def test_head_marker():
cb = CircIoBuffer(byte_size=5)
assert cb._head == 0
cb = CircIoBuffer(byte_size=5, initial_buffer='12')
assert cb._head == 0
cb = CircIoBuffer(byte_size=5, initial_buffer='12345')
assert cb._head == 0
cb.write('12')
assert cb._head == 2
cb.write('3450')
assert cb._head == 1
cb.write('0000')
assert cb._head == 0
def test_tail_markger():
size = 5
cb = CircIoBuffer(byte_size=size)
assert cb._tail == 0
cb = CircIoBuffer(byte_size=size, initial_buffer='12')
assert cb._tail == 2
cb = CircIoBuffer(byte_size=size, initial_buffer='12345')
assert cb._tail == 0
cb.write('12')
assert cb._tail == 2
cb.write('3451')
assert cb._tail == 1
assert len(cb) == size
assert cb._available == size
def test_read_big_buffers():
test_string = '12345'
size = len(test_string)
cb = CircIoBuffer(byte_size=size, initial_buffer=test_string)
assert len(cb) == len(test_string)
cb.write('x')
assert len(cb) == len(test_string)
assert cb.read(1) == '2'
assert len(cb) == len(test_string) - 1
assert cb.read() == '345x'
assert len(cb) == 0
assert cb._tail == 1
assert cb._head == 1
cb.write('a')
assert len(cb) == 1
assert cb._tail == 2
assert cb._head == 1
assert cb.read(0) == ''
assert cb._tail == 2
assert cb._head == 1
cb.write('12345')
assert cb._tail == (2 + size) % size
assert cb._head == (2 + size) % size
assert cb.read() == '12345'
cb.write('abcde67890x')
assert cb.read() == '7890x'
def test_show():
cb = CircIoBuffer(TEST_STRING, byte_size=TEST_STRING_LEN)
print
expected_result = ' H <-0\n' \
'|t|e|s|t| |s|t|r|i|n|g| 11\n' \
' T <-0'
assert cb.show() == expected_result
def test_flush():
cb = CircIoBuffer(TEST_STRING, byte_size=123)
cb.flush()
assert cb._limit == 123
assert cb.read() == ''
cb.write('tmp')
assert len(cb) == 3
assert cb.read() == 'tmp'
cb.write(123*'dd')
assert len(cb) == 123
assert cb.read() == 123*'d'
def __init__(self):
QtGui.QMainWindow.__init__(self)
self.mutex = QMutex()
self.thr = GuiThread(process=self.fun, period=0.1)
self.thr2 = GuiThread(process=self.fun2, period=0.1)
self.buff = CircIoBuffer(byte_size=15 * len('rafal miecznik'))
self.thr.start()
self.thr2.start()
time.sleep(2)
print(self.buff.read())
for d in dir(self.mutex):
print(d)
def init_rxbuffers(self):
self.raw_buffer = CircIoBuffer(byte_size=256 * 16 + 2)
def test_peek():
cb = CircIoBuffer(TEST_STRING)
assert cb.peek() == TEST_STRING
assert len(cb) == TEST_STRING_LEN
assert cb.read() == TEST_STRING
assert len(cb) == 0
def test_read():
cb = CircIoBuffer(initial_buffer=TEST_STRING, byte_size=TEST_STRING_LEN)
assert len(cb) == TEST_STRING_LEN
assert cb.read() == TEST_STRING
assert len(cb) == 0
def test_tail_circularity():
cb = CircIoBuffer(byte_size=5)
cb.write('12')
assert cb.tell() == 2
cb.write('345')
assert cb.tell() == 0
def test_circ_buffer_len():
cb = CircIoBuffer(TEST_STRING)
assert len(TEST_STRING) == len(cb)
def test_flush_unit_sequence_not_present():
cb = CircIoBuffer('this is test buffer', byte_size=20)
cb.flush_until('xxx')
assert cb.available() == 0
def test_flush_until():
cb = CircIoBuffer('this is test buffer', byte_size=20)
cb.flush_until('test')
assert cb.read() == ' buffer'
def test_writelines():
cb = CircIoBuffer()
try:
cb.writelines()
except NotImplementedError:
pass
def test_circbuffer_init():
""""Check if circ buffer is IOBase instance"""
from io import IOBase
cb = CircIoBuffer()
assert isinstance(cb, IOBase)
def test_contains():
cb = CircIoBuffer(TEST_STRING)
assert 'test' in cb
cb.read(len('test'))
assert 'test' not in cb