@daiso-tech/core
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The library offers flexible, framework-agnostic solutions for modern web applications, built on adaptable components that integrate seamlessly with popular frameworks like Next Js.
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JavaScript
/**
* @module SharedLock
*/
import { vi, } from "vitest";
import {} from "../../../execution-context/contracts/_module.js";
import { NoOpExecutionContextAdapter } from "../../../execution-context/implementations/adapters/no-op-execution-context-adapter/_module.js";
import { ExecutionContext } from "../../../execution-context/implementations/derivables/_module.js";
import {} from "../../../shared-lock/contracts/_module.js";
import {} from "../../../time-span/contracts/_module.js";
import { TimeSpan } from "../../../time-span/implementations/_module.js";
import { delay } from "../../../utilities/_module.js";
/**
* The `sharedLockAdapterTestSuite` function simplifies the process of testing your custom implementation of {@link ISharedLockAdapter | `ISharedLockAdapter`} with `vitest`.
*
* IMPORT_PATH: `"@daiso-tech/core/shared-lock/test-utilities"`
* @group Utilities
* @example
* ```ts
* import { afterEach, beforeEach, describe, expect, test } from "vitest";
* import { sharedLockAdapterTestSuite } from "@daiso-tech/core/shared-lock/test-utilities";
* import { RedisSharedLockAdapter } from "@daiso-tech/core/shared-lock/redis-shared-lock-adapter";
* import { Redis } from "ioredis";
* import {
* RedisContainer,
* type StartedRedisContainer,
* } from "@testcontainers/redis";
* import { TimeSpan } from "@daiso-tech/core/time-span";
*
* const timeout = TimeSpan.fromMinutes(2);
* describe("class: RedisSharedLockAdapter", () => {
* let client: Redis;
* let startedContainer: StartedRedisContainer;
* beforeEach(async () => {
* startedContainer = await new RedisContainer("redis:7.4.2").start();
* client = new Redis(startedContainer.getConnectionUrl());
* }, timeout.toMilliseconds());
* afterEach(async () => {
* await client.quit();
* await startedContainer.stop();
* }, timeout.toMilliseconds());
* sharedLockAdapterTestSuite({
* createAdapter: () =>
* new RedisSharedLockAdapter(client),
* test,
* beforeEach,
* expect,
* describe,
* });
* });
* ```
*/
export function sharedLockAdapterTestSuite(settings) {
const { expect, test, createAdapter, describe, beforeEach: beforeEach_, delayBuffer = TimeSpan.fromMilliseconds(10), context = new ExecutionContext(new NoOpExecutionContextAdapter()), } = settings;
let adapter;
async function delayWithBuffer(ttl) {
await delay(TimeSpan.fromTimeSpan(ttl).addTimeSpan(delayBuffer));
}
describe("ISharedLockAdapter tests:", () => {
beforeEach_(async () => {
adapter = await createAdapter();
});
describe("method: acquireWriter", () => {
test("Should return true when key doesnt exists", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = null;
const result = await adapter.acquireWriter(context, key, sharedLockId, ttl);
expect(result).toBe(true);
});
test("Should return true when key is expired", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId, ttl);
await delayWithBuffer(ttl);
const result = await adapter.acquireWriter(context, key, sharedLockId, null);
expect(result).toBe(true);
});
test("Should return true when key is unexpireable and acquired by same shared-lock-id", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = null;
await adapter.acquireWriter(context, key, sharedLockId, ttl);
const result = await adapter.acquireWriter(context, key, sharedLockId, ttl);
expect(result).toBe(true);
});
test("Should return true when key is unexpired and acquired by same shared-lock-id", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId, ttl);
const result = await adapter.acquireWriter(context, key, sharedLockId, ttl);
expect(result).toBe(true);
});
test("Should return false when key is unexpireable and acquired by different shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = null;
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
const sharedLockId2 = "c";
const result = await adapter.acquireWriter(context, key, sharedLockId2, ttl);
expect(result).toBe(false);
});
test("Should return false when key is unexpired and acquired by different shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
const sharedLockId2 = "c";
const result = await adapter.acquireWriter(context, key, sharedLockId2, ttl);
expect(result).toBe(false);
});
test("Should return false when key is acquired as reader", async () => {
const key = "a";
const lockId = "1";
const limit = 2;
const ttl = null;
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
const result = await adapter.acquireWriter(context, key, lockId, ttl);
expect(result).toBe(false);
});
test("Should not update state when key is acquired as reader", async () => {
const key = "a";
const lockId = "1";
const limit = 2;
const ttl = null;
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
await adapter.acquireWriter(context, key, lockId, ttl);
const state = await adapter.getState(context, key);
expect({
...state,
reader: {
...state?.reader,
acquiredSlots: Object.fromEntries(state?.reader?.acquiredSlots.entries() ?? []),
},
}).toEqual({
writer: null,
reader: {
limit,
acquiredSlots: {
[lockId]: ttl,
},
},
});
});
});
describe("method: releaseWriter", () => {
test("Should return false when key doesnt exists", async () => {
const key = "a";
const sharedLockId = "b";
const result = await adapter.releaseWriter(context, key, sharedLockId);
expect(result).toBe(false);
});
test("Should return false when key is unexpireable and released by different shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = null;
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
const sharedLockId2 = "c";
const result = await adapter.releaseWriter(context, key, sharedLockId2);
expect(result).toBe(false);
});
test("Should return false when key is unexpired and released by different shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
const sharedLockId2 = "c";
const result = await adapter.releaseWriter(context, key, sharedLockId2);
expect(result).toBe(false);
});
test("Should return false when key is expired and released by different shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
await delayWithBuffer(ttl);
const sharedLockId2 = "c";
const result = await adapter.releaseWriter(context, key, sharedLockId2);
expect(result).toBe(false);
});
test("Should return false when key is expired and released by same shared-lock-id", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId, ttl);
await delayWithBuffer(ttl);
const result = await adapter.releaseWriter(context, key, sharedLockId);
expect(result).toBe(false);
});
test("Should return true when key is unexpireable and released by same shared-lock-id", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = null;
await adapter.acquireWriter(context, key, sharedLockId, ttl);
const result = await adapter.releaseWriter(context, key, sharedLockId);
expect(result).toBe(true);
});
test("Should return true when key is unexpired and released by same shared-lock-id", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId, ttl);
const result = await adapter.releaseWriter(context, key, sharedLockId);
expect(result).toBe(true);
});
test("Should not be reacquirable when key is unexpireable and released by different shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = null;
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
const sharedLockId2 = "c";
await adapter.releaseWriter(context, key, sharedLockId2);
const result = await adapter.acquireWriter(context, key, sharedLockId2, ttl);
expect(result).toBe(false);
});
test("Should not be reacquirable when key is unexpired and released by different shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
const sharedLockId2 = "c";
await adapter.releaseWriter(context, key, sharedLockId2);
const result = await adapter.acquireWriter(context, key, sharedLockId2, ttl);
expect(result).toBe(false);
});
test("Should be reacquirable when key is unexpireable and released by same shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = null;
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
await adapter.releaseWriter(context, key, sharedLockId1);
const sharedLockId2 = "c";
const result = await adapter.acquireWriter(context, key, sharedLockId2, ttl);
expect(result).toBe(true);
});
test("Should be reacquirable when key is unexpired and released by same shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
await adapter.releaseWriter(context, key, sharedLockId1);
const sharedLockId2 = "c";
const result = await adapter.acquireWriter(context, key, sharedLockId2, ttl);
expect(result).toBe(true);
});
test("Should return false when key is acquired as reader", async () => {
const key = "a";
const lockId = "1";
const limit = 2;
const ttl = TimeSpan.fromSeconds(10);
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
const result = await adapter.releaseWriter(context, key, lockId);
expect(result).toBe(false);
});
test("Should not update state when key is acquired as reader", async () => {
const key = "a";
const lockId = "1";
const limit = 2;
const ttl = null;
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
await adapter.releaseWriter(context, key, lockId);
const state = await adapter.getState(context, key);
expect({
...state,
reader: {
...state?.reader,
acquiredSlots: Object.fromEntries(state?.reader?.acquiredSlots.entries() ?? []),
},
}).toEqual({
writer: null,
reader: {
limit,
acquiredSlots: {
[lockId]: ttl,
},
},
});
});
});
describe("method: forceReleaseWriter", () => {
test("Should return false when key doesnt exists", async () => {
const key = "a";
const result = await adapter.forceReleaseWriter(context, key);
expect(result).toBe(false);
});
test("Should return false when key is expired", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId, ttl);
await delayWithBuffer(ttl);
const result = await adapter.forceReleaseWriter(context, key);
expect(result).toBe(false);
});
test("Should return true when key is uenxpired", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId, ttl);
const result = await adapter.forceReleaseWriter(context, key);
expect(result).toBe(true);
});
test("Should return true when key is unexpireable", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = null;
await adapter.acquireWriter(context, key, sharedLockId, ttl);
const result = await adapter.forceReleaseWriter(context, key);
expect(result).toBe(true);
});
test("Should be reacquirable when key is force released", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = null;
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
await adapter.forceReleaseWriter(context, key);
const sharedLockId2 = "c";
const result = await adapter.acquireWriter(context, key, sharedLockId2, ttl);
expect(result).toBe(true);
});
test("Should return false when key is acquired as reader", async () => {
const key = "a";
const lockId = "1";
const limit = 2;
const ttl = TimeSpan.fromSeconds(10);
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
const result = await adapter.forceReleaseWriter(context, key);
expect(result).toBe(false);
});
test("Should not update state when key is acquired as reader", async () => {
const key = "a";
const lockId = "1";
const limit = 2;
const ttl = null;
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
await adapter.forceReleaseWriter(context, key);
const state = await adapter.getState(context, key);
expect({
...state,
reader: {
...state?.reader,
acquiredSlots: Object.fromEntries(state?.reader?.acquiredSlots.entries() ?? []),
},
}).toEqual({
writer: null,
reader: {
limit,
acquiredSlots: {
[lockId]: ttl,
},
},
});
});
});
describe("method: refreshWriter", () => {
test("Should return false when key doesnt exists", async () => {
const key = "a";
const sharedLockId = "b";
const newTtl = TimeSpan.fromMinutes(1);
const result = await adapter.refreshWriter(context, key, sharedLockId, newTtl);
expect(result).toBe(false);
});
test("Should return false when key is unexpireable and refreshed by different shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = null;
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
const newTtl = TimeSpan.fromMinutes(1);
const sharedLockId2 = "c";
const result = await adapter.refreshWriter(context, key, sharedLockId2, newTtl);
expect(result).toBe(false);
});
test("Should return false when key is unexpired and refreshed by different shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
const newTtl = TimeSpan.fromMinutes(1);
const sharedLockId2 = "c";
const result = await adapter.refreshWriter(context, key, sharedLockId2, newTtl);
expect(result).toBe(false);
});
test("Should return false when key is expired and refreshed by different shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
await delayWithBuffer(ttl);
const newTtl = TimeSpan.fromMinutes(1);
const sharedLockId2 = "c";
const result = await adapter.refreshWriter(context, key, sharedLockId2, newTtl);
expect(result).toBe(false);
});
test("Should return false when key is expired and refreshed by same shared-lock-id", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId, ttl);
await delayWithBuffer(ttl);
const newTtl = TimeSpan.fromMinutes(1);
const result = await adapter.refreshWriter(context, key, sharedLockId, newTtl);
expect(result).toBe(false);
});
test("Should return false when key is unexpireable and refreshed by same shared-lock-id", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = null;
await adapter.acquireWriter(context, key, sharedLockId, ttl);
const newTtl = TimeSpan.fromMinutes(1);
const result = await adapter.refreshWriter(context, key, sharedLockId, newTtl);
expect(result).toBe(false);
});
test("Should return true when key is unexpired and refreshed by same shared-lock-id", async () => {
const key = "a";
const sharedLockId = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId, ttl);
const newTtl = TimeSpan.fromMinutes(1);
const result = await adapter.refreshWriter(context, key, sharedLockId, newTtl);
expect(result).toBe(true);
});
test("Should not update expiration when key is unexpireable and refreshed by same shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "1";
const ttl = null;
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
const newTtl = TimeSpan.fromMilliseconds(50);
await adapter.refreshWriter(context, key, sharedLockId1, newTtl);
await delayWithBuffer(newTtl);
const sharedLockId2 = "2";
const result = await adapter.acquireWriter(context, key, sharedLockId2, ttl);
expect(result).toBe(false);
});
test("Should update expiration when key is unexpired and refreshed by same shared-lock-id", async () => {
const key = "a";
const sharedLockId1 = "b";
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireWriter(context, key, sharedLockId1, ttl);
const newTtl = TimeSpan.fromMilliseconds(100);
await adapter.refreshWriter(context, key, sharedLockId1, newTtl);
await delayWithBuffer(newTtl.divide(2));
const sharedLockId2 = "c";
const result1 = await adapter.acquireWriter(context, key, sharedLockId2, ttl);
expect(result1).toBe(false);
await delayWithBuffer(newTtl.divide(2));
const result2 = await adapter.acquireWriter(context, key, sharedLockId2, ttl);
expect(result2).toBe(true);
});
test("Should return false when key is acquired as reader", async () => {
const key = "a";
const lockId = "1";
const limit = 2;
const ttl = TimeSpan.fromSeconds(10);
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
const newTtl = TimeSpan.fromSeconds(20);
const result = await adapter.refreshWriter(context, key, lockId, newTtl);
expect(result).toBe(false);
});
test("Should not update state when key is acquired as reader", async () => {
const key = "a";
const lockId = "1";
const limit = 2;
const ttl = null;
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
const newTtl = TimeSpan.fromSeconds(20);
await adapter.refreshWriter(context, key, lockId, newTtl);
const state = await adapter.getState(context, key);
expect({
...state,
reader: {
...state?.reader,
acquiredSlots: Object.fromEntries(state?.reader?.acquiredSlots.entries() ?? []),
},
}).toEqual({
writer: null,
reader: {
limit,
acquiredSlots: {
[lockId]: ttl,
},
},
});
});
});
describe("method: acquireReader", () => {
test("Should return true when key doesnt exists", async () => {
const key = "a";
const lockId = "b";
const limit = 2;
const ttl = null;
const result = await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
expect(result).toBe(true);
});
test("Should return true when key exists and shared-lock-slot is expired", async () => {
const key = "a";
const lockId = "b";
const limit = 2;
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
await delayWithBuffer(ttl);
const result = await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
expect(result).toBe(true);
});
test("Should return true when limit is not reached", async () => {
const key = "a";
const limit = 2;
const ttl = null;
const lockId1 = "1";
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl,
});
const lockId2 = "2";
const result = await adapter.acquireReader({
context,
key,
lockId: lockId2,
limit,
ttl,
});
expect(result).toBe(true);
});
test("Should return false when limit is reached", async () => {
const key = "a";
const limit = 2;
const ttl = null;
const lockId1 = "1";
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl,
});
const lockId2 = "2";
await adapter.acquireReader({
context,
key,
lockId: lockId2,
limit,
ttl,
});
const lockId3 = "3";
const result = await adapter.acquireReader({
context,
key,
lockId: lockId3,
limit,
ttl,
});
expect(result).toBe(false);
});
test("Should return true when one shared-lock-slot is expired", async () => {
const key = "a";
const limit = 2;
const lockId1 = "1";
const ttl1 = null;
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl: ttl1,
});
const lockId2 = "2";
const ttl2 = TimeSpan.fromMilliseconds(50);
await adapter.acquireReader({
context,
key,
lockId: lockId2,
limit,
ttl: ttl2,
});
await delayWithBuffer(ttl2);
const lockId3 = "3";
const ttl3 = null;
const result = await adapter.acquireReader({
context,
key,
lockId: lockId3,
limit,
ttl: ttl3,
});
expect(result).toBe(true);
});
test("Should return true when shared-lock-slot exists, is unexpireable and acquired multiple times", async () => {
const key = "a";
const lockId = "b";
const limit = 2;
const ttl = null;
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
const result = await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
expect(result).toBe(true);
});
test("Should return true when shared-lock-slot exists, is unexpired and acquired multiple times", async () => {
const key = "a";
const lockId = "b";
const limit = 2;
const ttl = TimeSpan.fromMilliseconds(50);
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
const result = await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
expect(result).toBe(true);
});
test("Should not acquire a shared-lock-slot when shared-lock-slot exists, is unexpireable and acquired multiple times", async () => {
const key = "a";
const limit = 2;
const ttl = null;
const lockId1 = "1";
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl,
});
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl,
});
const lockId2 = "2";
const result = await adapter.acquireReader({
context,
key,
lockId: lockId2,
limit,
ttl,
});
expect(result).toBe(true);
});
test("Should not acquire a shared-lock-slot when shared-lock-slot exists, is unexpired and acquired multiple times", async () => {
const key = "a";
const limit = 2;
const ttl = TimeSpan.fromMilliseconds(50);
const lockId1 = "1";
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl,
});
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl,
});
const lockId2 = "2";
const result = await adapter.acquireReader({
context,
key,
lockId: lockId2,
limit,
ttl,
});
expect(result).toBe(true);
});
test("Should not update limit when shared-lock-slot count is more than 0", async () => {
const key = "a";
const limit = 2;
const ttl = null;
const lockId1 = "1";
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl,
});
const lockId2 = "2";
const newLimit = 3;
await adapter.acquireReader({
context,
key,
lockId: lockId2,
limit: newLimit,
ttl,
});
const lockId3 = "3";
const result1 = await adapter.getState(context, key);
expect(result1?.reader?.limit).toBe(limit);
const result2 = await adapter.acquireReader({
context,
key,
lockId: lockId3,
limit: newLimit,
ttl,
});
expect(result2).toBe(false);
});
test("Should return false when key is acquired as writer", async () => {
const key = "a";
const lockId = "1";
const ttl = null;
await adapter.acquireWriter(context, key, lockId, ttl);
const limit = 3;
const result = await adapter.acquireReader({
context,
key,
lockId,
ttl,
limit,
});
expect(result).toBe(false);
});
test("Should not update state when key is acquired as writer", async () => {
const key = "a";
const lockId = "1";
const ttl = null;
await adapter.acquireWriter(context, key, lockId, ttl);
const limit = 3;
await adapter.acquireReader({
context,
key,
lockId,
ttl,
limit,
});
const state = await adapter.getState(context, key);
expect(state).toEqual({
writer: {
owner: lockId,
expiration: ttl,
},
reader: null,
});
});
});
describe("method: releaseReader", () => {
test("Should return false when key doesnt exists", async () => {
const key = "a";
const lockId = "b";
const limit = 2;
const ttl = null;
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
const noneExistingKey = "c";
const result = await adapter.releaseReader(context, noneExistingKey, lockId);
expect(result).toBe(false);
});
test("Should return false when shared-lock-slot doesnt exists", async () => {
const key = "a";
const ttl = null;
const limit = 2;
const lockId = "1";
await adapter.acquireReader({
context,
key,
lockId,
ttl,
limit,
});
const noneExistingLockId = "2";
const result = await adapter.releaseReader(context, key, noneExistingLockId);
expect(result).toBe(false);
});
test("Should return false when shared-lock-slot is expired", async () => {
const key = "a";
const ttl = TimeSpan.fromMilliseconds(50);
const limit = 2;
const lockId = "1";
await adapter.acquireReader({
context,
key,
lockId,
ttl,
limit,
});
await delayWithBuffer(ttl);
const result = await adapter.releaseReader(context, key, lockId);
expect(result).toBe(false);
});
test("Should return true when shared-lock-slot exists and is unexpired", async () => {
const key = "a";
const lockId = "b";
const ttl = TimeSpan.fromMilliseconds(50);
const limit = 2;
await adapter.acquireReader({
context,
key,
lockId,
ttl,
limit,
});
const result = await adapter.releaseReader(context, key, lockId);
expect(result).toBe(true);
});
test("Should return true when shared-lock-slot exists and is unexpireable", async () => {
const key = "a";
const lockId = "b";
const ttl = null;
const limit = 2;
await adapter.acquireReader({
context,
key,
lockId,
ttl,
limit,
});
const result = await adapter.releaseReader(context, key, lockId);
expect(result).toBe(true);
});
test("Should update limit when shared-lock-slot count is 0", async () => {
const key = "a";
const limit = 2;
const ttl = null;
const lockId1 = "1";
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl,
});
const lockId2 = "2";
await adapter.acquireReader({
context,
key,
lockId: lockId2,
limit,
ttl,
});
await adapter.releaseReader(context, key, lockId1);
await adapter.releaseReader(context, key, lockId2);
const newLimit = 3;
const lockId3 = "3";
await adapter.acquireReader({
context,
key,
lockId: lockId3,
limit: newLimit,
ttl,
});
const result1 = await adapter.getState(context, key);
expect(result1?.reader?.limit).toBe(newLimit);
const lockId4 = "4";
await adapter.acquireReader({
context,
key,
lockId: lockId4,
limit: newLimit,
ttl,
});
const lockId5 = "5";
const result2 = await adapter.acquireReader({
context,
key,
lockId: lockId5,
limit: newLimit,
ttl,
});
expect(result2).toBe(true);
const lockId6 = "6";
const result3 = await adapter.acquireReader({
context,
key,
lockId: lockId6,
limit,
ttl,
});
expect(result3).toBe(false);
});
test("Should decrement shared-lock-slot count when one shared-lock-slot is released", async () => {
const key = "a";
const limit = 2;
const ttl = null;
const lockId1 = "1";
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl,
});
const lockId2 = "2";
await adapter.acquireReader({
context,
key,
lockId: lockId2,
limit,
ttl,
});
await adapter.releaseReader(context, key, lockId1);
const result1 = await adapter.getState(context, key);
expect(result1?.reader?.acquiredSlots.size).toBe(1);
await adapter.releaseReader(context, key, lockId2);
const lockId3 = "3";
const result2 = await adapter.acquireReader({
context,
key,
lockId: lockId3,
limit,
ttl,
});
expect(result2).toBe(true);
const lockId4 = "4";
const result3 = await adapter.acquireReader({
context,
key,
lockId: lockId4,
limit,
ttl,
});
expect(result3).toBe(true);
});
test("Should return false when key is acquired as writer", async () => {
const key = "a";
const lockId = "1";
const ttl = null;
await adapter.acquireWriter(context, key, lockId, ttl);
const result = await adapter.releaseReader(context, key, lockId);
expect(result).toBe(false);
});
test("Should not update state when key is acquired as writer", async () => {
const key = "a";
const lockId = "1";
const ttl = null;
await adapter.acquireWriter(context, key, lockId, ttl);
await adapter.releaseReader(context, key, lockId);
const state = await adapter.getState(context, key);
expect(state).toEqual({
writer: {
owner: lockId,
expiration: ttl,
},
reader: null,
});
});
});
describe("method: forceReleaseAllReaders", () => {
test("Should return false when key doesnt exists", async () => {
const key = "a";
const lockId = "b";
const limit = 2;
const ttl = null;
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
const noneExistingKey = "c";
const result = await adapter.forceReleaseAllReaders(context, noneExistingKey);
expect(result).toBe(false);
});
test("Should return false when shared-lock-slot is expired", async () => {
const key = "a";
const ttl = TimeSpan.fromMilliseconds(50);
const limit = 2;
const lockId = "1";
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
await delayWithBuffer(ttl);
const result = await adapter.forceReleaseAllReaders(context, key);
expect(result).toBe(false);
});
test("Should return false when no shared-lock-slots are acquired", async () => {
const key = "a";
const ttl = null;
const lockId1 = "1";
const limit = 2;
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl,
});
const lockId2 = "2";
await adapter.acquireReader({
context,
key,
lockId: lockId2,
limit,
ttl,
});
await adapter.releaseReader(context, key, lockId1);
await adapter.releaseReader(context, key, lockId2);
const result = await adapter.forceReleaseAllReaders(context, key);
expect(result).toBe(false);
});
test("Should return true when at least 1 shared-lock-slot is acquired", async () => {
const key = "a";
const ttl = null;
const limit = 2;
const lockId = "1";
await adapter.acquireReader({
context,
key,
lockId,
limit,
ttl,
});
const result = await adapter.forceReleaseAllReaders(context, key);
expect(result).toBe(true);
});
test("Should make all shared-lock-slots reacquirable", async () => {
const key = "a";
const limit = 2;
const lockId1 = "1";
const ttl1 = null;
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl: ttl1,
});
const lockId2 = "2";
const ttl2 = TimeSpan.fromMilliseconds(50);
await adapter.acquireReader({
context,
key,
lockId: lockId2,
limit,
ttl: ttl2,
});
await adapter.forceReleaseAllReaders(context, key);
const lockId3 = "3";
const ttl3 = null;
const result1 = await adapter.acquireReader({
context,
key,
lockId: lockId3,
limit,
ttl: ttl3,
});
expect(result1).toBe(true);
const lockId4 = "4";
const ttl4 = null;
const result2 = await adapter.acquireReader({
context,
key,
lockId: lockId4,
limit,
ttl: ttl4,
});
expect(result2).toBe(true);
});
test("Should update limit when shared-lock-slot count is 0", async () => {
const key = "a";
const limit = 2;
const ttl = null;
const lockId1 = "1";
await adapter.acquireReader({
context,
key,
lockId: lockId1,
limit,
ttl,
});
const lockId2 = "2";
await adapter.acquireReader({
context,
key,
lockId: lockId2,
limit,
ttl,
});
await adapter.forceReleaseAllReaders(context, key);
const newLimit = 3;
const lockId3 = "3";
await adapter.acquireReader({
context,
key,
lockId: lockId3,
limit: newLimit,
ttl,
});
const result1 = await adapter.getState(context, key);
expect(result1?.reader?.limit).toBe(newLimit);
const lockId4 = "4";
await adapter.acquireReader({
context,
key,
lockId: lockId4,
limit: newLimit,
ttl,
});
const lockId5 = "5";
const result2 = await adapter.acquireReader({
context,
key,