Function installCanvasContext

src/hooks/useFrustumTexture.test.ts:255–267

()

}

function installCanvasContext(): () => void {
  const originalGetContext = Object.getOwnPropertyDescriptor(HTMLCanvasElement.prototype, 'getContext');
  Object.defineProperty(HTMLCanvasElement.prototype, 'getContext', {
    configurable: true,
    value: vi.fn(() => ({
      drawImage: vi.fn(),
    })),
  });

  return () => {
    restoreProperty(HTMLCanvasElement.prototype, 'getContext', originalGetContext);
  };
}

function installObjectUrls(): () => void {
  const originalCreateObjectUrl = Object.getOwnPropertyDescriptor(URL, 'createObjectURL');