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import time
from labgrid.driver import ExternalConsoleDriver
class TestExternalConsoleDriver:
def test_create(self, target):
d = ExternalConsoleDriver(target, 'console', cmd='cat')
assert (isinstance(d, ExternalConsoleDriver))
def test_communicate(self, target):
data = b"test\ndata"
d = ExternalConsoleDriver(target, 'console', cmd='cat')
target.activate(d)
d.write(data)
time.sleep(0.1)
assert d.read(1024) == data # assert written data is read
d.write(data)
time.sleep(0.1)
assert d.read(5, max_size=5) == data[:5] # assert max_size limits read bytes
d.close()
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