Add tests for disabled and expandDisabled

Author: jakezatecky

test/CheckboxTree.js

@@ -22,6 +22,16 @@ describe('<CheckboxTree />', () => {
 		});
 	});
 
+	describe('disabled', () => {
+		it('should add the class rct-disabled to the root', () => {
+			const wrapper = shallow(
+				<CheckboxTree disabled nodes={[]} />,
+			);
+
+			assert.isTrue(wrapper.find('.react-checkbox-tree.rct-disabled').exists());
+		});
+	});
+
 	describe('nodes', () => {
 		it('should render the node\'s label', () => {
 			const wrapper = shallow(

test/TreeNode.js

@@ -6,6 +6,8 @@ import TreeNode from '../src/js/TreeNode';
 
 const baseProps = {
 	checked: 0,
+	disabled: false,
+	expandDisabled: false,
 	expanded: false,
 	label: 'Jupiter',
 	optimisticToggle: true,
@@ -84,6 +86,26 @@ describe('<TreeNode />', () => {
 		});
 	});
 
+	describe('disabled', () => {
+		it('should disable the hidden <input> element', () => {
+			const wrapper = shallow(
+				<TreeNode {...baseProps} disabled />,
+			);
+
+			assert.isTrue(wrapper.find('input[disabled]').exists());
+		});
+	});
+
+	describe('expandDisabled', () => {
+		it('should disable the expand <button>', () => {
+			const wrapper = shallow(
+				<TreeNode {...baseProps} expandDisabled rawChildren={[{ value: 'europa', label: 'Europa' }]} />,
+			);
+
+			assert.isTrue(wrapper.find('button.rct-collapse-btn[disabled]').exists());
+		});
+	});
+
 	describe('expanded', () => {
 		it('should render children when set to true', () => {
 			const wrapper = shallow(