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assert.js
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assert.js
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import React, {Component} from 'react';
import {
AppRegistry,
StyleSheet,
Text,
View,
Platform,
ScrollView,
Image,
} from 'react-native';
export default class Assert extends Component {
props : {
expect : any,
actual : any,
desc : any,
compaer : () => bool
};
constructor(props) {
super(props)
}
render() {
return (
<View style={{
padding : 16,
borderLeftWidth : 5,
marginTop : 4,
backgroundColor : 'white',
borderColor : this.getAssertion() ? '#00a825' : '#ff0d0d'
}}>
<Text style={{
color : this.getAssertion() ? '#00a825' : '#ff0d0d',
margin : 8,
marginTop : 0,
marginLeft : 0
}}>{ this.getAssertion() ? '✅' : '×' } {this.props.desc}</Text>
<Text style={{flex : 1, flexDirection : 'row'}}>
<Text style={{ color : '#AAA'}}>expect </Text>
<Text style={{flex : 1}}>{String(this.props.expect)}</Text>
</Text>
<Text style={{flex : 1, flexDirection : 'row'}}>
<Text style={{color : '#AAA'}}>actual </Text>
<Text style={{flex : 1}}>{String(this.props.actual)}</Text>
</Text>
{this.props.comparer ? <Text style={{flex : 1, flexDirection : 'row'}}>
<Text style={{color : '#AAA'}}>comparer = </Text>
<Text style={{flex : 1}}>
{ String(this.props.comparer) }
</Text>
</Text> : null}
</View>
)
}
getAssertion() {
if(this.props.comparer)
return this.props.comparer(this.props.expect, this.props.actual)
else
return this.props.expect === this.props.actual
}
}