excalidraw/src/tests/selection.test.tsx

240 lines
7.8 KiB
TypeScript

import React from "react";
import ReactDOM from "react-dom";
import { render, fireEvent } from "./test-utils";
import App from "../components/App";
import * as Renderer from "../renderer/renderScene";
import { KEYS } from "../keys";
import { reseed } from "../random";
// Unmount ReactDOM from root
ReactDOM.unmountComponentAtNode(document.getElementById("root")!);
const renderScene = jest.spyOn(Renderer, "renderScene");
beforeEach(() => {
localStorage.clear();
renderScene.mockClear();
reseed(7);
});
const { h } = window;
describe("selection element", () => {
it("create selection element on pointer down", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("selection");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
fireEvent.pointerDown(canvas, { clientX: 60, clientY: 100 });
expect(renderScene).toHaveBeenCalledTimes(1);
const selectionElement = h.state.selectionElement!;
expect(selectionElement).not.toBeNull();
expect(selectionElement.type).toEqual("selection");
expect([selectionElement.x, selectionElement.y]).toEqual([60, 100]);
expect([selectionElement.width, selectionElement.height]).toEqual([0, 0]);
// TODO: There is a memory leak if pointer up is not triggered
fireEvent.pointerUp(canvas);
});
it("resize selection element on pointer move", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("selection");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
fireEvent.pointerDown(canvas, { clientX: 60, clientY: 100 });
fireEvent.pointerMove(canvas, { clientX: 150, clientY: 30 });
expect(renderScene).toHaveBeenCalledTimes(2);
const selectionElement = h.state.selectionElement!;
expect(selectionElement).not.toBeNull();
expect(selectionElement.type).toEqual("selection");
expect([selectionElement.x, selectionElement.y]).toEqual([60, 30]);
expect([selectionElement.width, selectionElement.height]).toEqual([90, 70]);
// TODO: There is a memory leak if pointer up is not triggered
fireEvent.pointerUp(canvas);
});
it("remove selection element on pointer up", () => {
const { getByToolName, container } = render(<App />);
// select tool
const tool = getByToolName("selection");
fireEvent.click(tool);
const canvas = container.querySelector("canvas")!;
fireEvent.pointerDown(canvas, { clientX: 60, clientY: 100 });
fireEvent.pointerMove(canvas, { clientX: 150, clientY: 30 });
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(3);
expect(h.state.selectionElement).toBeNull();
});
});
describe("select single element on the scene", () => {
it("rectangle", () => {
const { getByToolName, container } = render(<App />);
const canvas = container.querySelector("canvas")!;
{
// 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);
fireEvent.keyDown(document, { key: KEYS.ESCAPE });
}
const tool = getByToolName("selection");
fireEvent.click(tool);
// click on a line on the rectangle
fireEvent.pointerDown(canvas, { clientX: 45, clientY: 20 });
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(7);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
expect(h.state.selectedElementIds[h.elements[0].id]).toBeTruthy();
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
it("diamond", () => {
const { getByToolName, container } = render(<App />);
const canvas = container.querySelector("canvas")!;
{
// create element
const tool = getByToolName("diamond");
fireEvent.click(tool);
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
fireEvent.pointerUp(canvas);
fireEvent.keyDown(document, { key: KEYS.ESCAPE });
}
const tool = getByToolName("selection");
fireEvent.click(tool);
// click on a line on the rectangle
fireEvent.pointerDown(canvas, { clientX: 45, clientY: 20 });
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(7);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
expect(h.state.selectedElementIds[h.elements[0].id]).toBeTruthy();
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
it("ellipse", () => {
const { getByToolName, container } = render(<App />);
const canvas = container.querySelector("canvas")!;
{
// create element
const tool = getByToolName("ellipse");
fireEvent.click(tool);
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
fireEvent.pointerUp(canvas);
fireEvent.keyDown(document, { key: KEYS.ESCAPE });
}
const tool = getByToolName("selection");
fireEvent.click(tool);
// click on a line on the rectangle
fireEvent.pointerDown(canvas, { clientX: 45, clientY: 20 });
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(7);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
expect(h.state.selectedElementIds[h.elements[0].id]).toBeTruthy();
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
it("arrow", () => {
const { getByToolName, container } = render(<App />);
const canvas = container.querySelector("canvas")!;
{
// create element
const tool = getByToolName("arrow");
fireEvent.click(tool);
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
fireEvent.pointerUp(canvas);
fireEvent.keyDown(document, { key: KEYS.ESCAPE });
}
/*
1 2 3 4 5 6 7 8 9
1
2 x
3
4 .
5
6
7 x
8
9
*/
const tool = getByToolName("selection");
fireEvent.click(tool);
// click on a line on the arrow
fireEvent.pointerDown(canvas, { clientX: 40, clientY: 40 });
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(7);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
expect(h.state.selectedElementIds[h.elements[0].id]).toBeTruthy();
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
it("arrow escape", () => {
const { getByToolName, container } = render(<App />);
const canvas = container.querySelector("canvas")!;
{
// create element
const tool = getByToolName("line");
fireEvent.click(tool);
fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
fireEvent.pointerUp(canvas);
fireEvent.keyDown(document, { key: KEYS.ESCAPE });
}
/*
1 2 3 4 5 6 7 8 9
1
2 x
3
4 .
5
6
7 x
8
9
*/
const tool = getByToolName("selection");
fireEvent.click(tool);
// click on a line on the arrow
fireEvent.pointerDown(canvas, { clientX: 40, clientY: 40 });
fireEvent.pointerUp(canvas);
expect(renderScene).toHaveBeenCalledTimes(7);
expect(h.state.selectionElement).toBeNull();
expect(h.elements.length).toEqual(1);
expect(h.state.selectedElementIds[h.elements[0].id]).toBeTruthy();
h.elements.forEach((element) => expect(element).toMatchSnapshot());
});
});