public void reader_closes_path_when_disposed()
{
var path = Path.GetTempFileName();
using(var reader = new RecordedMessageReader(path)) { }
Assert.DoesNotThrow(() => File.Delete(path));
}
public void reader_closes_input_when_disposed_if_it_owns_it()
{
using(var input = new MemoryStream())
{
using(var reader = new RecordedMessageReader(input, true)) { }
Assert.Throws<ObjectDisposedException>(() => input.WriteByte(0));
}
}
public void path_be_opened_whilst_reader_has_it_open()
{
var path = Path.GetTempFileName();
using(var reader = new RecordedMessageReader(path))
{
Assert.DoesNotThrow(() => File.OpenRead(path).Dispose());
}
File.Delete(path);
}
public void path_cannot_be_modified_whilst_reader_has_it_open()
{
var path = Path.GetTempFileName();
using(var reader = new RecordedMessageReader(path))
{
Assert.Throws<IOException>(() => File.Delete(path));
Assert.Throws<IOException>(() => File.OpenWrite(path).Dispose());
}
File.Delete(path);
}
public void can_read_recorded_messages()
{
Message actual;
Message[] messages = CreateMessages();
Stream stream = RecordMessages(messages);
using(var reader = new RecordedMessageReader(stream, true))
{
foreach(var expected in messages)
{
actual = reader.Read();
Assert.IsType(expected.GetType(), actual);
}
}
}
public void messages_are_played_back_in_real_time()
{
Stopwatch sw = new Stopwatch();
TimeSpan delay = TimeSpan.FromMilliseconds(15);
TimeSpan delayLow = TimeSpan.FromMilliseconds(14);
TimeSpan delayHigh = TimeSpan.FromMilliseconds(16);
Stream stream = RecordMessages(delay, CreateMessages());
using(var reader = new RecordedMessageReader(stream, true))
{
while(reader.Read() != null)
{
// This isn't great, the delay between the first message isn't written.
if(sw.IsRunning)
{
Assert.InRange(sw.Elapsed, delayLow, delayHigh);
sw.Reset();
}
sw.Start();
}
}
}
public void reader_does_not_close_input_when_disposed_if_it_does_not_own_it()
{
using(var input = new MemoryStream())
{
using(var reader = new RecordedMessageReader(input, false)) { }
Assert.DoesNotThrow(() => input.WriteByte(0));
}
}