test(studio): fade handles measure the clip only while they show

Author: miguel-heygen

packages/studio/src/player/components/TimelineClipFades.test.tsx

@@ -129,6 +129,17 @@ describe("TimelineClipFades", () => {
     act(() => root.unmount());
   });
 
+  it("measures the clip only while its handles show, so a zoom step forces no layout", () => {
+    const measure = vi.spyOn(window, "getComputedStyle");
+    const { rerender } = render(clip, { showHandles: false });
+    rerender({ ...clip, duration: 11 });
+    expect(measure).not.toHaveBeenCalled();
+    act(() => mounted[0]?.unmount());
+    render(clip, { showHandles: true });
+    expect(measure).toHaveBeenCalled();
+    measure.mockRestore();
+  });
+
   it("renders nothing for a clip without fades when the handles are hidden", () => {
     const { host, root } = render(
       { ...clip, fadeIn: undefined, fadeOut: undefined },