public void Should_return_null_when_negative_or_zero_device_id_passed(int negativeOrZeroDeviceId)
{
//Arrange
_deviceApiService = new DeviceApiService(_tenantMappingService.Object, _deviceRepository.Object);
//Act
var result = _deviceApiService.GetDeviceById(negativeOrZeroDeviceId);
//Assert
result.ShouldBeNull();
}
public void Should_return_null_when_null_is_returned_by_repository()
{
int deviceId = 3;
//Arrange
_deviceRepository.Setup(x => x.Table).Returns(new List <Device>().AsQueryable());
_deviceRepository.Setup(x => x.GetById(deviceId)).Returns(new Device());
_deviceApiService = new DeviceApiService(_tenantMappingService.Object, _deviceRepository.Object);
//Act
var result = _deviceApiService.GetDeviceById(deviceId);
//Assert
result.ShouldBeNull();
}
public void Should_return_same_device_when_device_is_returned_by_repository()
{
int deviceId = 3;
Device device = new Device()
{
Id = 3, ModelNo = "some model"
};
//Arrange
var list = new List <Device>();
list.Add(device);
_deviceRepository.Setup(x => x.Table).Returns(list.AsQueryable());
_deviceRepository.Setup(x => x.GetById(deviceId)).Returns(device);
_deviceApiService = new DeviceApiService(_tenantMappingService.Object, _deviceRepository.Object);
//Act
var result = _deviceApiService.GetDeviceById(deviceId);
//Assert
result.ShouldBeTheSameAs(device);
}