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46 lines
1.4 KiB
46 lines
1.4 KiB
const { AbortController } = require("../index.js");
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describe("AbortController", function () {
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it("should call abort handlers once", function () {
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const controller = new AbortController();
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const signal = controller.signal;
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const handler = jest.fn();
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expect(signal.onabort).toBeNull();
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expect(signal.aborted).toBe(false);
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expect(signal.reason).toBeUndefined();
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signal.onabort = jest.fn();
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signal.addEventListener("abort", handler);
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controller.abort();
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expect(signal.aborted).toBe(true);
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expect(signal.reason).toEqual(new Error("AbortError"));
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expect(handler).toBeCalledTimes(1);
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expect(handler).toBeCalledWith({ type: "abort", target: signal });
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expect(signal.onabort).toBeCalledTimes(1);
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expect(signal.onabort).toBeCalledWith({ type: "abort", target: signal });
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jest.clearAllMocks();
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controller.abort();
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expect(signal.aborted).toBe(true);
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expect(signal.reason).toEqual(new Error("AbortError"));
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expect(handler).not.toBeCalled();
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expect(signal.onabort).not.toBeCalled();
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});
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it("should use custom abort reason", () => {
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const controller = new AbortController();
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const signal = controller.signal;
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expect(signal.aborted).toBe(false);
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expect(signal.reason).toBeUndefined();
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const customReason = new Error("Custom Reason");
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controller.abort(customReason);
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expect(signal.aborted).toBe(true);
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expect(signal.reason).toBe(customReason);
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});
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});
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