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 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 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)
});
}
}