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();
}
}
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();
}
}
