDefined();
expect(result).toHaveLength(output.length);
expect(result).toEqual(output);
});
});
describe("arrayFastClone", () => {
it("should break pointer reference on source array", () => {
const val = {}; // we'll test to make sure the values maintain pointers too
const input = [val, val, val];
const result = arrayFastClone(input);
expect(result).toBeDefined();
expect(result).toHaveLength(input.length);
expect(result).toEqual(input); // we want the array contents to match...
expect(result).not.toBe(input); // ... but be a different reference
});
});
describe("arrayHasOrderChange", () => {
it("should flag true on B ordering difference", () => {
const a = [1, 2, 3];
const b = [3, 2, 1];
const result = arrayHasOrderChange(a, b);
expect(result).toBe(true);
});
it("should flag false on no ordering difference", () => {
const a = [1, 2, 3];
const b = [1, 2, 3];
const result = arrayHasOrderChange(a, b);
expect(result).toBe(false);
});
it("should flag true on A length > B length", () => {
const a = [1, 2, 3, 4];
const b = [1, 2, 3];
const result = arrayHasOrderChange(a, b);
expect(result).toBe(true);
});
it("should flag true on A length < B length", () => {
const a = [1, 2, 3];
const b = [1, 2, 3, 4];
const result = arrayHasOrderChange(a, b);
expect(result).toBe(true);
});
});
describe("arrayHasDiff", () => {
it("should flag true on A length > B length", () => {
const a = [1, 2, 3, 4];
const b = [1, 2, 3];
const result = arrayHasDiff(a, b);
expect(result).toBe(true);
});
it("should flag true on A length < B length", () => {
const a = [1, 2, 3];
const b = [1, 2, 3, 4];
const result = arrayHasDiff(a, b);
expect(result).toBe(true);
});
it("should flag true on element differences", () => {
const a = [1, 2, 3];
const b = [4, 5, 6];
const result = arrayHasDiff(a, b);
expect(result).toBe(true);
});
it("should flag false if same but order different", () => {
const a = [1, 2, 3];
const b = [3, 1, 2];
const result = arrayHasDiff(a, b);
expect(result).toBe(false);
});
it("should flag false if same", () => {
const a = [1, 2, 3];
const b = [1, 2, 3];
const result = arrayHasDiff(a, b);
expect(result).toBe(false);
});
});
describe("arrayDiff", () => {
it("should see added from A->B", () => {
const a = [1, 2, 3];
const b = [1, 2, 3, 4];
const result = arrayDiff(a, b);
expect(result).toBeDefined();
expect(result.added).toBeDefined();
expect(result.removed).toBeDefined();
expect(result.added).toHaveLength(1);
expect(result.removed).toHaveLength(0);
expect(result.added).toEqual([4]);
});
it("should see removed from A->B", () => {
const a = [1, 2, 3];
const b = [1, 2];
const result = arrayDiff(a, b);
expect(result).toBeDefined();
expect(result.added).toBeDefined();
expect(result.removed).toBeDefined();
expect(result.added).toHaveLength(0);
expect(result.removed).toHaveLength(1);
expect(result.removed).toEqual([3]);
});
it("should see added and removed in the same set", () => {
const a = [1, 2, 3];
const b = [1, 2, 4]; // note diff
const result = arrayDiff(a, b);
expect(result).toBeDefined();
expect(result.added).toBeDefined();
expect(result.removed).toBeDefined();
expect(result.added).toHaveLength(1);
expect(result.removed).toHaveLength(1);
expect(result.added).toEqual([4]);
expect(result.removed).toEqual([3]);
});
});
describe("arrayIntersection", () => {
it("should return the intersection", () => {
const a = [1, 2, 3];
const b = [1, 2, 4]; // note diff
const result = arrayIntersection(a, b);
expect(result).toBeDefined();
expect(result).toHaveLength(2);
expect(result).toEqual([1, 2]);
});
it("should return an empty array on no matches", () => {
const a = [1, 2, 3];
const b = [4, 5, 6];
const result = arrayIntersection(a, b);
expect(result).toBeDefined();
expect(result).toHaveLength(0);
});
});
describe("arrayUnion", () => {
it("should union 3 arrays with deduplication", () => {
const a = [1, 2, 3];
const b = [1, 2, 4, 5]; // note missing 3
const c = [6, 7, 8, 9];
const result = arrayUnion(a, b, c);
expect(result).toBeDefined();
expect(result).toHaveLength(9);
expect(result).toEqual([1, 2, 3, 4, 5, 6, 7, 8, 9]);
});
it("should deduplicate a single array", () => {
// dev note: this is technically an edge case, but it is described behaviour if the
// function is only provided one array (it'll merge the array against itself)
const a = [1, 1, 2, 2, 3, 3];
const result = arrayUnion(a);
expect(result).toBeDefined();
expect(result).toHaveLength(3);
expect(result).toEqual([1, 2, 3]);
});
});
describe("ArrayUtil", () => {
it("should maintain the pointer to the given array", () => {
const input = [1, 2, 3];
const result = new ArrayUtil(input);
expect(result.value).toBe(input);
});
it("should group appropriately", () => {
const input = [
["a", 1],
["b", 2],
["c", 3],
["a", 4],
["a", 5],
["b", 6],
];
const output = {
a: [
["a", 1],
["a", 4],
["a", 5],
],
b: [
["b", 2],
["b", 6],
],
c: [["c", 3]],
};
const result = new ArrayUtil(input).groupBy((p) => p[0]);
expect(result).toBeDefined();
expect(result.value).toBeDefined();
const asObject = Object.fromEntries(result.value.entries());
expect(asObject).toMatchObject(output);
});
});
describe("GroupedArray", () => {
it("should maintain the pointer to the given map", () => {
const input = new Map([
["a", [1, 2, 3]],
["b", [7, 8, 9]],
["c", [4, 5, 6]],
]);
const result = new GroupedArray(input);
expect(result.value).toBe(input);
});
it("should ordering by the provided key order", () => {
const input = new Map([
["a", [1, 2, 3]],
["b", [7, 8, 9]], // note counting diff
["c", [4, 5, 6]],
]);
const output = [4, 5, 6, 1, 2, 3, 7, 8, 9];
const keyOrder = ["c", "a", "b"]; // note weird order to cause the `output` to be strange
const result = new GroupedArray(input).orderBy(keyOrder);
expect(result).toBeDefined();
expect(result.value).toBeDefined();
expect(result.value).toEqual(output);
});
});
describe("concat", () => {
const emptyArray = () => new Uint8Array(0);
const array1 = () => new Uint8Array([1, 2, 3]);
const array2 = () => new Uint8Array([4, 5, 6]);
const array3 = () => new Uint8Array([7, 8, 9]);
it("should work for empty arrays", () => {
expect(concat(emptyArray(), emptyArray())).toEqual(emptyArray());
});
it("should concat an empty and non-empty array", () => {
expect(concat(emptyArray(), array1())).toEqual(array1());
});
it("should concat an non-empty and empty array", () => {
expect(concat(array1(), emptyArray())).toEqual(array1());
});
it("should concat two arrays", () => {
expect(concat(array1(), array2())).toEqual(new Uint8Array([1, 2, 3, 4, 5, 6]));
});
it("should concat three arrays", () => {
expect(concat(array1(), array2(), array3())).toEqual(new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8, 9]));
});
});
describe("asyncEvery", () => {
it("when called with an empty array, it should return true", async () => {
expect(await asyncEvery([], jest.fn().mockResolvedValue(true))).toBe(true);
});
it("when called with some items and the predicate resolves to true for all of them, it should return true", async () => {
const predicate = jest.fn().mockResolvedValue(true);
expect(await asyncEvery([1, 2, 3], predicate)).toBe(true);
expect(predicate).toHaveBeenCalledTimes(3);
expect(predicate).toHaveBeenCalledWith(1);
expect(predicate).toHaveBeenCalledWith(2);
expect(predicate).toHaveBeenCalledWith(3);
});
it("when called with some items and the predicate resolves to false for all of them, it should return false", async () => {
const predicate = jest.fn().mockResolvedValue(false);
expect(await asyncEvery([1, 2, 3], predicate)).toBe(false);
expect(predicate).toHaveBeenCalledTimes(1);
expect(predicate).toHaveBeenCalledWith(1);
});
it("when called with some items and the predicate resolves to false for one of them, it should return false", async () => {
const predicate = jest.fn().mockResolvedValueOnce(true).mockResolvedValueOnce(false);
expect(await asyncEvery([1, 2, 3], predicate)).toBe(false);
expect(predicate).toHaveBeenCalledTimes(2);
expect(predicate).toHaveBeenCalledWith(1);
expect(predicate).toHaveBeenCalledWith(2);
});
});
describe("asyncSome", () => {
it("when called with an empty array, it should return false", async () => {
expect(await asyncSome([], jest.fn().mockResolvedValue(true))).toBe(false);
});
it("when called with some items and the predicate resolves to false for all of them, it should return false", async () => {
const predicate = jest.fn().mockResolvedValue(false);
expect(await asyncSome([1, 2, 3], predicate)).toBe(false);
expect(predicate).toHaveBeenCalledTimes(3);
expect(predicate).toHaveBeenCalledWith(1);
expect(predicate).toHaveBeenCalledWith(2);
expect(predicate).toHaveBeenCalledWith(3);
});
it("when called with some items and the predicate resolves to true, it should short-circuit and return true", async () => {
const predicate = jest.fn().mockResolvedValueOnce(false).mockResolvedValueOnce(true);
expect(await asyncSome([1, 2, 3], predicate)).toBe(true);
expect(predicate).toHaveBeenCalledTimes(2);
expect(predicate).toHaveBeenCalledWith(1);
expect(predicate).toHaveBeenCalledWith(2);
});
});
describe("asyncSomeParallel", () => {
it("when called with an empty array, it should return false", async () => {
expect(await asyncSomeParallel([], jest.fn().mockResolvedValue(true))).toBe(false);
});
it("when all the predicates return false", async () => {
expect(await asyncSomeParallel([1, 2, 3], jest.fn().mockResolvedValue(false))).toBe(false);
});
it("when all the predicates return true", async () => {
expect(await asyncSomeParallel([1, 2, 3], jest.fn().mockResolvedValue(true))).toBe(true);
});
it("when one of the predicate return true", async () => {
const predicate = jest.fn().mockImplementation((value) => Promise.resolve(value === 2));
expect(await asyncSomeParallel([1, 2, 3], predicate)).toBe(true);
});
});
describe("asyncFilter", () => {
it("when called with an empty array, it should return an empty array", async () => {
expect(await asyncFilter([], jest.fn().mockResolvedValue(true))).toEqual([]);
});
it("should filter the content", async () => {
const predicate = jest.fn().mockImplementation((value) => Promise.resolve(value === 2));
expect(await asyncFilter([1, 2, 3], predicate)).toEqual([2]);
});
});
});
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