我试着从https://developerhandbook.com/unit-testing/writing-unit-tests-with-nunit-and-moq/看一下例子，但我无法弄清楚如何用WPF和Postgres来测试上传文件功能。
**我想要做的是 - 在WPF中使用上传功能而不触摸数据库来执行Moq。**现在，我坚持使用WPF类中的上传功能，其中包含与db连接的上传方法。
这是一些源代码
public static async Task<IDeviceFileViewModel> WriteDeviceFilesAsync(IDeviceFileViewModel device)
{
IDeviceFileViewModel deviceResult = device;
//check file storage path
var filestoragepath = FileSystemEngine.CheckFileSystemStoragePath(device);
//delete log file
//Trace.WriteLine(device.DeviceId);
DeleteLog("Logs", device);
foreach (var deviceFile in device.DeviceFileStatisticsModel.DeviceFiles)
{
//Start modified by Prin Sooksong 08/13/2017
//check corrupted file
MediaFile fileStats = new MediaFile(deviceFile);
var deviceFileExt = Path.GetExtension(deviceFile);
if (deviceFileExt.Equals(".WAV") || deviceFileExt.Equals(".wav"))
{
var audioStat = fileStats.Audio.FirstOrDefault();
if (audioStat != null)
{
device.DeviceFileStatisticsModel.DeviceFile = new FileInfo(deviceFile);
var tuple = await Task.Run(() => WriteDeviceAudioFileAsync(device, filestoragepath));
deviceResult.DeviceFileStatisticsModel.DeviceFileToCheckSums.Add(tuple.Item1, tuple.Item2);
}
else
{
//write log file
//var taskWriteLog = Task.Run(() => WriteLog("Logs", device, device.DeviceFileStatisticsModel.DeviceFile.Name + "\tSkipped! Corrupt File"));
WriteLog("Logs", device, device.DeviceFileStatisticsModel.DeviceFile.Name + "\tSkipped! Corrupt File");
}
}
if (deviceFileExt.Equals(".MOV") || deviceFileExt.Equals(".mov") || deviceFileExt.Equals(".MP4") || deviceFileExt.Equals(".mp4"))
{
var videoStat = fileStats.Video.FirstOrDefault();
if (videoStat != null)
{
device.DeviceFileStatisticsModel.DeviceFile = new FileInfo(deviceFile);
var tuple = await Task.Run(() => WriteDeviceVideoFileAsync(device, filestoragepath));
deviceResult.DeviceFileStatisticsModel.DeviceFileToCheckSums.Add(tuple.Item1, tuple.Item2);
}
else
{
//write log file
//var taskWriteLog = Task.Run(() => WriteLog("Logs", device, device.DeviceFileStatisticsModel.DeviceFile.Name + "\tSkipped! Corrupt File"));
WriteLog("Logs", device, device.DeviceFileStatisticsModel.DeviceFile.Name + "\tSkipped! Corrupt File");
}
}
if (deviceFileExt.Equals(".JPG") || deviceFileExt.Equals(".jpg"))
{
var pictureStat = fileStats.Image.FirstOrDefault();
if (pictureStat != null)
{
device.DeviceFileStatisticsModel.DeviceFile = new FileInfo(deviceFile);
var tuple = await Task.Run(() => WriteDevicePictureFileAsync(device, filestoragepath));
deviceResult.DeviceFileStatisticsModel.DeviceFileToCheckSums.Add(tuple.Item1, tuple.Item2);
}
else
{
//write log file
//var taskWriteLog = Task.Run(() => WriteLog("Logs", device, device.DeviceFileStatisticsModel.DeviceFile.Name + "\tSkipped! Corrupt File"));
WriteLog("Logs", device, device.DeviceFileStatisticsModel.DeviceFile.Name + "\tSkipped! Corrupt File");
}
}
//End modified by Prin Sooksong 08/13/2017
}
deviceResult.DeviceActiveStatus = false;
return deviceResult;
}
WPF可以识别文件扩展名时被欺骗的另一种方法
internal static async Task<Tuple<string, byte[]>> WriteDeviceAudioFileAsync(IDeviceFileViewModel device, string FileStoragePath)
{
var config = configurationManager.GetConfiguration<ExtractorConfiguration>();
NpgsqlConnection.MapEnumGlobally<ActivityTypes.Action>();
using (NpgsqlConnection connection = new NpgsqlConnection("Server=" + config.DatabaseSetting.Host + ";" +
"Port=" + config.DatabaseSetting.Port + ";" +
"Database=" + config.DatabaseSetting.Database + ";" +
"User Id=" + config.DatabaseSetting.UserName + ";" +
"Password=" + config.DatabaseSetting.Password + ";")
)
{
try
{
await connection.OpenAsync();
}
catch (Exception e)
{
Trace.WriteLine(e.Message);
throw e;
}
try
{
//var fileOid = await WriteFileOid(connection, device, device.DeviceFileStatisticsModel.DeviceFile);
//convert .wav to .mp3 file
Tuple<FileInfo, DirectoryInfo> transcoded = StreamEngine.TranscodeDeviceAudioFile(device.DeviceFileStatisticsModel.DeviceFile);
device.DeviceFileStatisticsModel.DeviceAudioFileTranscoded = transcoded.Item1;
device.DeviceFileStatisticsModel.DeviceAudioTranscodedDirectory = transcoded.Item2;
//write raw file to ubuntu file system
var filestoreRaw = FileStoragePath + @"\" + device.DeviceFileStatisticsModel.DeviceFile.Name;
await WriteFile(device, device.DeviceFileStatisticsModel.DeviceFile, FileStoragePath);
//var transcodedAudioFileOid = await WriteFileOid(connection, device, device.DeviceFileStatisticsModel.DeviceAudioFileTranscoded);
//write mp3 file to ubuntu file system
var filestoreMp3 = FileStoragePath + @"\" + device.DeviceFileStatisticsModel.DeviceAudioFileTranscoded.Name;
await WriteFileMP3(device, device.DeviceFileStatisticsModel.DeviceAudioFileTranscoded, FileStoragePath);
var fileChecksum = SecurityEngine.WriteFileCheckSum(device,device.DeviceFileStatisticsModel.DeviceFile);
MediaFile fileStats = new MediaFile(device.DeviceFileStatisticsModel.DeviceFile.FullName);
//MediaFile fileStats = new MediaFile(device.DeviceFileStatisticsModel.DeviceAudioFileTranscoded.FullName);
var audioStat = fileStats.Audio.FirstOrDefault();
//var audioSize = audioStat.Size;
var audioSize = fileStats.General.Size;
var durationTime = audioStat.Duration;
TimeSpan t = TimeSpan.FromMilliseconds(durationTime);
TimeSpan fileDuration = new TimeSpan(t.Hours, t.Minutes, t.Seconds);
var fileCreated = device.DeviceFileStatisticsModel.DeviceFile.CreationTime;
var fileChanged = device.DeviceFileStatisticsModel.DeviceFile.LastWriteTime;
if (fileCreated.Kind == DateTimeKind.Local)
{
fileCreated = fileCreated.ToUniversalTime();
}
else if (fileCreated.Kind == DateTimeKind.Unspecified)
{
fileCreated = fileCreated.ToLocalTime().ToUniversalTime();
}
if (fileChanged.Kind == DateTimeKind.Local)
{
fileChanged = fileChanged.ToUniversalTime();
}
else if (fileChanged.Kind == DateTimeKind.Unspecified)
{
fileChanged = fileChanged.ToLocalTime().ToUniversalTime();
}
//Trace.WriteLine(fileCreated.Kind);
//Trace.WriteLine(fileChanged.Kind);
//var fileMimeType = System.Web.MimeMapping.GetMimeMapping(device.DeviceFileStatisticsModel.DeviceFile.FullName);
var fileMimeType = getFileMimeType(device.DeviceFileStatisticsModel.DeviceFile.FullName.ToUpper());
Guid deviceUserUuid = Guid.Parse(device.DeviceUserUuId.ToString());
Guid deviceIDUuid = Guid.Parse(device.DeviceIdUuid.ToString());
Guid id = Guid.Parse(Guid.NewGuid().ToString());
byte[] bytes = Encoding.Default.GetBytes(device.DeviceId);
var deviceId = Encoding.ASCII.GetString(bytes);
Guid activityId = Guid.Parse(Guid.NewGuid().ToString());
var fileTitle = getMediaTitle(device);
var metadatainfo = MetaDataEngine.getMetaDataInfo(device);
//DoEvents();
if (metadatainfo != null)
{
var sqlInsertGrp = "INSERT INTO " +
"audios (id, created, duration, device_id, user_id, modified, checksum, file_path, file_extension, file_size,prev_file_path,mime_type,title, classification, description) " +
" VALUES (@p1, @p2, @p3, @p4, @p5, @p6, @p7, @p8, @p9, @p10, @p11, @p12::mime,@p13,@p14::classification,@p15);" +
"INSERT INTO " +
"activity (id, user_id, entity_id, user_ip, action, entity_type) " +
" VALUES (@a1, @a2, @a3, @a4, @a5, @a6);";
using (var sqlGrp = new NpgsqlCommand(sqlInsertGrp, connection))
{
//Audio part
sqlGrp.Parameters.AddWithValue("@p1", NpgsqlDbType.Uuid, id);
sqlGrp.Parameters.AddWithValue("@p2", NpgsqlDbType.Timestamp, fileCreated);
sqlGrp.Parameters.AddWithValue("@p3", NpgsqlDbType.Interval, fileDuration);
sqlGrp.Parameters.AddWithValue("@p4", NpgsqlDbType.Uuid, deviceIDUuid);
sqlGrp.Parameters.AddWithValue("@p5", NpgsqlDbType.Uuid, deviceUserUuid);
sqlGrp.Parameters.AddWithValue("@p6", NpgsqlDbType.Timestamp, fileChanged);
sqlGrp.Parameters.AddWithValue("@p7", NpgsqlDbType.Bytea, fileChecksum);
sqlGrp.Parameters.AddWithValue("@p8", NpgsqlDbType.Text, filestoreRaw);
sqlGrp.Parameters.AddWithValue("@p9", NpgsqlDbType.Text, "WAV");
sqlGrp.Parameters.AddWithValue("@p10", NpgsqlDbType.Text, audioSize);
sqlGrp.Parameters.AddWithValue("@p11", NpgsqlDbType.Text, filestoreMp3);
sqlGrp.Parameters.AddWithValue("@p12", NpgsqlDbType.Text, fileMimeType);
//audio file meta data
sqlGrp.Parameters.AddWithValue("@p13", NpgsqlDbType.Text, metadatainfo.Title);
sqlGrp.Parameters.AddWithValue("@p14", NpgsqlDbType.Text, metadatainfo.ClassificationData);
sqlGrp.Parameters.AddWithValue("@p15", NpgsqlDbType.Text, metadatainfo.Note);
//Activity part
sqlGrp.Parameters.AddWithValue("@a1", NpgsqlDbType.Uuid, activityId);
sqlGrp.Parameters.AddWithValue("@a2", NpgsqlDbType.Uuid, deviceUserUuid);
sqlGrp.Parameters.AddWithValue("@a3", NpgsqlDbType.Uuid, id);
//IPAddress ip = Dns.GetHostEntry(Dns.GetHostName())
// .AddressList.(f => f.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork);
IPAddress ip = GetIP();
var ipStr = Utf16ToUtf8(ip.ToString());
sqlGrp.Parameters.AddWithValue("@a4", NpgsqlDbType.Text, ipStr);
sqlGrp.Parameters.AddWithValue("@a5", NpgsqlDbType.Enum, ActivityTypes.Action.upload_audio);
//Start modified by Prin Sooksong 08/07/2017
sqlGrp.Parameters.AddWithValue("@a6", NpgsqlDbType.Text, "audios");
//End modified by Prin Sooksong 08/07/2017
sqlGrp.Prepare();
await sqlGrp.ExecuteNonQueryAsync();
}
}
else
{
var sqlInsertGrp = "INSERT INTO " +
"audios (id, created, duration, device_id, user_id, modified, checksum, file_path, file_extension, file_size,prev_file_path,mime_type,title) " +
" VALUES (@p1, @p2, @p3, @p4, @p5, @p6, @p7, @p8, @p9, @p10, @p11, @p12::mime,@p13);" +
"INSERT INTO " +
"activity (id, user_id, entity_id, user_ip, action, entity_type) " +
" VALUES (@a1, @a2, @a3, @a4, @a5, @a6);";
using (var sqlGrp = new NpgsqlCommand(sqlInsertGrp, connection))
{
//Audio part
sqlGrp.Parameters.AddWithValue("@p1", NpgsqlDbType.Uuid, id);
sqlGrp.Parameters.AddWithValue("@p2", NpgsqlDbType.Timestamp, fileCreated);
sqlGrp.Parameters.AddWithValue("@p3", NpgsqlDbType.Interval, fileDuration);
sqlGrp.Parameters.AddWithValue("@p4", NpgsqlDbType.Uuid, deviceIDUuid);
sqlGrp.Parameters.AddWithValue("@p5", NpgsqlDbType.Uuid, deviceUserUuid);
sqlGrp.Parameters.AddWithValue("@p6", NpgsqlDbType.Timestamp, fileChanged);
sqlGrp.Parameters.AddWithValue("@p7", NpgsqlDbType.Bytea, fileChecksum);
sqlGrp.Parameters.AddWithValue("@p8", NpgsqlDbType.Text, filestoreRaw);
sqlGrp.Parameters.AddWithValue("@p9", NpgsqlDbType.Text, "WAV");
sqlGrp.Parameters.AddWithValue("@p10", NpgsqlDbType.Text, audioSize);
sqlGrp.Parameters.AddWithValue("@p11", NpgsqlDbType.Text, filestoreMp3);
sqlGrp.Parameters.AddWithValue("@p12", NpgsqlDbType.Text, fileMimeType);
sqlGrp.Parameters.AddWithValue("@p13", NpgsqlDbType.Text, fileTitle);
//Activity part
sqlGrp.Parameters.AddWithValue("@a1", NpgsqlDbType.Uuid, activityId);
sqlGrp.Parameters.AddWithValue("@a2", NpgsqlDbType.Uuid, deviceUserUuid);
sqlGrp.Parameters.AddWithValue("@a3", NpgsqlDbType.Uuid, id);
//IPAddress ip = Dns.GetHostEntry(Dns.GetHostName())
// .AddressList.(f => f.AddressFamily == System.Net.Sockets.AddressFamily.InterNetwork);
IPAddress ip = GetIP();
var ipStr = Utf16ToUtf8(ip.ToString());
sqlGrp.Parameters.AddWithValue("@a4", NpgsqlDbType.Text, ipStr);
sqlGrp.Parameters.AddWithValue("@a5", NpgsqlDbType.Enum, ActivityTypes.Action.upload_audio);
//Start modified by Prin Sooksong 08/07/2017
sqlGrp.Parameters.AddWithValue("@a6", NpgsqlDbType.Text, "audios");
//End modified by Prin Sooksong 08/07/2017
sqlGrp.Prepare();
await sqlGrp.ExecuteNonQueryAsync();
}
}
//write file to ubuntu file system
//var filestoreRaw = FileStoragePath + @"\" + device.DeviceFileStatisticsModel.DeviceFile.Name;
//await WriteFile(device, device.DeviceFileStatisticsModel.DeviceFile, FileStoragePath);
//write file to ubuntu file system
//var filestoreMp3 = FileStoragePath + @"\" + device.DeviceFileStatisticsModel.DeviceAudioFileTranscoded.Name;
//await WriteFile(device, device.DeviceFileStatisticsModel.DeviceAudioFileTranscoded, FileStoragePath);
//delete temp mp3 file
await StreamEngine.DeleteMP3File(transcoded.Item1);
disconnected = false;
//write log file
//var taskWriteLog = Task.Run(() => WriteLog("Logs", device, device.DeviceFileStatisticsModel.DeviceFile.Name + "\tUploaded successfully"));
WriteLog("Logs", device, device.DeviceFileStatisticsModel.DeviceFile.Name + "\tUploaded successfully");
var tupleChecksum = new Tuple<string, byte[]>(device.DeviceFileStatisticsModel.DeviceFile.FullName, fileChecksum);
return tupleChecksum;
}
catch (Exception e)
{
if (e.Message.Contains("duplicate key value"))
{
device.DuplicateFileErrorCount++;
disconnected = false;
//write log file
//var taskWriteLog = Task.Run(() => WriteLog("Logs", device, device.DeviceFileStatisticsModel.DeviceFile.Name + "\tSkipped! File already exists"));
WriteLog("Logs", device, device.DeviceFileStatisticsModel.DeviceFile.Name + "\tSkipped! File already exists");
//delete duplicate file on samba server
FileSystemEngine.DeleteFile(device, FileStoragePath);
//Application.Current.Dispatcher.Invoke(DispatcherPriority.Normal, new Action(() =>
//{
// MessageBox.Show(Application.Current.MainWindow, "Duplicate file '" + device.DeviceFileStatisticsModel.DeviceFile.Name + "' found in camera '" + device.DeviceId + "'.\r\nClick OK to continue.", "", MessageBoxButton.OK, MessageBoxImage.Warning);
//}));
}
else
{
device.UnknownErrorCount++;
disconnected = true;
//write log file
//var taskWriteLog = Task.Run(() => WriteLog("Logs", device, device.DeviceFileStatisticsModel.DeviceFile.Name + "\t" + e.Message));
WriteLog("Logs", device, device.DeviceFileStatisticsModel.DeviceFile.Name + "\t" + e.Message);
//Application.Current.Dispatcher.Invoke(DispatcherPriority.Normal, new Action(() =>
//{
// MessageBox.Show(Application.Current.MainWindow, "Error with camera '" + device.DeviceId + "'.\r\nDescription : " + e.Message + ".\r\nClick OK to continue.", "", MessageBoxButton.OK, MessageBoxImage.Error);
//}));
}
var tupleChecksum = new Tuple<string, byte[]>(device.DeviceFileStatisticsModel.DeviceFile.FullName, new byte[] { });
return tupleChecksum;
}
}
}
提前致谢。
您是否尝试使用单元测试来测试UI和数据库？第一件事 - 你必须只测试应用程序逻辑 - 你必须“信任”外部库。第二件事 - 数据层和用户界面层应该相互分离 - 所以它们不应该出现在一个测试中的第三件事 - 请在函数的参数中使用接口并包装外部事物以使您的代码可测试。
例如，您可以使用流畅的nhibernate进行与DB的集成测试。对于WPF - 您不需要使用它 - 只需测试您的视图模型。
上传功能也很难测试 - 因为你需要在某处加载文件（所以IO，内存......），将其保存在某个地方，并检查文件是否在正确的位置并检查文件的内容是否相同 - 它是单元测试太多，有或没有UI和DB。
你想测试哪种逻辑？