bitwarden-estensione-browser/libs/common/spec/utils.ts

119 lines
3.2 KiB
TypeScript

import { mock, MockProxy } from "jest-mock-extended";
import { Observable } from "rxjs";
import { EncString } from "@bitwarden/common/platform/models/domain/enc-string";
import { EncryptionType } from "../src/platform/enums";
import { Utils } from "../src/platform/misc/utils";
import { SymmetricCryptoKey } from "../src/platform/models/domain/symmetric-crypto-key";
function newGuid() {
return "xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx".replace(/[xy]/g, (c) => {
const r = (Math.random() * 16) | 0;
const v = c === "x" ? r : (r & 0x3) | 0x8;
return v.toString(16);
});
}
export function GetUniqueString(prefix = "") {
return prefix + "_" + newGuid();
}
export function BuildTestObject<T, K extends keyof T = keyof T>(
def: Partial<Pick<T, K>> | T,
constructor?: new () => T,
): T {
return Object.assign(constructor === null ? {} : new constructor(), def) as T;
}
export function mockEnc(s: string): MockProxy<EncString> {
const mocked = mock<EncString>();
mocked.decrypt.mockResolvedValue(s);
return mocked;
}
export function makeEncString(data?: string) {
data ??= Utils.newGuid();
return new EncString(EncryptionType.AesCbc256_HmacSha256_B64, data, "test", "test");
}
export function makeStaticByteArray(length: number, start = 0) {
const arr = new Uint8Array(length);
for (let i = 0; i < length; i++) {
arr[i] = start + i;
}
return arr;
}
/**
* Creates a symmetric crypto key for use in tests. This is deterministic, i.e. it will produce identical keys
* for identical argument values. Provide a unique value to the `seed` parameter to create different keys.
*/
export function makeSymmetricCryptoKey<T extends SymmetricCryptoKey>(
length: 32 | 64 = 64,
seed = 0,
) {
return new SymmetricCryptoKey(makeStaticByteArray(length, seed)) as T;
}
/**
* Use to mock a return value of a static fromJSON method.
*/
export const mockFromJson = (stub: any) => (stub + "_fromJSON") as any;
/**
* Tracks the emissions of the given observable.
*
* Call this function before you expect any emissions and then use code that will cause the observable to emit values,
* then assert after all expected emissions have occurred.
* @param observable
* @returns An array that will be populated with all emissions of the observable.
*/
export function trackEmissions<T>(observable: Observable<T>): T[] {
const emissions: T[] = [];
observable.subscribe((value) => {
switch (value) {
case undefined:
case null:
emissions.push(value);
return;
default:
// process by type
break;
}
switch (typeof value) {
case "string":
case "number":
case "boolean":
emissions.push(value);
break;
case "symbol":
// Cheating types to make symbols work at all
emissions.push(value.toString() as T);
break;
default: {
emissions.push(clone(value));
}
}
});
return emissions;
}
function clone(value: any): any {
if (global.structuredClone != undefined) {
return structuredClone(value);
} else {
return JSON.parse(JSON.stringify(value));
}
}
export async function awaitAsync(ms = 1) {
if (ms < 1) {
await Promise.resolve();
} else {
await new Promise((resolve) => setTimeout(resolve, ms));
}
}