text: import { Parameter } from '..';
  
  describe('NumberParameter', () => {
    let param;
  
    beforeEach(() => {
      param = Parameter.create({ name: 'param', title: 'Param', type: 'number' });
    });
  
    describe('normalizeValue', () => {
      test('converts Strings', () => {
        const normalizedValue = param.normalizeValue('15');
        expect(normalizedValue).toBe(15);
      });
  
      test('converts Numbers', () => {
        const normalizedValue = param.normalizeValue(42);
        expect(normalizedValue).toBe(42);
      });
  
      test('returns null when not possible to convert to number', () => {
        const normalizedValue = param.normalizeValue('notanumber');
        expect(normalizedValue).toBeNull();
      });
    });
  });
  