def test_read_ready_input():
"""Immediate ready when there is input buffered."""
try:
pipe_r, pipe_w = os.pipe()
os.write(pipe_w, b'Hello world')
assert chromaterm.read_ready([pipe_r])
finally:
os.close(pipe_r)
os.close(pipe_w)
def test_read_ready_timeout_empty():
"""Wait with no input."""
try:
pipe_r, pipe_w = os.pipe()
before = time.time()
assert not chromaterm.read_ready([pipe_r], 0.5)
after = time.time()
assert after - before >= 0.5
finally:
os.close(pipe_r)
os.close(pipe_w)
def test_read_ready_timeout_input():
"""Immediate ready with timeout when there is input buffered."""
try:
pipe_r, pipe_w = os.pipe()
os.write(pipe_w, b'Hello world')
before = time.time()
assert chromaterm.read_ready([pipe_r], 0.5)
after = time.time()
assert after - before < 0.5
finally:
os.close(pipe_r)
os.close(pipe_w)
def test_read_ready_no_read_fd():
"""read_ready with None as read_fd must return False (no data to read)."""
assert not chromaterm.read_ready(None)