public void SortPhoto_ValidDateTimeName_yyyymmDirectoryExist()
{
/// Description
/// Tests that it is possible to rename and sort photo if the directories exist.
/// Expectation
/// Calls renameServiceMock.FindPhotoDateTime and renameServiceMock.RenameFile exactly ONCE!
// Mock IRenameService
var renameServiceMock = new Mock <IRenameService>();
// Creates a temp directory for testing
var outputPath = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
Directory.CreateDirectory(outputPath);
// Create temp photo
var photoPath = Path.Combine(Path.GetTempPath(), Path.GetRandomFileName());
File.Create(photoPath)
.Close();
var photo = new Photo(photoPath);
var today = DateTime.Today;
var yearString = today.Year.ToString();
var monthString = today.Month.ToString("D2");
var expectedDateTime = today.ToString("yyyyMMdd_HHmmss");
var yyyymmPath = Path.Combine(outputPath, yearString, monthString);
Directory.CreateDirectory(yyyymmPath);
// Generate a temp IConfiguration object
var configuration = CreateInMemoryConfiguration(outputPath);
// Mock the IRenameService.RenameFile to create file in unknown directory
renameServiceMock.Setup(mock => mock.RenameFile(It.IsAny <string>(), It.IsAny <string>()));
// Mock the IRenameService.FindPhotoDateTime to return datetime name
renameServiceMock.Setup(mock => mock.FindPhotoDateTime(It.IsAny <Photo>(), It.IsAny <string>()))
.Returns(expectedDateTime);
// Get the mocked objects
var renameService = renameServiceMock.Object;
// Construct the sort service and get the output directories structure
var sortService = new SortService(logger, configuration, renameService);
sortService.SortPhoto(photo);
// Verify mock calls
renameServiceMock.Verify(mock => mock.RenameFile(It.IsAny <string>(), It.IsAny <string>()), Times.Once);
renameServiceMock.Verify(mock => mock.FindPhotoDateTime(It.IsAny <Photo>(), It.IsAny <string>()), Times.Once);
// Assert that unknown directory does not exist
var unknownDirectoryPath = Path.Combine(outputPath, UNKNOWN_DIRNAME);
Assert.False(Directory.Exists(unknownDirectoryPath));
}
