public void ThrowsArgumentNullException_WhenFileUtils_IsNull()
{
// Arrange
var tracksServiceFake = new Mock <ITracksService>();
var challengesServiceFake = new Mock <IChallengesService>();
var mapperFake = new Mock <IMappingProvider>();
var fileSystemFake = new Mock <IFileSystemService>();
IFileUnits fileUtils = null;
// Act & Assert
Assert.Throws <ArgumentNullException>(() => new ChallengeController(
tracksServiceFake.Object,
challengesServiceFake.Object,
fileSystemFake.Object,
mapperFake.Object,
fileUtils));
}
public ChallengeController(
ITracksService tracks,
IChallengesService challenges,
IFileSystemService fileSystem,
IMappingProvider mapper,
IFileUnits fileUtils)
{
Guard.WhenArgument(tracks, nameof(tracks)).IsNull().Throw();
Guard.WhenArgument(mapper, nameof(mapper)).IsNull().Throw();
Guard.WhenArgument(challenges, nameof(challenges)).IsNull().Throw();
Guard.WhenArgument(fileSystem, nameof(fileSystem)).IsNull().Throw();
Guard.WhenArgument(fileUtils, nameof(fileUtils)).IsNull().Throw();
this.tracks = tracks;
this.mapper = mapper;
this.challenges = challenges;
this.fileSystem = fileSystem;
this.fileUtils = fileUtils;
}