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1 changed files with 17155 additions and 14368 deletions
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@ -7,171 +7,171 @@ import { SyncResetError } from "./sync-reset-error";
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import { sleep } from "../utils/sleep";
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describe("FetchController", () => {
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const createMockFetch = (
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shouldSleep: boolean
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): Mock<() => Promise<Response>> =>
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mock.fn(async () => {
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if (shouldSleep) {
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await sleep(30);
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}
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return Promise.resolve(new Response("OK", { status: 200 }));
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});
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const createMockFetch = (
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shouldSleep: boolean
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): Mock<() => Promise<Response>> =>
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mock.fn(async () => {
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if (shouldSleep) {
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await sleep(30);
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}
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return Promise.resolve(new Response("OK", { status: 200 }));
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});
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beforeEach(() => {
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mock.timers.enable({ apis: ["setTimeout"] });
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});
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beforeEach(() => {
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mock.timers.enable({ apis: ["setTimeout"] });
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});
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afterEach(() => {
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mock.timers.reset();
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});
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afterEach(() => {
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mock.timers.reset();
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});
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it("should allow fetch when canFetch is true", async () => {
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const logger = new Logger();
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const controller = new FetchController(true, logger);
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const mockFetch = createMockFetch(false);
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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it("should allow fetch when canFetch is true", async () => {
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const logger = new Logger();
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const controller = new FetchController(true, logger);
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const mockFetch = createMockFetch(false);
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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const response = await controlledFetch("http://example.com");
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const response = await controlledFetch("http://example.com");
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assert.strictEqual(await response.text(), "OK");
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assert.strictEqual(mockFetch.mock.calls.length, 1);
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});
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assert.strictEqual(await response.text(), "OK");
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assert.strictEqual(mockFetch.mock.calls.length, 1);
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});
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it("should block fetch until canFetch becomes true", async () => {
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const logger = new Logger();
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const controller = new FetchController(false, logger);
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const mockFetch = createMockFetch(true);
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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it("should block fetch until canFetch becomes true", async () => {
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const logger = new Logger();
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const controller = new FetchController(false, logger);
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const mockFetch = createMockFetch(true);
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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const fetchPromise = controlledFetch("http://example.com");
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assert.strictEqual(mockFetch.mock.calls.length, 0);
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const fetchPromise = controlledFetch("http://example.com");
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assert.strictEqual(mockFetch.mock.calls.length, 0);
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controller.canFetch = true;
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await Promise.resolve();
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mock.timers.tick(30);
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controller.canFetch = true;
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await Promise.resolve();
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mock.timers.tick(30);
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const response = await fetchPromise;
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assert.strictEqual(await response.text(), "OK");
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assert.strictEqual(mockFetch.mock.calls.length, 1);
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});
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const response = await fetchPromise;
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assert.strictEqual(await response.text(), "OK");
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assert.strictEqual(mockFetch.mock.calls.length, 1);
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});
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it("should reject during reset", async () => {
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const logger = new Logger();
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const controller = new FetchController(true, logger);
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const mockFetch = createMockFetch(true);
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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it("should reject during reset", async () => {
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const logger = new Logger();
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const controller = new FetchController(true, logger);
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const mockFetch = createMockFetch(true);
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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const firstRequest = controlledFetch("http://example.com");
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assert.strictEqual(mockFetch.mock.calls.length, 1);
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const firstRequest = controlledFetch("http://example.com");
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assert.strictEqual(mockFetch.mock.calls.length, 1);
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controller.startReset();
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controller.startReset();
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const secondRequest = controlledFetch("http://example.com");
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const secondRequest = controlledFetch("http://example.com");
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await assert.rejects(
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firstRequest,
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(error: unknown) => error instanceof SyncResetError
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);
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await assert.rejects(
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secondRequest,
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(error: unknown) => error instanceof SyncResetError
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);
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assert.strictEqual(mockFetch.mock.calls.length, 1);
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});
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await assert.rejects(
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firstRequest,
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(error: unknown) => error instanceof SyncResetError
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);
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await assert.rejects(
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secondRequest,
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(error: unknown) => error instanceof SyncResetError
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);
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assert.strictEqual(mockFetch.mock.calls.length, 1);
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});
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it("should allow fetch after reset finishes", async () => {
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const logger = new Logger();
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const controller = new FetchController(true, logger);
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const mockFetch = createMockFetch(false);
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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it("should allow fetch after reset finishes", async () => {
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const logger = new Logger();
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const controller = new FetchController(true, logger);
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const mockFetch = createMockFetch(false);
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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controller.startReset();
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controller.finishReset();
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controller.startReset();
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controller.finishReset();
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const response = await controlledFetch("http://example.com");
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assert.strictEqual(await response.text(), "OK");
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});
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const response = await controlledFetch("http://example.com");
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assert.strictEqual(await response.text(), "OK");
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});
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it("should defer canFetch changes during reset", async () => {
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const logger = new Logger();
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const controller = new FetchController(false, logger);
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const mockFetch = createMockFetch(true);
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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it("should defer canFetch changes during reset", async () => {
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const logger = new Logger();
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const controller = new FetchController(false, logger);
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const mockFetch = createMockFetch(true);
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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controller.startReset();
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controller.canFetch = true;
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controller.startReset();
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controller.canFetch = true;
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await assert.rejects(
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async () => controlledFetch("http://example.com"),
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(error: unknown) => error instanceof SyncResetError
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);
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await assert.rejects(
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async () => controlledFetch("http://example.com"),
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(error: unknown) => error instanceof SyncResetError
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);
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controller.finishReset();
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controller.finishReset();
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const fetchPromise = controlledFetch("http://example.com");
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mock.timers.tick(30);
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const fetchPromise = controlledFetch("http://example.com");
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mock.timers.tick(30);
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const response = await fetchPromise;
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assert.strictEqual(await response.text(), "OK");
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});
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const response = await fetchPromise;
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assert.strictEqual(await response.text(), "OK");
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});
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it("should handle different input types", async () => {
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const logger = new Logger();
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const controller = new FetchController(true, logger);
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const mockFetch = createMockFetch(false);
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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it("should handle different input types", async () => {
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const logger = new Logger();
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const controller = new FetchController(true, logger);
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const mockFetch = createMockFetch(false);
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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await controlledFetch("http://example.com");
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await controlledFetch(new URL("http://example.com"));
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await controlledFetch(
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new Request("http://example.com", { method: "POST" })
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);
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await controlledFetch("http://example.com");
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await controlledFetch(new URL("http://example.com"));
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await controlledFetch(
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new Request("http://example.com", { method: "POST" })
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);
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assert.strictEqual(mockFetch.mock.calls.length, 3);
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});
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assert.strictEqual(mockFetch.mock.calls.length, 3);
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});
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it("should handle fetch errors", async () => {
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const logger = new Logger();
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const controller = new FetchController(true, logger);
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const mockFetch = mock.fn(async () => {
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throw new Error("Network error");
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});
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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it("should handle fetch errors", async () => {
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const logger = new Logger();
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const controller = new FetchController(true, logger);
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const mockFetch = mock.fn(async () => {
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throw new Error("Network error");
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});
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const controlledFetch = controller.getControlledFetchImplementation(
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logger,
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mockFetch
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);
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await assert.rejects(
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async () => controlledFetch("http://example.com"),
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(error: unknown) =>
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error instanceof Error && error.message === "Network error"
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);
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});
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await assert.rejects(
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async () => controlledFetch("http://example.com"),
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(error: unknown) =>
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error instanceof Error && error.message === "Network error"
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);
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});
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it("should not create unhandled rejection on reset with no waiting fetches", async () => {
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const logger = new Logger();
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const controller = new FetchController(true, logger);
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it("should not create unhandled rejection on reset with no waiting fetches", async () => {
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const logger = new Logger();
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const controller = new FetchController(true, logger);
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controller.startReset();
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mock.timers.tick(10);
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controller.finishReset();
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});
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controller.startReset();
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mock.timers.tick(10);
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controller.finishReset();
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});
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});
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