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react.html
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react.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>React Demo</title>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/mocha/4.0.1/mocha.css">
<style media="screen">
.messsageBox {
border: 1px solid;
margin: 1em;
padding: 2em;
}
.error {
border-color: red;
background-color: #eebbbb;
}
.success {
border-color: blue;
background-color: #bbbbee;
}
.hidden {
display: none;
}
</style>
</head>
<body>
<main id ="content"></main>
<div id="mocha"></div>
<script src="https://unpkg.com/babel-standalone"></script>
<script type="text/javascript" src="https://unpkg.com/react@16.0.0/umd/react.production.min.js"></script>
<script type="text/javascript" src="https://unpkg.com/react-dom@16.0.0/umd/react-dom.production.min.js"></script>
<script type="text/javascript" src="http://chaijs.com/chai.js"></script>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/mocha/4.0.1/mocha.js"></script>
<script type="text/babel" data-presets="react">
class NameInput extends React.Component {
constructor(props) {
super(props);
this.state={
message: {
type: undefined,
body: undefined
}
}
this.buttonClicked = this.buttonClicked.bind(this);
}
buttonClicked(evt) {
let name = this.refs.nameInput.value;
this.setState({
message: {
type: name ? "success" : "error",
body: name ? "Welcome to react, " + name : "You must enter a name"
}
})
}
render() {
let msg = this.state.message;
return (
<div>
<label>Name: <input ref="nameInput" type="text" /></label>
<button id="inputButton" onClick={this.buttonClicked}>Click me!</button>
<MessageBox type={msg.type} message={msg.body}/>
</div>
)
}
}
class MessageBox extends React.Component {
render() {
return (
<div className={"messageBox " + (this.props.type || "hidden")}>
{this.props.message}
</div>
)
}
}
ReactDOM.render(<NameInput />, document.getElementById('content'));
</script>
<script type="text/babel" data-presets="react">
const assert = chai.assert;
mocha.ui("bdd");
mocha.reporter("html");
describe("Example Tests", () => {
it("Proved that math works", () => {
assert.equal(5, 3+2, "Math Works!");
assert.notEqual(3+2, 6, "Math still works!");
assert.closeTo(Math.PI, 3, .2, "PI is close to 3.");
});
it("Found our component", () => {
assert.isDefined(MessageBox, "Our MessageBox component is defined");
});
it("Let us test a function", () => {
let myName = "Bryan";
const greet = (name) => "Hello, " + name + "!";
assert.include(greet(myName), myName, "Greeting includes name.");
});
});
describe("Document tests", () => {
it("Rendered an empty messageBox", () => {
let msgBox = document.querySelector(".messageBox");
assert.isDefined(msgBox, "Message box is in the document.");
assert.include(msgBox.classList.value, "hidden", "Message box is hidden");
assert.equal(msgBox.innerText, "", "Message box is empty.")
});
it("Rendered an error when name is empty", () => {
let msgBox = document.querySelector(".messageBox");
let button = document.querySelector("#inputButton");
button.click()
assert.include(msgBox.classList.value, "error", "Message box type is error");
})
})
mocha.run();
</script>
</body>
</html>