def test_wnblocking(self): p = Pipe(timeout=1, bsize=10, wblocking=False) self.assertTrue(p.readblocking()) self.assertFalse(p.writeblocking()) p.write(b"1234567890") data = b"extra" try: # should not block wresult = p.write(data) self.assertTrue(wresult is None, repr(wresult)) except IOError as e: self.fail("Timeout on non-blocking write; %s" % str(e)) # read all the data to empty the buffer self.assertTrue(len(p.read(10)) == 10, "in our case, True!") try: # should block for 1 second and then timeout rresult = p.read(1) self.fail("blocked read returned %s" % repr(rresult)) except IOError as e: self.assertTrue(io_timedout(e)) p.write(b"1234567890") try: # should not block! p.flush() self.fail("non-blocking flush returned with data") except io.BlockingIOError: pass except IOError as e: self.fail("non-blocking flush timed out; %s" % str(e))
def test_wblocking(self): p = Pipe(timeout=15, bsize=10) t = threading.Thread(target=self.rrunner, args=(p, )) p.write(b"1234567890") data = b"extra" t.start() try: # should block until the other thread reads wresult = p.write(bytearray(data)) # and should then write at most 1 byte self.assertTrue(wresult == 1, repr(wresult)) except IOError as e: self.fail("Timeout on mutlithreaded pipe; %s" % str(e)) t = threading.Thread(target=self.rallrunner, args=(p, )) t.start() try: # should block until all data has been read logging.debug("flush waiting...") p.flush() logging.debug("flush complete") self.assertTrue(p.canwrite() == 10, "empty after flush") except IOError as e: self.fail("flush timeout on mutlithreaded pipe; %s" % str(e)) # put the other thread out of its misery p.write_eof() logging.debug("eof written, joining rallrunner") t.join()
def test_blocking(self): p = Pipe(timeout=1, bsize=10) self.assertTrue(p.readblocking()) self.assertTrue(p.writeblocking()) try: # should block for 1 second and then timeout rresult = p.read(1) self.fail("blocked read returned %s" % repr(rresult)) except IOError as e: self.assertTrue(io_timedout(e)) p.write(b"123") # should not block! rresult = p.read(5) self.assertTrue(rresult == b"123") # should not block, just! p.write(bytearray(b"1234567890")) try: # should block for 1 second wresult = p.write(b"extra") self.fail("blocked write returned %s" % repr(wresult)) except IOError as e: self.assertTrue(io_timedout(e)) try: # should block for 1 second logging.debug("flush waiting for 1s timeout...") p.flush() self.fail("blocked flush returned") except IOError as e: logging.debug("flush caught 1s timeout; %s", str(e))
def test_wblocking(self): p = Pipe(timeout=15, bsize=10) t = threading.Thread(target=self.rrunner, args=(p,)) p.write(b"1234567890") data = b"extra" t.start() try: # should block until the other thread reads wresult = p.write(bytearray(data)) # and should then write at most 1 byte self.assertTrue(wresult == 1, repr(wresult)) except IOError as e: self.fail("Timeout on mutlithreaded pipe; %s" % str(e)) t = threading.Thread(target=self.rallrunner, args=(p,)) t.start() try: # should block until all data has been read logging.debug("flush waiting...") p.flush() logging.debug("flush complete") self.assertTrue(p.canwrite() == 10, "empty after flush") except IOError as e: self.fail("flush timeout on mutlithreaded pipe; %s" % str(e)) # put the other thread out of its misery p.write_eof() logging.debug("eof written, joining rallrunner") t.join()