public void LogFileFinderFilesAreNotTrackedOnceDeleted()
{
var fs = new ApplicationLogsTestFileSystem();
FileSystemHelpers.Instance = fs;
fs.AddLogFile("log-1.txt",
@"2013-12-06T00:29:20 PID[20108] Information this is a log
2013-12-06T00:29:21 PID[20108] Warning this is a warning
2013-12-06T00:29:22 PID[20108] Error this is an error"
);
fs.AddLogFile("log-2.txt",
@"2014-01-09T00:18:30
System.ApplicationException: The trace listener AzureTableTraceListener is disabled.
at Microsoft.WindowsAzure.WebSites.Diagnostics.AzureTableTraceListener.GetCloudTableClientFromEnvironment()
at Microsoft.WindowsAzure.WebSites.Diagnostics.AzureTableTraceListener.RefreshConfig()
--- End of inner exception stack trace ---"
);
var env = new ApplicationLogsTestEnvironment();
var fileFinder = new ApplicationLogsReader.LogFileFinder(env, Mock.Of <ITracer>());
fileFinder.FindLogFiles();
Assert.Equal(1, fileFinder.IncludedFiles.Count);
Assert.Equal(1, fileFinder.ExcludedFiles.Count);
fs.RemoveLogFile("log-1.txt");
fs.RemoveLogFile("log-2.txt");
fileFinder.FindLogFiles();
Assert.Equal(0, fileFinder.IncludedFiles.Count);
Assert.Equal(0, fileFinder.ExcludedFiles.Count);
}
public void LogFileFinderValidFilesAreOnlyReadOnce()
{
var fs = new ApplicationLogsTestFileSystem();
FileSystemHelpers.Instance = fs;
fs.AddLogFile("log-1.txt",
@"2013-12-06T00:29:20 PID[20108] Information this is a log
2013-12-06T00:29:21 PID[20108] Warning this is a warning
2013-12-06T00:29:22 PID[20108] Error this is an error"
);
var stats = new ApplicationLogsReader.LogFileAccessStats();
var env = new ApplicationLogsTestEnvironment();
var fileFinder = new ApplicationLogsReader.LogFileFinder(env, Mock.Of <ITracer>(), stats);
fileFinder.FindLogFiles();
fs.AddLogFile("log-2.txt", @"2013-12-06T00:29:20 PID[20108] Information this is a log");
fileFinder.FindLogFiles();
fs.AddLogFile("log-3.txt", @"2013-12-06T00:29:20 PID[20108] Information this is a log");
var results = fileFinder.FindLogFiles().ToList();
Assert.Equal(3, results.Count);
Assert.Equal(1, stats.GetOpenTextCount("log-1.txt"));
Assert.Equal(1, stats.GetOpenTextCount("log-2.txt"));
Assert.Equal(1, stats.GetOpenTextCount("log-3.txt"));
}
public void LogFileFinderIgnoredFilesAreOnlyReadOnce()
{
var fs = new ApplicationLogsTestFileSystem();
FileSystemHelpers.Instance = fs;
fs.AddLogFile("logging-errors.txt",
@"2014-01-09T00:18:30
System.ApplicationException: The trace listener AzureTableTraceListener is disabled.
at Microsoft.WindowsAzure.WebSites.Diagnostics.AzureTableTraceListener.GetCloudTableClientFromEnvironment()
at Microsoft.WindowsAzure.WebSites.Diagnostics.AzureTableTraceListener.RefreshConfig()
--- End of inner exception stack trace ---"
);
var stats = new ApplicationLogsReader.LogFileAccessStats();
var env = new ApplicationLogsTestEnvironment();
var fileFinder = new ApplicationLogsReader.LogFileFinder(env, Mock.Of <ITracer>(), stats);
var results = fileFinder.FindLogFiles().ToList();
Assert.Equal(0, results.Count);
Assert.Equal(1, stats.GetOpenTextCount("logging-errors.txt"));
results = fileFinder.FindLogFiles().ToList();
Assert.Equal(0, results.Count);
Assert.Equal(1, stats.GetOpenTextCount("logging-errors.txt"));
}
public void LogFileFinderEmptyFilesAreReadEachTime()
{
var fs = new ApplicationLogsTestFileSystem();
FileSystemHelpers.Instance = fs;
fs.AddLogFile("log-1.txt", "");
var stats = new ApplicationLogsReader.LogFileAccessStats();
var env = new ApplicationLogsTestEnvironment();
var fileFinder = new ApplicationLogsReader.LogFileFinder(env, Mock.Of <ITracer>(), stats);
fileFinder.FindLogFiles();
fileFinder.FindLogFiles();
Assert.Equal(2, stats.GetOpenTextCount("log-1.txt"));
}
public void LogFileFinderCanHandleDirectoryDoesNotExist()
{
var fs = new ApplicationLogsTestFileSystem();
FileSystemHelpers.Instance = fs;
var env = new ApplicationLogsTestEnvironment();
var fileFinder = new ApplicationLogsReader.LogFileFinder(env, Mock.Of <ITracer>());
var results = fileFinder.FindLogFiles().ToList();
Assert.Equal(0, results.Count);
}
public void LogFileFinderNoLogFilesFoundForEmptyDirectory()
{
var fs = new ApplicationLogsTestFileSystem();
FileSystemHelpers.Instance = fs;
var env = new ApplicationLogsTestEnvironment();
fs.AddDirectory(env.ApplicationLogFilesPath);
var fileFinder = new ApplicationLogsReader.LogFileFinder(env, Mock.Of <ITracer>());
var results = fileFinder.FindLogFiles().ToList();
Assert.Equal(0, results.Count);
}
public void LogFileFinderEmptyFilesAreNotReturned()
{
var fs = new ApplicationLogsTestFileSystem();
FileSystemHelpers.Instance = fs;
fs.AddLogFile("log-1.txt", "");
var env = new ApplicationLogsTestEnvironment();
var fileFinder = new ApplicationLogsReader.LogFileFinder(env, Mock.Of <ITracer>());
var results = fileFinder.FindLogFiles();
Assert.Equal(0, results.Count());
Assert.Equal(0, fileFinder.IncludedFiles.Count);
Assert.Equal(0, fileFinder.ExcludedFiles.Count);
}
public void LogFileFinderFindsSingleLogFile()
{
var fs = new ApplicationLogsTestFileSystem();
FileSystemHelpers.Instance = fs;
fs.AddLogFile("log-1.txt",
@"2013-12-06T00:29:20 PID[20108] Information this is a log
2013-12-06T00:29:21 PID[20108] Warning this is a warning
2013-12-06T00:29:22 PID[20108] Error this is an error"
);
var env = new ApplicationLogsTestEnvironment();
var fileFinder = new ApplicationLogsReader.LogFileFinder(env, Mock.Of <ITracer>());
var results = fileFinder.FindLogFiles().ToList();
Assert.Equal(1, results.Count);
Assert.Equal(1, fileFinder.IncludedFiles.Count);
}
public void LogFileFinderSkipsFileOnFileAccessError()
{
var fs = new ApplicationLogsTestFileSystem();
FileSystemHelpers.Instance = fs;
fs.AddLogFileWithOpenException <UnauthorizedAccessException>("log-1.txt");
var env = new ApplicationLogsTestEnvironment();
var tracerMock = new Mock <ITracer>(MockBehavior.Strict);
tracerMock.Setup(t => t.Trace("Error occurred", It.IsAny <Dictionary <string, string> >())).Verifiable();
var fileFinder = new ApplicationLogsReader.LogFileFinder(env, tracerMock.Object);
var results = fileFinder.FindLogFiles().ToList();
Assert.Equal(0, results.Count);
Assert.Equal(0, fileFinder.IncludedFiles.Count);
Assert.Equal(0, fileFinder.ExcludedFiles.Count);
tracerMock.Verify();
}