public void WatchingDependsOnFileName()
{
var firstLines = new List<string>()
{
"hello world",
"foo bar",
"lorem ipsum"
};
var tail = new Tail(TestFileName, Encoding.ASCII);
int[] changeEventRaised = { 0 };
tail.Changed += (o, e) => { ++changeEventRaised[0]; };
tail.Watch();
try
{
WriteTestLines(false, firstLines);
Assert.AreNotEqual(0, changeEventRaised[0], "Change event has not been raised at all.");
changeEventRaised[0] = 0;
WriteTestLines(FakeTestFileName, false, firstLines);
Assert.AreEqual(0, changeEventRaised[0], "Change event has been raised at changing of an indifferent file.");
}
finally
{
tail.StopWatching();
}
}
static void Main(string[] args)
{
var configFile = Path.GetFileNameWithoutExtension(typeof(Program).Assembly.Location) + ".xml";
if (null != args && args.Length > 0)
{
configFile = args[0];
}
if (!File.Exists(configFile))
{
Console.WriteLine("Error: could not find configuration file \"{0}\"", configFile);
return;
}
var configuration=new Configuration(configFile);
if (!File.Exists(configuration.InputFile))
{
Console.WriteLine("Error: could not find input file \"{0}\"", configuration.InputFile);
return;
}
var tail = new Tail(configuration.InputFile, Encoding.Default);
var parser = new Parser(tail, configuration);
var transfer = new HttpTransferModule(configuration);
parser.Changed += transfer.ReceiveChanges;
parser.Run();
Console.ReadKey();
}
public void GetNewLines()
{
var source = new MockedFileStream(FIRSTLINE);
var reader = new FileReader("dummyFileName") { myFileStream = source, File = new MockedFile() };
var tail = new Tail("dummyFileName", Encoding.Default, reader);
Assert.AreEqual(Encoding.ASCII, tail.myFileType, "Encoding detected wrong.");
var lines = tail.GetNewLines();
Assert.AreEqual(1, lines.Count, "Unexpected count of lines read.");
StringAssert.Matches(lines.First(), firstLineRegex, "Wrong content.");
}
public void WatchingWhileTargetIsGrowing()
{
var firstLines = new List<string>()
{
"hello world",
"foo bar",
"lorem ipsum"
};
var additionalLines = new List<string>()
{
"monday",
"tuesday",
"wednesday",
"thursday",
"friday"
};
var tail = new Tail(TestFileName, Encoding.ASCII);
var results = new List<string>();
int[] changeEventRaised = { 0 };
tail.Changed += (o, e) => { ++changeEventRaised[0]; results.AddRange(e.NewLines); };
tail.Watch();
try
{
WriteTestLines(false, firstLines);
Assert.AreNotEqual(0, changeEventRaised[0], "Change event has not been raised at all.");
Assert.AreEqual(firstLines.Count, results.Count, "Mismatching count of collected lines.");
changeEventRaised[0] = 0;
results.Clear();
WriteTestLines(true, additionalLines);
Assert.AreNotEqual(0, changeEventRaised[0], "Change event has not been raised at all.");
Assert.AreEqual(additionalLines.Count, results.Count, "Mismatching count of collected lines.");
}
finally
{
tail.StopWatching();
}
}
public void GetNewLines_ContinuousReading()
{
var input = new List<string>
{
"first line",
"second line",
"third line"
};
var additionalLines = new List<string>
{
"fourth line",
"fifth line",
"sixth line",
"7th line"
};
var source = new MockedFileStream(input);
var reader = new FileReader("dummyFileName") { myFileStream = source, File = new MockedFile() };
var tail = new Tail("dummyFileName", Encoding.Default, reader);
var output = tail.GetNewLines();
Assert.AreEqual(input.Count, output.Count, "Unexpected count of lines at start");
for (var i = 0; i < input.Count; i++)
{
StringAssert.Matches(output[i], new Regex(input[i]), "Unmatching line in the 1st round.");
}
source.AddNewLines(additionalLines, Encoding.Default);
output = tail.GetNewLines();
Assert.AreEqual(additionalLines.Count, output.Count, "Unexpected count of lines after new lines added.");
for (var i = 0; i < additionalLines.Count; i++)
{
StringAssert.Matches(output[i], new Regex(additionalLines[i]), "Unmatching line in the 2nd round.");
}
}