text: import React from 'react';
  import renderer from 'react-test-renderer';
  
  import { parseBindingDefinition, createMapScopeToProps, wrapWithDecorators } from '../utils';
  
  describe('parseBindingDefinition', () => {
      test('parse binding definitions correctly', () => {
          expect(parseBindingDefinition('<')).toEqual({ binding: '<', optional: false });
          expect(parseBindingDefinition('&')).toEqual({ binding: '&', optional: false });
  
          // Optional
          expect(parseBindingDefinition('<?')).toEqual({ binding: '<', optional: true });
          expect(parseBindingDefinition('&?')).toEqual({ binding: '&', optional: true });
  
          // Named
          expect(parseBindingDefinition('<name')).toEqual({ binding: '<', optional: false });
          expect(parseBindingDefinition('&onClick')).toEqual({ binding: '&', optional: false });
  
          // Optional and named
          expect(parseBindingDefinition('<?name')).toEqual({ binding: '<', optional: true });
          expect(parseBindingDefinition('&?onClick')).toEqual({ binding: '&', optional: true });
      });
  
      test('throws an error for invalid bindings', () => {
          expect(() => {
              parseBindingDefinition(':');
          }).toThrowError(`Defintion of binding ':' is not a valid`);
      });
  
      test('throws an error for unsupported bindings', () => {
          expect(() => {
              parseBindingDefinition('@');
          }).toThrowError(`Binding '@' is not a supported binding`);
      });
  });
  
  describe('createMapScopeToProps', () => {
      test('throws errors for invalid or not supported bindings', () => {
          expect(() => {
              createMapScopeToProps({
                  name: ':'
              });
          }).toThrowError(`Defintion of binding ':' is not a valid`);
  
          expect(() => {
              createMapScopeToProps({
                  name: '@'
              });
          }).toThrowError(`Binding '@' is not a supported binding`);
      });
  
      test('create mapScopeToProps functions ', () => {
          const bindings = {
              name: '<',
              onClickName: '&'
          };
  
          const mapScopeToProps = createMapScopeToProps(bindings);
  
          expect(typeof mapScopeToProps).toBe('function');
      });
      test('mapScopeToProps returns correct props', () => {
          const bindings = {
              name: '<',
              onClickName: '&'
          };
          const scope = {
              name: 'Hello',
              onClickName: jest.fn(),
              unknownProp: 'UNKNOWN'
          }
          const event = Symbol();
          const mapScopeToProps = createMapScopeToProps(bindings);
  
          const props = mapScopeToProps(scope);
  
          expect(props.name).toBe(scope.name);
          expect(typeof props.onClickName).toBe('function');
  
          props.onClickName(event)
          expect(scope.onClickName.mock.calls[0]).toEqual([ { $event: event } ]);
      });
  
      test('mapScopeToProps handles optional bindings correctly', () => {
          const bindings = {
              name: '<?',
              onClickName: '&?',
              onDoubleClickName: '&?'
          };
          const scope = {
              name: 'Hello',
              onDoubleClickName: jest.fn()
          };
          const event = Symbol();
          const mapScopeToProps = createMapScopeToProps(bindings);
  
          const props = mapScopeToProps(scope);
  
          expect(props.name).toBe(scope.name);
          expect(typeof props.onClickName).toBe('undefined');
          expect(typeof props.onDoubleClickName).toBe('function');
  
          props.onDoubleClickName(event)
          expect(scope.onDoubleClickName.mock.calls[0]).toEqual([ { $event: event } ]);
      });
  });
  
  
  describe('wrapWithDecorators', () => {
      test('returns function', () => {
          const decorators = [];
  
          expect(typeof wrapWithDecorators()).toBe('function');
      });
  
      describe('renders correctly', () => {
          const decorators = [
              (render) => (<span className="Decorator-1">{render()}</span>),
              (render) => (<span className="Decorator-2">{render()}</span>)
          ];
          const ComponentToDecorate = ({ content }) => (<span>{content}</span>);
  
          const Component = wrapWithDecorators(decorators)(ComponentToDecorate);
  
          const tree = renderer.create(
              <Component content="MyContent" />
          ).toJSON();
  
          expect(tree).toMatchSnapshot();
      });
  });
  