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48 lines
981 B
Python
48 lines
981 B
Python
import io
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import pytest
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from .. import util
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def test_bytes2num():
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assert util.bytes2num(b'\x12\x34') == 0x1234
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def test_num2bytes():
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assert util.num2bytes(0x1234, size=2) == b'\x12\x34'
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def test_pack():
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assert util.pack('BHL', 1, 2, 3) == b'\x01\x00\x02\x00\x00\x00\x03'
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def test_frames():
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msgs = [b'aaa', b'bb', b'c' * 0x12340]
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f = util.frame(*msgs)
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assert f == b'\x00\x01\x23\x45' + b''.join(msgs)
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assert util.read_frame(io.BytesIO(f)) == b''.join(msgs)
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class SocketMock(object):
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def __init__(self):
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self.buf = io.BytesIO()
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def sendall(self, data):
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self.buf.write(data)
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def recv(self, size):
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return self.buf.read(size)
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def test_send_recv():
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s = SocketMock()
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util.send(s, b'123')
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util.send(s, data=[42], fmt='B')
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assert s.buf.getvalue() == b'123*'
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s.buf.seek(0)
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assert util.recv(s, 2) == b'12'
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assert util.recv(s, 2) == b'3*'
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pytest.raises(EOFError, util.recv, s, 1)
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