Merge branch 'master' of https://github.com/enyojs/enyo

source/kernel/Component.js

@@ -230,6 +230,9 @@ enyo.kind({
 		inProps.owner = inProps.owner || this;
 	},
 	_createComponent: function(inInfo, inMoreInfo) {
+		if (!inInfo.kind && ("kind" in inInfo)) {
+			throw "enyo.create: Attempt to create a null kind. Check dependencies for [" + inInfo.name + "].";
+		}
 		// CAVEAT: inInfo and inMoreInfo are copied before mutation, but it's only a shallow copy
 		var props = enyo.mixin(enyo.clone(inMoreInfo), inInfo);
 		this.adjustComponentProps(props);
@@ -442,7 +445,7 @@ enyo.defaultCtor = enyo.Component;
 
 enyo.create = enyo.Component.create = function(inConfig) {
 	if (!inConfig.kind && ("kind" in inConfig)) {
-		throw "enyo.create: Attempt to create a null kind. Check dependencies.";
+		throw "enyo.create: Attempt to create a null kind. Check dependencies for [" + (inConfig.name || "") + "].";
 	}
 	var kind = inConfig.kind || inConfig.isa || enyo.defaultCtor;
 	var ctor = enyo.constructorForKind(kind);

tools/test/core/tests/ComponentTest.js

@@ -0,0 +1,28 @@
+enyo.kind({
+	name: "ComponentTest",
+	kind: enyo.TestSuite,
+	testNestedComponentUndefinedKind: function() {
+		var pass = false;
+		// should throw exception as this is an error
+		try {
+			var a = enyo.kind(
+				{ 
+					name: "parentComponent", 
+					components: [
+					    {
+					    	name: "nestedComponent", 
+					    	kind: undefined
+					    }
+					]
+				}
+			);
+			new a({});
+		} catch(e) {
+			pass = true;
+		}
+		if (!pass) {
+			throw("no exception for explicitly undefined kind in a nested component");
+		}
+		this.finish();
+	}
+});

tools/test/core/tests/package.js

@@ -4,6 +4,7 @@ enyo.depends(
 	"JsonTest.js",
 	"AsyncTest.js",
 	"AjaxTest.js",
+	"ComponentTest.js",
 	"ComponentDispatchTest.js",
 	"ComponentHandlersTest.js",
 	"ControlPropsTest.js",