public async Task AddImage_should_create_if_folder_absent()
{
var fileSystem = new MockFileSystem();
_cache = new DirectoryImageCache(_folderPath, 2, fileSystem);
fileSystem.Directory.Exists(_folderPath).Should().BeFalse();
using (var s = new MemoryStream())
{
await _cache.AddImageAsync("file", s);
}
fileSystem.Directory.Exists(_folderPath).Should().BeTrue();
}
public async Task AddImage_should_create_image_from_stream()
{
var currentFolder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var folderPath = Path.Combine(currentFolder, "Images");
using (var imageStream = new MemoryStream())
{
var fileSystem = new FileSystem();
Resources.User.Save(imageStream, ImageFormat.Png);
imageStream.Position = 0;
_cache = new DirectoryImageCache(folderPath, 2, fileSystem);
fileSystem.Directory.Exists(_folderPath).Should().BeFalse();
await _cache.AddImageAsync("file.png", imageStream);
fileSystem.Directory.Exists(folderPath).Should().BeTrue();
fileSystem.File.Exists(Path.Combine(folderPath, "file.png")).Should().BeTrue();
}
}
public async Task AddImage_should_raise_invalidate()
{
var currentFolder = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var folderPath = Path.Combine(currentFolder, "Images");
using (var imageStream = new MemoryStream())
{
var fileSystem = new FileSystem();
Resources.User.Save(imageStream, ImageFormat.Png);
imageStream.Position = 0;
bool eventRaised = false;
_cache = new DirectoryImageCache(folderPath, 2, fileSystem);
_cache.Invalidated += (s, e) => eventRaised = true;
await _cache.AddImageAsync("file.png", imageStream);
eventRaised.Should().BeTrue();
}
}
public async Task AddImage_should_exit_if_stream_null()
{
await _cache.AddImageAsync("file", null);
_directory.DidNotReceive().Exists(_folderPath);
}