serverless_practice/react.html at master · chrisdodds/serverless_practice · GitHub

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<html>

<head>
    <meta charset="utf-8">
    <title>React Demo</title>
    <link rel="stylesheet" href="https://unpkg.com/mocha@3.4.2/mocha.css">
    <style media="screen">
        .messageBox {
            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@15.3.1/dist/react.min.js"></script>
        <script type="text/javascript" src="https://unpkg.com/react-dom@15.3.1/dist/react-dom.min.js"></script>
        <script type="text/javascript" src="https://unpkg.com/chai@3.5.0/chai.js"></script>
        <script type="text/javascript" src="https://unpkg.com/mocha@3.4.2/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 : "Enter a name, please"
                        }
                    });

                }
                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("found our component", () => {
                    let MessageBox = document.querySelector(".messageBox");
                    assert.isDefined(MessageBox, "Our MessageBox component is defined.");
                });

                it("Tests a function", () => {
                    let myName = "Chris";
                    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 there.");
                    assert.include(msgBox.classList.value, "hidden", "default 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>