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import { Machine } from '../src/index';
const machine = Machine({  type: 'parallel',  states: {    a: {      initial: 'a1',      states: {        a1: {          on: {            EVENT1: {              target: 'a2',              in: 'b.b2'            },            EVENT2: {              target: 'a2',              in: { b: 'b2' }            },            EVENT3: {              target: 'a2',              in: '#b_b2'            }          }        },        a2: {}      }    },    b: {      initial: 'b1',      states: {        b1: {          on: {            EVENT: {              target: 'b2',              in: 'a.a2'            }          }        },        b2: {          id: 'b_b2',          type: 'parallel',          states: {            foo: {              initial: 'foo1',              states: {                foo1: {                  on: {                    EVENT_DEEP: { target: 'foo2', in: 'bar.bar1' }                  }                },                foo2: {}              }            },            bar: {              initial: 'bar1',              states: {                bar1: {},                bar2: {}              }            }          }        }      }    }  }});
const lightMachine = Machine({  id: 'light',  initial: 'green',  states: {    green: { on: { TIMER: 'yellow' } },    yellow: { on: { TIMER: 'red' } },    red: {      initial: 'walk',      states: {        walk: {},        wait: {},        stop: {}      },      on: {        TIMER: [          {            target: 'green',            in: { red: 'stop' }          }        ]      }    }  }});
describe('transition "in" check', () => {  it('should transition if string state path matches current state value', () => {    expect(      machine.transition(        {          a: 'a1',          b: {            b2: {              foo: 'foo2',              bar: 'bar1'            }          }        },        'EVENT1'      ).value    ).toEqual({      a: 'a2',      b: {        b2: {          foo: 'foo2',          bar: 'bar1'        }      }    });  });
  it('should transition if state node ID matches current state value', () => {    expect(      machine.transition(        {          a: 'a1',          b: {            b2: {              foo: 'foo2',              bar: 'bar1'            }          }        },        'EVENT3'      ).value    ).toEqual({      a: 'a2',      b: {        b2: {          foo: 'foo2',          bar: 'bar1'        }      }    });  });
  it('should not transition if string state path does not match current state value', () => {    expect(machine.transition({ a: 'a1', b: 'b1' }, 'EVENT1').value).toEqual({      a: 'a1',      b: 'b1'    });  });
  it('should not transition if state value matches current state value', () => {    expect(      machine.transition(        {          a: 'a1',          b: {            b2: {              foo: 'foo2',              bar: 'bar1'            }          }        },        'EVENT2'      ).value    ).toEqual({      a: 'a2',      b: {        b2: {          foo: 'foo2',          bar: 'bar1'        }      }    });  });
  it('matching should be relative to grandparent (match)', () => {    expect(      machine.transition(        { a: 'a1', b: { b2: { foo: 'foo1', bar: 'bar1' } } },        'EVENT_DEEP'      ).value    ).toEqual({      a: 'a1',      b: {        b2: {          foo: 'foo2',          bar: 'bar1'        }      }    });  });
  it('matching should be relative to grandparent (no match)', () => {    expect(      machine.transition(        { a: 'a1', b: { b2: { foo: 'foo1', bar: 'bar2' } } },        'EVENT_DEEP'      ).value    ).toEqual({      a: 'a1',      b: {        b2: {          foo: 'foo1',          bar: 'bar2'        }      }    });  });
  it('should work to forbid events', () => {    const walkState = lightMachine.transition('red.walk', 'TIMER');
    expect(walkState.value).toEqual({ red: 'walk' });
    const waitState = lightMachine.transition('red.wait', 'TIMER');
    expect(waitState.value).toEqual({ red: 'wait' });
    const stopState = lightMachine.transition('red.stop', 'TIMER');
    expect(stopState.value).toEqual('green');  });});