must-jsx Add JSX assertions to Must.js. Install npm install must-jsx Usage Note: If you're using react@0.14 please use version 2.0.0 or less. import must from "must"import mustJSX from "must-jsx" mustJSX(must) ... // Test componentclass Garry extends Component { render() { return <div>Garry will {this.props.will}</div> }} describe("Component", function() { it("must render correctly", function() { const el = <div>Garry will be avenged!</div> // React shallow renderer render(<Garry will="be avenged!" />).must.be.jsx(el) })})