def test_lkey(self):
"""
Test reading lkey property
"""
for ctx, attr, attr_ex in self.devices:
with PD(ctx) as pd:
length = u.get_mr_length()
flags = u.get_access_flags(ctx)
for f in flags:
with MR(pd, length, f) as mr:
mr.lkey
def test_dereg_mr_twice(self):
"""
Verify that explicit call to MR's close() doesn't fail
"""
for ctx, attr, attr_ex in self.devices:
with PD(ctx) as pd:
flags = u.get_access_flags(ctx)
for f in flags:
with MR(pd, u.get_mr_length(), f) as mr:
# Pyverbs supports multiple destruction of objects,
# we are not expecting an exception here.
mr.close()
mr.close()
def test_write(self):
"""
Test writing to MR's buffer
"""
for ctx, attr, attr_ex in self.devices:
with PD(ctx) as pd:
for i in range(10):
mr_len = u.get_mr_length()
flags = u.get_access_flags(ctx)
for f in flags:
with MR(pd, mr_len, f) as mr:
write_len = min(random.randint(1, MAX_IO_LEN),
mr_len)
mr.write('a' * write_len, write_len)
def test_read(self):
"""
Test reading from MR's buffer
"""
for ctx, attr, attr_ex in self.devices:
with PD(ctx) as pd:
for i in range(10):
mr_len = u.get_mr_length()
flags = u.get_access_flags(ctx)
for f in flags:
with MR(pd, mr_len, f) as mr:
write_len = min(random.randint(1, MAX_IO_LEN),
mr_len)
write_str = 'a' * write_len
mr.write(write_str, write_len)
read_len = random.randint(1, write_len)
offset = random.randint(0, write_len - read_len)
read_str = mr.read(read_len, offset).decode()
assert read_str in write_str
