test case + consistent text scaling

packages/element/tests/groupResize.test.tsx

@@ -0,0 +1,116 @@
+import { API } from "@excalidraw/excalidraw/tests/helpers/api";
+import { UI, Keyboard, Pointer } from "@excalidraw/excalidraw/tests/helpers/ui";
+import { KEYS } from "@excalidraw/common";
+import { unmountComponent } from "@excalidraw/excalidraw/tests/test-utils";
+import { render } from "@excalidraw/excalidraw/tests/test-utils";
+import { Excalidraw } from "@excalidraw/excalidraw";
+const { h } = window;
+const mouse = new Pointer("mouse");
+
+unmountComponent();
+
+describe("group resize", () => {
+  beforeEach(() => {
+    h.elements = [];
+  });
+
+  it("resizes group with locked aspect ratio using side handles", async () => {
+    await render(<Excalidraw handleKeyboardGlobally={true} />);
+    
+    UI.clickTool("rectangle");
+    mouse.down(10, 10);
+    mouse.up(10, 10);
+
+    UI.clickTool("rectangle");
+    mouse.down(10, -10);
+    mouse.up(10, 10);
+
+    UI.clickTool("rectangle");
+    mouse.down(10, -10);
+    mouse.up(10, 10);
+    const end = mouse.getPosition();
+
+    mouse.reset();
+    mouse.down();
+    mouse.restorePosition(...end);
+    mouse.up();
+
+    expect(h.elements.length).toBe(3);
+    for (const element of h.elements) {
+      expect(element.groupIds.length).toBe(0);
+      expect(h.state.selectedElementIds[element.id]).toBe(true);
+    }
+
+    Keyboard.withModifierKeys({ ctrl: true }, () => {
+      Keyboard.keyPress(KEYS.G);
+    });
+
+    for (const element of h.elements) {
+      expect(element.groupIds.length).toBe(1);
+    }
+
+    mouse.select(h.elements[0]);
+    let originalWidth = h.elements[0].width;
+    let originalHeight = h.elements[0].height;
+
+    UI.resize(h.elements[0], 'se', [50, 50], { shift: true });
+
+    expect(h.elements[0].width).toBe(originalWidth + 50);
+    expect(h.elements[0].height).toBe(originalHeight + 50);
+
+    originalWidth = h.elements[0].width;
+    originalHeight = h.elements[0].height;
+
+    UI.resize(h.elements[0], "nw", [-50, -50], { shift: true });
+
+    expect(h.elements[0].width).toBe(originalWidth - 50);
+    expect(h.elements[0].height).toBe(originalHeight - 50);
+  });
+
+  it("resizes group with locked aspect ratio using corner handles", async () => {
+    await render(<Excalidraw handleKeyboardGlobally={true} />);
+    
+    UI.clickTool("rectangle");
+    mouse.down(10, 10);
+    mouse.up(10, 10);
+
+    UI.clickTool("rectangle");
+    mouse.down(10, -10);
+    mouse.up(10, 10);
+
+    UI.clickTool("rectangle");
+    mouse.down(10, -10);
+    mouse.up(10, 10);
+    const end = mouse.getPosition();
+
+    mouse.reset();
+    mouse.down();
+    mouse.restorePosition(...end);
+    mouse.up();
+
+    expect(h.elements.length).toBe(3);
+    for (const element of h.elements) {
+      expect(element.groupIds.length).toBe(0);
+      expect(h.state.selectedElementIds[element.id]).toBe(true);
+    }
+
+    Keyboard.withModifierKeys({ ctrl: true }, () => {
+      Keyboard.keyPress(KEYS.G);
+    });
+
+    for (const element of h.elements) {
+      expect(element.groupIds.length).toBe(1);
+    }
+
+    mouse.select(h.elements[0]);
+
+    let originalWidth = h.elements[0].width;
+    let originalHeight = h.elements[0].height;
+
+    UI.resize(h.elements[0], "se", [50, 50], { shift: true });
+
+
+    expect(h.elements[0].width).toBe(originalWidth + 50);
+    expect(h.elements[0].height).toBe(originalHeight + 50);
+  });
+});