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WheelPicker - initialValue prop updates - adding render test #1701

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Merged
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Dec 2, 2021
Merged

WheelPicker - initialValue prop updates - adding render test #1701

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24 changes: 18 additions & 6 deletions src/incubator/WheelPicker/__tests__/index.spec.js
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Original file line number Diff line number Diff line change
@@ -1,9 +1,10 @@
import _ from 'lodash';
import React from 'react';
import {WheelPicker} from '../../../incubator';
import {Colors} from 'style';
import {render} from '@testing-library/react-native';
import {fireOnMomentumScrollEnd} from '../../../uilib-test-renderer';
import {Colors} from 'style';
import {WheelPicker} from '../../../incubator';


const ITEM_HEIGHT = 50;
const NUM_OF_ROWS = 7;
Expand All @@ -14,10 +15,10 @@ const TestCase = props => {
<WheelPicker
testID={'wheel'}
items={_.times(60, i => i).map(item => ({label: `${item}`, value: item}))}
initialValue={0}
onChange={onChangeMock}
numberOfVisibleRows={NUM_OF_ROWS}
itemHeight={ITEM_HEIGHT}
initialIndex={0}
activeTextColor={Colors.red30}
inactiveTextColor={Colors.blue30}
{...props}
Expand All @@ -26,17 +27,19 @@ const TestCase = props => {
};

describe('WheelPicker', () => {
beforeEach(() => {
onChangeMock.mockClear();
});

describe('FlatList', () => {
it('should call onChange callback after scrolling', () => {
const {getByTestId} = render(<TestCase/>);
const flatList = getByTestId('wheel.list');

fireOnMomentumScrollEnd(flatList, {y: 200});

expect(onChangeMock).toHaveBeenCalledWith(4, 4);

fireOnMomentumScrollEnd(flatList, {y: 330});

expect(onChangeMock).toHaveBeenCalledWith(7, 7);
});

Expand All @@ -48,6 +51,15 @@ describe('WheelPicker', () => {
});
});

describe('initialValue', () => {
it('should not call onChange when initialValue is updated', () => {
const {update} = render(<TestCase/>);

update(<TestCase initialValue={2}/>);
expect(onChangeMock).not.toHaveBeenCalled();
});
});

//TODO: make this test work
// describe('Item', () => {
// it('should set activeColor to the selected index', () => {
Expand All @@ -61,7 +73,7 @@ describe('WheelPicker', () => {
// expect(item_0).toHaveAnimatedStyle(activeStyle);
// expect(item_4).toHaveAnimatedStyle(inactiveStyle);

// fireEvent(flatList, 'onMomentumScrollEnd', {nativeEvent: {contentOffset: {y: 200}}});
// fireOnMomentumScrollEnd(flatList, {y: 200});

// expect(item_0).toHaveAnimatedStyle(inactiveStyle);
// expect(item_4).toHaveAnimatedStyle(activeStyle);
Expand Down