diff --git a/spec/javascripts/components/generic_object_definition/assign-buttons_spec.js b/spec/javascripts/components/generic_object_definition/assign-buttons_spec.js
new file mode 100644
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+++ b/spec/javascripts/components/generic_object_definition/assign-buttons_spec.js
@@ -0,0 +1,152 @@
+describe('assign-button', function() {
+  var $componentController, vm, miqService, API, $scope;
+  beforeEach(module('ManageIQ'));
+  beforeEach(inject(function (_$componentController_, _miqService_, $rootScope) {
+    $componentController = _$componentController_;
+    miqService = _miqService_;
+    $scope = $rootScope.$new();
+
+    //buttons
+    b1 = {name: 'button1', id: 1};
+    b2 = {name: 'button2', id: 2};
+    b3 = {name: 'button3', id: 3};
+    b4 = {name: 'button4', id: 4};
+    b5 = {name: 'button5', id: 5};
+    b6 = {name: 'button6', id: 6};
+    b7 = {name: 'button7', id: 7};
+    b8 = {name: 'button8', id: 8};
+    b9 = {name: 'button9', id: 9};
+    b10 = {name: 'button10', id: 10};
+    b11 = {name: 'button11', id: 11};
+    b12 = {name: 'button12', id: 12};
+
+    var bindings = {
+      assignedButtons: [b1, b2, b3, b4, b5, b6],
+      unassignedButtons: [b7, b8, b9, b10, b11, b12],
+      updateButtons: function() {}};
+    vm = $componentController("assignButtons", null, bindings);
+    vm.$onInit();
+  }));
+
+  describe('#leftButtonClicked', function() {
+    it('one button from assignedButtons is moved to the end of unassignedButtons', function() {
+      vm.model.selectedAssignedButtons = [1];
+      vm.leftButtonClicked();
+      expect(vm.model.assignedButtons).toEqual([b2, b3, b4, b5, b6]);
+      expect(vm.model.unassignedButtons[vm.model.unassignedButtons.length - 1]).toEqual(b1);
+    });
+
+    it('multiple buttons from assignedButtons are moved to the end of unassignedButtons', function() {
+      vm.model.selectedAssignedButtons = [2,4,6];
+      var expectedResult = vm.model.unassignedButtons.concat([b2, b4, b6]);
+      vm.leftButtonClicked();
+      expect(vm.model.assignedButtons).toEqual([ b1, b3, b5]);
+      expect(vm.model.unassignedButtons).toEqual(expectedResult);
+    });
+  });
+
+  describe('#rightButtonClicked', function() {
+    it('one button from unassignedButtons is moved to the end of assignedButtons', function() {
+      vm.model.selectedUnassignedButtons = [7];
+      vm.rightButtonClicked();
+      expect(vm.model.unassignedButtons).toEqual([b8, b9, b10, b11, b12]);
+      expect(vm.model.assignedButtons[vm.model.assignedButtons.length - 1]).toEqual(b7);
+    });
+
+    it('multiple buttons from unassignedButtons are moved to the end of assignedButtons', function() {
+      vm.model.selectedUnassignedButtons = [8,10,12];
+      var expectedResult = vm.model.assignedButtons.concat([b8, b10, b12]);
+      vm.rightButtonClicked();
+      expect(vm.model.unassignedButtons).toEqual([b7, b9, b11]);
+      expect(vm.model.assignedButtons).toEqual(expectedResult);
+    });
+  });
+
+  describe('#upButtonClicked', function() {
+    it('one button is moved one place up', function() {
+      vm.model.selectedAssignedButtons = [2];
+      vm.upButtonClicked();
+      expect(vm.model.assignedButtons[0]).toEqual(b2);
+    });
+
+    it('buttons preserve their relative order', function() {
+      vm.model.selectedAssignedButtons = [1,2,3];
+      var original = [].concat(vm.model.assignedButtons);
+      vm.upButtonClicked();
+      expect(vm.model.assignedButtons).toEqual(original);
+    });
+
+    it('buttons preserve their relative order', function() {
+      vm.model.selectedAssignedButtons = [1,3,5];
+      var original = [b1, b3, b2, b5, b4, b6];
+      vm.upButtonClicked();
+      expect(vm.model.assignedButtons).toEqual(original);
+    });
+  });
+
+  describe('#downButtonClicked', function() {
+    it('one button is moved one place down', function() {
+      vm.model.selectedAssignedButtons = [5];
+      vm.downButtonClicked();
+      expect(vm.model.assignedButtons[5]).toEqual(b5);
+    });
+
+    it('buttons preserve their relative order', function() {
+      vm.model.selectedAssignedButtons = [4,5,6];
+      var original = [].concat(vm.model.assignedButtons);
+      vm.downButtonClicked();
+      expect(vm.model.assignedButtons).toEqual(original);
+    });
+
+    it('buttons preserve their relative order', function() {
+      vm.model.selectedAssignedButtons = [1,3,5];
+      var original = [b2, b1, b4, b3, b6, b5];
+      vm.downButtonClicked();
+      expect(vm.model.assignedButtons).toEqual(original);
+    });
+  });
+
+  describe('#bottomButtonClicked', function() {
+    it('one button is moved one place down', function() {
+      vm.model.selectedAssignedButtons = [1];
+      vm.bottomButtonClicked();
+      expect(vm.model.assignedButtons[5]).toEqual(b1);
+    });
+
+    it('buttons preserve their relative order', function() {
+      vm.model.selectedAssignedButtons = [4,5,6];
+      var original = [].concat(vm.model.assignedButtons);
+      vm.bottomButtonClicked();
+      expect(vm.model.assignedButtons).toEqual(original);
+    });
+
+    it('buttons preserve their relative order', function() {
+      vm.model.selectedAssignedButtons = [2,4,6];
+      var original = [b1, b3, b5, b2, b4, b6];
+      vm.bottomButtonClicked();
+      expect(vm.model.assignedButtons).toEqual(original);
+    });
+  });
+
+  describe('#topButtonClicked', function() {
+    it('one button is moved to the beginning', function() {
+      vm.model.selectedAssignedButtons = [5];
+      vm.topButtonClicked();
+      expect(vm.model.assignedButtons[0]).toEqual(b5);
+    });
+
+    it('buttons preserve their relative order', function() {
+      vm.model.selectedAssignedButtons = [1,2,3];
+      var original = [].concat(vm.model.assignedButtons);
+      vm.topButtonClicked();
+      expect(vm.model.assignedButtons).toEqual(original);
+    });
+
+    it('buttons preserve their relative order', function() {
+      vm.model.selectedAssignedButtons = [1,3,5];
+      var original = [b1, b3, b5, b2, b4, b6];
+      vm.topButtonClicked();
+      expect(vm.model.assignedButtons).toEqual(original);
+    });
+  });
+});