Add test-utils/components.js and its tests

test-utils/components.js

@@ -0,0 +1,27 @@
+module.exports = [
+  {
+    kind: 'POJO',
+    create: function(methods) {
+      var res = {view: function() {return {tag:'div'}}}
+      Object.keys(methods || {}).forEach(function(m){res[m] = methods[m]})
+      return res
+    }
+  }, {
+    kind: 'constructible',
+    create: function(methods) {
+      function res(){}
+      res.prototype.view = function() {return {tag:'div'}}
+      Object.keys(methods || {}).forEach(function(m){res.prototype[m] = methods[m]})
+      return res
+    }
+  }, {
+    kind: 'closure',
+    create: function(methods) {
+      return function() {
+        var res = {view: function() {return {tag:'div'}}}
+        Object.keys(methods || {}).forEach(function(m){res[m] = methods[m]})
+        return res
+      }
+    }
+  }
+]