public void FlatFileListenerWillFallbackIfNotPriviledgesToWrite()
{
string fileName = @"trace.log";
string fullPath = String.Format(@"{0}\{1}", Directory.GetCurrentDirectory(), fileName);
File.Delete(fileName);
FileIOPermission fileIOPerm1 = new FileIOPermission(PermissionState.None);
fileIOPerm1.SetPathList(FileIOPermissionAccess.Read, fullPath);
fileIOPerm1.PermitOnly();
try
{
FlatFileTraceListener listener = new FlatFileTraceListener(fileName, "---header---", "***footer***",
new TextFormatter("DUMMY{newline}DUMMY"));
// need to go through the source to get a TraceEventCache
LogSource source = new LogSource("notfromconfig", new[] { listener }, SourceLevels.All);
source.TraceData(TraceEventType.Error, 0,
new LogEntry("message", "cat1", 0, 0, TraceEventType.Error, "title", null));
listener.Dispose();
}
catch (SecurityException)
{
FileIOPermission.RevertAll();
throw;
}
}
public void ListenerWithHeaderAndFooterWillUseFormatterIfExists()
{
File.Delete("tracewithheaderandfooter.log");
FlatFileTraceListener listener = new FlatFileTraceListener("tracewithheaderandfooter.log", "--------header------", "=======footer===========", new TextFormatter("DUMMY{newline}DUMMY"));
// need to go through the source to get a TraceEventCache
LogSource source = new LogSource("notfromconfig", new[] { listener }, SourceLevels.All);
source.TraceData(TraceEventType.Error, 0, new LogEntry("message", "cat1", 0, 0, TraceEventType.Error, "title", null));
listener.Dispose();
string strFileContents = GetFileContents("tracewithheaderandfooter.log");
Assert.AreEqual("--------header------" + Environment.NewLine + "DUMMY" + Environment.NewLine + "DUMMY" + Environment.NewLine + "=======footer===========" + Environment.NewLine, strFileContents);
}
public void ListenerWillFallbackToTraceEntryToStringIfFormatterDoesNotExists()
{
LogEntry testLogEntry = new LogEntry("message", "cat1", 0, 0, TraceEventType.Error, "title", null);
StreamWriter writer = new StreamWriter("trace.log");
FlatFileTraceListener listener = new FlatFileTraceListener(writer);
// need to go through the source to get a TraceEventCache
LogSource source = new LogSource("notfromconfig", new[] { listener }, SourceLevels.All);
source.TraceData(TraceEventType.Error, 0, testLogEntry);
listener.Dispose();
string strFileContents = GetFileContents("trace.log");
string testLogEntryAsString = testLogEntry.ToString();
Assert.IsTrue(-1 != strFileContents.IndexOf(testLogEntryAsString));
}
public void FlatFileListenerReplacedInexistingEnviromentVariables()
{
string fileName = @"%FOO%\%MY_VARIABLE%\foo.log";
FlatFileTraceListener listener = new FlatFileTraceListener(fileName);
listener.TraceData(new TraceEventCache(), "source", TraceEventType.Error, 1, "This is a test");
listener.Dispose();
string fileNameFromListener = string.Empty;
string expandedFileName = EnvironmentHelper.ReplaceEnvironmentVariables(fileName);
string expectedFileName = Path.GetFileName(expandedFileName);
bool result = File.Exists(expandedFileName);
Assert.IsTrue(result);
File.Delete(expandedFileName);
Assert.AreEqual(expectedFileName, expandedFileName);
}
public void FlatFileListenerReplacedEnviromentVariablesWillFallBackIfNotPrivilegesToRead()
{
string environmentVariable = "%USERPROFILE%";
string fileName = Path.Combine(environmentVariable, "foo.log");
EnvironmentPermission denyPermission = new EnvironmentPermission(PermissionState.Unrestricted);
denyPermission.Deny();
try
{
FlatFileTraceListener listener = new FlatFileTraceListener(fileName);
listener.TraceData(new TraceEventCache(), "source", TraceEventType.Error, 1, "This is a test");
listener.Dispose();
}
finally
{
EnvironmentPermission.RevertAll();
}
Assert.Fail("Permission was not denied.");
}
public void FlatFileTraceListenerMultipleWrites()
{
File.Delete("tracewithheaderandfootermultiplewrites.log");
string header = "--------header------";
int numberOfWrites = 4;
FlatFileTraceListener listener = new FlatFileTraceListener("tracewithheaderandfootermultiplewrites.log", header, "=======footer===========", new TextFormatter("DUMMY{newline}DUMMY"));
// need to go through the source to get a TraceEventCache
LogSource source = new LogSource("notfromconfig", new[] { listener }, SourceLevels.All);
for (int writeLoop = 0; writeLoop < numberOfWrites; writeLoop++)
{
source.TraceData(TraceEventType.Error, 0, new LogEntry("message", "cat1", 0, 0, TraceEventType.Error, "title", null));
}
listener.Dispose();
StreamReader reader = new StreamReader("tracewithheaderandfootermultiplewrites.log");
int headersFound = NumberOfItems("tracewithheaderandfootermultiplewrites.log", header);
Assert.AreEqual(numberOfWrites, headersFound);
}
public void FlatFileListenerReplacedEnviromentVariablesWillFallBackIfNotPrivilegesToRead()
{
string environmentVariable = "%USERPROFILE%";
string fileName = Path.Combine(environmentVariable, "foo.log");
EnvironmentPermission denyPermission = new EnvironmentPermission(PermissionState.Unrestricted);
denyPermission.Deny();
try
{
FlatFileTraceListener listener = new FlatFileTraceListener(fileName);
listener.TraceData(new TraceEventCache(), "source", TraceEventType.Error, 1, "This is a test");
listener.Dispose();
}
finally
{
EnvironmentPermission.RevertAll();
}
Assert.Fail("Permission was not denied.");
}
public static void CheckListener()
{
string environmentVariable = "%USERPROFILE%";
string fileName = Path.Combine(environmentVariable, "test.log");
FlatFileTraceListener listener = new FlatFileTraceListener(fileName);
listener.TraceData(new TraceEventCache(), "source", TraceEventType.Error, 1, "This is a test");
listener.Dispose();
}
public void FlatFileListenerReplacedEnviromentVariables()
{
string fileName = @"%USERPROFILE%\foo.log";
string fileNameFromListener = string.Empty;
FlatFileTraceListener listener = new FlatFileTraceListener(fileName);
listener.TraceData(new TraceEventCache(), "source", TraceEventType.Error, 1, "This is a test");
listener.Dispose();
string expandedFileName = EnvironmentHelper.ReplaceEnvironmentVariables(fileName);
bool result = File.Exists(expandedFileName);
Assert.IsTrue(result);
using (FileStream stream = File.Open(expandedFileName, FileMode.Open))
{
fileNameFromListener = stream.Name;
}
File.Delete(expandedFileName);
Assert.AreEqual(expandedFileName, fileNameFromListener);
}
public void FlatFileTraceListenerMultipleWrites()
{
File.Delete("tracewithheaderandfootermultiplewrites.log");
string header = "--------header------";
int numberOfWrites = 4;
FlatFileTraceListener listener = new FlatFileTraceListener("tracewithheaderandfootermultiplewrites.log", header, "=======footer===========", new TextFormatter("DUMMY{newline}DUMMY"));
// need to go through the source to get a TraceEventCache
LogSource source = new LogSource("notfromconfig", new[] { listener }, SourceLevels.All);
for (int writeLoop = 0; writeLoop < numberOfWrites; writeLoop++)
source.TraceData(TraceEventType.Error, 0, new LogEntry("message", "cat1", 0, 0, TraceEventType.Error, "title", null));
listener.Dispose();
StreamReader reader = new StreamReader("tracewithheaderandfootermultiplewrites.log");
int headersFound = NumberOfItems("tracewithheaderandfootermultiplewrites.log", header);
Assert.AreEqual(numberOfWrites, headersFound);
}
public void FlatFileListenerReplacedInexistingEnviromentVariables()
{
string fileName = @"%FOO%\%MY_VARIABLE%\foo.log";
FlatFileTraceListener listener = new FlatFileTraceListener(fileName);
listener.TraceData(new TraceEventCache(), "source", TraceEventType.Error, 1, "This is a test");
listener.Dispose();
string fileNameFromListener = string.Empty;
string expandedFileName = EnvironmentHelper.ReplaceEnvironmentVariables(fileName);
string expectedFileName = Path.GetFileName(expandedFileName);
bool result = File.Exists(expandedFileName);
Assert.IsTrue(result);
File.Delete(expandedFileName);
Assert.AreEqual(expectedFileName, expandedFileName);
}
