react-native-keyboard-controller/src/components/KeyboardChatScrollView/useExtraContentPadding/__tests__/persistent.spec.ts at 8545cf792ca3ed7304a5ba4cd6c50fb77eb9fed3 · trcoffman/react-native-keyboard-controller · GitHub

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import { sv } from "../../../../__fixtures__/sv";
import {
  createRender,
  flushRAF,
  mockScrollTo,
  reactionEffect,
} from "../__fixtures__/setup";

describe("useExtraContentPadding — persistent behavior", () => {
  it("should scrollTo on grow", async () => {
    const render = createRender();

    render({
      extraContentPadding: sv(20),
      keyboardPadding: sv(300),
      scroll: sv(100),
      layout: sv({ width: 390, height: 800 }),
      size: sv({ width: 390, height: 2000 }),
      inverted: false,
      keyboardLiftBehavior: "persistent",
      freeze: false,
    });

    reactionEffect(20, 0);
    await flushRAF();

    expect(mockScrollTo).toHaveBeenCalledWith(expect.anything(), 0, 120, false);
  });

  it("should NOT scrollTo on shrink when NOT at end", () => {
    const render = createRender();

    render({
      extraContentPadding: sv(0),
      keyboardPadding: sv(300),
      scroll: sv(100),
      layout: sv({ width: 390, height: 800 }),
      size: sv({ width: 390, height: 2000 }),
      inverted: false,
      keyboardLiftBehavior: "persistent",
      freeze: false,
    });

    reactionEffect(0, 20);

    expect(mockScrollTo).not.toHaveBeenCalled();
  });

  it("should scrollTo on shrink when at end", async () => {
    const render = createRender();

    render({
      extraContentPadding: sv(0),
      keyboardPadding: sv(300),
      scroll: sv(1200),
      layout: sv({ width: 390, height: 800 }),
      size: sv({ width: 390, height: 2000 }),
      inverted: false,
      keyboardLiftBehavior: "persistent",
      freeze: false,
    });

    reactionEffect(0, 20);
    await flushRAF();

    expect(mockScrollTo).toHaveBeenCalled();
  });
});