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test_type_checker.py
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test_type_checker.py
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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import sys
import unittest
import datetime
import asn1tools.codecs.type_checker
from copy import deepcopy
sys.path.append('tests/files')
sys.path.append('tests/files/3gpp')
from rrc_8_6_0 import EXPECTED as RRC_8_6_0
from information_object import EXPECTED as INFORMATION_OBJECT
class Asn1ToolsEncodeTypeCheckerTest(unittest.TestCase):
maxDiff = None
def assert_good_bad(self,
type_spec,
expected_type_string,
good_datas,
bad_datas,
bad_datas_strings=None):
foo = asn1tools.parse_string(
"Foo DEFINITIONS AUTOMATIC TAGS ::= "
"BEGIN "
"A ::= " + type_spec + " "
"END")
foo = asn1tools.codecs.type_checker.compile_dict(foo)
for data in good_datas:
foo['Foo']['A'].encode(data)
if bad_datas_strings is None:
bad_datas_strings = [str(data) for data in bad_datas]
for data, bad_datas_string in zip(bad_datas, bad_datas_strings):
with self.assertRaises(asn1tools.EncodeError) as cm:
foo['Foo']['A'].encode(data)
self.assertEqual(str(cm.exception),
'{}, but got {}.'.format(expected_type_string,
bad_datas_string))
def test_boolean(self):
self.assert_good_bad('BOOLEAN',
'A: Expected data of type bool',
good_datas=[True, False],
bad_datas=[1, 'foo'])
def test_integer(self):
self.assert_good_bad('INTEGER',
'A: Expected data of type int or str',
good_datas=[1, -1],
bad_datas=[[], None])
def test_real(self):
self.assert_good_bad('REAL',
'A: Expected data of type float or int',
good_datas=[1, -1.0],
bad_datas=['1.0', None])
def test_null(self):
self.assert_good_bad('NULL',
'A: Expected None',
good_datas=[None],
bad_datas=['1.0', 1])
def test_bit_string(self):
self.assert_good_bad('BIT STRING',
'A: Expected data of type tuple(bytes, int)',
good_datas=[(b'', 0)],
bad_datas=[1, '101', (1, 0, 1), None])
self.assert_good_bad('BIT STRING',
'A: Expected at least 1 bit(s) data',
good_datas=[],
bad_datas=[(b'', 1)],
bad_datas_strings=['0'])
def test_bytes(self):
self.assert_good_bad('OCTET STRING',
'A: Expected data of type bytes or bytearray',
good_datas=[b'7', bytearray()],
bad_datas=[1, {}, None])
def test_object_identifier(self):
self.assert_good_bad('OBJECT IDENTIFIER',
'A: Expected data of type str',
good_datas=['5', u'6'],
bad_datas=[1, {}, None])
def test_enumerated(self):
self.assert_good_bad('ENUMERATED { a(0) }',
'A: Expected data of type str',
good_datas=['5', u'6'],
bad_datas=[1, {}, None])
def test_sequence(self):
self.assert_good_bad('SEQUENCE { a NULL }',
'A: Expected data of type dict',
good_datas=[{}],
bad_datas=[(1, ), 1, b'101', None])
self.assert_good_bad('SEQUENCE { a A OPTIONAL }',
'A.a.A.a.A: Expected data of type dict',
good_datas=[{'a': {'a': {}}}],
bad_datas=[{'a': {'a': []}}],
bad_datas_strings=['[]'])
def test_sequence_of(self):
self.assert_good_bad('SEQUENCE OF NULL',
'A: Expected data of type list',
good_datas=[[None, None]],
bad_datas=[{}, None])
def test_set(self):
self.assert_good_bad('SET { a NULL }',
'A: Expected data of type dict',
good_datas=[{}],
bad_datas=[(1, ), 1, b'101', None])
def test_set_of(self):
self.assert_good_bad('SET OF NULL',
'A: Expected data of type list',
good_datas=[[None, None]],
bad_datas=[{}, None])
def test_choice(self):
self.assert_good_bad('CHOICE { a NULL }',
'A: Expected data of type tuple(str, object)',
good_datas=[('a', None)],
bad_datas=[(1, None), {'a': 1}, None])
self.assert_good_bad('CHOICE { a CHOICE { b CHOICE { c NULL } } }',
'A.a.b: Expected data of type tuple(str, object)',
good_datas=[('a', ('b', ('c', None)))],
bad_datas=[('a', ('b', {}))],
bad_datas_strings=['{}'])
def test_utf8_string(self):
self.assert_good_bad('UTF8String',
'A: Expected data of type str',
good_datas=['5', u'6'],
bad_datas=[1, {}, None])
def test_numeric_string(self):
self.assert_good_bad('NumericString',
'A: Expected data of type str',
good_datas=['5', u'6'],
bad_datas=[1, {}, None])
def test_printable_string(self):
self.assert_good_bad('PrintableString',
'A: Expected data of type str',
good_datas=['5', u'6'],
bad_datas=[1, {}, None])
def test_ia5_string(self):
self.assert_good_bad('IA5String',
'A: Expected data of type str',
good_datas=['5', u'6'],
bad_datas=[1, {}, None])
def test_visible_string(self):
self.assert_good_bad('VisibleString',
'A: Expected data of type str',
good_datas=['5', u'6'],
bad_datas=[1, {}, None])
def test_general_string(self):
self.assert_good_bad('GeneralString',
'A: Expected data of type str',
good_datas=['5', u'6'],
bad_datas=[1, {}, None])
def test_bmp_string(self):
self.assert_good_bad('BMPString',
'A: Expected data of type str',
good_datas=['5', u'6'],
bad_datas=[1, {}, None])
def test_graphic_string(self):
self.assert_good_bad('GraphicString',
'A: Expected data of type str',
good_datas=['5', u'6'],
bad_datas=[1, {}, None])
def test_teletex_string(self):
self.assert_good_bad('TeletexString',
'A: Expected data of type str',
good_datas=['5', u'6'],
bad_datas=[1, {}, None])
def test_universal_string(self):
self.assert_good_bad('UniversalString',
'A: Expected data of type str',
good_datas=['5', u'6'],
bad_datas=[1, {}, None])
def test_utc_time(self):
self.assert_good_bad('UTCTime',
'A: Expected data of type datetime.datetime',
good_datas=[datetime.datetime(1, 2, 3)],
bad_datas=[1.4, None])
def test_generalized_time(self):
self.assert_good_bad('GeneralizedTime',
'A: Expected data of type datetime.datetime',
good_datas=[datetime.datetime(1, 2, 3)],
bad_datas=[1.4, None])
def test_rrc_8_6_0(self):
rrc = asn1tools.codecs.type_checker.compile_dict(deepcopy(RRC_8_6_0))
decoded = {
'message': (
'c1',
(
'systemInformation',
{
'criticalExtensions': (
'systemInformation-r8',
{
'sib-TypeAndInfo': [
(
'sib2',
{
'ac-BarringInfo': {
'ac-BarringForEmergency': True,
'ac-BarringForMO-Data': {
'ac-BarringFactor': 'p95',
'ac-BarringTime': 's128',
'ac-BarringForSpecialAC': (b'\xf0', 5)
}
},
'radioResourceConfigCommon': {
'rach-ConfigCommon': {
'preambleInfo': {
'numberOfRA-Preambles': 'n24',
'preamblesGroupAConfig': {
'sizeOfRA-PreamblesGroupA': 'n28',
'messageSizeGroupA': 'b144',
'messagePowerOffsetGroupB': 'minusinfinity'
}
},
'powerRampingParameters': {
'powerRampingStep': 'dB0',
'preambleInitialReceivedTargetPower': 'dBm-102'
},
'ra-SupervisionInfo': {
'preambleTransMax': 'n8',
'ra-ResponseWindowSize': 'sf6',
'mac-ContentionResolutionTimer': 'sf48'
},
'maxHARQ-Msg3Tx': 8
},
'bcch-Config': {
'modificationPeriodCoeff': 'n2'
},
'pcch-Config': {
'defaultPagingCycle': 'rf256',
'nB': 'twoT'
},
'prach-Config': {
'rootSequenceIndex': 836,
'prach-ConfigInfo': {
'prach-ConfigIndex': 33,
'highSpeedFlag': False,
'zeroCorrelationZoneConfig': 10,
'prach-FreqOffset': 64
}
},
'pdsch-ConfigCommon': {
'referenceSignalPower': -60,
'p-b': 2
},
'pusch-ConfigCommon': {
'pusch-ConfigBasic': {
'n-SB': 1,
'hoppingMode': 'interSubFrame',
'pusch-HoppingOffset': 10,
'enable64QAM': False
},
'ul-ReferenceSignalsPUSCH': {
'groupHoppingEnabled': True,
'groupAssignmentPUSCH': 22,
'sequenceHoppingEnabled': False,
'cyclicShift': 5
}
},
'pucch-ConfigCommon': {
'deltaPUCCH-Shift': 'ds1',
'nRB-CQI': 98,
'nCS-AN': 4,
'n1PUCCH-AN': 2047
},
'soundingRS-UL-ConfigCommon': (
'setup',
{
'srs-BandwidthConfig': 'bw0',
'srs-SubframeConfig': 'sc4',
'ackNackSRS-SimultaneousTransmission': True
}),
'uplinkPowerControlCommon': {
'p0-NominalPUSCH': -126,
'alpha': 'al0',
'p0-NominalPUCCH': -127,
'deltaFList-PUCCH': {
'deltaF-PUCCH-Format1': 'deltaF-2',
'deltaF-PUCCH-Format1b': 'deltaF1',
'deltaF-PUCCH-Format2': 'deltaF0',
'deltaF-PUCCH-Format2a': 'deltaF-2',
'deltaF-PUCCH-Format2b': 'deltaF0'
},
'deltaPreambleMsg3': -1
},
'ul-CyclicPrefixLength': 'len1'
},
'ue-TimersAndConstants': {
't300': 'ms100',
't301': 'ms200',
't310': 'ms50',
'n310': 'n2',
't311': 'ms30000',
'n311': 'n2'
},
'freqInfo': {
'additionalSpectrumEmission': 3
},
'timeAlignmentTimerCommon': 'sf500'
}
),
(
'sib3',
{
'cellReselectionInfoCommon': {
'q-Hyst': 'dB0',
'speedStateReselectionPars': {
'mobilityStateParameters': {
't-Evaluation': 's180',
't-HystNormal': 's180',
'n-CellChangeMedium': 1,
'n-CellChangeHigh': 16
},
'q-HystSF': {
'sf-Medium': 'dB-6',
'sf-High': 'dB-4'
}
}
},
'cellReselectionServingFreqInfo': {
'threshServingLow': 7,
'cellReselectionPriority': 3
},
'intraFreqCellReselectionInfo': {
'q-RxLevMin': -33,
's-IntraSearch': 0,
'presenceAntennaPort1': False,
'neighCellConfig': (b'\x80', 2),
't-ReselectionEUTRA': 4
}
}
),
(
'sib4',
{
}
),
(
'sib5',
{
'interFreqCarrierFreqList': [
{
'dl-CarrierFreq': 1,
'q-RxLevMin': -45,
't-ReselectionEUTRA': 0,
'threshX-High': 31,
'threshX-Low': 29,
'allowedMeasBandwidth': 'mbw6',
'presenceAntennaPort1': True,
'neighCellConfig': (b'\x00', 2),
'q-OffsetFreq': 'dB0'
}
]
}
),
(
'sib6',
{
't-ReselectionUTRA': 3
}
),
('sib7',
{
't-ReselectionGERAN': 3
}
),
('sib8',
{
'parameters1XRTT': {
'longCodeState1XRTT': (b'\x01#Eg\x89\x00', 42)
}
}
),
(
'sib9',
{
'hnb-Name': b'4'
}
),
('sib10',
{
'messageIdentifier': (b'#4', 16),
'serialNumber': (b'\x124', 16),
'warningType': b'2\x12'
}
),
(
'sib11',
{
'messageIdentifier': (b'g\x88', 16),
'serialNumber': (b'T5', 16),
'warningMessageSegmentType': 'notLastSegment',
'warningMessageSegmentNumber': 19,
'warningMessageSegment': b'\x12'
}
)
]
}
)
}
)
)
}
rrc['EUTRA-RRC-Definitions']['BCCH-DL-SCH-Message'].encode(decoded)
def test_information_object(self):
# ToDo: Fix when supported.
return
information_object = asn1tools.codecs.type_checker.compile_dict(
deepcopy(INFORMATION_OBJECT))
# Message 1 - without constraints.
decoded = {
'id': 0,
'value': b'\x05',
'comment': 'item 0',
'extra': 2
}
information_object['InformationObject']['ItemWithoutConstraints'].encode(
decoded)
# Message 1 - with constraints.
decoded = {
'id': 0,
'value': True,
'comment': 'item 0',
'extra': 2
}
information_object['InformationObject']['ItemWithConstraints'].encode(
decoded)
# Message 1 failure - with constraints.
decoded = {
'id': 0,
'value': b'\x05',
'comment': 'item 0',
'extra': 2
}
# No checks of open types performed yet.
with self.assertRaises(AssertionError):
with self.assertRaises(asn1tools.EncodeError) as cm:
information_object['InformationObject']['ItemWithConstraints'].encode(
decoded)
self.assertEqual(str(cm.exception),
"Expected data of type bool, but got b'\x05'.")
# Message 2.
decoded = {
'id': 1,
'value': {
'myValue': 7,
'myType': 0
},
'comment': 'item 1',
'extra': 5
}
information_object['InformationObject']['ItemWithConstraints'].encode(
decoded)
# Message 3 - error class.
decoded = {
'errorCategory': 'A',
'errors': [
{
'errorCode': 1,
'errorInfo': 3
},
{
'errorCode': 2,
'errorInfo': True
}
]
}
information_object['InformationObject']['ErrorReturn'].encode(
decoded)
if __name__ == '__main__':
unittest.main()