@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 { BACKOFFS, } from "../../../backoff-policies/implementations/_module.js";
import { CIRCUIT_BREAKER_STATE, } from "../../../circuit-breaker/contracts/_module.js";
import { BREAKER_POLICIES, } from "../../../circuit-breaker/implementations/policies/_module.js";
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 "../../../time-span/contracts/_module.js";
import { TimeSpan } from "../../../time-span/implementations/_module.js";
import { delay } from "../../../utilities/_module.js";
/**
* @group TestUtilities
*/
const circuitBreakerPolicySettings = {
type: BREAKER_POLICIES.COUNT,
failureThreshold: 0.2,
successThreshold: 0.8,
size: 10,
minimumNumberOfCalls: 5,
};
/**
* @group TestUtilities
*/
const backoffPolicySettings = {
type: BACKOFFS.CONSTANT,
delay: TimeSpan.fromMilliseconds(50),
jitter: null,
};
/**
* IMPORT_PATH: `"@daiso-tech/core/circuit-breaker/test-utilities"`
* @group TestUtilities
*
* @example
* ```ts
* import { beforeEach, describe, expect, test } from "vitest";
* import { DatabaseCircuitBreakerAdapter } from "@daiso-tech/core/circuit-breaker/database-circuit-breaker-adapter";
* import { CountBreaker } from "@daiso-tech/core/circuit-breaker/policies";
* import { countBreakerTestSuite } from "@daiso-tech/core/circuit-breaker/test-utilities";
* import { constantBackoff } from "@daiso-tech/core/backoff-policies";
* import { MemoryCircuitBreakerStorageAdapter } from "@daiso-tech/core/circuit-breaker/memory-circuit-breaker-storage-adapter";
*
* describe("count-breaker class: DatabaseCircuitBreakerAdapter", () => {
* countBreakerTestSuite({
* createAdapter: () => {
* const adapter = new DatabaseCircuitBreakerAdapter({
* adapter: new MemoryCircuitBreakerStorageAdapter(),
* backoffPolicy: constantBackoff(
* countBreakerTestSuite.backoffPolicySettings,
* ),
* circuitBreakerPolicy: new CountBreaker(
* countBreakerTestSuite.circuitBreakerPolicySettings,
* ),
* });
* return adapter;
* },
* beforeEach,
* describe,
* expect,
* test,
* });
* });
* ```
*/
export function countBreakerTestSuite(settings) {
const { expect, test, createAdapter, describe, beforeEach: beforeEach_, delayBuffer = TimeSpan.fromMilliseconds(10), context = new ExecutionContext(new NoOpExecutionContextAdapter()), } = settings;
let adapter;
const waitTime = TimeSpan.fromTimeSpan(backoffPolicySettings.delay);
describe("count-breaker ICircuitBreakerAdapter tests:", () => {
beforeEach_(async () => {
adapter = await createAdapter();
});
const KEY = "a";
async function delayWithBuffer(timeSpan) {
await delay(TimeSpan.fromTimeSpan(timeSpan).addTimeSpan(delayBuffer));
}
describe("method: getState", () => {
test("Should return CIRCUIT_BREAKER_STATE.CLOSED as initial state", async () => {
const state = await adapter.getState(context, KEY);
expect(state).toBe(CIRCUIT_BREAKER_STATE.CLOSED);
});
test("Should return CIRCUIT_BREAKER_STATE.CLOSED when in ClosedState", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
const state = await adapter.getState(context, KEY);
expect(state).toBe(CIRCUIT_BREAKER_STATE.CLOSED);
});
test("Should return CIRCUIT_BREAKER_STATE.OPEN when in OpenedState", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
const state = await adapter.getState(context, KEY);
expect(state).toBe(CIRCUIT_BREAKER_STATE.OPEN);
});
test("Should return CIRCUIT_BREAKER_STATE.HALF_OPEN when in HalfOpenedState", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await delayWithBuffer(waitTime);
await adapter.updateState(context, KEY);
const state = await adapter.getState(context, KEY);
expect(state).toBe(CIRCUIT_BREAKER_STATE.HALF_OPEN);
});
test("Should return CIRCUIT_BREAKER_STATE.ISOLATED when in IsolatedState", async () => {
await adapter.isolate(context, KEY);
const state = await adapter.getState(context, KEY);
expect(state).toBe(CIRCUIT_BREAKER_STATE.ISOLATED);
});
});
describe("method: updateState / trackFailure / trackSuccess", () => {
test("Should transition ClosedState -> ClosedState when 1 failure has occurred", async () => {
await adapter.trackFailure(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.CLOSED,
to: CIRCUIT_BREAKER_STATE.CLOSED,
});
});
test("Should transition ClosedState -> ClosedState when 5 failures has occurred", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.CLOSED,
to: CIRCUIT_BREAKER_STATE.CLOSED,
});
});
test("Should transition ClosedState -> ClosedState when 1 failure and 5 successes has occurred", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.CLOSED,
to: CIRCUIT_BREAKER_STATE.CLOSED,
});
});
test("Should transition ClosedState -> OpenedState when 1 failure, 5 successes and 2 failures has occurred", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.CLOSED,
to: CIRCUIT_BREAKER_STATE.OPEN,
});
});
test("Should transition ClosedState -> OpenedState when 6 failures", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.CLOSED,
to: CIRCUIT_BREAKER_STATE.OPEN,
});
});
test("Should transition ClosedState -> OpenedState -> OpenedState when 6 failures and wait time is not reached", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await delayWithBuffer(waitTime.divide(2));
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.OPEN,
to: CIRCUIT_BREAKER_STATE.OPEN,
});
});
test("Should transition ClosedState -> OpenedState -> HalfOpenedState when 6 failures and wait time is reached", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await delayWithBuffer(waitTime);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.OPEN,
to: CIRCUIT_BREAKER_STATE.HALF_OPEN,
});
});
test("Should transition ClosedState -> ClosedState when 1 failure, 8 successes and 1 failure", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.CLOSED,
to: CIRCUIT_BREAKER_STATE.CLOSED,
});
});
test("Should transition ClosedState -> OpenedState when 2 failures, 7 successes and 1 failure", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.CLOSED,
to: CIRCUIT_BREAKER_STATE.OPEN,
});
});
test("Should transition ClosedState -> ClosedState when 1 failure, 10 successes and 1 failure", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.CLOSED,
to: CIRCUIT_BREAKER_STATE.CLOSED,
});
});
test("Should transition ClosedState -> OpenedState -> OpenedState when 2 failures, 7 successes, 1 failure and wait time is not reached", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await delayWithBuffer(waitTime.divide(2));
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.OPEN,
to: CIRCUIT_BREAKER_STATE.OPEN,
});
});
test("Should transition ClosedState -> OpenedState -> HalfOpenedState when 2 failures, 7 successes, 1 failure and wait time is reached", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await delayWithBuffer(waitTime);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.OPEN,
to: CIRCUIT_BREAKER_STATE.HALF_OPEN,
});
});
test("Should transition ClosedState -> OpenedState -> HalfOpenedState -> HalfOpenedState when 6 failures, wait time is reached, 1 success has occurred", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await delayWithBuffer(waitTime);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.HALF_OPEN,
to: CIRCUIT_BREAKER_STATE.HALF_OPEN,
});
});
test("Should transition ClosedState -> OpenedState -> HalfOpenedState -> HalfOpenedState when 6 failures, wait time is reached, 5 successess has occurred", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await delayWithBuffer(waitTime);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.HALF_OPEN,
to: CIRCUIT_BREAKER_STATE.HALF_OPEN,
});
});
test("Should transition ClosedState -> OpenedState -> HalfOpenedState -> HalfOpenedState when 6 failures, wait time is reached, 1 success and 4 failures has occurred", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await delayWithBuffer(waitTime);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.HALF_OPEN,
to: CIRCUIT_BREAKER_STATE.HALF_OPEN,
});
});
test("Should transition ClosedState -> OpenedState -> HalfOpenedState -> OpenedState when 6 failures, wait time is reached, 1 failures, 4 successess and 1 failure has occurred", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await delayWithBuffer(waitTime);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.HALF_OPEN,
to: CIRCUIT_BREAKER_STATE.OPEN,
});
});
test("Should transition ClosedState -> OpenedState -> HalfOpenedState -> ClosedState when 6 failures, wait time is reached, 1 failures, 5 successess has occurred", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await delayWithBuffer(waitTime);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
const state = await adapter.updateState(context, KEY);
expect(state).toEqual({
from: CIRCUIT_BREAKER_STATE.HALF_OPEN,
to: CIRCUIT_BREAKER_STATE.CLOSED,
});
});
});
describe("method: updateState / trackFailure / isolate", () => {
test("Should transition to IsolatedState when in ClosedState", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.isolate(context, KEY);
const state = await adapter.getState(context, KEY);
expect(state).toBe(CIRCUIT_BREAKER_STATE.ISOLATED);
});
test("Should transition to IsolatedState when in OpenedState", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.isolate(context, KEY);
const state = await adapter.getState(context, KEY);
expect(state).toBe(CIRCUIT_BREAKER_STATE.ISOLATED);
});
test("Should transition to IsolatedState when in HalfOpenState", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await delayWithBuffer(waitTime);
await adapter.updateState(context, KEY);
await adapter.isolate(context, KEY);
const state = await adapter.getState(context, KEY);
expect(state).toBe(CIRCUIT_BREAKER_STATE.ISOLATED);
});
});
describe("method: updateState / trackFailure / reset", () => {
test("Should reset when in ClosedState", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.reset(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
const state = await adapter.getState(context, KEY);
expect(state).toBe(CIRCUIT_BREAKER_STATE.CLOSED);
});
test("Should reset when in OpenedState", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.reset(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
const state = await adapter.getState(context, KEY);
expect(state).toBe(CIRCUIT_BREAKER_STATE.CLOSED);
});
test("Should reset when in HalfOpenState", async () => {
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackSuccess(context, KEY);
await adapter.updateState(context, KEY);
await adapter.trackFailure(context, KEY);
await adapter.updateState(context, KEY);
await delayWithBuffer(waitTime);
await adapter.updateState(context, KEY);
await adapter.reset(context, KEY);
const state = await adapter.getState(context, KEY);
expect(state).toBe(CIRCUIT_BREAKER_STATE.CLOSED);
});
test("Should reset when in IsolatedState", async () => {
await adapter.isolate(context, KEY);
await adapter.reset(context, KEY);
const state = await adapter.getState(context, KEY);
expect(state).toBe(CIRCUIT_BREAKER_STATE.CLOSED);
});
});
});
}
countBreakerTestSuite.circuitBreakerPolicySettings =
circuitBreakerPolicySettings;
countBreakerTestSuite.backoffPolicySettings = backoffPolicySettings;
//# sourceMappingURL=count-breaker.test-suite.js.map