public function it_should_know_its_distance(City $london, City $dublin, City $belfast)
{
$dublin->getName()->shouldBeCalled()->willReturn("Dublin");
$london->distanceTo("Dublin")->shouldBeCalled()->willReturn(15);
$belfast->getName()->shouldBeCalled()->willReturn("Belfast");
$dublin->distanceTo("Belfast")->shouldBeCalled()->willReturn(25);
$this->distance()->shouldBe(40);
}
public function it_should_be_able_to_calculate_the_longest_possible_route(Permutations $calc, CitiesCollection $cities, City $london, City $belfast, City $dublin)
{
$london->beConstructedWith(["London", ["Dublin" => 464, "Belfast" => 518]]);
$london->distanceTo("Belfast")->shouldBeCalled()->willReturn(518);
$london->distanceTo("Dublin")->shouldBeCalled()->willReturn(464);
$london->getName()->shouldBeCalled()->willReturn("London");
$belfast->beConstructedWith(["Belfast", ["Dublin" => 141, "London" => 518]]);
$belfast->getName()->shouldBeCalled()->willReturn("Belfast");
$belfast->distanceTo("Dublin")->shouldBeCalled()->willReturn(141);
$belfast->distanceTo("London")->shouldBeCalled()->willReturn(518);
$dublin->beConstructedWith(["Dublin", ["London" => 464, "Belfast" => 141]]);
$dublin->distanceTo("Belfast")->shouldBeCalled()->willReturn(141);
$dublin->distanceTo("London")->shouldBeCalled()->willReturn(464);
$dublin->getName()->shouldBeCalled()->willReturn("Dublin");
$keys = [0, 1, 2];
$cities->keys()->shouldBeCalled()->willReturn($keys);
$cities->offsetGet(0)->shouldBeCalled()->willReturn($london);
$cities->offsetGet(1)->shouldBeCalled()->willReturn($belfast);
$cities->offsetGet(2)->shouldBeCalled()->willReturn($dublin);
$calc->calculate($keys)->shouldBeCalled()->willReturn([[0, 1, 2], [0, 2, 1], [1, 2, 0], [1, 0, 2], [2, 1, 0], [2, 0, 1]]);
$longestJourney = $this->calculateLongestRoute();
$longestJourney->shouldBeAnInstanceOf(SantaJourney::class);
$longestJourney->distance()->shouldBe(982);
}
public function it_should_know_its_distance(City $start, City $end)
{
$end->getName()->shouldBeCalled()->willReturn("London");
$start->distanceTo("London")->shouldBeCalled()->willReturn(10);
$this->distance()->shouldBe(10);
}