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import { mapState } from '../src/index';
describe('mapState()', () => {  it('should return the first mapping found of a state', () => {    const mapping = mapState(      {        a: 'state a',        b: 'state b'      },      'b'    );
    expect(mapping).toBe('state b');  });
  it('should return undefined for unmapped states', () => {    const mapping = mapState(      {        a: 'state a',        b: 'state b'      },      'c'    );
    expect(mapping).not.toBeDefined();  });
  it('should prioritize returning equivalent state mapping', () => {    const mapping = mapState(      {        a: 'state a',        b: 'state b',        'b.b1': 'st b.b1'      },      'b.b1'    );
    expect(mapping).toBe('st b.b1');  });
  it('should return superstate mapping when substate is not found', () => {    const mapping = mapState(      {        a: 'state a',        b: 'state b',        'b.b1': 'st b.b1'      },      'b.foo'    );
    expect(mapping).toBe('state b');  });
  it('should return superstate mapping when deep substate is not found', () => {    const mapping = mapState(      {        a: 'state a',        b: 'state b',        'b.b1': 'state b.b1'      },      'b.b1.foo'    );
    expect(mapping).toBe('state b.b1');  });});