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import React from "react";
import "../../utils/test-utils";
import { render, fireEvent, act, unmountComponent } from "./test-utils";
import { Excalidraw } from "../index";
import * as StaticScene from "../renderer/staticScene";
import * as InteractiveCanvas from "../renderer/interactiveScene";
import { reseed } from "../random";
import { bindOrUnbindLinearElement } from "../element/binding";
import type {
ExcalidrawLinearElement,
NonDeleted,
ExcalidrawRectangleElement,
} from "../element/types";
import { UI, Pointer, Keyboard } from "./helpers/ui";
import { KEYS } from "../keys";
import { vi } from "vitest";
import type Scene from "../scene/Scene";
unmountComponent();
const renderInteractiveScene = vi.spyOn(
InteractiveCanvas,
"renderInteractiveScene",
);
const renderStaticScene = vi.spyOn(StaticScene, "renderStaticScene");
beforeEach(() => {
localStorage.clear();
renderInteractiveScene.mockClear();
renderStaticScene.mockClear();
reseed(7);
});
const { h } = window;
describe("move element", () => {
it("rectangle", async () => {
const { getByToolName, container } = await render(<Excalidraw />);
const canvas = container.querySelector("canvas.interactive")!;
{
// create element
const tool = getByToolName("rectangle");
fireEvent.click(tool);
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
fireEvent.pointerUp(canvas);
expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
`5`,
);
expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`5`);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
expect(h.state.selectedElementIds[h.elements[0].id]).toBeTruthy();
expect([h.elements[0].x, h.elements[0].y]).toEqual([30, 20]);
renderInteractiveScene.mockClear();
renderStaticScene.mockClear();
}
fireEvent.pointerDown(canvas, { clientX: 50, clientY: 20 });
fireEvent.pointerMove(canvas, { clientX: 20, clientY: 40 });
fireEvent.pointerUp(canvas);
expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(`3`);
expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`2`);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
expect([h.elements[0].x, h.elements[0].y]).toEqual([0, 40]);
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
it("rectangles with binding arrow", async () => {
await render(<Excalidraw handleKeyboardGlobally={true} />);
// create elements
const rectA = UI.createElement("rectangle", { size: 100 });
const rectB = UI.createElement("rectangle", { x: 200, y: 0, size: 300 });
const arrow = UI.createElement("arrow", { x: 110, y: 50, size: 80 });
const elementsMap = h.app.scene.getNonDeletedElementsMap();
act(() => {
// bind line to two rectangles
bindOrUnbindLinearElement(
arrow.get() as NonDeleted<ExcalidrawLinearElement>,
rectA.get() as ExcalidrawRectangleElement,
rectB.get() as ExcalidrawRectangleElement,
elementsMap,
{} as Scene,
);
});
// select the second rectangle
new Pointer("mouse").clickOn(rectB);
expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
`17`,
);
expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`13`);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(3);
expect(h.state.selectedElementIds[rectB.id]).toBeTruthy();
expect([rectA.x, rectA.y]).toEqual([0, 0]);
expect([rectB.x, rectB.y]).toEqual([200, 0]);
expect([arrow.x, arrow.y]).toEqual([110, 50]);
expect([arrow.width, arrow.height]).toEqual([80, 80]);
renderInteractiveScene.mockClear();
renderStaticScene.mockClear();
// Move selected rectangle
Keyboard.keyDown(KEYS.ARROW_RIGHT);
Keyboard.keyDown(KEYS.ARROW_DOWN);
Keyboard.keyDown(KEYS.ARROW_DOWN);
// Check that the arrow size has been changed according to moving the rectangle
expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(`3`);
expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`3`);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(3);
expect(h.state.selectedElementIds[rectB.id]).toBeTruthy();
expect([rectA.x, rectA.y]).toEqual([0, 0]);
expect([rectB.x, rectB.y]).toEqual([201, 2]);
expect([[arrow.x, arrow.y]]).toCloselyEqualPoints([[107.07, 47.07]]);
expect([[arrow.width, arrow.height]]).toCloselyEqualPoints([[86.86, 87.3]]);
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
});
describe("duplicate element on move when ALT is clicked", () => {
it("rectangle", async () => {
const { getByToolName, container } = await render(<Excalidraw />);
const canvas = container.querySelector("canvas.interactive")!;
{
// create element
const tool = getByToolName("rectangle");
fireEvent.click(tool);
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
fireEvent.pointerUp(canvas);
expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
`5`,
);
expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`5`);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
expect(h.state.selectedElementIds[h.elements[0].id]).toBeTruthy();
expect([h.elements[0].x, h.elements[0].y]).toEqual([30, 20]);
renderInteractiveScene.mockClear();
renderStaticScene.mockClear();
}
fireEvent.pointerDown(canvas, { clientX: 50, clientY: 20 });
fireEvent.pointerMove(canvas, { clientX: 20, clientY: 40, altKey: true });
// firing another pointerMove event with alt key pressed should NOT trigger
// another duplication
fireEvent.pointerMove(canvas, { clientX: 20, clientY: 40, altKey: true });
fireEvent.pointerMove(canvas, { clientX: 10, clientY: 60 });
fireEvent.pointerUp(canvas);
// TODO: This used to be 4, but binding made it go up to 5. Do we need
// that additional render?
expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(`4`);
expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`3`);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(2);
// previous element should stay intact
expect([h.elements[0].x, h.elements[0].y]).toEqual([30, 20]);
expect([h.elements[1].x, h.elements[1].y]).toEqual([-10, 60]);
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
});
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