def unpackParameter(paramId, dataLength, msg, nodeParams):
for case in switch(paramId):
if case(ParamId.nodeId):
if (dataLength == 1):
value = unpackBytes('=B', msg)[0][0]
return nodeParams.config.updateParameter(paramId, value)
break
if case(ParamId.parseMsgMax):
if (dataLength == 2):
value = unpackBytes('=H', msg)[0][0]
return nodeParams.config.updateParameter(paramId, value)
break
else:
return False
def test_unpackBytes(self):
"""Test unpackBytes method."""
# Test processing of equal size message
msg = b'12345'
fmt = '=BBBBB'
out = unpackBytes(fmt, msg)
assert (len(out) == calcsize(fmt))
#assert(len(out[1]) == 0) # no excess bytes
# Test processing of short message
fmt = '=BBBBBB'
with pytest.raises(InsufficientMsgBytes) as e:
out = unpackBytes(fmt, msg)
# Test processing of long message
fmt = '=BBBB'
out = unpackBytes(fmt, msg)
assert (len(out) == calcsize(fmt))
def test_parseBody(self):
"""Test parsing body from serial message bytes."""
bodyEntries = unpackBytes(self.bodyFormat, self.msgBytes[len(self.headerBytes):])
body = parseBody(bodyEntries, self.cmdId)
self.checkBodyEntries(body)
def test_parseHeader(self):
"""Test parsing header from serial message bytes."""
headerEntries = unpackBytes(self.headerFormat, self.msgBytes[0:len(self.headerBytes)])
#header = parseHeader([self.msgBytes[0:len(self.headerBytes)],[]], self.cmdId)
header = parseHeader(headerEntries, self.cmdId)
self.checkHeaderEntries(header)