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Revert .empty assertion change from PR #499

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The change introduced in #499 breaks compatibility with Array-like
objects (e.g. mongoose arrays).
It should be applied in the next major version.

Fix #537
This commit is contained in:
Bertrand Marron 2015-10-21 12:26:51 +02:00
parent 6472cb97df
commit 8c1d8cf932
1 changed files with 10 additions and 1 deletions
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11
lib/chai/core/assertions.js
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@ -396,8 +396,17 @@ module.exports = function (chai, _) {
*/
Assertion.addProperty('empty', function () {
var obj = flag(this, 'object')
, expected = obj;
if (Array.isArray(obj) || 'string' === typeof object) {
expected = obj.length;
} else if (typeof obj === 'object') {
expected = Object.keys(obj).length;
}
this.assert(
Object.keys(Object(flag(this, 'object'))).length === 0
!expected
, 'expected #{this} to be empty'
, 'expected #{this} not to be empty'
);