/
index.js
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/
index.js
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/*globals describe,it,beforeEach */
"use strict";
var expect = require('chai').expect;
var React = require('react');
var PropTypes = require('prop-types');
var createReactClass = require('create-react-class');
var hoistNonReactStatics = require('../..');
describe('hoist-non-react-statics', function () {
it('should hoist non react statics', function () {
var Component = createReactClass({
displayName: 'Foo',
statics: {
foo: 'bar'
},
propTypes: {
on: PropTypes.bool.isRequired
},
render: function () {
return null;
}
});
var Wrapper = createReactClass({
displayName: 'Bar',
render: function () {
return <Component />;
}
});
hoistNonReactStatics(Wrapper, Component);
expect(Wrapper.displayName).to.equal('Bar');
expect(Wrapper.foo).to.equal('bar');
});
it('should not hoist custom statics', function () {
var Component = createReactClass({
displayName: 'Foo',
statics: {
foo: 'bar'
},
render: function () {
return null;
}
});
var Wrapper = createReactClass({
displayName: 'Bar',
render: function () {
return <Component />;
}
});
hoistNonReactStatics(Wrapper, Component, {foo: true});
expect(Wrapper.foo).to.be.undefined;
});
it('should not hoist statics from strings', function() {
var Component = 'input';
var Wrapper = createReactClass({
render: function() {
return <Component />;
}
});
hoistNonReactStatics(Wrapper, Component);
expect(Wrapper[0]).to.equal(undefined); // if hoisting it would equal 'i'
});
it('should hoist symbols', function() {
var foo = Symbol('foo');
var Component = createReactClass({
render: function() {
return null;
}
});
// Manually set static property using Symbol
// since createReactClass doesn't handle symbols passed to static
Component[foo] = 'bar';
var Wrapper = createReactClass({
render: function() {
return <Component />;
}
});
hoistNonReactStatics(Wrapper, Component);
expect(Wrapper[foo]).to.equal('bar');
});
it('should hoist class statics', function() {
class Component extends React.Component {
static foo = 'bar';
static test() {
}
}
var Wrapper = createReactClass({
render: function() {
return <Component />;
}
});
hoistNonReactStatics(Wrapper, Component);
expect(Wrapper.foo).to.equal(Component.foo);
expect(Wrapper.test).to.equal(Component.test);
});
it('should hoist properties with accessor methods', function() {
var Component = createReactClass({
render: function() {
return null;
}
});
// Manually set static complex property
// since createReactClass doesn't handle properties passed to static
var counter = 0;
Object.defineProperty(Component, 'foo', {
enumerable: true,
configurable: true,
get: function() {
return counter++;
}
});
var Wrapper = createReactClass({
render: function() {
return <Component />;
}
});
hoistNonReactStatics(Wrapper, Component);
// Each access of Wrapper.foo should increment counter.
expect(Wrapper.foo).to.equal(0);
expect(Wrapper.foo).to.equal(1);
expect(Wrapper.foo).to.equal(2);
});
it('should inherit static class properties', () => {
class A extends React.Component {
static test3 = 'A';
static test4 = 'D';
test5 = 'foo';
}
class B extends A {
static test2 = 'B';
static test4 = 'DD';
}
class C {
static test1 = 'C';
}
const D = hoistNonReactStatics(C, B);
expect(D.test1).to.equal('C');
expect(D.test2).to.equal('B');
expect(D.test3).to.equal('A');
expect(D.test4).to.equal('DD');
expect(D.test5).to.equal(undefined);
});
it('should inherit static class methods', () => {
class A extends React.Component {
static test3 = 'A';
static test4 = 'D';
static getMeta() { return {}; };
test5 = 'foo';
}
class B extends A {
static test2 = 'B';
static test4 = 'DD';
static getMeta2() { return {}; };
}
class C {
static test1 = 'C';
}
const D = hoistNonReactStatics(C, B);
expect(D.test1).to.equal('C');
expect(D.test2).to.equal('B');
expect(D.test3).to.equal('A');
expect(D.test4).to.equal('DD');
expect(D.test5).to.equal(undefined);
expect(D.getMeta).to.be.a('function');
expect(D.getMeta2).to.be.a('function');
expect(D.getMeta()).to.deep.equal({});
});
it('should not inherit ForwardRef render', () => {
class FancyButton extends React.Component {
}
function logProps(Component) {
class LogProps extends React.Component {
static foo = 'foo';
static render = 'bar';
render() {
const {forwardedRef, ...rest} = this.props;
return <Component ref={forwardedRef} {...rest} foo='foo' bar='bar' />;
}
}
const ForwardedComponent = React.forwardRef((props, ref) => {
return <LogProps {...props} forwardedRef={ref} />;
});
hoistNonReactStatics(ForwardedComponent, LogProps);
return ForwardedComponent;
}
const WrappedFancyButton = logProps(FancyButton);
expect(WrappedFancyButton.foo).to.equal('foo');
expect(WrappedFancyButton.render).to.not.equal('bar');
});
it('should not mix defaultProps, displayName and propTypes in forwardRef', () => {
const Component = React.forwardRef((props, ref) => null);
Component.defaultProps = {
message: 'forwarded'
}
Component.displayName = 'BaseComponent';
Component.propTypes = {
id: () => new Error()
}
Component.foo = 'foo';
const EnhancedComponent = React.forwardRef(({id, ...props}, ref) => <Component {...props} ref={ref} />);
EnhancedComponent.defaultProps = {
id: 'stop-me'
}
EnhancedComponent.displayName = `Enhanced(${Component.displayName})`;
EnhancedComponent.propTypes = {
innerRef: () => 'deprecated'
}
hoistNonReactStatics(EnhancedComponent, Component);
expect(EnhancedComponent.foo).to.equal('foo');
expect(EnhancedComponent.displayName).to.equal('Enhanced(BaseComponent)');
expect(EnhancedComponent.defaultProps.id).to.equal('stop-me');
expect(EnhancedComponent.propTypes.innerRef()).to.equal('deprecated');
})
});