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# Copyright (C) 2015. BMW Car IT GmbH. All rights reserved.
"""Basic unittests for DLTFilter definition"""
import unittest
import ctypes
from dlt.dlt import DLTFilter
from dlt.core.core_base import DLT_FILTER_MAX, DLT_ID_SIZE
class TestDLTFilter(unittest.TestCase):
def setUp(self):
self.dlt_filter = DLTFilter()
def tearDown(self):
del self.dlt_filter
def test_init(self):
assert len(self.dlt_filter.apid) == DLT_FILTER_MAX
assert len(self.dlt_filter.ctid) == DLT_FILTER_MAX
assert self.dlt_filter.counter == 0
for entry in self.dlt_filter.apid:
assert ctypes.string_at(entry, DLT_ID_SIZE) == b"\0\0\0\0"
for entry in self.dlt_filter.ctid:
assert ctypes.string_at(entry, DLT_ID_SIZE) == b"\0\0\0\0"
def test_add0(self):
assert self.dlt_filter.add("AAA", "BBB") == 0
assert self.dlt_filter.counter == 1
assert len(self.dlt_filter.apid[0]) == 4
assert len(self.dlt_filter.ctid[0]) == 4
assert ctypes.string_at(self.dlt_filter.apid[0], DLT_ID_SIZE) == b"AAA\0"
assert ctypes.string_at(self.dlt_filter.ctid[0], DLT_ID_SIZE) == b"BBB\0"
def test_add1(self):
assert self.dlt_filter.add("AAA", "BBB") == 0
assert self.dlt_filter.add("XXX", "YYY") == 0
assert self.dlt_filter.counter == 2
assert ctypes.string_at(self.dlt_filter.apid[0], DLT_ID_SIZE) == b"AAA\0"
assert ctypes.string_at(self.dlt_filter.ctid[0], DLT_ID_SIZE) == b"BBB\0"
assert ctypes.string_at(self.dlt_filter.apid[1], DLT_ID_SIZE) == b"XXX\0"
assert ctypes.string_at(self.dlt_filter.ctid[1], DLT_ID_SIZE) == b"YYY\0"
def test_add2(self):
assert self.dlt_filter.add("AAAA", "BBBB") == 0
assert self.dlt_filter.add("XXX", "YYY") == 0
assert self.dlt_filter.add("CCCC", "DDDD") == 0
assert self.dlt_filter.counter == 3
assert ctypes.string_at(self.dlt_filter.apid[0], DLT_ID_SIZE) == b"AAAA"
assert ctypes.string_at(self.dlt_filter.ctid[0], DLT_ID_SIZE) == b"BBBB"
assert ctypes.string_at(self.dlt_filter.apid[1], DLT_ID_SIZE) == b"XXX\0"
assert ctypes.string_at(self.dlt_filter.ctid[1], DLT_ID_SIZE) == b"YYY\0"
assert ctypes.string_at(self.dlt_filter.apid[2], DLT_ID_SIZE) == b"CCCC"
assert ctypes.string_at(self.dlt_filter.ctid[2], DLT_ID_SIZE) == b"DDDD"
def test_repr(self):
assert self.dlt_filter.add("AAAA", "BBBB") == 0
assert self.dlt_filter.add("XXX", "YYY") == 0
assert self.dlt_filter.add("CCCC", "DDDD") == 0
print(self.dlt_filter)
assert str(self.dlt_filter) == str([(b"AAAA", b"BBBB"), (b"XXX", b"YYY"), (b"CCCC", b"DDDD")])
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