Function getColour

test/Frame.spec.jsx:146–147

(e)

            const elem = container.querySelector('p');
            const body = iframe.contentDocument.body;
            const getColour = (e) =>
              window.getComputedStyle(e, null).getPropertyValue('color');
            expect(getColour(elem)).toBe('rgb(0, 0, 0)');
            expect(getColour(body.querySelector('p'))).toBe('rgb(255, 0, 0)');
          }}