@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 CircuitBreaker
*/
import {} from "vitest";
import {} from "../../../circuit-breaker/contracts/_module.js";
import {} from "../../../utilities/_module.js";
/**
* The `circuitBreakerStorageAdapterTestSuite` function simplifies the process of testing your custom implementation of {@link ICircuitBreakerStorageAdapter | `ICircuitBreakerStorageAdapter`} with `vitest`.
*
* IMPORT_PATH: `"@daiso-tech/core/circuit-breaker/test-utilities"`
* @group TestUtilities
* @example
* ```ts
* import { afterEach, beforeEach, describe, expect, test } from "vitest";
* import { circuitBreakerStorageAdapterTestSuite } from "@daiso-tech/core/circuit-breaker/test-utilities";
* import { MemoryCircuitBreakerStorageAdapter } from "@daiso-tech/core/circuit-breaker/memory-circuit-breaker-storage-adapter";
* import { TimeSpan } from "@daiso-tech/core/time-span" from "@daiso-tech/core/time-span";
* import { SuperJsonSerdeAdapter } from "@daiso-tech/core/serde/super-json-serde-adapter";
* import { Serde } from "@daiso-tech/core/serde";
*
* describe("class: MemoryCircuitBreakerStorageAdapter", () => {
* circuitBreakerStorageAdapterTestSuite({
* createAdapter: () =>
* new MemoryCircuitBreakerStorageAdapter(),
* test,
* beforeEach,
* expect,
* describe,
* });
* });
* ```
*/
export function circuitBreakerStorageAdapterTestSuite(settings) {
const { expect, test, createAdapter, describe, beforeEach } = settings;
let adapter;
describe("Reusable tests:", () => {
beforeEach(async () => {
adapter =
(await createAdapter());
});
describe("method: transaction upsert", () => {
test("Should add key when doesnt exists", async () => {
const key = "a";
const input = "b";
await adapter.transaction(async (trx) => {
await trx.upsert(key, input);
});
const value = await adapter.find(key);
expect(value).toBe(input);
});
test("Should update key when exists", async () => {
const key = "a";
const input1 = "b";
const input2 = "c";
await adapter.transaction(async (trx) => {
await trx.upsert(key, input1);
await trx.upsert(key, input2);
});
const value = await adapter.find(key);
expect(value).toBe(input2);
});
});
describe("method: transaction find", () => {
test("Should return null when key doesnt exists", async () => {
const noneExistingKey = "a";
const value = await adapter.transaction(async (trx) => {
return await trx.find(noneExistingKey);
});
expect(value).toBeNull();
});
test("Should return the inserted value when key exists", async () => {
const key = "a";
const input = "b";
const value = await adapter.transaction(async (trx) => {
await trx.upsert(key, input);
return await trx.find(key);
});
expect(value).toBe(input);
});
});
describe("method: find", () => {
test("Should return null when key doesnt exists", async () => {
const noneExistingKey = "a";
const value = await adapter.find(noneExistingKey);
expect(value).toBeNull();
});
test("Should return the inserted value when key exists", async () => {
const key = "a";
const input = "b";
await adapter.transaction(async (trx) => {
await trx.upsert(key, input);
});
const value = await adapter.find(key);
expect(value).toBe(input);
});
});
describe("method: remove", () => {
test("Should remove key when exists", async () => {
const key = "a";
await adapter.transaction(async (trx) => {
await trx.upsert(key, "value");
});
await adapter.remove(key);
const value = await adapter.find(key);
expect(value).toBeNull();
});
});
});
}
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