TestStarStructNone.pseudo_salted_md5() - Code Metrics - Inspection of "Elem none" - sprout42/StarStruct - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#42)

by TJ

created 2016-12-20 21:09 UTC

TestStarStructNone.pseudo_salted_md5() A

↳ Parent: TestStarStructNone.test_single_element_1()

Complexity

Conditions

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes	6
Bugs	0	Features	0

Metric	Value
cc	2
c	6
b	0
f	0
dl	0
loc	7
rs	9.4285

#!/usr/bin/env python3

"""Tests for the starstruct class"""

import struct
import unittest
from hashlib import md5

from starstruct.message import Message


class TestStarStructNone(unittest.TestCase):
    """StarStruct module tests"""
    # TODO: Clean up these tests, change names, and move a bunch of the items to a helper function

    VarTest = Message('VarTest', [
        ('x', 'B'),
        ('y', 'B'),
    ])

    def test_single_element_1(self):
        def pseudo_salted_md5(salt, original):
            temp_md5 = md5(original)

            if salt is None:
                salt = b''

            return md5(salt + temp_md5.digest()).digest()

        def pack_salt(data):
            return b''.join(item.to_bytes(1, 'little') for item in data)

        TestStruct = Message('TestStruct', [
            ('length_in_objects', 'H', 'vardata'),
            ('vardata', self.VarTest, 'length_in_objects'),
        ])

        CRCedMessage = Message('CRCedMessage', [
            ('data', TestStruct),
            ('salted', None),
            ('function_data', '16B', {
                'make': (pseudo_salted_md5, 'salted', b'data'),
                'pack': (pseudo_salted_md5, 'salted', b'data'),
                'unpack': (pack_salt, 'function_data'),
            }, False),
        ])

        test_data = {
            'data': {
                'length_in_objects': 2,
                'vardata': [
                    {'x': 1, 'y': 2},
                    {'x': 3, 'y': 4},
                ],
            },
            'salted': b'random_salter',
        }

        made = CRCedMessage.make(test_data)
        assert len(made.data.vardata) == 2
        assert made.data.vardata[0].x == 1
        assert made.data.vardata[0].y == 2

        no_data = made.pack()
        regular = CRCedMessage.pack(**test_data)

        assert regular == no_data

        # Show that there's no room to have the random salter be packed
        len_data = len(no_data) - 16
        assert no_data[0:len_data] == struct.pack('HBBBB', 2, 1, 2, 3, 4)
        assert md5(
            b'random_salter' +
            md5(no_data[0:len_data]).digest()
        ).digest() == no_data[len_data:]

        unpacked = CRCedMessage.unpack(no_data)

        assert unpacked.salted is None
        assert unpacked.function_data == made.function_data

        # TEMP
        new = unpacked._replace(**{'salted': b'random_salter'})

        assert new.salted == b'random_salter'
        # print(new._asdict())

    def test_single_element_2(self):

        def pseudo_salted_md5(salt, original):
            temp_md5 = md5(original)

            if salt is None:
                salt = b''

            return md5(salt + temp_md5.digest()).digest()

        def do_nothing(data):
            return data

        TestStruct = Message('TestStruct', [
            ('length_in_objects', 'H', 'vardata'),
            ('vardata', self.VarTest, 'length_in_objects'),
        ])

        CRCedMessage = Message('CRCedMessage', [
            ('data', TestStruct),
            ('salted', None),
            ('function_data', '16B', {
                'make': (pseudo_salted_md5, 'salted', b'data'),
                'pack': (pseudo_salted_md5, 'salted', b'data'),
                'unpack': (do_nothing, 'function_data'),
            }, False),
        ])

        test_data = {
            'data': {
                'length_in_objects': 2,
                'vardata': [
                    {'x': 1, 'y': 2},
                    {'x': 3, 'y': 4},
                ],
            },
            'salted': b'random_salter',
        }

        made = CRCedMessage.make(test_data)
        assert len(made.data.vardata) == 2
        assert made.data.vardata[0].x == 1
        assert made.data.vardata[0].y == 2

        no_data = made.pack()
        regular = CRCedMessage.pack(**test_data)

        assert regular == no_data

        # Show that there's no room to have the random salter be packed
        len_data = len(no_data) - 16
        assert no_data[0:len_data] == struct.pack('HBBBB', 2, 1, 2, 3, 4)
        assert md5(
            b'random_salter' +
            md5(no_data[0:len_data]).digest()
        ).digest() == no_data[len_data:]

        unpacked = CRCedMessage.unpack(no_data)

        assert unpacked.salted is None
        # This is non symmetric for this test, so we can't just check based on the made item
        assert unpacked.function_data == (157, 38, 247, 245, 5, 71, 43, 227, 80, 44, 10, 243, 48, 248, 163, 207)

        # TEMP
        new = unpacked._replace(**{'salted': b'random_salter'})

        assert new.salted == b'random_salter'
        # print(new._asdict())

    def test_single_element_3(self):

        def pseudo_salted_md5(salt, original):
            temp_md5 = md5(original)

            if salt is None:
                salt = b''

            return md5(salt + temp_md5.digest()).digest()

        def double(data):
            return [item * 2 for item in data]

        TestStruct = Message('TestStruct', [
            ('length_in_objects', 'H', 'vardata'),
            ('vardata', self.VarTest, 'length_in_objects'),
        ])

        CRCedMessage = Message('CRCedMessage', [
            ('data', TestStruct),
            ('salted', None),
            ('function_data', '16B', {
                'make': (pseudo_salted_md5, 'salted', b'data'),
                'pack': (pseudo_salted_md5, 'salted', b'data'),
                'unpack': (double, 'function_data'),
            }, False),
        ])

        test_data = {
            'data': {
                'length_in_objects': 2,
                'vardata': [
                    {'x': 1, 'y': 2},
                    {'x': 3, 'y': 4},
                ],
            },
            'salted': b'random_salter',
        }

        made = CRCedMessage.make(test_data)
        assert len(made.data.vardata) == 2
        assert made.data.vardata[0].x == 1
        assert made.data.vardata[0].y == 2

        no_data = made.pack()
        regular = CRCedMessage.pack(**test_data)

        assert regular == no_data

        # Show that there's no room to have the random salter be packed
        len_data = len(no_data) - 16
        assert no_data[0:len_data] == struct.pack('HBBBB', 2, 1, 2, 3, 4)
        assert md5(
            b'random_salter' +
            md5(no_data[0:len_data]).digest()
        ).digest() == no_data[len_data:]

        unpacked = CRCedMessage.unpack(no_data)

        assert unpacked.salted is None
        # This is non symmetric for this test, so we can't just check based on the made item
        assert unpacked.function_data == [314, 76, 494, 490, 10, 142, 86, 454, 160, 88, 20, 486, 96, 496, 326, 414]

    def test_single_element_4(self):

        def pseudo_salted_md5(salt, original):
            temp_md5 = md5(original)

            if salt is None:
                salt = b''

            return md5(salt + temp_md5.digest()).digest()

        def double(data):
            return [item * 2 for item in data]

        TestStruct = Message('TestStruct', [
            ('length_in_objects', 'H', 'vardata'),
            ('vardata', self.VarTest, 'length_in_objects'),
        ])

        # This one has nothing to do with the original packed message
        CRCedMessage = Message('CRCedMessage', [
            ('data', TestStruct),
            ('salted', None),
            ('function_data', '16B', {
                'make': (pseudo_salted_md5, 'salted', b'data'),
                'pack': (pseudo_salted_md5, 'salted', b'data'),
                'unpack': (double, b'data'),
            }, False),
        ])

        test_data = {
            'data': {
                'length_in_objects': 2,
                'vardata': [
                    {'x': 1, 'y': 2},
                    {'x': 3, 'y': 4},
                ],
            },
            'salted': b'random_salter',
        }

        made = CRCedMessage.make(test_data)
        assert len(made.data.vardata) == 2
        assert made.data.vardata[0].x == 1
        assert made.data.vardata[0].y == 2

        no_data = made.pack()
        regular = CRCedMessage.pack(**test_data)

        assert regular == no_data

        # Show that there's no room to have the random salter be packed
        len_data = len(no_data) - 16
        assert no_data[0:len_data] == struct.pack('HBBBB', 2, 1, 2, 3, 4)
        assert md5(
            b'random_salter' +
            md5(no_data[0:len_data]).digest()
        ).digest() == no_data[len_data:]

        unpacked = CRCedMessage.unpack(no_data)

        assert unpacked.salted is None
        # This is non symmetric for this test, so we can't just check based on the made item
        assert unpacked.function_data == [4, 0, 2, 4, 6, 8]

    def test_nounpack_function(self):
        def pseudo_salted_md5(salt, original):
            temp_md5 = md5(original)

            if salt is None:
                salt = b''

            return md5(salt + temp_md5.digest()).digest()

        TestStruct = Message('TestStruct', [
            ('length_in_objects', 'H', 'vardata'),
            ('vardata', self.VarTest, 'length_in_objects'),
        ])

        # This one has nothing to do with the original packed message
        ExplicitNone = Message('Explicit', [
            ('data', TestStruct),
            ('salted', None),
            ('function_data', '16B', {
                'make': (pseudo_salted_md5, 'salted', b'data'),
                'pack': (pseudo_salted_md5, 'salted', b'data'),
                'unpack': (None, ),
            }, False),
        ])

        ImplicitNone = Message('Implicit', [
            ('data', TestStruct),
            ('salted', None),
            ('function_data', '16B', {
                'make': (pseudo_salted_md5, 'salted', b'data'),
                'pack': (pseudo_salted_md5, 'salted', b'data'),
            }, False),
        ])

        test_data = {
            'data': {
                'length_in_objects': 2,
                'vardata': [
                    {'x': 1, 'y': 2},
                    {'x': 3, 'y': 4},
                ],
            },
            'salted': b'random_salter',
        }

        made = ExplicitNone.make(test_data)
        assert len(made.data.vardata) == 2
        assert made.data.vardata[0].x == 1
        assert made.data.vardata[0].y == 2

        no_data = made.pack()
        regular = ExplicitNone.pack(**test_data)

        assert regular == no_data

        # Show that there's no room to have the random salter be packed
        len_data = len(no_data) - 16
        assert no_data[0:len_data] == struct.pack('HBBBB', 2, 1, 2, 3, 4)
        assert md5(
            b'random_salter' +
            md5(no_data[0:len_data]).digest()
        ).digest() == no_data[len_data:]

        unpacked = ExplicitNone.unpack(no_data)

        assert unpacked.salted is None
        assert unpacked.function_data == (157, 38, 247, 245, 5, 71, 43, 227, 80, 44, 10, 243, 48, 248, 163, 207)

        made = ImplicitNone.make(test_data)
        assert len(made.data.vardata) == 2
        assert made.data.vardata[0].x == 1
        assert made.data.vardata[0].y == 2

        no_data = made.pack()
        regular = ImplicitNone.pack(**test_data)

        assert regular == no_data

        # Show that there's no room to have the random salter be packed
        len_data = len(no_data) - 16
        assert no_data[0:len_data] == struct.pack('HBBBB', 2, 1, 2, 3, 4)
        assert md5(
            b'random_salter' +
            md5(no_data[0:len_data]).digest()
        ).digest() == no_data[len_data:]

        unpacked = ImplicitNone.unpack(no_data)

        assert unpacked.salted is None
        assert unpacked.function_data == (157, 38, 247, 245, 5, 71, 43, 227, 80, 44, 10, 243, 48, 248, 163, 207)


1		#!/usr/bin/env python3
2
3		"""Tests for the starstruct class"""
4
5		import struct
6		import unittest
7		from hashlib import md5
8
9		from starstruct.message import Message
10
11
12		class TestStarStructNone(unittest.TestCase):
13		"""StarStruct module tests"""
14		# TODO: Clean up these tests, change names, and move a bunch of the items to a helper function
15
16		VarTest = Message('VarTest', [
17		('x', 'B'),
18		('y', 'B'),
19		])
20
21		def test_single_element_1(self):
22		def pseudo_salted_md5(salt, original):
23		temp_md5 = md5(original)
24
25		if salt is None:
26		salt = b''
27
28		return md5(salt + temp_md5.digest()).digest()
29
30		def pack_salt(data):
31		return b''.join(item.to_bytes(1, 'little') for item in data)
32
33		TestStruct = Message('TestStruct', [
34		('length_in_objects', 'H', 'vardata'),
35		('vardata', self.VarTest, 'length_in_objects'),
36		])
37
38		CRCedMessage = Message('CRCedMessage', [
39		('data', TestStruct),
40		('salted', None),
41		('function_data', '16B', {
42		'make': (pseudo_salted_md5, 'salted', b'data'),
43		'pack': (pseudo_salted_md5, 'salted', b'data'),
44		'unpack': (pack_salt, 'function_data'),
45		}, False),
46		])
47
48		test_data = {
49		'data': {
50		'length_in_objects': 2,
51		'vardata': [
52		{'x': 1, 'y': 2},
53		{'x': 3, 'y': 4},
54		],
55		},
56		'salted': b'random_salter',
57		}
58
59		made = CRCedMessage.make(test_data)
60		assert len(made.data.vardata) == 2
61		assert made.data.vardata[0].x == 1
62		assert made.data.vardata[0].y == 2
63
64		no_data = made.pack()
65		regular = CRCedMessage.pack(**test_data)
		0 ignored issues – show Coding Style introduced 2016-12-19 19:55 UTC by Report Bug Copy Issue Report Usage of `` or `` arguments should usually be done with care. Generally, there is nothing wrong with usage of `` or `**` arguments. For readability of the code base, we suggest to not over-use these language constructs though. For more information, we can recommend this blog post from Ned Batchelder including its comments which also touches this aspect. Loading history...
66		assert regular == no_data
67
68		# Show that there's no room to have the random salter be packed
69		len_data = len(no_data) - 16
70		assert no_data[0:len_data] == struct.pack('HBBBB', 2, 1, 2, 3, 4)
71		assert md5(
72		b'random_salter' +
73		md5(no_data[0:len_data]).digest()
74		).digest() == no_data[len_data:]
75
76		unpacked = CRCedMessage.unpack(no_data)
77
78		assert unpacked.salted is None
79		assert unpacked.function_data == made.function_data
80
81		# TEMP
82		new = unpacked._replace(**{'salted': b'random_salter'})
		0 ignored issues – show Coding Style introduced 2016-12-19 20:26 UTC by Report Bug Copy Issue Report Usage of `` or `` arguments should usually be done with care. Generally, there is nothing wrong with usage of `` or `**` arguments. For readability of the code base, we suggest to not over-use these language constructs though. For more information, we can recommend this blog post from Ned Batchelder including its comments which also touches this aspect. Loading history...
83		assert new.salted == b'random_salter'
84		# print(new._asdict())
85
86	View Code Duplication	def test_single_element_2(self):
		0 ignored issues – show Duplication introduced 2016-12-20 21:16 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
87		def pseudo_salted_md5(salt, original):
88		temp_md5 = md5(original)
89
90		if salt is None:
91		salt = b''
92
93		return md5(salt + temp_md5.digest()).digest()
94
95		def do_nothing(data):
96		return data
97
98		TestStruct = Message('TestStruct', [
99		('length_in_objects', 'H', 'vardata'),
100		('vardata', self.VarTest, 'length_in_objects'),
101		])
102
103		CRCedMessage = Message('CRCedMessage', [
104		('data', TestStruct),
105		('salted', None),
106		('function_data', '16B', {
107		'make': (pseudo_salted_md5, 'salted', b'data'),
108		'pack': (pseudo_salted_md5, 'salted', b'data'),
109		'unpack': (do_nothing, 'function_data'),
110		}, False),
111		])
112
113		test_data = {
114		'data': {
115		'length_in_objects': 2,
116		'vardata': [
117		{'x': 1, 'y': 2},
118		{'x': 3, 'y': 4},
119		],
120		},
121		'salted': b'random_salter',
122		}
123
124		made = CRCedMessage.make(test_data)
125		assert len(made.data.vardata) == 2
126		assert made.data.vardata[0].x == 1
127		assert made.data.vardata[0].y == 2
128
129		no_data = made.pack()
130		regular = CRCedMessage.pack(**test_data)
		0 ignored issues – show Coding Style introduced 2016-12-20 21:16 UTC by Report Bug Copy Issue Report Usage of `` or `` arguments should usually be done with care. Generally, there is nothing wrong with usage of `` or `**` arguments. For readability of the code base, we suggest to not over-use these language constructs though. For more information, we can recommend this blog post from Ned Batchelder including its comments which also touches this aspect. Loading history...
131		assert regular == no_data
132
133		# Show that there's no room to have the random salter be packed
134		len_data = len(no_data) - 16
135		assert no_data[0:len_data] == struct.pack('HBBBB', 2, 1, 2, 3, 4)
136		assert md5(
137		b'random_salter' +
138		md5(no_data[0:len_data]).digest()
139		).digest() == no_data[len_data:]
140
141		unpacked = CRCedMessage.unpack(no_data)
142
143		assert unpacked.salted is None
144		# This is non symmetric for this test, so we can't just check based on the made item
145		assert unpacked.function_data == (157, 38, 247, 245, 5, 71, 43, 227, 80, 44, 10, 243, 48, 248, 163, 207)
146
147		# TEMP
148		new = unpacked._replace(**{'salted': b'random_salter'})
		0 ignored issues – show Coding Style introduced 2016-12-20 21:16 UTC by Report Bug Copy Issue Report Usage of `` or `` arguments should usually be done with care. Generally, there is nothing wrong with usage of `` or `**` arguments. For readability of the code base, we suggest to not over-use these language constructs though. For more information, we can recommend this blog post from Ned Batchelder including its comments which also touches this aspect. Loading history...
149		assert new.salted == b'random_salter'
150		# print(new._asdict())
151
152	View Code Duplication	def test_single_element_3(self):
		0 ignored issues – show Duplication introduced 2016-12-20 21:16 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
153		def pseudo_salted_md5(salt, original):
154		temp_md5 = md5(original)
155
156		if salt is None:
157		salt = b''
158
159		return md5(salt + temp_md5.digest()).digest()
160
161		def double(data):
162		return [item * 2 for item in data]
163
164		TestStruct = Message('TestStruct', [
165		('length_in_objects', 'H', 'vardata'),
166		('vardata', self.VarTest, 'length_in_objects'),
167		])
168
169		CRCedMessage = Message('CRCedMessage', [
170		('data', TestStruct),
171		('salted', None),
172		('function_data', '16B', {
173		'make': (pseudo_salted_md5, 'salted', b'data'),
174		'pack': (pseudo_salted_md5, 'salted', b'data'),
175		'unpack': (double, 'function_data'),
176		}, False),
177		])
178
179		test_data = {
180		'data': {
181		'length_in_objects': 2,
182		'vardata': [
183		{'x': 1, 'y': 2},
184		{'x': 3, 'y': 4},
185		],
186		},
187		'salted': b'random_salter',
188		}
189
190		made = CRCedMessage.make(test_data)
191		assert len(made.data.vardata) == 2
192		assert made.data.vardata[0].x == 1
193		assert made.data.vardata[0].y == 2
194
195		no_data = made.pack()
196		regular = CRCedMessage.pack(**test_data)
		0 ignored issues – show Coding Style introduced 2016-12-20 21:16 UTC by Report Bug Copy Issue Report Usage of `` or `` arguments should usually be done with care. Generally, there is nothing wrong with usage of `` or `**` arguments. For readability of the code base, we suggest to not over-use these language constructs though. For more information, we can recommend this blog post from Ned Batchelder including its comments which also touches this aspect. Loading history...
197		assert regular == no_data
198
199		# Show that there's no room to have the random salter be packed
200		len_data = len(no_data) - 16
201		assert no_data[0:len_data] == struct.pack('HBBBB', 2, 1, 2, 3, 4)
202		assert md5(
203		b'random_salter' +
204		md5(no_data[0:len_data]).digest()
205		).digest() == no_data[len_data:]
206
207		unpacked = CRCedMessage.unpack(no_data)
208
209		assert unpacked.salted is None
210		# This is non symmetric for this test, so we can't just check based on the made item
211		assert unpacked.function_data == [314, 76, 494, 490, 10, 142, 86, 454, 160, 88, 20, 486, 96, 496, 326, 414]
212
213	View Code Duplication	def test_single_element_4(self):
		0 ignored issues – show Duplication introduced 2016-12-20 21:16 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
214		def pseudo_salted_md5(salt, original):
215		temp_md5 = md5(original)
216
217		if salt is None:
218		salt = b''
219
220		return md5(salt + temp_md5.digest()).digest()
221
222		def double(data):
223		return [item * 2 for item in data]
224
225		TestStruct = Message('TestStruct', [
226		('length_in_objects', 'H', 'vardata'),
227		('vardata', self.VarTest, 'length_in_objects'),
228		])
229
230		# This one has nothing to do with the original packed message
231		CRCedMessage = Message('CRCedMessage', [
232		('data', TestStruct),
233		('salted', None),
234		('function_data', '16B', {
235		'make': (pseudo_salted_md5, 'salted', b'data'),
236		'pack': (pseudo_salted_md5, 'salted', b'data'),
237		'unpack': (double, b'data'),
238		}, False),
239		])
240
241		test_data = {
242		'data': {
243		'length_in_objects': 2,
244		'vardata': [
245		{'x': 1, 'y': 2},
246		{'x': 3, 'y': 4},
247		],
248		},
249		'salted': b'random_salter',
250		}
251
252		made = CRCedMessage.make(test_data)
253		assert len(made.data.vardata) == 2
254		assert made.data.vardata[0].x == 1
255		assert made.data.vardata[0].y == 2
256
257		no_data = made.pack()
258		regular = CRCedMessage.pack(**test_data)
		0 ignored issues – show Coding Style introduced 2016-12-20 21:16 UTC by Report Bug Copy Issue Report Usage of `` or `` arguments should usually be done with care. Generally, there is nothing wrong with usage of `` or `**` arguments. For readability of the code base, we suggest to not over-use these language constructs though. For more information, we can recommend this blog post from Ned Batchelder including its comments which also touches this aspect. Loading history...
259		assert regular == no_data
260
261		# Show that there's no room to have the random salter be packed
262		len_data = len(no_data) - 16
263		assert no_data[0:len_data] == struct.pack('HBBBB', 2, 1, 2, 3, 4)
264		assert md5(
265		b'random_salter' +
266		md5(no_data[0:len_data]).digest()
267		).digest() == no_data[len_data:]
268
269		unpacked = CRCedMessage.unpack(no_data)
270
271		assert unpacked.salted is None
272		# This is non symmetric for this test, so we can't just check based on the made item
273		assert unpacked.function_data == [4, 0, 2, 4, 6, 8]
274
275		def test_nounpack_function(self):
276		def pseudo_salted_md5(salt, original):
277		temp_md5 = md5(original)
278
279		if salt is None:
280		salt = b''
281
282		return md5(salt + temp_md5.digest()).digest()
283
284		TestStruct = Message('TestStruct', [
285		('length_in_objects', 'H', 'vardata'),
286		('vardata', self.VarTest, 'length_in_objects'),
287		])
288
289		# This one has nothing to do with the original packed message
290		ExplicitNone = Message('Explicit', [
291		('data', TestStruct),
292		('salted', None),
293		('function_data', '16B', {
294		'make': (pseudo_salted_md5, 'salted', b'data'),
295		'pack': (pseudo_salted_md5, 'salted', b'data'),
296		'unpack': (None, ),
297		}, False),
298		])
299
300		ImplicitNone = Message('Implicit', [
301		('data', TestStruct),
302		('salted', None),
303		('function_data', '16B', {
304		'make': (pseudo_salted_md5, 'salted', b'data'),
305		'pack': (pseudo_salted_md5, 'salted', b'data'),
306		}, False),
307		])
308
309		test_data = {
310		'data': {
311		'length_in_objects': 2,
312		'vardata': [
313		{'x': 1, 'y': 2},
314		{'x': 3, 'y': 4},
315		],
316		},
317		'salted': b'random_salter',
318		}
319
320		made = ExplicitNone.make(test_data)
321		assert len(made.data.vardata) == 2
322		assert made.data.vardata[0].x == 1
323		assert made.data.vardata[0].y == 2
324
325		no_data = made.pack()
326		regular = ExplicitNone.pack(**test_data)
		0 ignored issues – show Coding Style introduced 2016-12-20 21:16 UTC by Report Bug Copy Issue Report Usage of `` or `` arguments should usually be done with care. Generally, there is nothing wrong with usage of `` or `**` arguments. For readability of the code base, we suggest to not over-use these language constructs though. For more information, we can recommend this blog post from Ned Batchelder including its comments which also touches this aspect. Loading history...
327		assert regular == no_data
328
329		# Show that there's no room to have the random salter be packed
330		len_data = len(no_data) - 16
331		assert no_data[0:len_data] == struct.pack('HBBBB', 2, 1, 2, 3, 4)
332		assert md5(
333		b'random_salter' +
334		md5(no_data[0:len_data]).digest()
335		).digest() == no_data[len_data:]
336
337		unpacked = ExplicitNone.unpack(no_data)
338
339		assert unpacked.salted is None
340		assert unpacked.function_data == (157, 38, 247, 245, 5, 71, 43, 227, 80, 44, 10, 243, 48, 248, 163, 207)
341
342		made = ImplicitNone.make(test_data)
343		assert len(made.data.vardata) == 2
344		assert made.data.vardata[0].x == 1
345		assert made.data.vardata[0].y == 2
346
347		no_data = made.pack()
348		regular = ImplicitNone.pack(**test_data)
		0 ignored issues – show Coding Style introduced 2016-12-20 21:16 UTC by Report Bug Copy Issue Report Usage of `` or `` arguments should usually be done with care. Generally, there is nothing wrong with usage of `` or `**` arguments. For readability of the code base, we suggest to not over-use these language constructs though. For more information, we can recommend this blog post from Ned Batchelder including its comments which also touches this aspect. Loading history...
349		assert regular == no_data
350
351		# Show that there's no room to have the random salter be packed
352		len_data = len(no_data) - 16
353		assert no_data[0:len_data] == struct.pack('HBBBB', 2, 1, 2, 3, 4)
354		assert md5(
355		b'random_salter' +
356		md5(no_data[0:len_data]).digest()
357		).digest() == no_data[len_data:]
358
359		unpacked = ImplicitNone.unpack(no_data)
360
361		assert unpacked.salted is None
362		assert unpacked.function_data == (157, 38, 247, 245, 5, 71, 43, 227, 80, 44, 10, 243, 48, 248, 163, 207)
363

sprout42 / StarStruct

Pull Request — master (#42)

TestStarStructNone.pseudo_salted_md5() A

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