public void File_remove_removes_file_and_publishes_event()
{
// Arrange
FakeFileStorage fileStorage = new FakeFileStorage();
FakeFileRepository fileRepository = new FakeFileRepository();
FakeEventPublisher eventPublisher = new FakeEventPublisher();
FakeCurrentUser currentUser = new FakeCurrentUser();
File file = new ExampleFileFactory().CreateFile();
fileRepository.Save(file);
fileStorage.SaveFile(file, Stream.Null);
currentUser.Id = file.Owner.Id;
var commandHandler = new DeleteFileCommandHandler(fileStorage, currentUser, fileRepository, eventPublisher);
var command = new DeleteFileCommand("fileId");
// Act
commandHandler.Handle(command);
// Assert
Assert.IsNull(fileRepository.GetById("fileId"));
Assert.False(fileStorage.Exists(file));
File publishedEvent = eventPublisher.VerifyPublishedOnce <File>();
Assert.AreEqual(file, publishedEvent);
}
public async Task Handle_Invalid_Throws()
{
// arrange
var id = new Guid("a87887ec-df44-4607-9e6f-28f361670f9b");
var request = new DeleteFileCommand(id);
var repositoryMock = new Mock <IRepository <File> >();
repositoryMock.Setup(x => x.Delete(It.IsAny <Guid>(), CancellationToken.None)).ThrowsAsync(new Exception());
var handler = new DeleteFileCommandHandler(repositoryMock.Object);
// act
await Assert.ThrowsAsync <DeleteException>(() => handler.Handle(request, CancellationToken.None));
// assert
repositoryMock.Verify(x => x.Delete(It.IsAny <Guid>(), CancellationToken.None), Times.Once);
repositoryMock.VerifyNoOtherCalls();
}
public void File_can_be_removed_only_by_owner()
{
// Arrange
FakeFileStorage fileStorage = new FakeFileStorage();
FakeFileRepository fileRepository = new FakeFileRepository();
FakeEventPublisher eventPublisher = new FakeEventPublisher();
FakeCurrentUser currentUser = new FakeCurrentUser();
File file = new ExampleFileFactory().CreateFile();
fileRepository.Save(file);
fileStorage.SaveFile(file, Stream.Null);
currentUser.Id = "otherUserId";
var commandHandler = new DeleteFileCommandHandler(fileStorage, currentUser, fileRepository, eventPublisher);
var command = new DeleteFileCommand("fileId");
// Assert & Act
Assert.Throws <PermissionException>(() => commandHandler.Handle(command));
}
public async Task Handle_Valid_Deletes()
{
// arrange
var id = new Guid("a87887ec-df44-4607-9e6f-28f361670f9b");
var request = new DeleteFileCommand(id);
var inputGuidToAssert = Guid.Empty;
var repositoryMock = new Mock <IRepository <File> >();
var insertSetup = repositoryMock.Setup(x => x.Delete(It.IsAny <Guid>(), CancellationToken.None));
insertSetup.Callback((Guid guid, CancellationToken token) => inputGuidToAssert = guid);
var handler = new DeleteFileCommandHandler(repositoryMock.Object);
// act
await handler.Handle(request, CancellationToken.None);
// assert
repositoryMock.Verify(x => x.Delete(id, CancellationToken.None), Times.Once);
repositoryMock.VerifyNoOtherCalls();
Assert.Equal(id, inputGuidToAssert);
}
public DeleteFileCommandHandlerTests()
{
_fileRepositoryMock = new Mock <IFileRepository>();
_fileSystemServiceMock = new Mock <IFileSystemService>();
_handler = new DeleteFileCommandHandler(_fileRepositoryMock.Object, _fileSystemServiceMock.Object);
}
