220 lines
8.2 KiB
TypeScript
220 lines
8.2 KiB
TypeScript
import { mock } from "jest-mock-extended";
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import { OverlayButtonWindowMessageHandlers } from "../../abstractions/autofill-overlay-button";
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import AutofillOverlayPageElement from "./autofill-overlay-page-element";
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describe("AutofillOverlayPageElement", () => {
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globalThis.customElements.define("autofill-overlay-page-element", AutofillOverlayPageElement);
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let autofillOverlayPageElement: AutofillOverlayPageElement;
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const translations = {
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locale: "en",
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buttonPageTitle: "buttonPageTitle",
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listPageTitle: "listPageTitle",
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};
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beforeEach(() => {
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jest.spyOn(globalThis.parent, "postMessage");
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jest.spyOn(globalThis, "addEventListener");
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jest.spyOn(globalThis.document, "addEventListener");
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document.body.innerHTML = "<autofill-overlay-page-element></autofill-overlay-page-element>";
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autofillOverlayPageElement = document.querySelector("autofill-overlay-page-element");
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});
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afterEach(() => {
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jest.clearAllMocks();
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});
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describe("initOverlayPage", () => {
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beforeEach(() => {
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jest.spyOn(globalThis.document.documentElement, "setAttribute");
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jest.spyOn(globalThis.document, "createElement");
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});
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it("initializes the button overlay page", () => {
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const linkElement = autofillOverlayPageElement["initOverlayPage"](
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"button",
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"https://jest-testing-website.com",
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translations,
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);
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expect(globalThis.document.documentElement.setAttribute).toHaveBeenCalledWith(
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"lang",
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translations.locale,
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);
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expect(globalThis.document.head.title).toEqual(translations.buttonPageTitle);
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expect(globalThis.document.createElement).toHaveBeenCalledWith("link");
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expect(linkElement.getAttribute("rel")).toEqual("stylesheet");
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expect(linkElement.getAttribute("href")).toEqual("https://jest-testing-website.com");
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});
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});
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describe("postMessageToParent", () => {
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it("skips posting a message to the parent if the message origin in not set", () => {
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autofillOverlayPageElement["postMessageToParent"]({ command: "test" });
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expect(globalThis.parent.postMessage).not.toHaveBeenCalled();
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});
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it("posts a message to the parent", () => {
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autofillOverlayPageElement["messageOrigin"] = "https://jest-testing-website.com";
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autofillOverlayPageElement["postMessageToParent"]({ command: "test" });
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expect(globalThis.parent.postMessage).toHaveBeenCalledWith(
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{ command: "test" },
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"https://jest-testing-website.com",
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);
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});
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});
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describe("getTranslation", () => {
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it("returns an empty value if the translation doesn't exist in the translations object", () => {
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autofillOverlayPageElement["translations"] = translations;
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expect(autofillOverlayPageElement["getTranslation"]("test")).toEqual("");
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});
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});
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describe("global event listeners", () => {
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it("sets up global event listeners", () => {
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const handleWindowMessageSpy = jest.spyOn(
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autofillOverlayPageElement as any,
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"handleWindowMessage",
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);
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const handleWindowBlurEventSpy = jest.spyOn(
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autofillOverlayPageElement as any,
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"handleWindowBlurEvent",
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);
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const handleDocumentKeyDownEventSpy = jest.spyOn(
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autofillOverlayPageElement as any,
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"handleDocumentKeyDownEvent",
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);
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autofillOverlayPageElement["setupGlobalListeners"](
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mock<OverlayButtonWindowMessageHandlers>(),
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);
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expect(globalThis.addEventListener).toHaveBeenCalledWith("message", handleWindowMessageSpy);
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expect(globalThis.addEventListener).toHaveBeenCalledWith("blur", handleWindowBlurEventSpy);
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expect(globalThis.document.addEventListener).toHaveBeenCalledWith(
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"keydown",
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handleDocumentKeyDownEventSpy,
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);
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});
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it("sets the message origin when handling the first passed window message", () => {
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const initAutofillOverlayButtonSpy = jest.fn();
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autofillOverlayPageElement["setupGlobalListeners"](
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mock<OverlayButtonWindowMessageHandlers>({
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initAutofillOverlayButton: initAutofillOverlayButtonSpy,
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}),
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);
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globalThis.dispatchEvent(
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new MessageEvent("message", {
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data: { command: "initAutofillOverlayButton" },
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origin: "https://jest-testing-website.com",
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}),
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);
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expect(autofillOverlayPageElement["messageOrigin"]).toEqual(
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"https://jest-testing-website.com",
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);
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});
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it("handles window messages that are part of the passed windowMessageHandlers object", () => {
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const initAutofillOverlayButtonSpy = jest.fn();
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autofillOverlayPageElement["setupGlobalListeners"](
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mock<OverlayButtonWindowMessageHandlers>({
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initAutofillOverlayButton: initAutofillOverlayButtonSpy,
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}),
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);
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const data = { command: "initAutofillOverlayButton" };
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globalThis.dispatchEvent(new MessageEvent("message", { data }));
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expect(initAutofillOverlayButtonSpy).toHaveBeenCalledWith({ message: data });
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});
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it("skips attempting to handle window messages that are not part of the passed windowMessageHandlers object", () => {
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const initAutofillOverlayButtonSpy = jest.fn();
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autofillOverlayPageElement["setupGlobalListeners"](
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mock<OverlayButtonWindowMessageHandlers>({
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initAutofillOverlayButton: initAutofillOverlayButtonSpy,
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}),
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);
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globalThis.dispatchEvent(new MessageEvent("message", { data: { command: "test" } }));
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expect(initAutofillOverlayButtonSpy).not.toHaveBeenCalled();
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});
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it("posts a message to the parent when the window is blurred", () => {
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autofillOverlayPageElement["messageOrigin"] = "https://jest-testing-website.com";
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autofillOverlayPageElement["setupGlobalListeners"](
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mock<OverlayButtonWindowMessageHandlers>(),
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);
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globalThis.dispatchEvent(new Event("blur"));
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expect(globalThis.parent.postMessage).toHaveBeenCalledWith(
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{ command: "overlayPageBlurred" },
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"https://jest-testing-website.com",
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);
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});
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it("skips redirecting keyboard focus when a KeyDown event triggers and the key is not a `Tab` or `Escape` key", () => {
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autofillOverlayPageElement["setupGlobalListeners"](
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mock<OverlayButtonWindowMessageHandlers>(),
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);
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globalThis.document.dispatchEvent(new KeyboardEvent("keydown", { code: "test" }));
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expect(globalThis.parent.postMessage).not.toHaveBeenCalled();
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});
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it("redirects the overlay focus out to the previous element on KeyDown of the `Tab+Shift` keys", () => {
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autofillOverlayPageElement["messageOrigin"] = "https://jest-testing-website.com";
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autofillOverlayPageElement["setupGlobalListeners"](
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mock<OverlayButtonWindowMessageHandlers>(),
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);
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globalThis.document.dispatchEvent(
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new KeyboardEvent("keydown", { code: "Tab", shiftKey: true }),
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);
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expect(globalThis.parent.postMessage).toHaveBeenCalledWith(
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{ command: "redirectOverlayFocusOut", direction: "previous" },
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"https://jest-testing-website.com",
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);
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});
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it("redirects the overlay focus out to the next element on KeyDown of the `Tab` key", () => {
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autofillOverlayPageElement["messageOrigin"] = "https://jest-testing-website.com";
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autofillOverlayPageElement["setupGlobalListeners"](
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mock<OverlayButtonWindowMessageHandlers>(),
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);
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globalThis.document.dispatchEvent(new KeyboardEvent("keydown", { code: "Tab" }));
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expect(globalThis.parent.postMessage).toHaveBeenCalledWith(
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{ command: "redirectOverlayFocusOut", direction: "next" },
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"https://jest-testing-website.com",
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);
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});
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it("redirects the overlay focus out to the current element on KeyDown of the `Escape` key", () => {
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autofillOverlayPageElement["messageOrigin"] = "https://jest-testing-website.com";
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autofillOverlayPageElement["setupGlobalListeners"](
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mock<OverlayButtonWindowMessageHandlers>(),
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);
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globalThis.document.dispatchEvent(new KeyboardEvent("keydown", { code: "Escape" }));
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expect(globalThis.parent.postMessage).toHaveBeenCalledWith(
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{ command: "redirectOverlayFocusOut", direction: "current" },
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"https://jest-testing-website.com",
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);
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});
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});
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});
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