react-native-web-internals/dist/esm/modules/createEventHandle/__tests__/index-test.js

React Native for Web

import { createEventTarget } from "dom-event-testing-library";
import * as React from "react";
import * as ReactDOM from "react-dom";
import * as ReactDOMServer from "react-dom/server";
import { act } from "react-dom/test-utils";
import createEventHandle from "..";
import { jsx } from "react/jsx-runtime";
function createRoot(rootNode) {
  return {
    render(element) {
      ReactDOM.render(element, rootNode);
    }
  };
}
describe("create-event-handle", () => {
  let root, rootNode;
  beforeEach(() => {
    rootNode = document.createElement("div"), document.body.appendChild(rootNode), root = createRoot(rootNode);
  }), afterEach(() => {
    root.render(null), document.body.removeChild(rootNode), rootNode = null, root = null;
  }), test("can render correctly using ReactDOMServer", () => {
    const listener = jest.fn(), targetRef = React.createRef(), addClickListener = createEventHandle("click");
    function Component() {
      return React.useEffect(() => addClickListener(targetRef.current, listener)), /* @__PURE__ */ jsx("div", { ref: targetRef });
    }
    const output = ReactDOMServer.renderToString(/* @__PURE__ */ jsx(Component, {}));
    expect(output).toBe('<div data-reactroot=""></div>');
  }), describe("createEventTarget()", () => {
    test("event dispatched on target", () => {
      const listener = jest.fn(), targetRef = React.createRef(), addClickListener = createEventHandle("click");
      function Component() {
        return React.useEffect(() => addClickListener(targetRef.current, listener)), /* @__PURE__ */ jsx("div", { ref: targetRef });
      }
      act(() => {
        root.render(/* @__PURE__ */ jsx(Component, {}));
      });
      const target = createEventTarget(targetRef.current);
      act(() => {
        target.click();
      }), expect(listener).toBeCalledTimes(1);
    }), test("event dispatched on parent", () => {
      const listener = jest.fn(), listenerCapture = jest.fn(), targetRef = React.createRef(), parentRef = React.createRef(), addClickListener = createEventHandle("click"), addClickCaptureListener = createEventHandle("click", {
        capture: !0
      });
      function Component() {
        return React.useEffect(() => {
          const removeClickListener = addClickListener(targetRef.current, listener), removeClickCaptureListener = addClickCaptureListener(
            targetRef.current,
            listenerCapture
          );
          return () => {
            removeClickListener(), removeClickCaptureListener();
          };
        }), /* @__PURE__ */ jsx("div", { ref: parentRef, children: /* @__PURE__ */ jsx("div", { ref: targetRef }) });
      }
      act(() => {
        root.render(/* @__PURE__ */ jsx(Component, {}));
      });
      const parent = createEventTarget(parentRef.current);
      act(() => {
        parent.click();
      }), expect(listener).toBeCalledTimes(0), expect(listenerCapture).toBeCalledTimes(0);
    }), test("event dispatched on child", () => {
      const log = [], listener = jest.fn(() => {
        log.push("bubble");
      }), listenerCapture = jest.fn(() => {
        log.push("capture");
      }), targetRef = React.createRef(), childRef = React.createRef(), addClickListener = createEventHandle("click"), addClickCaptureListener = createEventHandle("click", {
        capture: !0
      });
      function Component() {
        return React.useEffect(() => {
          const removeClickListener = addClickListener(targetRef.current, listener), removeClickCaptureListener = addClickCaptureListener(
            targetRef.current,
            listenerCapture
          );
          return () => {
            removeClickListener(), removeClickCaptureListener();
          };
        }), /* @__PURE__ */ jsx("div", { ref: targetRef, children: /* @__PURE__ */ jsx("div", { ref: childRef }) });
      }
      act(() => {
        root.render(/* @__PURE__ */ jsx(Component, {}));
      });
      const child = createEventTarget(childRef.current);
      act(() => {
        child.click();
      }), expect(listenerCapture).toBeCalledTimes(1), expect(listener).toBeCalledTimes(1), expect(log).toEqual(["capture", "bubble"]);
    }), test("event dispatched on text node", () => {
      const listener = jest.fn(), targetRef = React.createRef(), childRef = React.createRef(), addClickListener = createEventHandle("click");
      function Component() {
        return React.useEffect(() => addClickListener(targetRef.current, listener)), /* @__PURE__ */ jsx("div", { ref: targetRef, children: /* @__PURE__ */ jsx("div", { ref: childRef, children: "text" }) });
      }
      act(() => {
        root.render(/* @__PURE__ */ jsx(Component, {}));
      });
      const text = createEventTarget(childRef.current.firstChild);
      act(() => {
        text.click();
      }), expect(listener).toBeCalledTimes(1);
    }), test("listener can be attached to document", () => {
      const listener = jest.fn(), targetRef = React.createRef(), addClickListener = createEventHandle("click");
      function Component({ target: target2 }) {
        return React.useEffect(() => addClickListener(target2, listener)), /* @__PURE__ */ jsx("div", { ref: targetRef });
      }
      act(() => {
        root.render(/* @__PURE__ */ jsx(Component, { target: document }));
      });
      const target = createEventTarget(targetRef.current);
      act(() => {
        target.click();
      }), expect(listener).toBeCalledTimes(1);
    }), test("listener can be attached to window ", () => {
      const listener = jest.fn(), targetRef = React.createRef(), addClickListener = createEventHandle("click");
      function Component({ target: target2 }) {
        return React.useEffect(() => addClickListener(target2, listener)), /* @__PURE__ */ jsx("div", { ref: targetRef });
      }
      act(() => {
        root.render(/* @__PURE__ */ jsx(Component, { target: window }));
      });
      const target = createEventTarget(targetRef.current);
      act(() => {
        target.click();
      }), expect(listener).toBeCalledTimes(1);
    }), test("custom event dispatched on target", () => {
      const listener = jest.fn(), targetRef = React.createRef(), addMagicEventListener = createEventHandle("magic-event");
      function Component() {
        return React.useEffect(() => addMagicEventListener(targetRef.current, listener)), /* @__PURE__ */ jsx("div", { ref: targetRef });
      }
      act(() => {
        root.render(/* @__PURE__ */ jsx(Component, {}));
      }), act(() => {
        const event = new CustomEvent("magic-event", { bubbles: !0 });
        targetRef.current.dispatchEvent(event);
      }), expect(listener).toBeCalledTimes(1);
    }), test("listeners can be set on multiple targets simultaneously", () => {
      const log = [], targetRef = React.createRef(), parentRef = React.createRef(), childRef = React.createRef(), addClickListener = createEventHandle("click"), addClickCaptureListener = createEventHandle("click", {
        capture: !0
      }), listener = jest.fn((e) => {
        log.push(["bubble", e.currentTarget.id]);
      }), listenerCapture = jest.fn((e) => {
        log.push(["capture", e.currentTarget.id]);
      });
      function Component() {
        return React.useEffect(() => {
          addClickListener(targetRef.current, listener), addClickListener(parentRef.current, listener), addClickCaptureListener(targetRef.current, listenerCapture), addClickCaptureListener(parentRef.current, listenerCapture);
        }), /* @__PURE__ */ jsx("div", { id: "parent", ref: parentRef, children: /* @__PURE__ */ jsx("div", { id: "target", ref: targetRef, children: /* @__PURE__ */ jsx("div", { ref: childRef }) }) });
      }
      act(() => {
        root.render(/* @__PURE__ */ jsx(Component, {}));
      });
      const child = createEventTarget(childRef.current);
      act(() => {
        child.click();
      }), expect(listenerCapture).toBeCalledTimes(2), expect(listener).toBeCalledTimes(2), expect(log).toEqual([
        ["capture", "parent"],
        ["capture", "target"],
        ["bubble", "target"],
        ["bubble", "parent"]
      ]);
    }), test("listeners are specific to each event handle", () => {
      const log = [], targetRef = React.createRef(), childRef = React.createRef(), addClickListener = createEventHandle("click"), addClickAltListener = createEventHandle("click"), addClickCaptureListener = createEventHandle("click", {
        capture: !0
      }), addClickCaptureAltListener = createEventHandle("click", {
        capture: !0
      }), listener = jest.fn((e) => {
        log.push(["bubble", "target"]);
      }), listenerAlt = jest.fn((e) => {
        log.push(["bubble", "target-alt"]);
      }), listenerCapture = jest.fn((e) => {
        log.push(["capture", "target"]);
      }), listenerCaptureAlt = jest.fn((e) => {
        log.push(["capture", "target-alt"]);
      });
      function Component() {
        return React.useEffect(() => {
          addClickListener(targetRef.current, listener), addClickAltListener(targetRef.current, listenerAlt), addClickCaptureListener(targetRef.current, listenerCapture), addClickCaptureAltListener(targetRef.current, listenerCaptureAlt);
        }), /* @__PURE__ */ jsx("div", { id: "target", ref: targetRef, children: /* @__PURE__ */ jsx("div", { ref: childRef }) });
      }
      act(() => {
        root.render(/* @__PURE__ */ jsx(Component, {}));
      });
      const child = createEventTarget(childRef.current);
      act(() => {
        child.click();
      }), expect(listenerCapture).toBeCalledTimes(1), expect(listenerCaptureAlt).toBeCalledTimes(1), expect(listener).toBeCalledTimes(1), expect(listenerAlt).toBeCalledTimes(1), expect(log).toEqual([
        ["capture", "target"],
        ["capture", "target-alt"],
        ["bubble", "target"],
        ["bubble", "target-alt"]
      ]);
    });
  }), describe("stopPropagation and stopImmediatePropagation", () => {
    test("stopPropagation works as expected", () => {
      const childListener = jest.fn((e) => {
        e.stopPropagation();
      }), targetListener = jest.fn(), targetRef = React.createRef(), childRef = React.createRef(), addClickListener = createEventHandle("click");
      function Component() {
        return React.useEffect(() => {
          addClickListener(childRef.current, childListener), addClickListener(targetRef.current, targetListener);
        }), /* @__PURE__ */ jsx("div", { ref: targetRef, children: /* @__PURE__ */ jsx("div", { ref: childRef }) });
      }
      act(() => {
        root.render(/* @__PURE__ */ jsx(Component, {}));
      });
      const child = createEventTarget(childRef.current);
      act(() => {
        child.click();
      }), expect(childListener).toBeCalledTimes(1), expect(targetListener).toBeCalledTimes(0);
    }), test("stopImmediatePropagation works as expected", () => {
      const firstListener = jest.fn((e) => {
        e.stopImmediatePropagation();
      }), secondListener = jest.fn(), targetRef = React.createRef(), addFirstClickListener = createEventHandle("click"), addSecondClickListener = createEventHandle("click");
      function Component() {
        return React.useEffect(() => {
          addFirstClickListener(targetRef.current, firstListener), addSecondClickListener(targetRef.current, secondListener);
        }), /* @__PURE__ */ jsx("div", { ref: targetRef });
      }
      act(() => {
        root.render(/* @__PURE__ */ jsx(Component, {}));
      });
      const target = createEventTarget(targetRef.current);
      act(() => {
        target.click();
      }), expect(firstListener).toBeCalledTimes(1), expect(secondListener).toBeCalledTimes(0);
    });
  });
});
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