public void TestEmptyLogFile()
{
using (var file = new FilteredLogFile(_taskScheduler, TimeSpan.Zero, _logFile.Object, Filter.Create("Test", true, LevelFlags.All)))
{
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue();
file.Count.Should().Be(0);
}
}
public void Test()
{
using (var source1 = new LogFile(_scheduler, LogFileTest.File2Entries))
using (var source2 = new LogFile(_scheduler, LogFileTest.File2Lines))
{
var sources = new List<ILogFile> {source1, source2};
using (var merged = new MergedLogFile(_scheduler, TimeSpan.FromMilliseconds(10), sources))
{
var filter = new SubstringFilter("foo", true);
using (var filtered = new FilteredLogFile(_scheduler, TimeSpan.FromMilliseconds(10), merged, filter))
{
filtered.Property(x => x.Count).ShouldEventually().Be(1, TimeSpan.FromSeconds(5));
}
}
}
}
public void TestClear()
{
using (var file = new FilteredLogFile(_taskScheduler, TimeSpan.Zero, _logFile.Object, Filter.Create(null, true, LevelFlags.Debug)))
{
_entries.Add(new LogLine(0, 0, "DEBUG: This is a test", LevelFlags.Debug));
_entries.Add(new LogLine(1, 0, "DEBUG: Yikes", LevelFlags.None));
file.OnLogFileModified(_logFile.Object, new LogFileSection(0, 2));
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue();
file.Count.Should().Be(2);
_entries.Clear();
file.OnLogFileModified(_logFile.Object, LogFileSection.Reset);
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue();
file.Count.Should().Be(0);
}
}
public void TestEntryLevelNone()
{
using (var file = new FilteredLogFile(_taskScheduler, TimeSpan.Zero, _logFile.Object, Filter.Create("ello", true, LevelFlags.All)))
{
_entries.Add(new LogLine(0, "Hello world!", LevelFlags.None));
file.OnLogFileModified(_logFile.Object, new LogFileSection(0, 1));
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue();
file.Count.Should().Be(1);
file.GetSection(new LogFileSection(0, 1))
.Should().Equal(new[]
{
new LogLine(0, "Hello world!", LevelFlags.None)
});
}
}
public void TestEndOfSourceReached()
{
using (var file = new FilteredLogFile(_taskScheduler, TimeSpan.Zero, _logFile.Object, Filter.Create(null, true, LevelFlags.Debug)))
{
_logFile.Verify(x => x.EndOfSourceReached, Times.Never);
var unused = file.EndOfSourceReached;
_logFile.Verify(x => x.EndOfSourceReached, Times.Once);
}
}
public void TestWait()
{
using (var file = new FilteredLogFile(_taskScheduler, TimeSpan.Zero, _logFile.Object, Filter.Create(null, true, LevelFlags.Debug)))
{
var sections = new List<LogFileSection>();
var listener = new Mock<ILogFileListener>();
listener.Setup(x => x.OnLogFileModified(It.IsAny<ILogFile>(), It.IsAny<LogFileSection>()))
.Callback((ILogFile logFile, LogFileSection section) => sections.Add(section));
file.AddListener(listener.Object, TimeSpan.FromMilliseconds(100), 3);
_entries.Add(new LogLine(0, 0, "DEBUG: This is a test", LevelFlags.Debug));
_entries.Add(new LogLine(1, 0, "DEBUG: Yikes", LevelFlags.None));
file.OnLogFileModified(_logFile.Object, new LogFileSection(0, 2));
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue();
sections.Should().Equal(new object[]
{
LogFileSection.Reset,
new LogFileSection(new LogLineIndex(0), 2)
});
}
}
public void TestMultiLineLogEntry2()
{
using (var file = new FilteredLogFile(_taskScheduler, TimeSpan.Zero, _logFile.Object, Filter.Create("yikes", true, LevelFlags.All)))
{
_entries.Add(new LogLine(0, 0, "DEBUG: This is a test", LevelFlags.Debug));
_entries.Add(new LogLine(1, 0, "Yikes", LevelFlags.None));
file.OnLogFileModified(_logFile.Object, new LogFileSection(0, 2));
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue();
file.Count.Should().Be(2);
file.GetSection(new LogFileSection(0, 2))
.Should().Equal(new[]
{
new LogLine(0, 0, "DEBUG: This is a test", LevelFlags.Debug),
new LogLine(1, 0, "Yikes", LevelFlags.None)
});
}
}
public void TestListener()
{
_entries.Add(new LogLine(0, 0, "DEBUG: This is a test", LevelFlags.Debug));
_entries.Add(new LogLine(1, 0, "Yikes", LevelFlags.None));
using (var file = new FilteredLogFile(_taskScheduler, TimeSpan.Zero, _logFile.Object, Filter.Create("yikes", true, LevelFlags.All)))
{
var sections = new List<LogFileSection>();
var listener = new Mock<ILogFileListener>();
listener.Setup(x => x.OnLogFileModified(It.IsAny<ILogFile>(), It.IsAny<LogFileSection>()))
.Callback((ILogFile l, LogFileSection s) => sections.Add(s));
// We deliberately set the batchSize to be greater than the amount of entries that will be matched.
// If the FilteredLogFile is implemented correctly, then it will continously notifiy the listener until
// the maximum wait time is elapsed.
const int batchSize = 10;
file.AddListener(listener.Object, TimeSpan.FromMilliseconds(100), batchSize);
file.OnLogFileModified(_logFile.Object, new LogFileSection(0, 2));
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue();
file.Count.Should().Be(2);
sections.Should().Equal(new[]
{
LogFileSection.Reset,
new LogFileSection(0, 2)
});
}
}
public void TestInvalidate3()
{
using (var file = new FilteredLogFile(_taskScheduler, TimeSpan.Zero, _logFile.Object, Filter.Create(null, true, LevelFlags.Info)))
{
file.AddListener(_listener.Object, TimeSpan.Zero, 1);
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue();
_entries.AddRange(new[]
{
new LogLine(0, 0, "A", LevelFlags.Info),
new LogLine(1, 0, "B", LevelFlags.Info),
new LogLine(2, 0, "C", LevelFlags.Info),
new LogLine(3, 0, "D", LevelFlags.Info)
});
file.OnLogFileModified(_logFile.Object, new LogFileSection(0, 4));
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue();
file.OnLogFileModified(_logFile.Object, new LogFileSection(2, 2, true));
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue("Because the filtered log file should be finished");
file.Count.Should().Be(2);
_sections.Should().Equal(new[]
{
LogFileSection.Reset,
new LogFileSection(0, 1),
new LogFileSection(1, 1),
new LogFileSection(2, 1),
new LogFileSection(3, 1),
new LogFileSection(2, 2, true)
});
}
}
public void TestInvalidate1()
{
using (var file = new FilteredLogFile(_taskScheduler, TimeSpan.Zero, _logFile.Object, Filter.Create(null, true, LevelFlags.Info)))
{
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue();
_entries.AddRange(new[]
{
new LogLine(0, 0, "A", LevelFlags.Info),
new LogLine(1, 1, "B", LevelFlags.Info),
new LogLine(2, 2, "C", LevelFlags.Info),
new LogLine(3, 3, "D", LevelFlags.Info)
});
file.OnLogFileModified(_logFile.Object, new LogFileSection(0, 4));
file.OnLogFileModified(_logFile.Object, new LogFileSection(2, 2, true));
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue();
file.Count.Should().Be(2, "because we've invalidated the last 2 out of 4 lines");
}
}
public void TestGetSection1()
{
using (var file = new FilteredLogFile(_taskScheduler, TimeSpan.Zero, _logFile.Object, Filter.Create("yikes", true, LevelFlags.All)))
{
_entries.Add(new LogLine(0, 0, "DEBUG: This is a test", LevelFlags.Debug));
_entries.Add(new LogLine(1, 1, "Yikes", LevelFlags.None));
file.OnLogFileModified(_logFile.Object, new LogFileSection(0, 2));
_taskScheduler.RunOnce();
file.EndOfSourceReached.Should().BeTrue();
var section = file.GetSection(new LogFileSection(0, 1));
section.Should().NotBeNull();
section.Length.Should().Be(1);
section[0].LineIndex.Should().Be(0, "because the filtered log file only represents a file with one line, thus the only entry should have an index of 0, not 1, which is the original index");
section[0].Message.Should().Be("Yikes");
}
}
public static FilteredLogFile AsFiltered(this ILogFile logFile, ITaskScheduler scheduler, ILogEntryFilter filter, TimeSpan maximumWaitTime)
{
var file = new FilteredLogFile(scheduler, maximumWaitTime, logFile, filter);
return file;
}