public void CreateInstanceWithBind_OverwriteBind_GivesProperInstance()
{
// Arrange
ServiceLocator.Bind <IMultipleImplementations, ImplementationOne>();
try
{
// Act
var instance = ServiceLocator.CreateInstance <IMultipleImplementations>();
// Assert
Assert.IsType <ImplementationOne>(instance);
// Rearrange
ServiceLocator.Bind <IMultipleImplementations, ImplementationTwo>();
// Act
instance = ServiceLocator.CreateInstance <IMultipleImplementations>();
// Assert
Assert.IsType <ImplementationTwo>(instance);
}
finally
{
ServiceLocator.Unbind <IMultipleImplementations>();
}
}
public void CreateInstance_UsingUnimplementedKey_Throws()
{
// Arrange
var locator = new ServiceLocator <LocatorKey, IPartlyImplemented>();
// Act && Assert
Assert.Throws <ArgumentException>(() => locator.CreateInstance(LocatorKey.Unimplemented));
}
public void CreateInstanceWithPredicate_PredicateResultsInSingleImplementation_GivesInstance()
{
// Act
var algorithm = ServiceLocator.CreateInstance <IHashingAlgorithm>(algo => algo.IsThisAlgorithm("md5"));
// Assert
Assert.NotNull(algorithm);
Assert.IsType <MD5>(algorithm);
}
public void CreateInstance_InterfaceHasOneImplementation_GivesInstance()
{
// Act
var instance = ServiceLocator.CreateInstance <IImplementation>();
// Assert
Assert.NotNull(instance);
Assert.IsType <Implementation>(instance);
}
public void CreateInstanceWithoutGenerics_InterfaceHasOneImplementation_GivesInstance()
{
// Act
var instance = ServiceLocator.CreateInstance(typeof(IObjectImplementation));
// Assert
Assert.NotNull(instance);
Assert.IsType <ObjectImplementation>(instance);
}
public void Correctly_Constructs_Instance_With_Key()
{
InfrastructureDependencyRegistrar.RegisterInfrastructure();
IServiceLocator serviceLocator = new ServiceLocator();
var instance = serviceLocator.CreateInstance <IDatabaseActionExecutor>("Create");
Assert.That(instance, Is.Not.Null);
}
public void Correctly_Constructs_Instance()
{
InfrastructureDependencyRegistrar.RegisterInfrastructure();
IServiceLocator serviceLocator = new ServiceLocator();
var instance = serviceLocator.CreateInstance <IResourceFileLocator>();
Assert.That(instance, Is.Not.Null);
}
public void Correctly_Constructs_Instance_With_Key()
{
InfrastructureDependencyRegistrar.RegisterInfrastructure();
IServiceLocator serviceLocator = new ServiceLocator();
var instance = serviceLocator.CreateInstance<IDatabaseActionExecutor>("Create");
Assert.That(instance, Is.Not.Null);
}
public void Correctly_Constructs_Instance()
{
InfrastructureDependencyRegistrar.RegisterInfrastructure();
IServiceLocator serviceLocator = new ServiceLocator();
var instance = serviceLocator.CreateInstance<IResourceFileLocator>();
Assert.That(instance, Is.Not.Null);
}
public void CreateInstance_UsingClassType_GivesInstance()
{
// Act
var instance = ServiceLocator.CreateInstance <Implementation>();
// Assert
Assert.NotNull(instance);
Assert.IsType <Implementation>(instance);
}
public void CreateInstance_UsingValidKey_GivesInstance()
{
// Arrange
var locator = new ServiceLocator <LocatorKey, IPartlyImplemented>();
// Act
var instance = locator.CreateInstance(LocatorKey.Implemented);
// Assert
Assert.NotNull(instance);
Assert.IsType <Implemented>(instance);
}
public void CreateInstanceWithBind_InterfaceHasMultipleImplementations_GivesInstance()
{
// Arrange
ServiceLocator.Bind <IMultipleImplementations, ImplementationOne>();
try
{
// Act
var instance = ServiceLocator.CreateInstance <IMultipleImplementations>();
// Assert
Assert.IsType <ImplementationOne>(instance);
}
finally
{
ServiceLocator.Unbind <IMultipleImplementations>();
}
}
public void CreateInstanceWithBindAndUnbind_InterfaceHasMultipleImplementations_Throws()
{
// Arrange
ServiceLocator.Bind <IMultipleImplementations, ImplementationOne>();
// Act
var instance = ServiceLocator.CreateInstance <IMultipleImplementations>();
// Assert
Assert.IsType <ImplementationOne>(instance);
// Rearrange
ServiceLocator.Unbind <IMultipleImplementations>();
// Act && Assert
Assert.Throws <ArgumentException>(() => ServiceLocator.CreateInstance <IMultipleImplementations>());
}
public void CreateInstance_ImplementationHasNoEmptyConstructor_Throws()
{
// Act && Assert
Assert.Throws <ArgumentException>(() => ServiceLocator.CreateInstance <ImplementationWithoutEmptyConstructor>());
}
public void CreateInstanceWithPredicate_PredicateResultsInNoImplementations_Throws()
{
// Act && Assert
Assert.Throws <ArgumentException>(() => ServiceLocator.CreateInstance <IHashingAlgorithm>(algo => algo.IsThisAlgorithm("sha256")));
}
public void CreateInstance_InterfaceHasMultipleImplementations_Throws()
{
// Act && Assert
Assert.Throws <ArgumentException>(() => ServiceLocator.CreateInstance <IMultipleImplementations>());
}
public void CreateInstanceWithPredicate_PredicateResultsInMultipleImplementations_Throws()
{
// Act && Assert
Assert.Throws <ArgumentException>(() => ServiceLocator.CreateInstance <IHashingAlgorithm>(algo => true));
}
