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chai-jquery.js
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chai-jquery.js
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(function (chaiJquery) {
// Module systems magic dance.
if (typeof require === "function" && typeof exports === "object" && typeof module === "object") {
// NodeJS
module.exports = chaiJquery;
} else if (typeof define === "function" && define.amd) {
// AMD
define(['jquery'], function ($) {
return function (chai, utils) {
return chaiJquery(chai, utils, $);
};
});
} else {
// Other environment (usually <script> tag): plug in to global chai instance directly.
chai.use(function (chai, utils) {
return chaiJquery(chai, utils, jQuery);
});
}
}(function (chai, utils, $) {
var inspect = utils.inspect,
flag = utils.flag;
$ = $ || jQuery;
var setPrototypeOf = '__proto__' in Object ?
function (object, prototype) {
object.__proto__ = prototype;
} :
function (object, prototype) {
var excludeNames = /^(?:length|name|arguments|caller)$/;
function copyProperties(dst, src) {
Object.getOwnPropertyNames(src).forEach(function (name) {
if (!excludeNames.test(name)) {
Object.defineProperty(dst, name,
Object.getOwnPropertyDescriptor(src, name));
}
});
}
copyProperties(object, prototype);
copyProperties(object, Object.getPrototypeOf(prototype));
};
$.fn.inspect = function (depth) {
var el = $('<div />').append(this.clone());
if (depth !== undefined) {
var children = el.children();
while (depth-- > 0)
children = children.children();
children.html('...');
}
return el.html();
};
var props = {attr: 'attribute', css: 'CSS property', prop: 'property'};
for (var prop in props) {
(function (prop, description) {
chai.Assertion.addMethod(prop, function (name, val) {
var actual = flag(this, 'object')[prop](name);
if (!flag(this, 'negate') || undefined === val) {
this.assert(
undefined !== actual
, 'expected #{this} to have a #{exp} ' + description
, 'expected #{this} not to have a #{exp} ' + description
, name
);
}
if (undefined !== val) {
this.assert(
val === actual
, 'expected #{this} to have a ' + inspect(name) + ' ' + description + ' with the value #{exp}, but the value was #{act}'
, 'expected #{this} not to have a ' + inspect(name) + ' ' + description + ' with the value #{act}'
, val
, actual
);
}
flag(this, 'object', actual);
});
})(prop, props[prop]);
}
chai.Assertion.addMethod('data', function (name, val) {
// Work around a chai bug (https://github.com/logicalparadox/chai/issues/16)
if (flag(this, 'negate') && undefined !== val && undefined === flag(this, 'object').data(name)) {
return;
}
var assertion = new chai.Assertion(flag(this, 'object').data());
if (flag(this, 'negate'))
assertion = assertion.not;
return assertion.property(name, val);
});
chai.Assertion.addMethod('class', function (className) {
this.assert(
flag(this, 'object').hasClass(className)
, 'expected #{this} to have class #{exp}'
, 'expected #{this} not to have class #{exp}'
, className
);
});
chai.Assertion.addMethod('id', function (id) {
this.assert(
flag(this, 'object').attr('id') === id
, 'expected #{this} to have id #{exp}'
, 'expected #{this} not to have id #{exp}'
, id
);
});
chai.Assertion.addMethod('html', function (html) {
var actual = flag(this, 'object').html();
this.assert(
actual === html
, 'expected #{this} to have HTML #{exp}, but the HTML was #{act}'
, 'expected #{this} not to have HTML #{exp}'
, html
, actual
);
});
chai.Assertion.addMethod('text', function (text) {
var actual = flag(this, 'object').text();
this.assert(
actual === text
, 'expected #{this} to have text #{exp}, but the text was #{act}'
, 'expected #{this} not to have text #{exp}'
, text
, actual
);
});
chai.Assertion.addMethod('value', function (value) {
var actual = flag(this, 'object').val();
this.assert(
flag(this, 'object').val() === value
, 'expected #{this} to have value #{exp}, but the value was #{act}'
, 'expected #{this} not to have value #{exp}'
, value
, actual
);
});
chai.Assertion.addMethod('descendants', function (selector) {
this.assert(
flag(this, 'object').has(selector).length > 0
, 'expected #{this} to have #{exp}'
, 'expected #{this} not to have #{exp}'
, selector
);
});
$.each(['visible', 'hidden', 'selected', 'checked', 'enabled', 'disabled'], function (i, attr) {
chai.Assertion.addProperty(attr, function () {
this.assert(
flag(this, 'object').is(':' + attr)
, 'expected #{this} to be ' + attr
, 'expected #{this} not to be ' + attr);
});
});
chai.Assertion.overwriteProperty('exist', function (_super) {
return function () {
var obj = flag(this, 'object');
if (obj instanceof $) {
this.assert(
obj.length > 0
, 'expected ' + inspect(obj.selector) + ' to exist'
, 'expected ' + inspect(obj.selector) + ' not to exist');
} else {
_super.apply(this, arguments);
}
};
});
chai.Assertion.overwriteProperty('empty', function (_super) {
return function () {
var obj = flag(this, 'object');
if (obj instanceof $) {
this.assert(
obj.is(':empty')
, 'expected #{this} to be empty'
, 'expected #{this} not to be empty');
} else {
_super.apply(this, arguments);
}
};
});
chai.Assertion.overwriteMethod('match', function (_super) {
return function (selector) {
var obj = flag(this, 'object');
if (obj instanceof $) {
this.assert(
obj.is(selector)
, 'expected #{this} to match #{exp}'
, 'expected #{this} not to match #{exp}'
, selector
);
} else {
_super.apply(this, arguments);
}
}
});
chai.Assertion.overwriteChainableMethod('contain',
function (_super) {
return function (text) {
var obj = flag(this, 'object');
if (obj instanceof $) {
this.assert(
obj.is(':contains(\'' + text + '\')')
, 'expected #{this} to contain #{exp}'
, 'expected #{this} not to contain #{exp}'
, text);
} else {
_super.apply(this, arguments);
}
}
},
function(_super) {
return function() {
_super.call(this);
};
}
);
chai.Assertion.addMethod('focus', function () {
this.assert(
// Can't use `$().is(':focus')` because of certain webkit browsers
// see https://github.com/ariya/phantomjs/issues/10427
flag(this, 'object').get(0) === document.activeElement
, 'expected #{this} to have focus'
, 'expected #{this} not to have focus');
});
}));