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