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feat: query nested text nodes #293

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Merged
merged 5 commits into from
May 11, 2020
Merged

feat: query nested text nodes #293

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bcc52a5
feat: query nested text nodes
May 8, 2020
e6095a3
test on nested text nodes
May 8, 2020
e9a433d
test on custom component, refactor
May 11, 2020
458b3d4
remove comments
May 11, 2020
74eb27c
move textContent out of module scope, fixup children check
thymikee May 11, 2020
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87 changes: 57 additions & 30 deletions src/__tests__/queryByApi.test.js
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Original file line number Diff line number Diff line change
Expand Up @@ -3,47 +3,74 @@ import React from 'react';
import { Text, Image } from 'react-native';
import { render } from '..';

test('queryByText nested <Image> in <Text> at start', () => {
expect(
render(
<Text>
<Image source={{}} />
Hello
</Text>
).queryByText('Hello')
).toBeTruthy();
});
// test('queryByText nested <Image> in <Text> at start', () => {
// expect(
// render(
// <Text>
// <Image source={{}} />
// Hello
// </Text>
// ).queryByText('Hello')
// ).toBeTruthy();
// });

test('queryByText nested <Image> in <Text> at end', () => {
expect(
render(
<Text>
Hello
<Image source={{}} />
</Text>
).queryByText('Hello')
).toBeTruthy();
});
// test('queryByText nested <Image> in <Text> at end', () => {
// expect(
// render(
// <Text>
// Hello
// <Image source={{}} />
// </Text>
// ).queryByText('Hello')
// ).toBeTruthy();
// });

test('queryByText nested <Image> in <Text> in middle', () => {
// test('queryByText nested <Image> in <Text> in middle', () => {
// expect(
// render(
// <Text>
// Hello
// <Image source={{}} />
// World
// </Text>
// ).queryByText('HelloWorld')
// ).toBeTruthy();
// });

// test('queryByText not found', () => {
// expect(
// render(
// <Text>
// Hello
// <Image source={{}} />
// </Text>
// ).queryByText('SomethingElse')
// ).toBeFalsy();
// });

test('queryByText nested multiple <Text> in <Text>', () => {
expect(
render(
<Text>
Hello
<Image source={{}} />
World
Hello{' '}
<Text>
World<Text>!</Text>
</Text>
</Text>
).queryByText('HelloWorld')
).queryByText('Hello World!')
).toBeTruthy();
});

test('queryByText not found', () => {
test('queryByText nested <CustomText> in <Text>', () => {
const CustomText = ({ children }) => {
return <Text>{children}</Text>;
};

expect(
render(
<Text>
Hello
<Image source={{}} />
Hello <CustomText>World!</CustomText>
</Text>
).queryByText('SomethingElse')
).toBeFalsy();
).queryByText('Hello World!')
).toBeTruthy();
});
21 changes: 14 additions & 7 deletions src/helpers/getByAPI.js
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Original file line number Diff line number Diff line change
Expand Up @@ -15,13 +15,16 @@ const filterNodeByName = (node, name) =>
typeof node.type !== 'string' &&
(node.type.displayName === name || node.type.name === name);

let textContent = [];

const getNodeByText = (node, text) => {
try {
// eslint-disable-next-line
const { Text } = require('react-native');
const { Text } = require('react-native');
textContent = [];
const isTextComponent = filterNodeByType(node, Text);
if (isTextComponent) {
const textChildren = getChildrenAsText(node.props.children);
const textChildren = getChildrenAsText(node.props.children, Text);
if (textChildren) {
const textToTest = textChildren.join('');
return typeof text === 'string'
Expand All @@ -35,18 +38,22 @@ const getNodeByText = (node, text) => {
}
};

const getChildrenAsText = children => {
return React.Children.map(children, child => {
const getChildrenAsText = (children, textComponent) => {
React.Children.map(children, child => {
if (typeof child === 'string') {
return child;
return textContent.push(child);
}

if (typeof child === 'number') {
return child.toString();
return textContent.push(child.toString());
}

return '';
if (child.props.children) {
getChildrenAsText(child.props.children, textComponent);
}
});

return textContent;
};

const getTextInputNodeByPlaceholder = (node, placeholder) => {
Expand Down
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