public void AppLogFile_Write_Zero()
{
string folder = TestFolder;
AppLogFile logFile = null;
Helper.CreateFolderTree(folder);
try
{
// Verify that committing a log with no records deletes
// the file.
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
logFile.Close();
logFile = null;
Assert.AreEqual(0, Directory.GetFiles(folder, "*.new").Length);
Assert.AreEqual(0, Directory.GetFiles(folder, "*.log").Length);
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
public void AppLogFile_Peek_TwoRecords()
{
string folder = TestFolder;
AppLogFile logFile = null;
AppLogRecord r;
Helper.CreateFolderTree(folder);
try
{
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
r = new AppLogRecord();
r.Add("index", "0");
logFile.Write(r);
r = new AppLogRecord();
r.Add("index", "1");
logFile.Write(r);
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
r = logFile.Peek();
Assert.AreEqual("0", (string)r["index"]);
r = logFile.Peek();
Assert.AreEqual("0", (string)r["index"]);
r = logFile.Read();
Assert.AreEqual("0", (string)r["index"]);
r = logFile.Peek();
Assert.AreEqual("1", (string)r["index"]);
r = logFile.Read();
Assert.AreEqual("1", (string)r["index"]);
Assert.IsNull(logFile.Peek());
Assert.IsNull(logFile.Read());
logFile.Close();
logFile = null;
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
public void AppLogFile_ReadDelete()
{
string folder = TestFolder;
AppLogFile logFile = null;
AppLogRecord r;
Helper.CreateFolderTree(folder);
try
{
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
for (int i = 0; i < 2; i++)
{
r = new AppLogRecord();
r.Add("Index", i.ToString());
logFile.Write(r);
}
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
r = logFile.ReadDelete();
Assert.AreEqual(0, int.Parse((string)r["index"]));
r = logFile.Read();
Assert.AreEqual(1, int.Parse((string)r["index"]));
Assert.IsNull(logFile.Read());
Assert.IsNull(logFile.Read());
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
r = logFile.Read();
Assert.AreEqual(1, int.Parse((string)r["index"]));
logFile.Close();
logFile = null;
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
public void AppLogFile_ReadWrite_50()
{
string folder = TestFolder;
AppLogFile logFile = null;
AppLogRecord r;
Helper.CreateFolderTree(folder);
try
{
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
for (int i = 0; i < 50; i++)
{
r = new AppLogRecord();
r.Add("Index", i.ToString());
r.Add("Foo", "Bar: " + i.ToString());
logFile.Write(r);
}
Assert.AreEqual(50, logFile.WriteCount);
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
for (int i = 0; i < 50; i++)
{
r = logFile.Read();
Assert.AreEqual(i, int.Parse((string)r["index"]));
Assert.AreEqual("Bar: " + i.ToString(), (string)r["FOO"]);
Assert.AreEqual("my schema", r.SchemaName);
Assert.AreEqual(new Version("1.2.3.4"), r.SchemaVersion);
}
Assert.IsNull(logFile.Read());
Assert.IsNull(logFile.Read());
logFile.Close();
logFile = null;
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
public void AppLogFile_Peek_OneRecord()
{
string folder = TestFolder;
AppLogFile logFile = null;
AppLogRecord rRead, rWrite;
Helper.CreateFolderTree(folder);
try
{
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
rWrite = new AppLogRecord();
rWrite.Add("index", "0");
logFile.Write(rWrite);
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
rRead = logFile.Peek();
Assert.AreEqual(rWrite, rRead);
Assert.AreEqual("my schema", rRead.SchemaName);
Assert.AreEqual(new Version("1.2.3.4"), rRead.SchemaVersion);
rRead = logFile.Peek();
Assert.AreEqual(rWrite, rRead);
Assert.AreEqual("my schema", rRead.SchemaName);
Assert.AreEqual(new Version("1.2.3.4"), rRead.SchemaVersion);
rRead = logFile.Read();
Assert.AreEqual(rWrite, rRead);
Assert.AreEqual("my schema", rRead.SchemaName);
Assert.AreEqual(new Version("1.2.3.4"), rRead.SchemaVersion);
Assert.IsNull(logFile.Peek());
Assert.IsNull(logFile.Read());
logFile.Close();
logFile = null;
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
private void Button_OutputSelectedLog_OnClick(object sender, RoutedEventArgs e)
{
var x = new AppLogFile(string.Empty);
var file = Path.Combine(TextBox_Folder.Text, "output.txt");
foreach (AppLogData item in DataGrid.SelectedItems)
{
x.Add(item);
}
x.WriteToFile(file);
FileSystemUtility.OpenFile(file);
}
public void AppLogFile_ReadWrite_LargeFields()
{
string folder = TestFolder;
AppLogFile logFile = null;
AppLogRecord rWrite, rRead;
byte[] arr;
Helper.CreateFolderTree(folder);
try
{
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
arr = new byte[4096];
for (int i = 0; i < arr.Length; i++)
{
arr[i] = (byte)i;
}
rWrite = new AppLogRecord();
rWrite.Add("Foo", new string('x', 4096));
rWrite.Add("Bar", arr);
logFile.Write(rWrite);
Assert.AreEqual(1, logFile.WriteCount);
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
rRead = logFile.Read();
Assert.IsTrue(rWrite.Equals(rRead));
Assert.AreEqual("my schema", rRead.SchemaName);
Assert.AreEqual(new Version("1.2.3.4"), rRead.SchemaVersion);
Assert.IsNull(logFile.Read());
Assert.IsNull(logFile.Read());
logFile.Close();
logFile = null;
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
public void AppLogFile_LargeField()
{
string folder = TestFolder;
AppLogFile logFile = null;
AppLogRecord rWrite, rRead;
byte[] data;
data = new byte[2 * 1024 * 1024];
for (int i = 0; i < data.Length; i++)
{
data[i] = (byte)i;
}
Helper.CreateFolderTree(folder);
try
{
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
rWrite = new AppLogRecord();
rWrite.Add("data", data);
logFile.Write(rWrite);
Assert.AreEqual(1, logFile.WriteCount);
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
rRead = logFile.Read();
Assert.IsTrue(rWrite.Equals(rRead));
CollectionAssert.AreEqual(data, (byte[])rRead["data"]);
Assert.IsNull(logFile.Read());
Assert.IsNull(logFile.Read());
logFile.Close();
logFile = null;
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
public void AppLogFile_ReadWrite_4096Fields()
{
string folder = TestFolder;
AppLogFile logFile = null;
AppLogRecord rWrite, rRead;
Helper.CreateFolderTree(folder);
try
{
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
rWrite = new AppLogRecord();
for (int i = 0; i < 4096; i++)
{
rWrite.Add(i.ToString(), i.ToString());
}
logFile.Write(rWrite);
Assert.AreEqual(1, logFile.WriteCount);
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
rRead = logFile.Read();
Assert.IsTrue(rWrite.Equals(rRead));
Assert.AreEqual("my schema", rRead.SchemaName);
Assert.AreEqual(new Version("1.2.3.4"), rRead.SchemaVersion);
Assert.IsNull(logFile.Read());
Assert.IsNull(logFile.Read());
logFile.Close();
logFile = null;
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
public void AppLogFile_ReadWrite_ByteArray()
{
string folder = TestFolder;
AppLogFile logFile = null;
AppLogRecord rWrite, rRead;
Helper.CreateFolderTree(folder);
try
{
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
rWrite = new AppLogRecord();
rWrite.Add("Foo", new byte[] { 0, 1, 2, 3 });
rWrite.Add("Bar", new byte[] { 5, 6, 7, 8 });
logFile.Write(rWrite);
Assert.AreEqual(1, logFile.WriteCount);
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
rRead = logFile.Read();
Assert.IsTrue(rWrite.Equals(rRead));
Assert.AreEqual("my schema", rRead.SchemaName);
Assert.AreEqual(new Version("1.2.3.4"), rRead.SchemaVersion);
Assert.IsNull(logFile.Read());
Assert.IsNull(logFile.Read());
logFile.Close();
logFile = null;
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
public void AppLogFile_CreateDate()
{
string folder = TestFolder;
AppLogFile logFile = null;
AppLogRecord r;
DateTime now;
Helper.CreateFolderTree(folder);
try
{
now = DateTime.UtcNow;
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
r = new AppLogRecord();
r.Add("Foo", "Bar");
logFile.Write(r);
Assert.AreEqual(1, logFile.WriteCount);
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
Assert.IsTrue(now - TimeSpan.FromSeconds(2) <= logFile.CreateDate && logFile.CreateDate <= now + TimeSpan.FromSeconds(2));
logFile.Close();
logFile = null;
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
public void AppLogFile_Position_Bad()
{
string folder = TestFolder;
AppLogFile logFile = null;
string[] positions;
AppLogRecord r;
Helper.CreateFolderTree(folder);
try
{
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
positions = new string[50];
for (int i = 0; i < positions.Length; i++)
{
r = new AppLogRecord();
r.Add("Index", i.ToString());
logFile.Write(r);
}
Assert.AreEqual(50, logFile.WriteCount);
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
for (int i = 0; i < 50; i++)
{
positions[i] = logFile.Position;
r = logFile.Read();
Assert.AreEqual(i, int.Parse((string)r["index"]));
}
for (int i = 49; i >= 0; i--)
{
logFile.Position = positions[i];
r = logFile.Read();
Assert.AreEqual(i, int.Parse((string)r["index"]));
}
// Verify that seeking to an invalid position in the
// log file throws an exception.
try
{
logFile.Position = (int.Parse(positions[1]) + 1).ToString();
Assert.Fail("Expected a LogException");
}
catch (Exception e)
{
Assert.AreEqual(typeof(ArgumentException).Name, e.GetType().Name);
}
logFile.Close();
logFile = null;
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
public void AppLogFile_Position()
{
string folder = TestFolder;
AppLogFile logFile = null;
string[] positions;
AppLogRecord r;
Helper.CreateFolderTree(folder);
try
{
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
positions = new string[50];
for (int i = 0; i < positions.Length; i++)
{
r = new AppLogRecord();
r.Add("Index", i.ToString());
logFile.Write(r);
}
Assert.AreEqual(50, logFile.WriteCount);
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
// Verify that we can seek to all records.
for (int i = 0; i < 50; i++)
{
positions[i] = logFile.Position;
r = logFile.Read();
Assert.AreEqual(i, int.Parse((string)r["index"]));
}
for (int i = 49; i >= 0; i--)
{
logFile.Position = positions[i];
r = logFile.Read();
Assert.AreEqual(i, int.Parse((string)r["index"]));
}
// Verify that read after seek to a deleted record
// returns the record after the deleted one.
logFile.Position = positions[25];
r = logFile.ReadDelete();
Assert.AreEqual(25, int.Parse((string)r["index"]));
logFile.Position = positions[25];
r = logFile.ReadDelete();
Assert.AreEqual(26, int.Parse((string)r["index"]));
// Verify that seek("END") actually goes to the end
logFile.Position = "END";
Assert.IsNull(logFile.Read());
logFile.Close();
logFile = null;
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
public void AppLogFile_ReadDelete_All()
{
string folder = TestFolder;
AppLogFile logFile = null;
AppLogRecord r;
Helper.CreateFolderTree(folder);
try
{
logFile = new AppLogFile();
logFile.Create(folder + "\\test.new", AppLog.DefBufferSize, "my schema", new Version("1.2.3.4"));
for (int i = 0; i < 2; i++)
{
r = new AppLogRecord();
r.Add("Index", i.ToString());
logFile.Write(r);
}
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
r = logFile.ReadDelete();
Assert.AreEqual(0, int.Parse((string)r["index"]));
r = logFile.Read();
Assert.AreEqual(1, int.Parse((string)r["index"]));
Assert.IsNull(logFile.Read());
Assert.IsNull(logFile.Read());
logFile.Close();
logFile = null;
logFile = new AppLogFile();
logFile.Open(folder + "\\test.log", AppLog.DefBufferSize);
r = logFile.ReadDelete();
Assert.AreEqual(1, int.Parse((string)r["index"]));
logFile.Close();
logFile = null;
// Verify that the log file was deleted when all all
// records were marked for deletion.
Assert.AreEqual(0, Directory.GetFiles(folder, "*.new").Length);
Assert.AreEqual(0, Directory.GetFiles(folder, "*.log").Length);
}
finally
{
if (logFile != null)
{
logFile.Close();
}
}
DeleteFolder(folder);
}
