public void Test_ReadAll_Push_in_DB(string filename)
{
try
{
string textFromFile = BaseFileWorker.ReadAll(filename);
byte[] fileContent = Encoding.ASCII.GetBytes(textFromFile);
string filenameTxtFromDB;
byte[] fileContentFromDB;
Assert.IsTrue(storageDatabase.AddFile(filename, fileContent),
$"The file {filename} was not added successfully");
int?fileID = storageDatabase.GetIntBySql("SELECT MAX(FileID) FROM Files");
Assert.IsTrue(storageDatabase.GetFile((int)fileID, out filenameTxtFromDB, out fileContentFromDB),
$"File {filename} not found in db, although add method returned true");
string textFromDB = Encoding.ASCII.GetString(fileContentFromDB);
Assert.AreEqual(filename, filenameTxtFromDB,
"The names of the files returned by the method and the database do not match");
Assert.AreEqual(textFromFile, textFromDB,
"The content of the files returned by the method and the database do not match");
}
catch (Exception err)
{
Assert.Fail(err.Message);
}
}
public void TestGetFile()
{
storageDatabaseUtils.ExecSql("INSERT INTO dbo.Files (FileName, FileContent) values ('filename', CONVERT(varbinary(1024), 'sorry for what?'));");
int fileId = (int)storageDatabaseUtils.GetIntBySql("SELECT FileID FROM dbo.Files WHERE FileName = 'filename';");
Assert.True(storageDatabaseUtils.GetFile(fileId, out string fileName, out byte[] fileContent));
Assert.Equal("filename", fileName);
Assert.Equal("sorry for what?", Encoding.UTF8.GetString(fileContent));
storageDatabaseUtils.ExecSql("DELETE FROM dbo.Files");
}
public void AddFile_WithContentFromReadLinesFirstLine_WithGetFullPath_AddsFileToDatabase()
{
// Arrange
StorageDatabaseUtils db = DatabaseHelper.ProvideStorageDatabaseUtils();
string contents = BaseFileWorker.ReadLines(FILE_STATIC_INPUT)[0];
string path = BaseFileWorker.GetFullPath(FILE_STATIC_INPUT);
var contentBytes = DEFAULT_ENCODING.GetBytes(contents);
int initialFileCountInDB = db.GetFiles(path).Rows.Count; // initial count of files with specified path
string result_fileName, result_fileContent; byte[] result_fileContentBytes;
// Act
bool result = db.AddFile(path, contentBytes);
DataTable dt = db.GetFiles(path);
var lastRow = dt.Rows[dt.Rows.Count - 1];
var lastFileId = (int)lastRow.ItemArray[0];
db.GetFile(lastFileId, out result_fileName, out result_fileContentBytes);
result_fileContent = DEFAULT_ENCODING.GetString(result_fileContentBytes);
// Assert
Assert.IsTrue(result);
Assert.AreEqual(initialFileCountInDB + 1, dt.Rows.Count);
Assert.AreEqual(path, result_fileName);
CollectionAssert.AreEqual(contentBytes, result_fileContentBytes);
Assert.AreEqual(contents, result_fileContent);
}
public void AddFile_WithContentFromLargeFile_AddsFile_But_TruncatesContent(int contentSizeBytes = MAX_CONTENT_LENGTH_BYTES)
{
// Arrange
StorageDatabaseUtils db = DatabaseHelper.ProvideStorageDatabaseUtils();
string path = InputHelper.GenerateInputFile(contentSizeBytes);
string inputContent = BaseFileWorker.ReadAll(path);
var inputContentBytes = DEFAULT_ENCODING.GetBytes(inputContent);
Console.WriteLine("Working with file " + path + "\nContent: " + inputContent);
Console.WriteLine("FileName length: " + path.Length + "\nContent length: " + inputContent.Length + "\nContent length (bytes): " + inputContentBytes.Length);
int initialFileCountInDB = db.GetFiles(path).Rows.Count; // initial count of files with specified path in DB
string result_fileName; byte[] result_fileContentBytes;
// Act
bool result = db.AddFile(path, inputContentBytes);
DataTable dt = db.GetFiles(path);
var lastRow = dt.Rows[dt.Rows.Count - 1];
var lastFileId = (int)lastRow.ItemArray[0];
db.GetFile(lastFileId, out result_fileName, out result_fileContentBytes);
// Assert
Assert.IsTrue(result); // Entry added to database successfully
Assert.AreEqual(initialFileCountInDB + 1, dt.Rows.Count); // Row count increased (new row was added)
Assert.AreEqual(path, result_fileName); // File path in DB is equal to inputs
Assert.IsTrue(inputContentBytes.Length > result_fileContentBytes.Length); // Content is being truncated because it exceeds maximum length.
}
public void GetFileErrorCheck()
{
byte[] emptyByte;
string emptyFilename;
Assert.False(sdu.GetFile(-1, out emptyFilename, out emptyByte));
}
public void DeleteFile_WithExistingPathInDB_UsingGetFullPath_DeletesEntry(int fileNameSize = -1, int contentSize = MAX_CONTENT_LENGTH_BYTES)
{
// Arrange
if (fileNameSize < 0)
{
fileNameSize = MAX_FILE_LENGTH;
}
string fileName = InputHelper.GenerateInputFile(size: contentSize, fileNameSize: fileNameSize);
string content = BaseFileWorker.ReadAll(fileName);
byte[] fileContentBytes = DEFAULT_ENCODING.GetBytes(content);
Console.WriteLine("Working with " + fileName + ".\nContent: " + content);
Console.WriteLine("FileName length: " + fileName.Length + "\nContent length: " + content.Length + "\nContent length (bytes): " + fileContentBytes.Length);
BaseFileWorker.Write(content, fileName);
string fullPath = BaseFileWorker.GetFullPath(fileName);
string result_fileName; byte[] result_fileContentBytes;
StorageDatabaseUtils db = DatabaseHelper.ProvideStorageDatabaseUtils();
db.AddFile(fullPath, fileContentBytes);
DataTable dt = db.GetFiles(fullPath);
int initialEntryCount = dt.Rows.Count;
var lastRow = dt.Rows[dt.Rows.Count - 1];
var lastFileId = (int)lastRow.ItemArray[0];
// Act
db.GetFile(lastFileId, out result_fileName, out result_fileContentBytes);
bool success = db.DeleteFile(lastFileId);
int resultEntryCount = db.GetFiles(fullPath).Rows.Count;
// Assert
Assert.IsTrue(success);
Assert.AreEqual(initialEntryCount - 1, resultEntryCount);
CollectionAssert.AreEqual(fileContentBytes, result_fileContentBytes);
// Cleanup
File.Delete(fullPath);
Console.WriteLine("File was deleted from database and from file system.");
}
public void DBGetNonExistingFile()
{
string name;
byte[] outputText;
Assert.IsFalse(storageDatabaseUtils.GetFile(0, out name, out outputText));
Assert.IsNull(name);
Assert.IsNull(outputText);
Assert.IsFalse(storageDatabaseUtils.GetFile(2021, out name, out outputText));
Assert.IsNull(name);
Assert.IsNull(outputText);
Assert.IsFalse(storageDatabaseUtils.GetFile(-2021, out name, out outputText));
Assert.IsNull(name);
Assert.IsNull(outputText);
}
public void getFileWithNoReferenceFromDBTest()
{
string filename_out;
byte[] content_out;
Assert.IsFalse(storageDatabaseUtils.GetFile(1, out filename_out, out content_out));
Assert.IsNull(filename_out);
Assert.IsNull(content_out);
Assert.IsFalse(storageDatabaseUtils.GetFile(1000, out filename_out, out content_out));
Assert.IsNull(filename_out);
Assert.IsNull(content_out);
Assert.IsFalse(storageDatabaseUtils.GetFile(0, out filename_out, out content_out));
Assert.IsNull(filename_out);
Assert.IsNull(content_out);
Assert.IsFalse(storageDatabaseUtils.GetFile(-1000, out filename_out, out content_out));
Assert.IsNull(filename_out);
Assert.IsNull(content_out);
}
public void AddFile_WithContentFromReadAll_WithGetFullPath_AddsFileToDatabase(int contentSize)
{
// Arrange
StorageDatabaseUtils db = DatabaseHelper.ProvideStorageDatabaseUtils();
string fullPath = InputHelper.GenerateInputFile(contentSize);
string contents = BaseFileWorker.ReadAll(fullPath);
var contentBytes = DEFAULT_ENCODING.GetBytes(contents);
int initialFileCountInDB = db.GetFiles(fullPath).Rows.Count; // initial count of files with path==fullPath
string result_fileName, result_fileContent; byte[] result_fileContentBytes;
// Act
bool result = db.AddFile(fullPath, contentBytes); // Add file to Database
DataTable dt = db.GetFiles(fullPath);
var lastRow = dt.Rows[dt.Rows.Count - 1];
var lastFileId = (int)lastRow.ItemArray[0];
db.GetFile(lastFileId, out result_fileName, out result_fileContentBytes);
result_fileContent = DEFAULT_ENCODING.GetString(result_fileContentBytes);
// Assert
Assert.IsTrue(result);
Assert.AreEqual(initialFileCountInDB + 1, dt.Rows.Count);
Assert.AreEqual(fullPath, result_fileName);
CollectionAssert.AreEqual(contentBytes, result_fileContentBytes);
Assert.AreEqual(contents, result_fileContent);
}