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| 'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
// istanbul ignore next
var _createClass = (function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; Eif ('value' in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { Eif (protoProps) defineProperties(Constructor.prototype, protoProps); Iif (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();
// istanbul ignore next
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { 'default': obj }; }
// istanbul ignore next
function _classCallCheck(instance, Constructor) { Iif (!(instance instanceof Constructor)) { throw new TypeError('Cannot call a class as a function'); } }
var _react = require('react');
var _react2 = _interopRequireDefault(_react);
var _underscore = require('underscore');
var _ReactWrapperComponent = require('./ReactWrapperComponent');
var _ReactWrapperComponent2 = _interopRequireDefault(_ReactWrapperComponent);
var _MountedTraversal = require('./MountedTraversal');
var _reactCompat = require('./react-compat');
/**
* Finds all nodes in the current wrapper nodes' render trees that match the provided predicate
* function.
*
* @param {ReactWrapper} wrapper
* @param {Function} predicate
* @returns {ReactWrapper}
*/
function findWhereUnwrapped(wrapper, predicate) {
return wrapper.flatMap(function (n) {
return (0, _MountedTraversal.treeFilter)(n.node, predicate);
});
}
/**
* Returns a new wrapper instance with only the nodes of the current wrapper instance that match
* the provided predicate function.
*
* @param {ReactWrapper} wrapper
* @param {Function} predicate
* @returns {ReactWrapper}
*/
function filterWhereUnwrapped(wrapper, predicate) {
return wrapper.wrap((0, _underscore.compact)(wrapper.nodes.filter(predicate)));
}
/**
* @class ReactWrapper
*/
var ReactWrapper = (function () {
function ReactWrapper(nodes, root) {
_classCallCheck(this, ReactWrapper);
Iif (!global.window && !global.document) {
throw new Error('It looks like you called `mount()` without a jsdom document being loaded. ' + 'Make sure to only use `mount()` inside of a `describeWithDOM(...)` call. ');
}
if (!root) {
this.component = (0, _reactCompat.renderIntoDocument)(_react2['default'].createElement(_ReactWrapperComponent2['default'], {
Component: nodes.type,
props: nodes.props
}));
this.root = this;
this.node = this.component.refs.component;
this.nodes = [this.node];
this.length = 1;
} else {
this.component = null;
this.root = root;
if (!Array.isArray(nodes)) {
this.node = nodes;
this.nodes = [nodes];
} else {
this.node = nodes[0];
this.nodes = nodes;
}
this.length = this.nodes.length;
}
}
/**
* If the root component contained a ref, you can access it here
* and get a wrapper around it.
*
* NOTE: can only be called on a wrapper instance that is also the root instance.
*
* @param {String} refname
* @returns {ReactWrapper}
*/
_createClass(ReactWrapper, [{
key: 'ref',
value: function ref(refname) {
if (this.root !== this) {
throw new Error('ReactWrapper::ref(refname) can only be called on the root');
}
return this.wrap(this.instance().refs[refname]);
}
/**
* Gets the instance of the component being rendered as the root node passed into `mount()`.
*
* NOTE: can only be called on a wrapper instance that is also the root instance.
*
* Example:
* ```
* const wrapper = mount(<MyComponent />);
* const inst = wrapper.instance();
* expect(inst).to.be.instanceOf(MyComponent);
* ```
* @returns {ReactComponent}
*/
}, {
key: 'instance',
value: function instance() {
return this.component.refs.component;
}
/**
* Forces a re-render. Useful to run before checking the render output if something external
* may be updating the state of the component somewhere.
*
* NOTE: can only be called on a wrapper instance that is also the root instance.
*
* @returns {ReactWrapper}
*/
}, {
key: 'update',
value: function update() {
// istanbul ignore next
var _this = this;
if (this.root !== this) {
// TODO(lmr): this requirement may not be necessary for the ReactWrapper
throw new Error('ReactWrapper::update() can only be called on the root');
}
this.single(function () {
_this.component.forceUpdate();
});
return this;
}
/**
* A method that sets the props of the root component, and re-renders. Useful for when you are
* wanting to test how the component behaves over time with changing props. Calling this, for
* instance, will call the `componentWillReceiveProps` lifecycle method.
*
* Similar to `setState`, this method accepts a props object and will merge it in with the already
* existing props.
*
* NOTE: can only be called on a wrapper instance that is also the root instance.
*
* @param {Object} props object
* @returns {ReactWrapper}
*/
}, {
key: 'setProps',
value: function setProps(props) {
Iif (this.root !== this) {
throw new Error('ReactWrapper::setProps() can only be called on the root');
}
this.component.setProps(props);
return this;
}
/**
* A method to invoke `setState` on the root component instance similar to how you might in the
* definition of the component, and re-renders. This method is useful for testing your component
* in hard to achieve states, however should be used sparingly. If possible, you should utilize
* your component's external API in order to get it into whatever state you want to test, in order
* to be as accurate of a test as possible. This is not always practical, however.
*
* NOTE: can only be called on a wrapper instance that is also the root instance.
*
* @param {Object} state to merge
* @returns {ReactWrapper}
*/
}, {
key: 'setState',
value: function setState(state) {
Iif (this.root !== this) {
throw new Error('ReactWrapper::setState() can only be called on the root');
}
this.instance().setState(state);
return this;
}
/**
* Whether or not a given react element exists in the mount render tree.
*
* Example:
* ```
* const wrapper = mount(<MyComponent />);
* expect(wrapper.contains(<div className="foo bar" />)).to.be.true;
* ```
*
* @param {ReactElement} node
* @returns {Boolean}
*/
}, {
key: 'contains',
value: function contains(node) {
return findWhereUnwrapped(this, function (other) {
return (0, _MountedTraversal.instEqual)(node, other);
}).length > 0;
}
/**
* Finds every node in the render tree of the current wrapper that matches the provided selector.
*
* @param {String|Function} selector
* @returns {ReactWrapper}
*/
}, {
key: 'find',
value: function find(selector) {
var predicate = (0, _MountedTraversal.buildInstPredicate)(selector);
return findWhereUnwrapped(this, predicate);
}
/**
* Returns whether or not current node matches a provided selector.
*
* NOTE: can only be called on a wrapper of a single node.
*
* @param {String|Function} selector
* @returns {boolean}
*/
}, {
key: 'is',
value: function is(selector) {
var predicate = (0, _MountedTraversal.buildInstPredicate)(selector);
return this.single(function (n) {
return predicate(n);
});
}
/**
* Returns a new wrapper instance with only the nodes of the current wrapper instance that match
* the provided predicate function.
*
* @param {Function} predicate
* @returns {ReactWrapper}
*/
}, {
key: 'filterWhere',
value: function filterWhere(predicate) {
// istanbul ignore next
var _this2 = this;
return filterWhereUnwrapped(this, function (n) {
return predicate(_this2.wrap(n));
});
}
/**
* Returns a new wrapper instance with only the nodes of the current wrapper instance that match
* the provided selector.
*
* @param {String|Function} selector
* @returns {ReactWrapper}
*/
}, {
key: 'filter',
value: function filter(selector) {
var predicate = (0, _MountedTraversal.buildInstPredicate)(selector);
return filterWhereUnwrapped(this, predicate);
}
/**
* Returns a new wrapper instance with only the nodes of the current wrapper that did not match
* the provided selector. Essentially the inverse of `filter`.
*
* @param {String|Function} selector
* @returns {ReactWrapper}
*/
}, {
key: 'not',
value: function not(selector) {
var predicate = (0, _MountedTraversal.buildInstPredicate)(selector);
return filterWhereUnwrapped(this, function (n) {
return !predicate(n);
});
}
/**
* Returns a string of the rendered text of the current render tree. This function should be
* looked at with skepticism if being used to test what the actual HTML output of the component
* will be. If that is what you would like to test, use enzyme's `render` function instead.
*
* NOTE: can only be called on a wrapper of a single node.
*
* @returns {String}
*/
}, {
key: 'text',
value: function text() {
return this.single(function (n) {
return (0, _reactCompat.findDOMNode)(n).textContent;
});
}
/**
* Used to simulate events. Pass an eventname and (optionally) event arguments. This method of
* testing events should be met with some skepticism.
*
* @param {String} event
* @param {Array} args
* @returns {ReactWrapper}
*/
}, {
key: 'simulate',
value: function simulate(event) {
for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
args[_key - 1] = arguments[_key];
}
this.single(function (n) {
return _reactCompat.Simulate[event].apply(_reactCompat.Simulate, [(0, _reactCompat.findDOMNode)(n)].concat(args));
});
return this;
}
/**
* Returns the props hash for the root node of the wrapper.
*
* NOTE: can only be called on a wrapper of a single node.
*
* @returns {Object}
*/
}, {
key: 'props',
value: function props() {
return this.single(function (n) {
return (0, _MountedTraversal.getNode)(n).props || {};
});
}
/**
* Returns the state hash for the root node of the wrapper. Optionally pass in a prop name and it
* will return just that value.
*
* NOTE: can only be called on a wrapper of a single node.
*
* @param {String} name (optional)
* @returns {*}
*/
}, {
key: 'state',
value: function state(name) {
// istanbul ignore next
var _this3 = this;
Iif (this.root !== this) {
throw new Error('ReactWrapper::state() can only be called on the root');
}
var _state = this.single(function () {
return _this3.instance().state;
});
if (name !== undefined) {
return _state[name];
}
return _state;
}
/**
* Returns a new wrapper with all of the children of the current wrapper.
*
* @param {String|Function} [selector]
* @returns {ReactWrapper}
*/
}, {
key: 'children',
value: function children(selector) {
var allChildren = this.flatMap(function (n) {
return (0, _MountedTraversal.childrenOfInst)(n.node);
});
return selector ? allChildren.filter(selector) : allChildren;
}
/**
* Returns a wrapper around all of the parents/ancestors of the wrapper. Does not include the node
* in the current wrapper.
*
* NOTE: can only be called on a wrapper of a single node.
*
* @param {String|Function} [selector]
* @returns {ReactWrapper}
*/
}, {
key: 'parents',
value: function parents(selector) {
// istanbul ignore next
var _this4 = this;
var allParents = this.wrap(this.single(function (n) {
return (0, _MountedTraversal.parentsOfInst)(n, _this4.root.node);
}));
return selector ? allParents.filter(selector) : allParents;
}
/**
* Returns a wrapper around the immediate parent of the current node.
*
* @returns {ReactWrapper}
*/
}, {
key: 'parent',
value: function parent() {
return this.flatMap(function (n) {
return [n.parents().get(0)];
});
}
/**
*
* @param {String|Function} selector
* @returns {ReactWrapper}
*/
}, {
key: 'closest',
value: function closest(selector) {
return this.is(selector) ? this : this.parents().filter(selector).first();
}
/**
* Returns the value of prop with the given name of the root node.
*
* @param {String} propName
* @returns {*}
*/
}, {
key: 'prop',
value: function prop(propName) {
return this.props()[propName];
}
/**
* Returns the type of the root ndoe of this wrapper. If it's a composite component, this will be
* the component constructor. If it's native DOM node, it will be a string.
*
* @returns {String|Function}
*/
}, {
key: 'type',
value: function type() {
return this.single(function (n) {
return (0, _MountedTraversal.getNode)(n).type;
});
}
/**
* Returns whether or not the current root node has the given class name or not.
*
* NOTE: can only be called on a wrapper of a single node.
*
* @param {String} className
* @returns {Boolean}
*/
}, {
key: 'hasClass',
value: function hasClass(className) {
Iif (className && className.indexOf('.') !== -1) {
console.log('It looks like you\'re calling `ReactWrapper::hasClass()` with a CSS selector. ' + 'hasClass() expects a class name, not a CSS selector.');
}
return this.single(function (n) {
return (0, _MountedTraversal.instHasClassName)(n, className);
});
}
/**
* Iterates through each node of the current wrapper and executes the provided function with a
* wrapper around the corresponding node passed in as the first argument.
*
* @param {Function} fn
* @returns {ReactWrapper}
*/
}, {
key: 'forEach',
value: function forEach(fn) {
// istanbul ignore next
var _this5 = this;
this.nodes.forEach(function (n, i) {
return fn.call(_this5, _this5.wrap(n), i);
});
return this;
}
/**
* Maps the current array of nodes to another array. Each node is passed in as a `ReactWrapper`
* to the map function.
*
* @param {Function} fn
* @returns {Array}
*/
}, {
key: 'map',
value: function map(fn) {
// istanbul ignore next
var _this6 = this;
return this.nodes.map(function (n, i) {
return fn.call(_this6, _this6.wrap(n), i);
});
}
/**
* Reduces the current array of nodes to another array. Each node is passed in as a `ShallowWrapper`
* to the reducer function.
*
* @param {Function} fn - the reducer function
* @param {*} initialValue - the initial value
* @returns {*}
*/
}, {
key: 'reduce',
value: function reduce(fn, initialValue) {
// istanbul ignore next
var _this7 = this;
return this.nodes.reduce(function (accum, n, i) {
return fn.call(_this7, accum, _this7.wrap(n), i);
}, initialValue);
}
/**
* Reduces the current array of nodes to another array, from right to left. Each node is passed
* in as a `ShallowWrapper` to the reducer function.
*
* @param {Function} fn - the reducer function
* @param {*} initialValue - the initial value
* @returns {*}
*/
}, {
key: 'reduceRight',
value: function reduceRight(fn, initialValue) {
// istanbul ignore next
var _this8 = this;
return this.nodes.reduceRight(function (accum, n, i) {
return fn.call(_this8, accum, _this8.wrap(n), i);
}, initialValue);
}
/**
* Returns whether or not any of the nodes in the wrapper match the provided selector.
*
* @param {Function|String} selector
* @returns {Boolean}
*/
}, {
key: 'some',
value: function some(selector) {
var predicate = (0, _MountedTraversal.buildInstPredicate)(selector);
return this.nodes.some(predicate);
}
/**
* Returns whether or not any of the nodes in the wrapper pass the provided predicate function.
*
* @param {Function} predicate
* @returns {Boolean}
*/
}, {
key: 'someWhere',
value: function someWhere(predicate) {
// istanbul ignore next
var _this9 = this;
return this.nodes.some(function (n, i) {
return predicate.call(_this9, _this9.wrap(n), i);
});
}
/**
* Returns whether or not all of the nodes in the wrapper match the provided selector.
*
* @param {Function|String} selector
* @returns {Boolean}
*/
}, {
key: 'every',
value: function every(selector) {
var predicate = (0, _MountedTraversal.buildInstPredicate)(selector);
return this.nodes.every(predicate);
}
/**
* Returns whether or not any of the nodes in the wrapper pass the provided predicate function.
*
* @param {Function} predicate
* @returns {Boolean}
*/
}, {
key: 'everyWhere',
value: function everyWhere(predicate) {
// istanbul ignore next
var _this10 = this;
return this.nodes.every(function (n, i) {
return predicate.call(_this10, _this10.wrap(n), i);
});
}
/**
* Utility method used to create new wrappers with a mapping function that returns an array of
* nodes in response to a single node wrapper. The returned wrapper is a single wrapper around
* all of the mapped nodes flattened (and de-duplicated).
*
* @param {Function} fn
* @returns {ReactWrapper}
*/
}, {
key: 'flatMap',
value: function flatMap(fn) {
// istanbul ignore next
var _this11 = this;
var nodes = this.nodes.map(function (n, i) {
return fn.call(_this11, _this11.wrap(n), i);
});
var flattened = (0, _underscore.flatten)(nodes, true);
var uniques = (0, _underscore.unique)(flattened);
return this.wrap(uniques);
}
/**
* Finds all nodes in the current wrapper nodes' render trees that match the provided predicate
* function.
*
* @param {Function} predicate
* @returns {ReactWrapper}
*/
}, {
key: 'findWhere',
value: function findWhere(predicate) {
// istanbul ignore next
var _this12 = this;
return findWhereUnwrapped(this, function (n) {
return predicate(_this12.wrap(n));
});
}
/**
* Returns the node at a given index of the current wrapper.
*
* @param {Number} index
* @returns {ReactElement}
*/
}, {
key: 'get',
value: function get(index) {
return this.nodes[index];
}
/**
* Returns a wrapper around the node at a given index of the current wrapper.
*
* @param {Number} index
* @returns {ReactWrapper}
*/
}, {
key: 'at',
value: function at(index) {
return this.wrap(this.nodes[index]);
}
/**
* Returns a wrapper around the first node of the current wrapper.
*
* @returns {ReactWrapper}
*/
}, {
key: 'first',
value: function first() {
return this.at(0);
}
/**
* Returns a wrapper around the last node of the current wrapper.
*
* @returns {ReactWrapper}
*/
}, {
key: 'last',
value: function last() {
return this.at(this.length - 1);
}
/**
* Returns true if the current wrapper has no nodes. False otherwise.
*
* @returns {boolean}
*/
}, {
key: 'isEmpty',
value: function isEmpty() {
return this.length === 0;
}
/**
* Utility method that throws an error if the current instance has a length other than one.
* This is primarily used to enforce that certain methods are only run on a wrapper when it is
* wrapping a single node.
*
* @param {Function} fn
* @returns {*}
*/
}, {
key: 'single',
value: function single(fn) {
Iif (this.length !== 1) {
throw new Error('This method is only meant to be run on single node. ' + this.length + ' found instead.');
}
return fn.call(this, this.node);
}
/**
* Helpful utility method to create a new wrapper with the same root as the current wrapper, with
* any nodes passed in as the first parameter automatically wrapped.
*
* @param {ReactWrapper|ReactElement|Array<ReactElement>} node
* @returns {ReactWrapper}
*/
}, {
key: 'wrap',
value: function wrap(node) {
Iif (node instanceof ReactWrapper) {
return node;
}
return new ReactWrapper(node, this.root);
}
}]);
return ReactWrapper;
})();
exports['default'] = ReactWrapper;
module.exports = exports['default'];
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React from 'react';\nimport { flatten, unique, compact } from 'underscore';\nimport ReactWrapperComponent from './ReactWrapperComponent';\nimport {\n  instHasClassName,\n  childrenOfInst,\n  parentsOfInst,\n  buildInstPredicate,\n  instEqual,\n  treeFilter,\n  getNode,\n} from './MountedTraversal';\nimport {\n  renderIntoDocument,\n  Simulate,\n  findDOMNode,\n} from './react-compat';\n\n/**\n * Finds all nodes in the current wrapper nodes' render trees that match the provided predicate\n * function.\n *\n * @param {ReactWrapper} wrapper\n * @param {Function} predicate\n * @returns {ReactWrapper}\n */\nfunction findWhereUnwrapped(wrapper, predicate) {\n  return wrapper.flatMap(n => treeFilter(n.node, predicate));\n}\n\n/**\n * Returns a new wrapper instance with only the nodes of the current wrapper instance that match\n * the provided predicate function.\n *\n * @param {ReactWrapper} wrapper\n * @param {Function} predicate\n * @returns {ReactWrapper}\n */\nfunction filterWhereUnwrapped(wrapper, predicate) {\n  return wrapper.wrap(compact(wrapper.nodes.filter(predicate)));\n}\n\n/**\n * @class ReactWrapper\n */\nexport default class ReactWrapper {\n\n  constructor(nodes, root) {\n    if (!global.window && !global.document) {\n      throw new Error(\n        `It looks like you called \\`mount()\\` without a jsdom document being loaded. ` +\n        `Make sure to only use \\`mount()\\` inside of a \\`describeWithDOM(...)\\` call. `\n      );\n    }\n\n    if (!root) {\n      this.component = renderIntoDocument(\n        <ReactWrapperComponent\n          Component={nodes.type}\n          props={nodes.props}\n          />\n      );\n      this.root = this;\n      this.node = this.component.refs.component;\n      this.nodes = [this.node];\n      this.length = 1;\n    } else {\n      this.component = null;\n      this.root = root;\n      if (!Array.isArray(nodes)) {\n        this.node = nodes;\n        this.nodes = [nodes];\n      } else {\n        this.node = nodes[0];\n        this.nodes = nodes;\n      }\n      this.length = this.nodes.length;\n    }\n  }\n\n  /**\n   * If the root component contained a ref, you can access it here\n   * and get a wrapper around it.\n   *\n   * NOTE: can only be called on a wrapper instance that is also the root instance.\n   *\n   * @param {String} refname\n   * @returns {ReactWrapper}\n   */\n  ref(refname) {\n    if (this.root !== this) {\n      throw new Error('ReactWrapper::ref(refname) can only be called on the root');\n    }\n    return this.wrap(this.instance().refs[refname]);\n  }\n\n  /**\n   * Gets the instance of the component being rendered as the root node passed into `mount()`.\n   *\n   * NOTE: can only be called on a wrapper instance that is also the root instance.\n   *\n   * Example:\n   * ```\n   * const wrapper = mount(<MyComponent />);\n   * const inst = wrapper.instance();\n   * expect(inst).to.be.instanceOf(MyComponent);\n   * ```\n   * @returns {ReactComponent}\n   */\n  instance() {\n    return this.component.refs.component;\n  }\n\n  /**\n   * Forces a re-render. Useful to run before checking the render output if something external\n   * may be updating the state of the component somewhere.\n   *\n   * NOTE: can only be called on a wrapper instance that is also the root instance.\n   *\n   * @returns {ReactWrapper}\n   */\n  update() {\n    if (this.root !== this) {\n      // TODO(lmr): this requirement may not be necessary for the ReactWrapper\n      throw new Error('ReactWrapper::update() can only be called on the root');\n    }\n    this.single(() => {\n      this.component.forceUpdate();\n    });\n    return this;\n  }\n\n  /**\n   * A method that sets the props of the root component, and re-renders. Useful for when you are\n   * wanting to test how the component behaves over time with changing props. Calling this, for\n   * instance, will call the `componentWillReceiveProps` lifecycle method.\n   *\n   * Similar to `setState`, this method accepts a props object and will merge it in with the already\n   * existing props.\n   *\n   * NOTE: can only be called on a wrapper instance that is also the root instance.\n   *\n   * @param {Object} props object\n   * @returns {ReactWrapper}\n   */\n  setProps(props) {\n    if (this.root !== this) {\n      throw new Error('ReactWrapper::setProps() can only be called on the root');\n    }\n    this.component.setProps(props);\n    return this;\n  }\n\n  /**\n   * A method to invoke `setState` on the root component instance similar to how you might in the\n   * definition of the component, and re-renders.  This method is useful for testing your component\n   * in hard to achieve states, however should be used sparingly. If possible, you should utilize\n   * your component's external API in order to get it into whatever state you want to test, in order\n   * to be as accurate of a test as possible. This is not always practical, however.\n   *\n   * NOTE: can only be called on a wrapper instance that is also the root instance.\n   *\n   * @param {Object} state to merge\n   * @returns {ReactWrapper}\n   */\n  setState(state) {\n    if (this.root !== this) {\n      throw new Error('ReactWrapper::setState() can only be called on the root');\n    }\n    this.instance().setState(state);\n    return this;\n  }\n\n  /**\n   * Whether or not a given react element exists in the mount render tree.\n   *\n   * Example:\n   * ```\n   * const wrapper = mount(<MyComponent />);\n   * expect(wrapper.contains(<div className=\"foo bar\" />)).to.be.true;\n   * ```\n   *\n   * @param {ReactElement} node\n   * @returns {Boolean}\n   */\n  contains(node) {\n    return findWhereUnwrapped(this, other => instEqual(node, other)).length > 0;\n  }\n\n  /**\n   * Finds every node in the render tree of the current wrapper that matches the provided selector.\n   *\n   * @param {String|Function} selector\n   * @returns {ReactWrapper}\n   */\n  find(selector) {\n    const predicate = buildInstPredicate(selector);\n    return findWhereUnwrapped(this, predicate);\n  }\n\n  /**\n   * Returns whether or not current node matches a provided selector.\n   *\n   * NOTE: can only be called on a wrapper of a single node.\n   *\n   * @param {String|Function} selector\n   * @returns {boolean}\n   */\n  is(selector) {\n    const predicate = buildInstPredicate(selector);\n    return this.single(n => predicate(n));\n  }\n\n  /**\n   * Returns a new wrapper instance with only the nodes of the current wrapper instance that match\n   * the provided predicate function.\n   *\n   * @param {Function} predicate\n   * @returns {ReactWrapper}\n   */\n  filterWhere(predicate) {\n    return filterWhereUnwrapped(this, n => predicate(this.wrap(n)));\n  }\n\n  /**\n   * Returns a new wrapper instance with only the nodes of the current wrapper instance that match\n   * the provided selector.\n   *\n   * @param {String|Function} selector\n   * @returns {ReactWrapper}\n   */\n  filter(selector) {\n    const predicate = buildInstPredicate(selector);\n    return filterWhereUnwrapped(this, predicate);\n  }\n\n  /**\n   * Returns a new wrapper instance with only the nodes of the current wrapper that did not match\n   * the provided selector. Essentially the inverse of `filter`.\n   *\n   * @param {String|Function} selector\n   * @returns {ReactWrapper}\n   */\n  not(selector) {\n    const predicate = buildInstPredicate(selector);\n    return filterWhereUnwrapped(this, n => !predicate(n));\n  }\n\n  /**\n   * Returns a string of the rendered text of the current render tree.  This function should be\n   * looked at with skepticism if being used to test what the actual HTML output of the component\n   * will be. If that is what you would like to test, use reagent's `render` function instead.\n   *\n   * NOTE: can only be called on a wrapper of a single node.\n   *\n   * @returns {String}\n   */\n  text() {\n    return this.single(n => findDOMNode(n).textContent);\n  }\n\n  /**\n   * Used to simulate events. Pass an eventname and (optionally) event arguments. This method of\n   * testing events should be met with some skepticism.\n   *\n   * @param {String} event\n   * @param {Array} args\n   * @returns {ReactWrapper}\n   */\n  simulate(event, ...args) {\n    this.single(n => Simulate[event](findDOMNode(n), ...args));\n    return this;\n  }\n\n  /**\n   * Returns the props hash for the root node of the wrapper.\n   *\n   * NOTE: can only be called on a wrapper of a single node.\n   *\n   * @returns {Object}\n   */\n  props() {\n    return this.single(n => getNode(n).props || {});\n  }\n\n  /**\n   * Returns the state hash for the root node of the wrapper. Optionally pass in a prop name and it\n   * will return just that value.\n   *\n   * NOTE: can only be called on a wrapper of a single node.\n   *\n   * @param {String} name (optional)\n   * @returns {*}\n   */\n  state(name) {\n    if (this.root !== this) {\n      throw new Error('ReactWrapper::state() can only be called on the root');\n    }\n    const _state = this.single(() => this.instance().state);\n    if (name !== undefined) {\n      return _state[name];\n    }\n    return _state;\n  }\n\n  /**\n   * Returns a new wrapper with all of the children of the current wrapper.\n   *\n   * @param {String|Function} [selector]\n   * @returns {ReactWrapper}\n   */\n  children(selector) {\n    const allChildren = this.flatMap(n => childrenOfInst(n.node));\n    return selector ? allChildren.filter(selector) : allChildren;\n  }\n\n  /**\n   * Returns a wrapper around all of the parents/ancestors of the wrapper. Does not include the node\n   * in the current wrapper.\n   *\n   * NOTE: can only be called on a wrapper of a single node.\n   *\n   * @param {String|Function} [selector]\n   * @returns {ReactWrapper}\n   */\n  parents(selector) {\n    const allParents = this.wrap(this.single(n => parentsOfInst(n, this.root.node)));\n    return selector ? allParents.filter(selector) : allParents;\n  }\n\n  /**\n   * Returns a wrapper around the immediate parent of the current node.\n   *\n   * @returns {ReactWrapper}\n   */\n  parent() {\n    return this.flatMap(n => [n.parents().get(0)]);\n  }\n\n  /**\n   *\n   * @param {String|Function} selector\n   * @returns {ReactWrapper}\n   */\n  closest(selector) {\n    return this.is(selector) ? this : this.parents().filter(selector).first();\n  }\n\n  /**\n   * Returns the value of  prop with the given name of the root node.\n   *\n   * @param {String} propName\n   * @returns {*}\n   */\n  prop(propName) {\n    return this.props()[propName];\n  }\n\n  /**\n   * Returns the type of the root ndoe of this wrapper. If it's a composite component, this will be\n   * the component constructor. If it's native DOM node, it will be a string.\n   *\n   * @returns {String|Function}\n   */\n  type() {\n    return this.single(n => getNode(n).type);\n  }\n\n  /**\n   * Returns whether or not the current root node has the given class name or not.\n   *\n   * NOTE: can only be called on a wrapper of a single node.\n   *\n   * @param {String} className\n   * @returns {Boolean}\n   */\n  hasClass(className) {\n    if (className && className.indexOf('.') !== -1) {\n      console.log(\n        'It looks like you\\'re calling `ReactWrapper::hasClass()` with a CSS selector. ' +\n        'hasClass() expects a class name, not a CSS selector.'\n      );\n    }\n    return this.single(n => instHasClassName(n, className));\n  }\n\n  /**\n   * Iterates through each node of the current wrapper and executes the provided function with a\n   * wrapper around the corresponding node passed in as the first argument.\n   *\n   * @param {Function} fn\n   * @returns {ReactWrapper}\n   */\n  forEach(fn) {\n    this.nodes.forEach((n, i) => fn.call(this, this.wrap(n), i));\n    return this;\n  }\n\n  /**\n   * Maps the current array of nodes to another array. Each node is passed in as a `ReactWrapper`\n   * to the map function.\n   *\n   * @param {Function} fn\n   * @returns {Array}\n   */\n  map(fn) {\n    return this.nodes.map((n, i) => fn.call(this, this.wrap(n), i));\n  }\n\n  /**\n   * Reduces the current array of nodes to another array. Each node is passed in as a `ShallowWrapper`\n   * to the reducer function.\n   *\n   * @param {Function} fn - the reducer function\n   * @param {*} initialValue - the initial value\n   * @returns {*}\n   */\n  reduce(fn, initialValue) {\n    return this.nodes.reduce(\n      (accum, n, i) => fn.call(this, accum, this.wrap(n), i),\n      initialValue\n    );\n  }\n\n  /**\n   * Reduces the current array of nodes to another array, from right to left. Each node is passed\n   * in as a `ShallowWrapper` to the reducer function.\n   *\n   * @param {Function} fn - the reducer function\n   * @param {*} initialValue - the initial value\n   * @returns {*}\n   */\n  reduceRight(fn, initialValue) {\n    return this.nodes.reduceRight(\n      (accum, n, i) => fn.call(this, accum, this.wrap(n), i),\n      initialValue\n    );\n  }\n\n  /**\n   * Returns whether or not any of the nodes in the wrapper match the provided selector.\n   *\n   * @param {Function|String} selector\n   * @returns {Boolean}\n   */\n  some(selector) {\n    const predicate = buildInstPredicate(selector);\n    return this.nodes.some(predicate);\n  }\n\n  /**\n   * Returns whether or not any of the nodes in the wrapper pass the provided predicate function.\n   *\n   * @param {Function} predicate\n   * @returns {Boolean}\n   */\n  someWhere(predicate) {\n    return this.nodes.some((n, i) => predicate.call(this, this.wrap(n), i));\n  }\n\n  /**\n   * Returns whether or not all of the nodes in the wrapper match the provided selector.\n   *\n   * @param {Function|String} selector\n   * @returns {Boolean}\n   */\n  every(selector) {\n    const predicate = buildInstPredicate(selector);\n    return this.nodes.every(predicate);\n  }\n\n  /**\n   * Returns whether or not any of the nodes in the wrapper pass the provided predicate function.\n   *\n   * @param {Function} predicate\n   * @returns {Boolean}\n   */\n  everyWhere(predicate) {\n    return this.nodes.every((n, i) => predicate.call(this, this.wrap(n), i));\n  }\n\n  /**\n   * Utility method used to create new wrappers with a mapping function that returns an array of\n   * nodes in response to a single node wrapper. The returned wrapper is a single wrapper around\n   * all of the mapped nodes flattened (and de-duplicated).\n   *\n   * @param {Function} fn\n   * @returns {ReactWrapper}\n   */\n  flatMap(fn) {\n    const nodes = this.nodes.map((n, i) => fn.call(this, this.wrap(n), i));\n    const flattened = flatten(nodes, true);\n    const uniques = unique(flattened);\n    return this.wrap(uniques);\n  }\n\n  /**\n   * Finds all nodes in the current wrapper nodes' render trees that match the provided predicate\n   * function.\n   *\n   * @param {Function} predicate\n   * @returns {ReactWrapper}\n   */\n  findWhere(predicate) {\n    return findWhereUnwrapped(this, n => predicate(this.wrap(n)));\n  }\n\n  /**\n   * Returns the node at a given index of the current wrapper.\n   *\n   * @param {Number} index\n   * @returns {ReactElement}\n   */\n  get(index) {\n    return this.nodes[index];\n  }\n\n  /**\n   * Returns a wrapper around the node at a given index of the current wrapper.\n   *\n   * @param {Number} index\n   * @returns {ReactWrapper}\n   */\n  at(index) {\n    return this.wrap(this.nodes[index]);\n  }\n\n  /**\n   * Returns a wrapper around the first node of the current wrapper.\n   *\n   * @returns {ReactWrapper}\n   */\n  first() {\n    return this.at(0);\n  }\n\n  /**\n   * Returns a wrapper around the last node of the current wrapper.\n   *\n   * @returns {ReactWrapper}\n   */\n  last() {\n    return this.at(this.length - 1);\n  }\n\n  /**\n   * Returns true if the current wrapper has no nodes. False otherwise.\n   *\n   * @returns {boolean}\n   */\n  isEmpty() {\n    return this.length === 0;\n  }\n\n  /**\n   * Utility method that throws an error if the current instance has a length other than one.\n   * This is primarily used to enforce that certain methods are only run on a wrapper when it is\n   * wrapping a single node.\n   *\n   * @param {Function} fn\n   * @returns {*}\n   */\n  single(fn) {\n    if (this.length !== 1) {\n      throw new Error(\n        `This method is only meant to be run on single node. ${this.length} found instead.`\n      );\n    }\n    return fn.call(this, this.node);\n  }\n\n  /**\n   * Helpful utility method to create a new wrapper with the same root as the current wrapper, with\n   * any nodes passed in as the first parameter automatically wrapped.\n   *\n   * @param {ReactWrapper|ReactElement|Array<ReactElement>} node\n   * @returns {ReactWrapper}\n   */\n  wrap(node) {\n    if (node instanceof ReactWrapper) {\n      return node;\n    }\n    return new ReactWrapper(node, this.root);\n  }\n}\n"]} |