Fix properties with undefined value pass property assertion

component.json

@@ -30,6 +30,8 @@
       , "lib/chai/utils/getMessage.js"
       , "lib/chai/utils/getName.js"
       , "lib/chai/utils/getPathValue.js"
+      , "lib/chai/utils/getPathInfo.js"
+      , "lib/chai/utils/hasProperty.js"
       , "lib/chai/utils/getProperties.js"
       , "lib/chai/utils/index.js"
       , "lib/chai/utils/inspect.js"

lib/chai/core/assertions.js

@@ -160,11 +160,11 @@ module.exports = function (chai, _) {
         for (var k in val) new Assertion(obj).property(k, val[k]);
         return;
       }
-      var subset = {}
-      for (var k in val) subset[k] = obj[k]
+      var subset = {};
+      for (var k in val) subset[k] = obj[k];
       expected = _.eql(subset, val);
     } else {
-      expected = obj && ~obj.indexOf(val)
+      expected = obj && ~obj.indexOf(val);
     }
     this.assert(
         expected
@@ -765,11 +765,16 @@ module.exports = function (chai, _) {
   Assertion.addMethod('property', function (name, val, msg) {
     if (msg) flag(this, 'message', msg);
 
-    var descriptor = flag(this, 'deep') ? 'deep property ' : 'property '
+    var isDeep = !!flag(this, 'deep')
+      , descriptor = isDeep ? 'deep property ' : 'property '
       , negate = flag(this, 'negate')
       , obj = flag(this, 'object')
-      , value = flag(this, 'deep')
-        ? _.getPathValue(name, obj)
+      , pathInfo = isDeep ? _.getPathInfo(name, obj) : null
+      , hasProperty = isDeep
+        ? pathInfo.exists
+        : _.hasProperty(name, obj)
+      , value = isDeep
+        ? pathInfo.value
         : obj[name];
 
     if (negate && undefined !== val) {
@@ -779,7 +784,7 @@ module.exports = function (chai, _) {
       }
     } else {
       this.assert(
-          undefined !== value
+          hasProperty
         , 'expected #{this} to have a ' + descriptor + _.inspect(name)
         , 'expected #{this} to not have ' + descriptor + _.inspect(name));
     }

lib/chai/utils/getPathInfo.js

@@ -0,0 +1,109 @@
+/*!
+ * Chai - getPathInfo utility
+ * Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+var hasProperty = require('./hasProperty');
+
+/**
+ * ### .getPathInfo(path, object)
+ *
+ * This allows the retrieval of property info in an
+ * object given a string path.
+ *
+ * The path info consists of an object with the
+ * following properties:
+ *
+ * * parent - The parent object of the property referenced by `path`
+ * * name - The name of the final property, a number if it was an array indexer
+ * * value - The value of the property, if it exists, otherwise `undefined`
+ * * exists - Whether the property exists or not
+ *
+ * @param {String} path
+ * @param {Object} object
+ * @returns {Object} info
+ * @name getPathInfo
+ * @api public
+ */
+
+module.exports = function getPathInfo(path, obj) {
+  var parsed = parsePath(path),
+      last = parsed[parsed.length - 1];
+
+  var info = {
+    parent: _getPathValue(parsed, obj, parsed.length - 1),
+    name: last.p || last.i,
+    value: _getPathValue(parsed, obj),
+  };
+  info.exists = hasProperty(info.name, info.parent);
+
+  return info;
+};
+
+
+/*!
+ * ## parsePath(path)
+ *
+ * Helper function used to parse string object
+ * paths. Use in conjunction with `_getPathValue`.
+ *
+ *      var parsed = parsePath('myobject.property.subprop');
+ *
+ * ### Paths:
+ *
+ * * Can be as near infinitely deep and nested
+ * * Arrays are also valid using the formal `myobject.document[3].property`.
+ *
+ * @param {String} path
+ * @returns {Object} parsed
+ * @api private
+ */
+
+function parsePath (path) {
+  var str = path.replace(/\[/g, '.[')
+    , parts = str.match(/(\\\.|[^.]+?)+/g);
+  return parts.map(function (value) {
+    var re = /\[(\d+)\]$/
+      , mArr = re.exec(value);
+    if (mArr) return { i: parseFloat(mArr[1]) };
+    else return { p: value };
+  });
+}
+
+
+/*!
+ * ## _getPathValue(parsed, obj)
+ *
+ * Helper companion function for `.parsePath` that returns
+ * the value located at the parsed address.
+ *
+ *      var value = getPathValue(parsed, obj);
+ *
+ * @param {Object} parsed definition from `parsePath`.
+ * @param {Object} object to search against
+ * @param {Number} object to search against
+ * @returns {Object|Undefined} value
+ * @api private
+ */
+
+function _getPathValue (parsed, obj, index) {
+  var tmp = obj
+    , res;
+
+  index = (index === undefined ? parsed.length : index);
+
+  for (var i = 0, l = index; i < l; i++) {
+    var part = parsed[i];
+    if (tmp) {
+      if ('undefined' !== typeof part.p)
+        tmp = tmp[part.p];
+      else if ('undefined' !== typeof part.i)
+        tmp = tmp[part.i];
+      if (i == (l - 1)) res = tmp;
+    } else {
+      res = undefined;
+    }
+  }
+  return res;
+}

lib/chai/utils/getPathValue.js

@@ -1,10 +1,12 @@
 /*!
- * Chai - getPathValue utility
+ * Chai - getPathInfo utility
  * Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
  * @see https://github.com/logicalparadox/filtr
  * MIT Licensed
  */
 
+var getPathInfo = require('./getPathInfo');
+
 /**
  * ### .getPathValue(path, object)
  *
@@ -34,69 +36,7 @@
  * @name getPathValue
  * @api public
  */
-
-var getPathValue = module.exports = function (path, obj) {
-  var parsed = parsePath(path);
-  return _getPathValue(parsed, obj);
-};
-
-/*!
- * ## parsePath(path)
- *
- * Helper function used to parse string object
- * paths. Use in conjunction with `_getPathValue`.
- *
- *      var parsed = parsePath('myobject.property.subprop');
- *
- * ### Paths:
- *
- * * Can be as near infinitely deep and nested
- * * Arrays are also valid using the formal `myobject.document[3].property`.
- *
- * @param {String} path
- * @returns {Object} parsed
- * @api private
- */
-
-function parsePath (path) {
-  var str = path.replace(/\[/g, '.[')
-    , parts = str.match(/(\\\.|[^.]+?)+/g);
-  return parts.map(function (value) {
-    var re = /\[(\d+)\]$/
-      , mArr = re.exec(value)
-    if (mArr) return { i: parseFloat(mArr[1]) };
-    else return { p: value };
-  });
-};
-
-/*!
- * ## _getPathValue(parsed, obj)
- *
- * Helper companion function for `.parsePath` that returns
- * the value located at the parsed address.
- *
- *      var value = getPathValue(parsed, obj);
- *
- * @param {Object} parsed definition from `parsePath`.
- * @param {Object} object to search against
- * @returns {Object|Undefined} value
- * @api private
- */
-
-function _getPathValue (parsed, obj) {
-  var tmp = obj
-    , res;
-  for (var i = 0, l = parsed.length; i < l; i++) {
-    var part = parsed[i];
-    if (tmp) {
-      if ('undefined' !== typeof part.p)
-        tmp = tmp[part.p];
-      else if ('undefined' !== typeof part.i)
-        tmp = tmp[part.i];
-      if (i == (l - 1)) res = tmp;
-    } else {
-      res = undefined;
-    }
-  }
-  return res;
-};
+module.exports = function(path, obj) {
+  var info = getPathInfo(path, obj);
+  return info.value;
+}; 

lib/chai/utils/hasProperty.js

@@ -0,0 +1,63 @@
+/*!
+ * Chai - hasProperty utility
+ * Copyright(c) 2012-2014 Jake Luer <jake@alogicalparadox.com>
+ * MIT Licensed
+ */
+
+var type = require('./type');
+
+/**
+ * ### .hasProperty(object, name)
+ *
+ * This allows checking whether an object has
+ * named property or numeric array index.
+ *
+ * Basically does the same thing as the `in`
+ * operator but works properly with natives
+ * and null/undefined values.
+ *
+ *     var obj = {
+ *         arr: ['a', 'b', 'c']
+ *       , str: 'Hello'
+ *     }
+ *
+ * The following would be the results.
+ *
+ *     hasProperty('str', obj);  // true
+ *     hasProperty('constructor', obj);  // true
+ *     hasProperty('bar', obj);  // false
+ *     
+ *     hasProperty('length', obj.str); // true
+ *     hasProperty(1, obj.str);  // true
+ *     hasProperty(5, obj.str);  // false
+ *
+ *     hasProperty('length', obj.arr);  // true
+ *     hasProperty(2, obj.arr);  // true
+ *     hasProperty(3, obj.arr);  // false
+ *
+ * @param {Objuect} object
+ * @param {String|Number} name
+ * @returns {Boolean} whether it exists
+ * @name getPathInfo
+ * @api public
+ */
+
+var literals = {
+    'number': Number
+  , 'string': String
+};
+
+module.exports = function hasProperty(name, obj) {
+  var ot = type(obj);
+
+  // Bad Object, obviously no props at all
+  if(ot === 'null' || ot === 'undefined')
+    return false;
+
+  // The `in` operator does not work with certain literals
+  // box these before the check
+  if(literals[ot] && typeof obj !== 'object')
+    obj = new literals[ot](obj);
+
+  return name in obj;
+};

lib/chai/utils/index.js

@@ -70,6 +70,18 @@ exports.eql = require('deep-eql');
 
 exports.getPathValue = require('./getPathValue');
 
+/*!
+ * Deep path info
+ */
+
+exports.getPathInfo = require('./getPathInfo');
+
+/*!
+ * Check if a property exists
+ */
+
+exports.hasProperty = require('./hasProperty');
+
 /*!
  * Function name
  */