TestStarStruct.test_length_after_item() - Code Metrics - Inspection of "Add escaped item" - sprout42/StarStruct - Measure and Improve Code Quality continuously with Scrutinizer

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TestStarStruct.test_length_after_item() B

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c	1
b	0
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dl	0
loc	31
rs	8.0894

#!/usr/bin/env python3

"""Tests for the starstruct class"""

import enum
import struct
import unittest

import pytest

from starstruct.message import Message
# from starstruct.modes import Mode


class SimpleEnum(enum.Enum):
    """Simple enum class for testing message pack/unpack"""
    one = 1
    two = 2
    three = 3


# pylint: disable=line-too-long,invalid-name
class TestStarStruct(unittest.TestCase):
    """StarStruct module tests"""

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

    Repeated = Message('Repeated', [
        ('x', 'B'),
        ('z', 'H'),
    ])

    def test_no_data(self):
        num_repeats = 4

        TestStruct = Message('TestStruct', [
            ('length', 'H', 'vardata'),
            ('vardata', self.VarTest, 'length'),
            ('repeated_data', self.Repeated, num_repeats),
        ])
        test_data_no_data = {
            'length': 0,
            'vardata': [],
            'repeated_data': [
            ],
        }

        made = TestStruct.make(test_data_no_data)
        assert made.length == 0
        assert made.vardata == []
        assert made.repeated_data == []

        packed = TestStruct.pack(test_data_no_data)
        assert packed == struct.pack('H', 0) + (struct.pack('B', 0) + struct.pack('H', 0)) * num_repeats

    def test_some_data(self):

        num_repeats = 3

        TestStruct = Message('TestStruct', [
            ('length', 'H', 'vardata'),
            ('vardata', self.VarTest, 'length'),
            ('repeated_data', self.Repeated, num_repeats),
        ])

        test_data = {
            'length': 2,
            'vardata': [
                {'x': 1, 'y': 2},
                {'x': 3, 'y': 4},
            ],
            'repeated_data': [
                {'x': 7, 'z': 13},
                {'x': 2, 'z': 27},
                {'x': 6, 'z': 11},
            ],
        }

        made = TestStruct.make(test_data)
        assert made.length == 2
        assert len(made.vardata) == 2
        assert len(made.repeated_data) == 3

        packed = TestStruct.pack(test_data)
        assert packed == struct.pack('H', 2) + \
            struct.pack('BB', 1, 2) + \
            struct.pack('BB', 3, 4) + \
            (struct.pack('B', 7) + struct.pack('H', 13)) + \
            (struct.pack('B', 2) + struct.pack('H', 27)) + \
            (struct.pack('B', 6) + struct.pack('H', 11))

    def test_not_all_fixed_data(self):

        num_repeats = 5

        TestStruct = Message('TestStruct', [
            ('length', 'H', 'vardata'),
            ('vardata', self.VarTest, 'length'),
            ('repeated_data', self.Repeated, num_repeats),
        ])

        test_data = {
            'length': 1,
            'vardata': [
                {'x': 255, 'y': 127},
            ],
            'repeated_data': [
                {'x': 6, 'z': 12},
                {'x': 1, 'z': 26},
                {'x': 5, 'z': 10},
            ],
        }

        made = TestStruct.make(test_data)
        assert made.length == 1
        assert len(made.vardata) == 1
        assert len(made.repeated_data) == 3

        packed = TestStruct.pack(test_data)
        assert packed == struct.pack('H', 1) + \
            struct.pack('BB', 255, 127) + \
            (struct.pack('B', 6) + struct.pack('H', 12)) + \
            (struct.pack('B', 1) + struct.pack('H', 26)) + \
            (struct.pack('B', 5) + struct.pack('H', 10)) + \
            (struct.pack('B', 0) + struct.pack('H', 0)) * 2

    def test_byte_length_no_data(self):

        TestStruct = Message('TestStruct', [
            ('length_in_objects', 'H', 'vardata'),
            ('vardata', self.VarTest, 'length_in_objects'),
            (b'length_in_bytes', 'H', 'bytesdata'),
            ('bytesdata', self.VarTest, b'length_in_bytes'),

        ])
        test_data_no_data = {
            'length_in_objects': 0,
            'vardata': [],
            'length_in_bytes': 0,
            'bytesdata': [],
        }

        made = TestStruct.make(test_data_no_data)
        assert made.length_in_objects == 0
        assert made.vardata == []
        assert made.length_in_bytes == 0
        assert made.bytesdata == []

        packed = TestStruct.pack(test_data_no_data)
        assert packed == \
            struct.pack('H', 0) + \
            struct.pack('H', 0)

    def test_byte_length_some_data(self):

        TestStruct = Message('TestStruct', [
            ('length_in_objects', 'H', 'vardata'),
            ('vardata', self.VarTest, 'length_in_objects'),
            (b'length_in_bytes', 'H', 'bytesdata'),
            ('bytesdata', self.VarTest, b'length_in_bytes'),

        ])
        test_data_no_data = {
            'length_in_objects': 1,
            'vardata': [
                {'x': 255, 'y': 127},
            ],
            'length_in_bytes': 2,
            'bytesdata': [
                {'x': 254, 'y': 126},
            ],
        }

        made = TestStruct.make(test_data_no_data)
        assert made.length_in_objects == 1
        assert made.vardata == [
            self.VarTest.make(
                {'x': 255, 'y': 127}
            )]
        assert made.length_in_bytes == 2
        assert made.bytesdata == [
            self.VarTest.make(
                {'x': 254, 'y': 126}
            )]

        packed = TestStruct.pack(test_data_no_data)
        assert packed == \
            struct.pack('H', 1) + \
            struct.pack('BB', 255, 127) + \
            struct.pack('H', 2) + \
            struct.pack('BB', 254, 126)

    def test_byte_length_more_data(self):
        TestStruct = Message('TestStruct', [
            ('length_in_objects', 'H', 'vardata'),
            ('vardata', self.VarTest, 'length_in_objects'),
            (b'length_in_bytes', 'H', 'bytesdata'),
            ('bytesdata', self.VarTest, b'length_in_bytes'),

        ])

        test_data_no_data = {
            'length_in_objects': 1,
            'vardata': [
                {'x': 255, 'y': 127},
            ],
            'length_in_bytes': 10,
            'bytesdata': [
                {'x': 254, 'y': 126},
                {'x': 25, 'y': 16},
                {'x': 24, 'y': 26},
                {'x': 54, 'y': 17},
                {'x': 25, 'y': 12},
            ],
        }

        made = TestStruct.make(test_data_no_data)
        assert made.length_in_objects == 1
        assert made.vardata == [
            self.VarTest.make(
                {'x': 255, 'y': 127}
            )]
        assert made.length_in_bytes == 10
        assert made.bytesdata == [
            self.VarTest.make(
                {'x': 254, 'y': 126}
            ),
            self.VarTest.make(
                {'x': 25, 'y': 16},
            ),
            self.VarTest.make(
                {'x': 24, 'y': 26},
            ),
            self.VarTest.make(
                {'x': 54, 'y': 17},
            ),
            self.VarTest.make(
                {'x': 25, 'y': 12},
            ),
        ]

        packed = TestStruct.pack(test_data_no_data)
        assert packed == \
            struct.pack('H', 1) + \
            struct.pack('BB', 255, 127) + \
            struct.pack('H', 10) + \
            struct.pack('BB', 254, 126) + \
            struct.pack('BB', 25, 16) + \
            struct.pack('BB', 24, 26) + \
            struct.pack('BB', 54, 17) + \
            struct.pack('BB', 25, 12)

    def test_unpacking_of_correct_size(self):
        packed_element = \
            struct.pack('H', 1) + \
            struct.pack('BB', 255, 127) + \
            struct.pack('H', 10) + \
            struct.pack('BB', 254, 126) + \
            struct.pack('BB', 25, 16) + \
            struct.pack('BB', 24, 26) + \
            struct.pack('BB', 54, 17) + \
            struct.pack('BB', 25, 12)

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

        unpacked = TestStruct.unpack(packed_element)

        assert unpacked
        assert unpacked.length_in_objects == 1
        assert unpacked.length_in_bytes == 10

    def test_unpacking_of_too_little_bytes(self):
        # Only pack four elements, instead of the five
        packed_element = \
            struct.pack('H', 1) + \
            struct.pack('BB', 255, 127) + \
            struct.pack('H', 10) + \
            struct.pack('BB', 254, 126) + \
            struct.pack('BB', 25, 16) + \
            struct.pack('BB', 24, 26) + \
            struct.pack('BB', 54, 17)

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

        with pytest.raises(struct.error):
            unpacked = TestStruct.unpack(packed_element)
            assert unpacked

    def test_unpacking_of_too_many_bytes(self):
        packed_element = \
            struct.pack('H', 1) + \
            struct.pack('BB', 255, 127) + \
            struct.pack('H', 10) + \
            struct.pack('BB', 254, 126) + \
            struct.pack('BB', 25, 16) + \
            struct.pack('BB', 24, 26) + \
            struct.pack('BB', 24, 26) + \
            struct.pack('BB', 24, 26) + \
            struct.pack('BB', 24, 26) + \
            struct.pack('BB', 24, 26) + \
            struct.pack('BB', 24, 26) + \
            struct.pack('BB', 54, 17)

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

        with pytest.raises(ValueError):
            unpacked = TestStruct.unpack(packed_element)
            assert unpacked

    def test_single_element(self):

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

        test_data = {
            'length': 2,
            'vardata': [
                {'x': 1, 'y': 2},
                {'x': 3, 'y': 4},
            ],
            'single_data': [
                {'x': 6, 'y': 11},
            ],
        }

        made = TestStruct.make(test_data)
        assert len(made.vardata) == 2
        assert made.single_data.x == 6
        assert made.single_data.y == 11

    def test_single_element_2(self):

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

        test_data = {
            'length': 2,
            'vardata': [
                {'x': 1, 'y': 2},
                {'x': 3, 'y': 4},
            ],
            'single_data': {'x': 6, 'y': 11},
        }

        made = TestStruct.make(test_data)
        assert len(made.vardata) == 2
        assert made.single_data.x == 6
        assert made.single_data.y == 11

    @pytest.mark.skip('Not implemented. Might not be possible')
    def test_length_after_item(self):
        num_repeats = 3

        TestStruct = Message('TestStruct', [
            ('vardata', self.VarTest, 'length'),
            ('length', 'H', 'vardata'),
            ('repeated_data', self.Repeated, num_repeats),
        ])

        test_data = {
            'length': 2,
            'vardata': [
                {'x': 1, 'y': 2},
                {'x': 3, 'y': 4},
            ],
            'repeated_data': [
                {'x': 7, 'z': 13},
                {'x': 2, 'z': 27},
                {'x': 6, 'z': 11},
            ],
        }

        made = TestStruct.make(test_data)
        assert made.length == 2
        assert made.vardata[0].x == 1
        assert made.vardata[0].y == 2

        packed = TestStruct.pack(test_data)
        unpacked = TestStruct.unpack(packed)
        assert unpacked


1		#!/usr/bin/env python3
2
3		"""Tests for the starstruct class"""
4
5		import enum
6		import struct
7		import unittest
8
9		import pytest
10
11		from starstruct.message import Message
12		# from starstruct.modes import Mode
13
14
15		class SimpleEnum(enum.Enum):
16		"""Simple enum class for testing message pack/unpack"""
17		one = 1
18		two = 2
19		three = 3
20
21
22		# pylint: disable=line-too-long,invalid-name
23		class TestStarStruct(unittest.TestCase):
24		"""StarStruct module tests"""
25
26		VarTest = Message('VarTest', [
27		('x', 'B'),
28		('y', 'B'),
29		])
30
31		Repeated = Message('Repeated', [
32		('x', 'B'),
33		('z', 'H'),
34		])
35
36		def test_no_data(self):
37		num_repeats = 4
38
39		TestStruct = Message('TestStruct', [
40		('length', 'H', 'vardata'),
41		('vardata', self.VarTest, 'length'),
42		('repeated_data', self.Repeated, num_repeats),
43		])
44		test_data_no_data = {
45		'length': 0,
46		'vardata': [],
47		'repeated_data': [
48		],
49		}
50
51		made = TestStruct.make(test_data_no_data)
52		assert made.length == 0
53		assert made.vardata == []
54		assert made.repeated_data == []
55
56		packed = TestStruct.pack(test_data_no_data)
57		assert packed == struct.pack('H', 0) + (struct.pack('B', 0) + struct.pack('H', 0)) * num_repeats
58
59	View Code Duplication	def test_some_data(self):
		0 ignored issues – show Duplication introduced 2016-10-18 13:25 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
60		num_repeats = 3
61
62		TestStruct = Message('TestStruct', [
63		('length', 'H', 'vardata'),
64		('vardata', self.VarTest, 'length'),
65		('repeated_data', self.Repeated, num_repeats),
66		])
67
68		test_data = {
69		'length': 2,
70		'vardata': [
71		{'x': 1, 'y': 2},
72		{'x': 3, 'y': 4},
73		],
74		'repeated_data': [
75		{'x': 7, 'z': 13},
76		{'x': 2, 'z': 27},
77		{'x': 6, 'z': 11},
78		],
79		}
80
81		made = TestStruct.make(test_data)
82		assert made.length == 2
83		assert len(made.vardata) == 2
84		assert len(made.repeated_data) == 3
85
86		packed = TestStruct.pack(test_data)
87		assert packed == struct.pack('H', 2) + \
88		struct.pack('BB', 1, 2) + \
89		struct.pack('BB', 3, 4) + \
90		(struct.pack('B', 7) + struct.pack('H', 13)) + \
91		(struct.pack('B', 2) + struct.pack('H', 27)) + \
92		(struct.pack('B', 6) + struct.pack('H', 11))
93
94	View Code Duplication	def test_not_all_fixed_data(self):
		0 ignored issues – show Duplication introduced 2016-10-18 13:25 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
95		num_repeats = 5
96
97		TestStruct = Message('TestStruct', [
98		('length', 'H', 'vardata'),
99		('vardata', self.VarTest, 'length'),
100		('repeated_data', self.Repeated, num_repeats),
101		])
102
103		test_data = {
104		'length': 1,
105		'vardata': [
106		{'x': 255, 'y': 127},
107		],
108		'repeated_data': [
109		{'x': 6, 'z': 12},
110		{'x': 1, 'z': 26},
111		{'x': 5, 'z': 10},
112		],
113		}
114
115		made = TestStruct.make(test_data)
116		assert made.length == 1
117		assert len(made.vardata) == 1
118		assert len(made.repeated_data) == 3
119
120		packed = TestStruct.pack(test_data)
121		assert packed == struct.pack('H', 1) + \
122		struct.pack('BB', 255, 127) + \
123		(struct.pack('B', 6) + struct.pack('H', 12)) + \
124		(struct.pack('B', 1) + struct.pack('H', 26)) + \
125		(struct.pack('B', 5) + struct.pack('H', 10)) + \
126		(struct.pack('B', 0) + struct.pack('H', 0)) * 2
127
128	View Code Duplication	def test_byte_length_no_data(self):
		0 ignored issues – show Duplication introduced 2016-10-18 13:25 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
129		TestStruct = Message('TestStruct', [
130		('length_in_objects', 'H', 'vardata'),
131		('vardata', self.VarTest, 'length_in_objects'),
132		(b'length_in_bytes', 'H', 'bytesdata'),
133		('bytesdata', self.VarTest, b'length_in_bytes'),
134
135		])
136		test_data_no_data = {
137		'length_in_objects': 0,
138		'vardata': [],
139		'length_in_bytes': 0,
140		'bytesdata': [],
141		}
142
143		made = TestStruct.make(test_data_no_data)
144		assert made.length_in_objects == 0
145		assert made.vardata == []
146		assert made.length_in_bytes == 0
147		assert made.bytesdata == []
148
149		packed = TestStruct.pack(test_data_no_data)
150		assert packed == \
151		struct.pack('H', 0) + \
152		struct.pack('H', 0)
153
154	View Code Duplication	def test_byte_length_some_data(self):
		0 ignored issues – show Duplication introduced 2016-10-18 13:25 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
155		TestStruct = Message('TestStruct', [
156		('length_in_objects', 'H', 'vardata'),
157		('vardata', self.VarTest, 'length_in_objects'),
158		(b'length_in_bytes', 'H', 'bytesdata'),
159		('bytesdata', self.VarTest, b'length_in_bytes'),
160
161		])
162		test_data_no_data = {
163		'length_in_objects': 1,
164		'vardata': [
165		{'x': 255, 'y': 127},
166		],
167		'length_in_bytes': 2,
168		'bytesdata': [
169		{'x': 254, 'y': 126},
170		],
171		}
172
173		made = TestStruct.make(test_data_no_data)
174		assert made.length_in_objects == 1
175		assert made.vardata == [
176		self.VarTest.make(
177		{'x': 255, 'y': 127}
178		)]
179		assert made.length_in_bytes == 2
180		assert made.bytesdata == [
181		self.VarTest.make(
182		{'x': 254, 'y': 126}
183		)]
184
185		packed = TestStruct.pack(test_data_no_data)
186		assert packed == \
187		struct.pack('H', 1) + \
188		struct.pack('BB', 255, 127) + \
189		struct.pack('H', 2) + \
190		struct.pack('BB', 254, 126)
191
192		def test_byte_length_more_data(self):
193		TestStruct = Message('TestStruct', [
194		('length_in_objects', 'H', 'vardata'),
195		('vardata', self.VarTest, 'length_in_objects'),
196		(b'length_in_bytes', 'H', 'bytesdata'),
197		('bytesdata', self.VarTest, b'length_in_bytes'),
198
199		])
200
201		test_data_no_data = {
202		'length_in_objects': 1,
203		'vardata': [
204		{'x': 255, 'y': 127},
205		],
206		'length_in_bytes': 10,
207		'bytesdata': [
208		{'x': 254, 'y': 126},
209		{'x': 25, 'y': 16},
210		{'x': 24, 'y': 26},
211		{'x': 54, 'y': 17},
212		{'x': 25, 'y': 12},
213		],
214		}
215
216		made = TestStruct.make(test_data_no_data)
217		assert made.length_in_objects == 1
218		assert made.vardata == [
219		self.VarTest.make(
220		{'x': 255, 'y': 127}
221		)]
222		assert made.length_in_bytes == 10
223		assert made.bytesdata == [
224		self.VarTest.make(
225		{'x': 254, 'y': 126}
226		),
227		self.VarTest.make(
228		{'x': 25, 'y': 16},
229		),
230		self.VarTest.make(
231		{'x': 24, 'y': 26},
232		),
233		self.VarTest.make(
234		{'x': 54, 'y': 17},
235		),
236		self.VarTest.make(
237		{'x': 25, 'y': 12},
238		),
239		]
240
241		packed = TestStruct.pack(test_data_no_data)
242		assert packed == \
243		struct.pack('H', 1) + \
244		struct.pack('BB', 255, 127) + \
245		struct.pack('H', 10) + \
246		struct.pack('BB', 254, 126) + \
247		struct.pack('BB', 25, 16) + \
248		struct.pack('BB', 24, 26) + \
249		struct.pack('BB', 54, 17) + \
250		struct.pack('BB', 25, 12)
251
252		def test_unpacking_of_correct_size(self):
253		packed_element = \
254		struct.pack('H', 1) + \
255		struct.pack('BB', 255, 127) + \
256		struct.pack('H', 10) + \
257		struct.pack('BB', 254, 126) + \
258		struct.pack('BB', 25, 16) + \
259		struct.pack('BB', 24, 26) + \
260		struct.pack('BB', 54, 17) + \
261		struct.pack('BB', 25, 12)
262
263		TestStruct = Message('TestStruct', [
264		('length_in_objects', 'H', 'vardata'),
265		('vardata', self.VarTest, 'length_in_objects'),
266		(b'length_in_bytes', 'H', 'bytesdata'),
267		('bytesdata', self.VarTest, b'length_in_bytes'),
268		])
269
270		unpacked = TestStruct.unpack(packed_element)
271
272		assert unpacked
273		assert unpacked.length_in_objects == 1
274		assert unpacked.length_in_bytes == 10
275
276		def test_unpacking_of_too_little_bytes(self):
277		# Only pack four elements, instead of the five
278		packed_element = \
279		struct.pack('H', 1) + \
280		struct.pack('BB', 255, 127) + \
281		struct.pack('H', 10) + \
282		struct.pack('BB', 254, 126) + \
283		struct.pack('BB', 25, 16) + \
284		struct.pack('BB', 24, 26) + \
285		struct.pack('BB', 54, 17)
286
287		TestStruct = Message('TestStruct', [
288		('length_in_objects', 'H', 'vardata'),
289		('vardata', self.VarTest, 'length_in_objects'),
290		(b'length_in_bytes', 'H', 'bytesdata'),
291		('bytesdata', self.VarTest, b'length_in_bytes'),
292		])
293
294		with pytest.raises(struct.error):
295		unpacked = TestStruct.unpack(packed_element)
296		assert unpacked
297
298		def test_unpacking_of_too_many_bytes(self):
299		packed_element = \
300		struct.pack('H', 1) + \
301		struct.pack('BB', 255, 127) + \
302		struct.pack('H', 10) + \
303		struct.pack('BB', 254, 126) + \
304		struct.pack('BB', 25, 16) + \
305		struct.pack('BB', 24, 26) + \
306		struct.pack('BB', 24, 26) + \
307		struct.pack('BB', 24, 26) + \
308		struct.pack('BB', 24, 26) + \
309		struct.pack('BB', 24, 26) + \
310		struct.pack('BB', 24, 26) + \
311		struct.pack('BB', 54, 17)
312
313		TestStruct = Message('TestStruct', [
314		('length_in_objects', 'H', 'vardata'),
315		('vardata', self.VarTest, 'length_in_objects'),
316		(b'length_in_bytes', 'H', 'bytesdata'),
317		('bytesdata', self.VarTest, b'length_in_bytes'),
318		])
319
320		with pytest.raises(ValueError):
321		unpacked = TestStruct.unpack(packed_element)
322		assert unpacked
323
324	View Code Duplication	def test_single_element(self):
		0 ignored issues – show Duplication introduced 2016-11-30 19:25 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
325		TestStruct = Message('TestStruct', [
326		('length_in_objects', 'H', 'vardata'),
327		('vardata', self.VarTest, 'length_in_objects'),
328		('single_data', self.VarTest),
329		])
330
331		test_data = {
332		'length': 2,
333		'vardata': [
334		{'x': 1, 'y': 2},
335		{'x': 3, 'y': 4},
336		],
337		'single_data': [
338		{'x': 6, 'y': 11},
339		],
340		}
341
342		made = TestStruct.make(test_data)
343		assert len(made.vardata) == 2
344		assert made.single_data.x == 6
345		assert made.single_data.y == 11
346
347	View Code Duplication	def test_single_element_2(self):
		0 ignored issues – show Duplication introduced 2016-11-30 19:25 UTC by Report Bug Copy Issue Report This code seems to be duplicated in your project. Loading history...
348		TestStruct = Message('TestStruct', [
349		('length_in_objects', 'H', 'vardata'),
350		('vardata', self.VarTest, 'length_in_objects'),
351		('single_data', self.VarTest),
352		])
353
354		test_data = {
355		'length': 2,
356		'vardata': [
357		{'x': 1, 'y': 2},
358		{'x': 3, 'y': 4},
359		],
360		'single_data': {'x': 6, 'y': 11},
361		}
362
363		made = TestStruct.make(test_data)
364		assert len(made.vardata) == 2
365		assert made.single_data.x == 6
366		assert made.single_data.y == 11
367
368		@pytest.mark.skip('Not implemented. Might not be possible')
369		def test_length_after_item(self):
370		num_repeats = 3
371
372		TestStruct = Message('TestStruct', [
373		('vardata', self.VarTest, 'length'),
374		('length', 'H', 'vardata'),
375		('repeated_data', self.Repeated, num_repeats),
376		])
377
378		test_data = {
379		'length': 2,
380		'vardata': [
381		{'x': 1, 'y': 2},
382		{'x': 3, 'y': 4},
383		],
384		'repeated_data': [
385		{'x': 7, 'z': 13},
386		{'x': 2, 'z': 27},
387		{'x': 6, 'z': 11},
388		],
389		}
390
391		made = TestStruct.make(test_data)
392		assert made.length == 2
393		assert made.vardata[0].x == 1
394		assert made.vardata[0].y == 2
395
396		packed = TestStruct.pack(test_data)
397		unpacked = TestStruct.unpack(packed)
398		assert unpacked
399

sprout42 / StarStruct

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TestStarStruct.test_length_after_item() B

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