public void ShouldBeAbleToRetrieveMultipleIndirectCycleTakingOrderIntoAccount()
{
//GIVEN
var cache = new NamespacesDependenciesCache();
var namespace1 = new NamespaceName("a");
var namespace2 = new NamespaceName("b");
var namespace3 = new NamespaceName("c");
var namespace4 = new NamespaceName("d");
cache.AddMapping(namespace1, namespace2);
cache.AddMapping(namespace2, namespace1);
cache.AddMapping(namespace1, namespace3);
cache.AddMapping(namespace3, namespace4);
cache.AddMapping(namespace4, namespace1);
//WHEN
var cycles = cache.RetrieveCycles();
//THEN
cycles[0].Should().Be(NamespaceDependencyPath.With(
namespace1,
namespace2,
namespace1
));
cycles[1].Should().Be(NamespaceDependencyPath.With(
namespace1,
namespace3,
namespace4,
namespace1
));
cycles.Should().HaveCount(2);
}
public void ShouldReturnNoCyclesWhenNoMappingsWereAdded()
{
//GIVEN
var cache = new NamespacesDependenciesCache();
//WHEN
var cycles = cache.RetrieveCycles();
//THEN
cycles.Should().BeEmpty();
}
public void ShouldReturnNoCyclesWhenMappingExistsBetweenANamespaceAndItself()
{
//GIVEN
var cache = new NamespacesDependenciesCache();
var namespace1 = Any.Instance <NamespaceName>();
cache.AddMapping(namespace1, namespace1);
//WHEN
var cycles = cache.RetrieveCycles();
//THEN
cycles.Should().BeEmpty();
}
public void ShouldReturnNoCyclesWhenMappingsAddedDoNotMakeTheCycle()
{
//GIVEN
var cache = new NamespacesDependenciesCache();
var namespace1 = Any.Instance <NamespaceName>();
var namespace2 = Any.Instance <NamespaceName>();
var namespace3 = Any.Instance <NamespaceName>();
cache.AddMapping(namespace1, namespace2);
cache.AddMapping(namespace2, namespace3);
//WHEN
var cycles = cache.RetrieveCycles();
//THEN
cycles.Should().BeEmpty();
}
public void ShouldBeAbleToRetrieveSingleDirectCycle()
{
//GIVEN
var cache = new NamespacesDependenciesCache();
var namespace1 = new NamespaceName("a");
var namespace2 = new NamespaceName("b");
cache.AddMapping(namespace1, namespace2);
cache.AddMapping(namespace2, namespace1);
//WHEN
var cycles = cache.RetrieveCycles();
//THEN
cycles.Single().Should().Be(new NamespaceDependencyPath(
new List <NamespaceName>
{
namespace1,
namespace2,
namespace1
}.ToImmutableList()));
}
