public void SortDirectory_ImagesExist_OpensImages()
{
// Arrange
var directory = "C:\\images";
var files = new string[] { "image1.jpg", "image2.jpg" };
var images = new IImage[] { Fake.Image(), Fake.Image() };
var options = Fake.Options();
var rotator = Fake.ImageRotator();
var factory = Fake.ImageFactory(images);
var fileSystem = Fake.FileSystem(files);
var sorter = new DirectorySorter(rotator, factory, fileSystem);
// Act
sorter.SortDirectory(directory, options);
// Assert
factory.Received(1).OpenImage(Arg.Is(files[0]));
factory.Received(1).OpenImage(Arg.Is(files[1]));
}
public void SortDirectory_DirectoryDoesNotExist_ThrowsDirectoryNotFoundException()
{
// Arrange
var dir = "C:\\Images";
var sorter = new DirectorySorter(Fake.ImageRotator(), Fake.ImageFactory(), Fake.FileSystem(null));
// Act, Assert
Assert.Throws <DirectoryNotFoundException>(() => sorter.SortDirectory(dir, Fake.Options()));
}
public void SortDirectory_NoDirectoryProvided_ThrowsArgumentException([Values("", " ", null)] string dir)
{
// Arrange
var sorter = new DirectorySorter(Fake.ImageRotator(), Fake.ImageFactory(), Fake.FileSystem(Enumerable.Empty <string>()));
// Act, Assert
Assert.Throws <ArgumentException>(() => sorter.SortDirectory(dir, Fake.Options()));
}