import { mount } from 'enzyme';
import React from 'react';
import { StyleSheet } from 'react-native';
import { BlurView } from '..';
const getStyleProp = (component, prop) => StyleSheet.flatten(component.prop('style'))[prop];
// @ts-ignore
const originalCSS = global.CSS;
beforeEach(() => {
// @ts-ignore
global.CSS = {
supports() {
return true;
},
};
});
afterAll(() => {
// @ts-ignore
global.CSS = originalCSS;
});
it(`prefers filters to background color`, () => {
const withNativeBlur = mount();
expect(getStyleProp(withNativeBlur.find('div'), 'WebkitBackdropFilter')).toBeDefined();
expect(getStyleProp(withNativeBlur.find('div'), 'backdropFilter')).toBeDefined();
});
it(`uses a transparent background color when filters aren't supported`, () => {
// @ts-ignore
global.CSS = undefined;
const withoutNativeBlur = mount();
expect(getStyleProp(withoutNativeBlur.find('div'), 'WebkitBackdropFilter')).not.toBeDefined();
expect(getStyleProp(withoutNativeBlur.find('div'), 'backdropFilter')).not.toBeDefined();
expect(getStyleProp(withoutNativeBlur.find('div'), 'backgroundColor')).toBeDefined();
});