public void T4_trains_can_be_found_by_name()
{
ICity s = CityFactory.CreateCity("Paris");
ICompany c1 = s.AddCompany("Transports de Lyon");
ICompany c2 = s.AddCompany("Transports de Marseille");
ITrain t1 = c1.AddTrain("RER1");
c1.FindTrain("RER1").Should().BeSameAs(t1);
c2.FindTrain("RER1").Should().BeNull();
ITrain t2 = c2.AddTrain("RER1");
c2.FindTrain("RER1").Should().BeSameAs(t2);
c1.FindTrain("RER1").Should().NotBeSameAs(t2);
ITrain t3 = c1.AddTrain("RER2");
ITrain t4 = c1.AddTrain("RER3");
ITrain t5 = c1.AddTrain("RER4");
c1.FindTrain("RER2").Should().BeSameAs(t3);
c1.FindTrain("RER3").Should().BeSameAs(t4);
c1.FindTrain("RER4").Should().BeSameAs(t5);
c2.FindTrain("RER2").Should().BeNull();
c2.FindTrain("RER3").Should().BeNull();
c2.FindTrain("RER4").Should().BeNull();
}
private static ICity CreateTestCity()
{
ICity city = CityFactory.CreateCity("First City");
ICompany c1 = city.AddCompany("C01");
ITrain t1 = c1.AddTrain("T01");
ICompany c2 = city.AddCompany("C02");
ITrain t2 = c2.AddTrain("T02");
return(city);
}
public void T4_trains_are_created_by_companies_and_have_a_unique_name()
{
ICity s = CityFactory.CreateCity("Paris");
ICompany c = s.AddCompany("SNCF");
Action a = () => c.AddTrain(null);
a.ShouldThrow <ArgumentException>();
ITrain p1 = c.AddTrain("train1");
p1.Company.Should().BeSameAs(c);
p1.Name.Should().BeEquivalentTo("train1");
p1.Assignment.Should().BeNull();
Action a1 = () => c.AddTrain("train1");
a1.ShouldThrow <ArgumentException>();
ITrain p2 = c.AddTrain("train2");
p2.Company.Should().BeSameAs(c);
p2.Name.Should().BeEquivalentTo("train2");
p2.Assignment.Should().BeNull();
Action a2 = () => c.AddTrain("train2");
a2.ShouldThrow <ArgumentException>();
p1.GetType().GetProperty("Name").GetSetMethod().Should().BeNull("Train.Name must NOT be writeable.");
p1.GetType().GetProperty("Assignment").GetSetMethod().Should().BeNull("Train.Assignment must NOT be writeable.");
p1.GetType().GetProperty("City").GetSetMethod().Should().BeNull("Train.City must NOT be writeable.");
p1.GetType().GetConstructors(BindingFlags.Instance | BindingFlags.Public).Should().BeEmpty("Train must not expose any public constructors.");
}
private static ICity CreateTestCity()
{
ICity city = CityFactory.CreateCity("Paris");
ICompany company = city.AddCompany("ITICORP");
ITrain train = company.AddTrain("TGV");
return(city);
}
public void T1_companies_can_be_found_by_name()
{
ICity s = CityFactory.CreateCity("Paris");
ICompany c1 = s.AddCompany("SNCF");
s.FindCompany("SNCF").Should().BeSameAs(c1);
s.FindCompany("RATP").Should().BeNull();
ICompany c2 = s.AddCompany("RATP");
s.FindCompany("SNCF").Should().BeSameAs(c1);
s.FindCompany("RATP").Should().BeSameAs(c2);
s.FindCompany("Transports de Lyon").Should().BeNull();
ICompany c3 = s.AddCompany("Transports de Lyon");
ICompany c4 = s.AddCompany("Transports de Marseille");
ICompany c5 = s.AddCompany("Transports de Lille");
s.FindCompany("SNCF").Should().BeSameAs(c1);
s.FindCompany("RATP").Should().BeSameAs(c2);
s.FindCompany("Transports de Lyon").Should().BeSameAs(c3);
s.FindCompany("Transports de Marseille").Should().BeSameAs(c4);
s.FindCompany("Transports de Lille").Should().BeSameAs(c5);
var randomNames = Enumerable.Range(0, 20).Select(i => String.Format("n°{0} - {1}", i, Guid.NewGuid().ToString())).ToArray();
var teachers = randomNames.Select(n => s.AddCompany(n)).ToArray();
teachers.Should().BeEquivalentTo(randomNames.Select(n => s.FindCompany(n)));
}
public void T2_companies_are_created_by_cities_and_have_a_unique_name()
{
ICity s = CityFactory.CreateCity("Paris");
Action a = () => s.AddCompany(null);
a.ShouldThrow <ArgumentException>();
Action ab = () => s.AddCompany(String.Empty);
ab.ShouldThrow <ArgumentException>();
ICompany c1 = s.AddCompany("SNCF");
c1.City.Should().BeSameAs(s);
c1.Name.Should().BeEquivalentTo("SNCF");
Action a1 = () => s.AddCompany("SNCF");
a1.ShouldThrow <ArgumentException>();
ICompany c2 = s.AddCompany("RATP");
c2.City.Should().BeSameAs(s);
c2.Name.Should().BeEquivalentTo("RATP");
Action a2 = () => s.AddCompany("RATP");
a2.ShouldThrow <ArgumentException>();
c2.GetType().GetConstructors(BindingFlags.Instance | BindingFlags.Public).Should().BeEmpty("Company must not expose any public constructors.");
c2.GetType().GetProperty("Name").GetSetMethod().Should().BeNull("Company.Name must NOT be writeable.");
c2.GetType().GetProperty("City").GetSetMethod().Should().BeNull("Company.City must NOT be writeable.");
}
public void T5_line_can_have_mutiple_trains()
{
ICity s1 = CityFactory.CreateCity("Paris");
ICompany c1 = s1.AddCompany("SNCF");
ILine l1 = s1.AddLine("RER A");
ITrain t1 = c1.AddTrain("RER1");
ITrain t2 = c1.AddTrain("RER2");
t1.AssignTo(l1);
t2.AssignTo(l1);
l1.Trains.Count().Should().Be(2);
l1.Trains.Contains(t1).Should().BeTrue();
l1.Trains.Contains(t2).Should().BeTrue();
t1.AssignTo(null);
l1.Trains.Single().Should().BeSameAs(t2);
}
public void T2_when_a_train_is_assigned_to_a_line_he_losts_its_previous_line()
{
ICity s = CityFactory.CreateCity("Paris");
ICompany c = s.AddCompany("SNCF");
ILine l1 = s.AddLine("RER A");
ILine l2 = s.AddLine("RER B");
ITrain t1 = c.AddTrain("RER1");
t1.AssignTo(l1);
t1.Assignment.Should().BeSameAs(l1);
t1.AssignTo(l2);
t1.Assignment.Should().BeSameAs(l2);
l1.Trains.Count().Should().Be(0);
l2.Trains.Single().Should().BeSameAs(t1);
}
public void T4_assigning_a_train_to_a_null_line_removes_its_assignment()
{
ICity s1 = CityFactory.CreateCity("Paris");
ICompany c1 = s1.AddCompany("SNCF");
ILine l1 = s1.AddLine("RER A");
ITrain t1 = c1.AddTrain("RER1");
Action a1 = () => t1.AssignTo(null);
a1.ShouldNotThrow();
t1.AssignTo(l1);
t1.Assignment.Should().BeSameAs(l1);
t1.AssignTo(null);
t1.Assignment.Should().BeNull();
l1.Trains.Count().Should().Be(0);
}
public void T3_trains_and_lines_must_belong_to_the_same_city()
{
ICity s1 = CityFactory.CreateCity("Paris");
ICompany c1 = s1.AddCompany("SNCF");
ILine l1 = s1.AddLine("RER A");
ITrain t1 = c1.AddTrain("RER1");
ICity s2 = CityFactory.CreateCity("Lyon");
ICompany c2 = s2.AddCompany("SNCF");
ILine l2 = s2.AddLine("RER A");
ITrain t2 = c2.AddTrain("RER1");
Action a1 = () => t1.AssignTo(l1);
Action a2 = () => t1.AssignTo(l2);
a1.ShouldNotThrow();
a2.ShouldThrow <ArgumentException>();
}
public void T1_trains_can_be_assigned_to_a_line()
{
ICity s = CityFactory.CreateCity("Paris");
ICompany c = s.AddCompany("SNCF");
ITrain t1 = c.AddTrain("RER1");
ITrain t2 = c.AddTrain("RER2");
t1.Assignment.Should().BeNull();
t2.Assignment.Should().BeNull();
ILine l = s.AddLine("RER A");
t1.AssignTo(l);
t1.Assignment.Should().BeSameAs(l);
t2.Assignment.Should().BeNull();
l.Trains.Count().Should().Be(1);
l.Trains.Single().Should().BeSameAs(t1);
}
