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-rw-r--r--packages/excalidraw/tests/dragCreate.test.tsx347
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diff --git a/packages/excalidraw/tests/dragCreate.test.tsx b/packages/excalidraw/tests/dragCreate.test.tsx
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+import React from "react";
+import { Excalidraw } from "../index";
+import * as StaticScene from "../renderer/staticScene";
+import * as InteractiveScene from "../renderer/interactiveScene";
+import { KEYS } from "../keys";
+import {
+ render,
+ fireEvent,
+ mockBoundingClientRect,
+ restoreOriginalGetBoundingClientRect,
+ unmountComponent,
+} from "./test-utils";
+import type { ExcalidrawLinearElement } from "../element/types";
+import { reseed } from "../random";
+import { vi } from "vitest";
+
+unmountComponent();
+
+const renderInteractiveScene = vi.spyOn(
+ InteractiveScene,
+ "renderInteractiveScene",
+);
+const renderStaticScene = vi.spyOn(StaticScene, "renderStaticScene");
+
+beforeEach(() => {
+ localStorage.clear();
+ renderInteractiveScene.mockClear();
+ renderStaticScene.mockClear();
+ reseed(7);
+});
+
+const { h } = window;
+
+describe("Test dragCreate", () => {
+ describe("add element to the scene when pointer dragging long enough", () => {
+ it("rectangle", async () => {
+ const { getByToolName, container } = await render(<Excalidraw />);
+ // select tool
+ const tool = getByToolName("rectangle");
+ fireEvent.click(tool);
+
+ const canvas = container.querySelector("canvas.interactive")!;
+
+ // start from (30, 20)
+ fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
+
+ // move to (60,70)
+ fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
+
+ // finish (position does not matter)
+ 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.elements[0].type).toEqual("rectangle");
+ expect(h.elements[0].x).toEqual(30);
+ expect(h.elements[0].y).toEqual(20);
+ expect(h.elements[0].width).toEqual(30); // 60 - 30
+ expect(h.elements[0].height).toEqual(50); // 70 - 20
+
+ expect(h.elements.length).toMatchSnapshot();
+ h.elements.forEach((element) => expect(element).toMatchSnapshot());
+ });
+
+ it("ellipse", async () => {
+ const { getByToolName, container } = await render(<Excalidraw />);
+ // select tool
+ const tool = getByToolName("ellipse");
+ fireEvent.click(tool);
+
+ const canvas = container.querySelector("canvas.interactive")!;
+
+ // start from (30, 20)
+ fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
+
+ // move to (60,70)
+ fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
+
+ // finish (position does not matter)
+ 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.elements[0].type).toEqual("ellipse");
+ expect(h.elements[0].x).toEqual(30);
+ expect(h.elements[0].y).toEqual(20);
+ expect(h.elements[0].width).toEqual(30); // 60 - 30
+ expect(h.elements[0].height).toEqual(50); // 70 - 20
+
+ expect(h.elements.length).toMatchSnapshot();
+ h.elements.forEach((element) => expect(element).toMatchSnapshot());
+ });
+
+ it("diamond", async () => {
+ const { getByToolName, container } = await render(<Excalidraw />);
+ // select tool
+ const tool = getByToolName("diamond");
+ fireEvent.click(tool);
+
+ const canvas = container.querySelector("canvas.interactive")!;
+
+ // start from (30, 20)
+ fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
+
+ // move to (60,70)
+ fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
+
+ // finish (position does not matter)
+ 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.elements[0].type).toEqual("diamond");
+ expect(h.elements[0].x).toEqual(30);
+ expect(h.elements[0].y).toEqual(20);
+ expect(h.elements[0].width).toEqual(30); // 60 - 30
+ expect(h.elements[0].height).toEqual(50); // 70 - 20
+
+ expect(h.elements.length).toMatchSnapshot();
+ h.elements.forEach((element) => expect(element).toMatchSnapshot());
+ });
+
+ it("arrow", async () => {
+ const { getByToolName, container } = await render(<Excalidraw />);
+ // select tool
+ const tool = getByToolName("arrow");
+ fireEvent.click(tool);
+
+ const canvas = container.querySelector("canvas.interactive")!;
+
+ // start from (30, 20)
+ fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
+
+ // move to (60,70)
+ fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
+
+ // finish (position does not matter)
+ 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);
+
+ const element = h.elements[0] as ExcalidrawLinearElement;
+
+ expect(element.type).toEqual("arrow");
+ expect(element.x).toEqual(30);
+ expect(element.y).toEqual(20);
+ expect(element.points.length).toEqual(2);
+ expect(element.points[0]).toEqual([0, 0]);
+ expect(element.points[1]).toEqual([30, 50]); // (60 - 30, 70 - 20)
+
+ expect(h.elements.length).toMatchSnapshot();
+ h.elements.forEach((element) => expect(element).toMatchSnapshot());
+ });
+
+ it("line", async () => {
+ const { getByToolName, container } = await render(<Excalidraw />);
+ // select tool
+ const tool = getByToolName("line");
+ fireEvent.click(tool);
+
+ const canvas = container.querySelector("canvas.interactive")!;
+
+ // start from (30, 20)
+ fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
+
+ // move to (60,70)
+ fireEvent.pointerMove(canvas, { clientX: 60, clientY: 70 });
+
+ // finish (position does not matter)
+ 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);
+
+ const element = h.elements[0] as ExcalidrawLinearElement;
+
+ expect(element.type).toEqual("line");
+ expect(element.x).toEqual(30);
+ expect(element.y).toEqual(20);
+ expect(element.points.length).toEqual(2);
+ expect(element.points[0]).toEqual([0, 0]);
+ expect(element.points[1]).toEqual([30, 50]); // (60 - 30, 70 - 20)
+
+ h.elements.forEach((element) => expect(element).toMatchSnapshot());
+ });
+ });
+
+ describe("do not add element to the scene if size is too small", () => {
+ beforeAll(() => {
+ mockBoundingClientRect();
+ });
+ afterAll(() => {
+ restoreOriginalGetBoundingClientRect();
+ });
+
+ it("rectangle", async () => {
+ const { getByToolName, container } = await render(<Excalidraw />);
+ // select tool
+ const tool = getByToolName("rectangle");
+ fireEvent.click(tool);
+
+ const canvas = container.querySelector("canvas.interactive")!;
+
+ // start from (30, 20)
+ fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
+
+ // finish (position does not matter)
+ 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(0);
+ });
+
+ it("ellipse", async () => {
+ const { getByToolName, container } = await render(<Excalidraw />);
+ // select tool
+ const tool = getByToolName("ellipse");
+ fireEvent.click(tool);
+
+ const canvas = container.querySelector("canvas.interactive")!;
+
+ // start from (30, 20)
+ fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
+
+ // finish (position does not matter)
+ 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(0);
+ });
+
+ it("diamond", async () => {
+ const { getByToolName, container } = await render(<Excalidraw />);
+ // select tool
+ const tool = getByToolName("diamond");
+ fireEvent.click(tool);
+
+ const canvas = container.querySelector("canvas.interactive")!;
+
+ // start from (30, 20)
+ fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
+
+ // finish (position does not matter)
+ 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(0);
+ });
+
+ it("arrow", async () => {
+ const { getByToolName, container } = await render(
+ <Excalidraw handleKeyboardGlobally={true} />,
+ );
+ // select tool
+ const tool = getByToolName("arrow");
+ fireEvent.click(tool);
+
+ const canvas = container.querySelector("canvas.interactive")!;
+
+ // start from (30, 20)
+ fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
+
+ // finish (position does not matter)
+ fireEvent.pointerUp(canvas);
+
+ // we need to finalize it because arrows and lines enter multi-mode
+ fireEvent.keyDown(document, {
+ key: KEYS.ENTER,
+ });
+
+ expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
+ `6`,
+ );
+ expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`6`);
+ expect(h.state.selectionElement).toBeNull();
+ expect(h.elements.length).toEqual(0);
+ });
+
+ it("line", async () => {
+ const { getByToolName, container } = await render(
+ <Excalidraw handleKeyboardGlobally={true} />,
+ );
+ // select tool
+ const tool = getByToolName("line");
+ fireEvent.click(tool);
+
+ const canvas = container.querySelector("canvas.interactive")!;
+
+ // start from (30, 20)
+ fireEvent.pointerDown(canvas, { clientX: 30, clientY: 20 });
+
+ // finish (position does not matter)
+ fireEvent.pointerUp(canvas);
+
+ // we need to finalize it because arrows and lines enter multi-mode
+ fireEvent.keyDown(document, {
+ key: KEYS.ENTER,
+ });
+
+ expect(renderInteractiveScene.mock.calls.length).toMatchInlineSnapshot(
+ `6`,
+ );
+ expect(renderStaticScene.mock.calls.length).toMatchInlineSnapshot(`6`);
+ expect(h.state.selectionElement).toBeNull();
+ expect(h.elements.length).toEqual(0);
+ });
+ });
+});