public void Register_ServiceAlreadyRegisteredUnderDifferentType_DoesNotThrow()
{
// arrange
var sut = new CommandServices();
var service = new SampleService();
sut.Register <ISuperSampleService>(service);
// act
sut.Register <ISampleService>(service);
}
public void Register_TypeAlreadyUsed_ThrowsException()
{
// arrange
var sut = new CommandServices();
var service1 = new SampleService();
var service2 = new SampleService();
sut.Register(service1);
Action sutAction = () => sut.Register(service2);
// act, assert
var ex = Assert.Throws <InvalidOperationException>(sutAction);
Assert.Contains("The service type Chel.UnitTests.Services.SampleService has already been registered", ex.Message);
}
public void Register_BaseInterfaceTypeUsed_DoesNotThrow()
{
// arrange
var sut = new CommandServices();
var service = new SampleService();
// act
sut.Register <ISuperSampleService>(service);
}
public void Register_ObjectInstanceProvided_DoesNotThrow()
{
// arrange
var sut = new CommandServices();
var service = new SampleService();
// act
sut.Register(service);
}
public void Register_ServiceIsNull_ThrowsException()
{
// arrange
var sut = new CommandServices();
Action sutAction = () => sut.Register <object>(null);
// act, assert
var ex = Assert.Throws <ArgumentNullException>(sutAction);
Assert.Equal("service", ex.ParamName);
}
public void ResolveGeneric_ServiceIsRegistered_ReturnsService()
{
// arrange
var sut = new CommandServices();
var service = new SampleService();
sut.Register(service);
// act
var resolvedService = sut.Resolve <SampleService>();
// assert
Assert.Same(service, resolvedService);
}
public void Resolve_UseInterfaceType_ReturnsService()
{
// arrange
var sut = new CommandServices();
var service = new SampleService();
sut.Register <ISampleService>(service);
// act
var resolvedService = sut.Resolve(typeof(ISampleService));
// assert
Assert.Same(service, resolvedService);
}
