mirror of
https://github.com/JoelBender/bacpypes
synced 2025-10-05 22:18:16 +08:00
129 lines
3.9 KiB
Python
129 lines
3.9 KiB
Python
#!/usr/bin/env python
|
|
# -*- coding: utf-8 -*-
|
|
|
|
"""
|
|
Test Primitive Data Character String
|
|
------------------------------------
|
|
"""
|
|
|
|
import unittest
|
|
|
|
from bacpypes.debugging import bacpypes_debugging, ModuleLogger, xtob
|
|
|
|
from bacpypes.errors import InvalidTag
|
|
from bacpypes.primitivedata import CharacterString, Tag
|
|
|
|
# some debugging
|
|
_debug = 0
|
|
_log = ModuleLogger(globals())
|
|
|
|
|
|
# globals
|
|
fox_message = "the quick brown fox jumped over the lazy dog"
|
|
|
|
@bacpypes_debugging
|
|
def character_string_tag(x):
|
|
"""Convert a hex string to an character_string application tag."""
|
|
if _debug: character_string_tag._debug("character_string_tag %r", x)
|
|
|
|
b = xtob(x)
|
|
tag = Tag(Tag.applicationTagClass, Tag.characterStringAppTag, len(b), b)
|
|
if _debug: character_string_endec._debug(" - tag: %r", tag)
|
|
|
|
return tag
|
|
|
|
@bacpypes_debugging
|
|
def character_string_encode(obj):
|
|
"""Encode an CharacterString object into a tag."""
|
|
if _debug: character_string_encode._debug("character_string_encode %r", obj)
|
|
|
|
tag = Tag()
|
|
obj.encode(tag)
|
|
if _debug: character_string_endec._debug(" - tag: %r", tag)
|
|
|
|
return tag
|
|
|
|
|
|
@bacpypes_debugging
|
|
def character_string_decode(tag):
|
|
"""Decode an character_string application tag into an character_string."""
|
|
if _debug: character_string_decode._debug("character_string_decode %r", tag)
|
|
|
|
obj = CharacterString(tag)
|
|
if _debug: character_string_decode._debug(" - obj: %r", obj)
|
|
|
|
return obj
|
|
|
|
|
|
@bacpypes_debugging
|
|
def character_string_endec(v, x):
|
|
"""Pass the value to CharacterString, construct a tag from the hex string,
|
|
and compare results of encode and decoding each other."""
|
|
if _debug: character_string_endec._debug("character_string_endec %r %r", v, x)
|
|
|
|
tag = character_string_tag(x)
|
|
if _debug: character_string_endec._debug(" - tag: %r, %r", tag, tag.tagData)
|
|
|
|
obj = CharacterString(v)
|
|
if _debug: character_string_endec._debug(" - obj: %r, %r", obj, obj.value)
|
|
|
|
assert character_string_encode(obj) == tag
|
|
assert character_string_decode(tag) == obj
|
|
|
|
|
|
@bacpypes_debugging
|
|
class TestCharacterString(unittest.TestCase):
|
|
|
|
def test_character_string(self):
|
|
if _debug: TestCharacterString._debug("test_character_string")
|
|
|
|
obj = CharacterString()
|
|
assert obj.value == ''
|
|
|
|
with self.assertRaises(TypeError):
|
|
CharacterString(1)
|
|
with self.assertRaises(TypeError):
|
|
CharacterString(1.0)
|
|
|
|
def test_character_string_str(self):
|
|
if _debug: TestCharacterString._debug("test_character_string_str")
|
|
|
|
obj = CharacterString("hello")
|
|
assert obj.value == "hello"
|
|
assert str(obj) == "CharacterString(0,X'68656c6c6f')"
|
|
|
|
def test_character_string_tag(self):
|
|
if _debug: TestCharacterString._debug("test_character_string_tag")
|
|
|
|
tag = Tag(Tag.applicationTagClass, Tag.characterStringAppTag, 1, xtob('00'))
|
|
obj = CharacterString(tag)
|
|
assert obj.value == ''
|
|
|
|
tag = Tag(Tag.applicationTagClass, Tag.booleanAppTag, 0, xtob(''))
|
|
with self.assertRaises(InvalidTag):
|
|
CharacterString(tag)
|
|
|
|
tag = Tag(Tag.contextTagClass, 0, 1, xtob('ff'))
|
|
with self.assertRaises(InvalidTag):
|
|
CharacterString(tag)
|
|
|
|
tag = Tag(Tag.openingTagClass, 0)
|
|
with self.assertRaises(InvalidTag):
|
|
CharacterString(tag)
|
|
|
|
def test_character_string_copy(self):
|
|
if _debug: TestCharacterString._debug("test_character_string_copy")
|
|
|
|
obj1 = CharacterString(fox_message)
|
|
obj2 = CharacterString(obj1)
|
|
assert obj2.value == fox_message
|
|
|
|
def test_character_string_endec(self):
|
|
if _debug: TestCharacterString._debug("test_character_string_endec")
|
|
|
|
with self.assertRaises(InvalidTag):
|
|
obj = CharacterString(character_string_tag(''))
|
|
|
|
character_string_endec("", '00')
|
|
character_string_endec("abc", '00616263')
|