Commit | Line | Data |
---|---|---|
c4239792 | 1 | import bt2.field |
b4f45851 | 2 | import unittest |
b4f45851 | 3 | import bt2 |
d47b87ac | 4 | from utils import get_default_trace_class |
b4f45851 SM |
5 | |
6 | ||
d47b87ac SM |
7 | class _TestIntegerFieldClassProps: |
8 | def test_create_default(self): | |
9 | fc = self._create_func() | |
10 | self.assertEqual(fc.field_value_range, 64) | |
11 | self.assertEqual(fc.preferred_display_base, bt2.IntegerDisplayBase.DECIMAL) | |
b4f45851 | 12 | |
d47b87ac SM |
13 | def test_create_range(self): |
14 | fc = self._create_func(field_value_range=35) | |
15 | self.assertEqual(fc.field_value_range, 35) | |
b4f45851 | 16 | |
d47b87ac SM |
17 | fc = self._create_func(36) |
18 | self.assertEqual(fc.field_value_range, 36) | |
b4f45851 | 19 | |
d47b87ac SM |
20 | def test_create_invalid_range(self): |
21 | with self.assertRaises(TypeError): | |
22 | self._create_func('yes') | |
b4f45851 | 23 | |
d47b87ac SM |
24 | with self.assertRaises(TypeError): |
25 | self._create_func(field_value_range='yes') | |
b4f45851 | 26 | |
b4f45851 | 27 | with self.assertRaises(ValueError): |
d47b87ac | 28 | self._create_func(field_value_range=-2) |
b4f45851 | 29 | |
d47b87ac SM |
30 | with self.assertRaises(ValueError): |
31 | self._create_func(field_value_range=0) | |
b4f45851 | 32 | |
d47b87ac SM |
33 | def test_create_base(self): |
34 | fc = self._create_func(preferred_display_base=bt2.IntegerDisplayBase.HEXADECIMAL) | |
35 | self.assertEqual(fc.preferred_display_base, bt2.IntegerDisplayBase.HEXADECIMAL) | |
b4f45851 | 36 | |
d47b87ac | 37 | def test_create_invalid_base_type(self): |
b4f45851 | 38 | with self.assertRaises(TypeError): |
d47b87ac | 39 | self._create_func(preferred_display_base='yes') |
b4f45851 | 40 | |
d47b87ac SM |
41 | def test_create_invalid_base_value(self): |
42 | with self.assertRaises(ValueError): | |
43 | self._create_func(preferred_display_base=444) | |
b4f45851 | 44 | |
d47b87ac SM |
45 | def test_create_full(self): |
46 | fc = self._create_func(24, preferred_display_base=bt2.IntegerDisplayBase.OCTAL) | |
47 | self.assertEqual(fc.field_value_range, 24) | |
48 | self.assertEqual(fc.preferred_display_base, bt2.IntegerDisplayBase.OCTAL) | |
b4f45851 SM |
49 | |
50 | ||
d47b87ac SM |
51 | class IntegerFieldClassTestCase(_TestIntegerFieldClassProps, unittest.TestCase): |
52 | def setUp(self): | |
53 | self._tc = get_default_trace_class() | |
54 | self._create_func = self._tc.create_signed_integer_field_class | |
b4f45851 | 55 | |
b4f45851 | 56 | |
d47b87ac SM |
57 | class RealFieldClassTestCase(unittest.TestCase): |
58 | def setUp(self): | |
59 | self._tc = get_default_trace_class() | |
b4f45851 | 60 | |
d47b87ac SM |
61 | def test_create_default(self): |
62 | fc = self._tc.create_real_field_class() | |
63 | self.assertFalse(fc.is_single_precision) | |
b4f45851 | 64 | |
d47b87ac SM |
65 | def test_create_is_single_precision(self): |
66 | fc = self._tc.create_real_field_class(is_single_precision=True) | |
67 | self.assertTrue(fc.is_single_precision) | |
68 | ||
69 | def test_create_invalid_is_single_precision(self): | |
b4f45851 | 70 | with self.assertRaises(TypeError): |
d47b87ac | 71 | self._tc.create_real_field_class(is_single_precision='hohoho') |
b4f45851 | 72 | |
b4f45851 | 73 | |
d47b87ac SM |
74 | # Converts an _EnumerationFieldClassMapping to a list of ranges: |
75 | # | |
76 | # [(lower0, upper0), (lower1, upper1), ...] | |
77 | ||
78 | def enum_mapping_to_list(mapping): | |
79 | return sorted([(x.lower, x.upper) for x in mapping]) | |
b4f45851 | 80 | |
b4f45851 | 81 | |
d47b87ac SM |
82 | class EnumerationFieldClassTestCase(_TestIntegerFieldClassProps): |
83 | def setUp(self): | |
84 | self._tc = get_default_trace_class() | |
85 | ||
86 | def test_create_from_invalid_type(self): | |
b4f45851 | 87 | with self.assertRaises(TypeError): |
d47b87ac | 88 | self._create_func('coucou') |
b4f45851 | 89 | |
d47b87ac SM |
90 | def test_add_mapping_simple(self): |
91 | self._fc.map_range('hello', 24) | |
92 | mapping = self._fc['hello'] | |
93 | self.assertEqual(mapping.label, 'hello') | |
b4f45851 | 94 | |
d47b87ac SM |
95 | ranges = enum_mapping_to_list(mapping) |
96 | self.assertEqual(ranges, [(24, 24)]) | |
b4f45851 | 97 | |
d47b87ac SM |
98 | def test_add_mapping_simple_kwargs(self): |
99 | self._fc.map_range(label='hello', lower=17, upper=23) | |
100 | mapping = self._fc['hello'] | |
101 | self.assertEqual(mapping.label, 'hello') | |
b4f45851 | 102 | |
d47b87ac SM |
103 | ranges = enum_mapping_to_list(mapping) |
104 | self.assertEqual(ranges, [(17, 23)]) | |
b4f45851 | 105 | |
d47b87ac SM |
106 | def test_add_mapping_range(self): |
107 | self._fc.map_range('hello', 21, 199) | |
108 | mapping = self._fc['hello'] | |
109 | self.assertEqual(mapping.label, 'hello') | |
110 | ||
111 | ranges = enum_mapping_to_list(mapping) | |
112 | self.assertEqual(ranges, [(21, 199)]) | |
113 | ||
114 | def test_add_mapping_invalid_name(self): | |
b4f45851 | 115 | with self.assertRaises(TypeError): |
d47b87ac | 116 | self._fc.map_range(17, 21, 199) |
b4f45851 | 117 | |
d47b87ac SM |
118 | def test_iadd(self): |
119 | enum_fc = self._tc.create_signed_enumeration_field_class(field_value_range=16) | |
120 | enum_fc.map_range('c', 4, 5) | |
121 | enum_fc.map_range('d', 6, 18) | |
122 | enum_fc.map_range('e', 20, 27) | |
123 | self._fc.map_range('a', 0, 2) | |
124 | self._fc.map_range('b', 3) | |
125 | self._fc += enum_fc | |
b4f45851 | 126 | |
d47b87ac SM |
127 | self.assertEqual(self._fc['a'].label, 'a') |
128 | self.assertEqual(enum_mapping_to_list(self._fc['a']), [(0, 2)]) | |
b4f45851 | 129 | |
d47b87ac SM |
130 | self.assertEqual(self._fc['b'].label, 'b') |
131 | self.assertEqual(enum_mapping_to_list(self._fc['b']), [(3, 3)]) | |
b4f45851 | 132 | |
d47b87ac SM |
133 | self.assertEqual(self._fc['c'].label, 'c') |
134 | self.assertEqual(enum_mapping_to_list(self._fc['c']), [(4, 5)]) | |
b4f45851 | 135 | |
d47b87ac SM |
136 | self.assertEqual(self._fc['d'].label, 'd') |
137 | self.assertEqual(enum_mapping_to_list(self._fc['d']), [(6, 18)]) | |
b4f45851 | 138 | |
d47b87ac SM |
139 | self.assertEqual(self._fc['e'].label, 'e') |
140 | self.assertEqual(enum_mapping_to_list(self._fc['e']), [(20, 27)]) | |
b4f45851 | 141 | |
d47b87ac SM |
142 | def test_bool_op(self): |
143 | self.assertFalse(self._fc) | |
144 | self._fc.map_range('a', 0) | |
145 | self.assertTrue(self._fc) | |
b4f45851 | 146 | |
d47b87ac SM |
147 | def test_len(self): |
148 | self._fc.map_range('a', 0) | |
149 | self._fc.map_range('b', 1) | |
150 | self._fc.map_range('c', 2) | |
151 | self.assertEqual(len(self._fc), 3) | |
b4f45851 | 152 | |
d47b87ac SM |
153 | def test_getitem(self): |
154 | self._fc.map_range('a', 0) | |
155 | self._fc.map_range('b', 1, 3) | |
156 | self._fc.map_range('a', 5) | |
157 | self._fc.map_range('a', 17, 123) | |
158 | self._fc.map_range('C', 5) | |
159 | mapping = self._fc['a'] | |
b4f45851 | 160 | |
d47b87ac SM |
161 | self.assertEqual(mapping.label, 'a') |
162 | ranges = enum_mapping_to_list(mapping) | |
163 | self.assertEqual(ranges, [(0, 0), (5, 5), (17, 123)]) | |
b4f45851 | 164 | |
d47b87ac SM |
165 | with self.assertRaises(KeyError): |
166 | self._fc['doesnotexist'] | |
b4f45851 | 167 | |
d47b87ac SM |
168 | def test_contains(self): |
169 | self._fc.map_range('a', 0) | |
170 | self._fc.map_range('a', 2, 23) | |
171 | self._fc.map_range('b', 2) | |
172 | self._fc.map_range('c', 5) | |
b4f45851 | 173 | |
d47b87ac SM |
174 | a_mapping = self._fc['a'] |
175 | b_mapping = self._fc['b'] | |
176 | first_range = next(iter(a_mapping)) | |
b4f45851 | 177 | |
d47b87ac SM |
178 | self.assertIn(first_range, a_mapping) |
179 | self.assertNotIn(first_range, b_mapping) | |
b4f45851 | 180 | |
d47b87ac SM |
181 | def test_iter(self): |
182 | self._fc.map_range('a', 1, 5) | |
183 | self._fc.map_range('b', 10, 17) | |
184 | self._fc.map_range('c', 20, 1504) | |
b4f45851 | 185 | |
d47b87ac | 186 | self._fc.map_range('d', 22510, 99999) |
b4f45851 | 187 | |
d47b87ac SM |
188 | # This exercises iteration. |
189 | labels = sorted(self._fc) | |
b4f45851 | 190 | |
d47b87ac | 191 | self.assertEqual(labels, ['a', 'b', 'c', 'd']) |
b4f45851 | 192 | |
d47b87ac SM |
193 | def test_find_by_value(self): |
194 | self._fc.map_range('a', 0) | |
195 | self._fc.map_range('b', 1, 3) | |
196 | self._fc.map_range('c', 5, 19) | |
197 | self._fc.map_range('d', 8, 15) | |
198 | self._fc.map_range('e', 10, 21) | |
199 | self._fc.map_range('f', 0) | |
200 | self._fc.map_range('g', 14) | |
b4f45851 | 201 | |
d47b87ac | 202 | labels = self._fc.labels_by_value(14) |
b4f45851 | 203 | |
d47b87ac SM |
204 | expected_labels = ['c', 'd', 'e', 'g'] |
205 | ||
206 | self.assertTrue(all(label in labels for label in expected_labels)) | |
207 | ||
208 | ||
209 | class UnsignedEnumerationFieldClassTestCase(EnumerationFieldClassTestCase, unittest.TestCase): | |
210 | def setUp(self): | |
211 | super().setUp() | |
212 | self._create_func = self._tc.create_unsigned_enumeration_field_class | |
213 | self._fc = self._tc.create_unsigned_enumeration_field_class() | |
b4f45851 SM |
214 | |
215 | def test_add_mapping_invalid_signedness_lower(self): | |
216 | with self.assertRaises(ValueError): | |
d47b87ac | 217 | self._fc.map_range('hello', -21, 199) |
b4f45851 SM |
218 | |
219 | def test_add_mapping_invalid_signedness_upper(self): | |
220 | with self.assertRaises(ValueError): | |
d47b87ac | 221 | self._fc.map_range('hello', 21, -199) |
b4f45851 | 222 | |
b4f45851 | 223 | |
d47b87ac SM |
224 | class SignedEnumerationFieldClassTestCase(EnumerationFieldClassTestCase, unittest.TestCase): |
225 | def setUp(self): | |
226 | super().setUp() | |
227 | self._create_func = self._tc.create_signed_enumeration_field_class | |
228 | self._fc = self._tc.create_signed_enumeration_field_class() | |
b4f45851 | 229 | |
d47b87ac SM |
230 | def test_add_mapping_simple_signed(self): |
231 | self._fc.map_range('hello', -24) | |
232 | mapping = self._fc['hello'] | |
233 | self.assertEqual(mapping.label, 'hello') | |
b4f45851 | 234 | |
d47b87ac SM |
235 | ranges = enum_mapping_to_list(mapping) |
236 | self.assertEqual(ranges, [(-24, -24)]) | |
b4f45851 | 237 | |
d47b87ac SM |
238 | def test_add_mapping_range_signed(self): |
239 | self._fc.map_range('hello', -21, 199) | |
240 | mapping = self._fc['hello'] | |
241 | self.assertEqual(mapping.label, 'hello') | |
242 | ranges = enum_mapping_to_list(mapping) | |
243 | self.assertEqual(ranges, [(-21, 199)]) | |
b4f45851 | 244 | |
b4f45851 | 245 | |
d47b87ac | 246 | class StringFieldClassTestCase(unittest.TestCase): |
b4f45851 | 247 | def setUp(self): |
d47b87ac SM |
248 | tc = get_default_trace_class() |
249 | self._fc = tc.create_string_field_class() | |
b4f45851 SM |
250 | |
251 | def test_create_default(self): | |
d47b87ac | 252 | self.assertIsNotNone(self._fc) |
b4f45851 | 253 | |
b4f45851 | 254 | |
d47b87ac SM |
255 | class _TestFieldContainer(): |
256 | def test_append_element(self): | |
257 | int_field_class = self._tc.create_signed_integer_field_class(32) | |
258 | self._append_element_method(self._fc, 'int32', int_field_class) | |
b4f45851 | 259 | field_class = self._fc['int32'] |
d47b87ac | 260 | self.assertEqual(field_class.addr, int_field_class.addr) |
b4f45851 | 261 | |
d47b87ac SM |
262 | def test_append_elemenbt_kwargs(self): |
263 | int_field_class = self._tc.create_signed_integer_field_class(32) | |
264 | self._append_element_method(self._fc, name='int32', field_class=int_field_class) | |
b4f45851 | 265 | field_class = self._fc['int32'] |
d47b87ac SM |
266 | self.assertEqual(field_class.addr, int_field_class.addr) |
267 | ||
268 | def test_append_element_invalid_name(self): | |
269 | sub_fc = self._tc.create_string_field_class() | |
b4f45851 | 270 | |
b4f45851 | 271 | with self.assertRaises(TypeError): |
d47b87ac | 272 | self._append_element_method(self._fc, 23, sub_fc) |
b4f45851 | 273 | |
d47b87ac | 274 | def test_append_element_invalid_field_class(self): |
b4f45851 | 275 | with self.assertRaises(TypeError): |
d47b87ac | 276 | self._append_element_method(self._fc, 'yes', object()) |
b4f45851 SM |
277 | |
278 | def test_iadd(self): | |
d47b87ac SM |
279 | struct_fc = self._tc.create_structure_field_class() |
280 | c_field_class = self._tc.create_string_field_class() | |
281 | d_field_class = self._tc.create_signed_enumeration_field_class(field_value_range=32) | |
282 | e_field_class = self._tc.create_structure_field_class() | |
283 | self._append_element_method(struct_fc, 'c_string', c_field_class) | |
284 | self._append_element_method(struct_fc, 'd_enum', d_field_class) | |
285 | self._append_element_method(struct_fc, 'e_struct', e_field_class) | |
286 | a_field_class = self._tc.create_real_field_class() | |
287 | b_field_class = self._tc.create_signed_integer_field_class(17) | |
288 | self._append_element_method(self._fc, 'a_float', a_field_class) | |
289 | self._append_element_method(self._fc, 'b_int', b_field_class) | |
b4f45851 | 290 | self._fc += struct_fc |
d47b87ac SM |
291 | self.assertEqual(self._fc['a_float'].addr, a_field_class.addr) |
292 | self.assertEqual(self._fc['b_int'].addr, b_field_class.addr) | |
293 | self.assertEqual(self._fc['c_string'].addr, c_field_class.addr) | |
294 | self.assertEqual(self._fc['d_enum'].addr, d_field_class.addr) | |
295 | self.assertEqual(self._fc['e_struct'].addr, e_field_class.addr) | |
b4f45851 SM |
296 | |
297 | def test_bool_op(self): | |
298 | self.assertFalse(self._fc) | |
d47b87ac | 299 | self._append_element_method(self._fc, 'a', self._tc.create_string_field_class()) |
b4f45851 SM |
300 | self.assertTrue(self._fc) |
301 | ||
302 | def test_len(self): | |
d47b87ac SM |
303 | fc = self._tc.create_string_field_class() |
304 | self._append_element_method(self._fc, 'a', fc) | |
305 | self._append_element_method(self._fc, 'b', fc) | |
306 | self._append_element_method(self._fc, 'c', fc) | |
b4f45851 SM |
307 | self.assertEqual(len(self._fc), 3) |
308 | ||
309 | def test_getitem(self): | |
d47b87ac SM |
310 | a_fc = self._tc.create_signed_integer_field_class(32) |
311 | b_fc = self._tc.create_string_field_class() | |
312 | c_fc = self._tc.create_real_field_class() | |
313 | self._append_element_method(self._fc, 'a', a_fc) | |
314 | self._append_element_method(self._fc, 'b', b_fc) | |
315 | self._append_element_method(self._fc, 'c', c_fc) | |
316 | self.assertEqual(self._fc['b'].addr, b_fc.addr) | |
b4f45851 SM |
317 | |
318 | def test_getitem_invalid_key_type(self): | |
319 | with self.assertRaises(TypeError): | |
320 | self._fc[0] | |
321 | ||
322 | def test_getitem_invalid_key(self): | |
323 | with self.assertRaises(KeyError): | |
324 | self._fc['no way'] | |
325 | ||
326 | def test_contains(self): | |
327 | self.assertFalse('a' in self._fc) | |
d47b87ac | 328 | self._append_element_method(self._fc, 'a', self._tc.create_string_field_class()) |
b4f45851 SM |
329 | self.assertTrue('a' in self._fc) |
330 | ||
331 | def test_iter(self): | |
d47b87ac SM |
332 | a_fc = self._tc.create_signed_integer_field_class(32) |
333 | b_fc = self._tc.create_string_field_class() | |
334 | c_fc = self._tc.create_real_field_class() | |
b4f45851 SM |
335 | fields = ( |
336 | ('a', a_fc), | |
337 | ('b', b_fc), | |
338 | ('c', c_fc), | |
339 | ) | |
340 | ||
341 | for field in fields: | |
d47b87ac | 342 | self._append_element_method(self._fc, *field) |
b4f45851 SM |
343 | |
344 | for (name, fc_field_class), field in zip(self._fc.items(), fields): | |
345 | self.assertEqual(name, field[0]) | |
d47b87ac | 346 | self.assertEqual(fc_field_class.addr, field[1].addr) |
b4f45851 SM |
347 | |
348 | def test_at_index(self): | |
d47b87ac SM |
349 | a_fc = self._tc.create_signed_integer_field_class(32) |
350 | b_fc = self._tc.create_string_field_class() | |
351 | c_fc = self._tc.create_real_field_class() | |
352 | self._append_element_method(self._fc, 'c', c_fc) | |
353 | self._append_element_method(self._fc, 'a', a_fc) | |
354 | self._append_element_method(self._fc, 'b', b_fc) | |
355 | self.assertEqual(self._at_index_method(self._fc, 1).addr, a_fc.addr) | |
b4f45851 SM |
356 | |
357 | def test_at_index_invalid(self): | |
d47b87ac | 358 | self._append_element_method(self._fc, 'c', self._tc.create_signed_integer_field_class(32)) |
b4f45851 SM |
359 | |
360 | with self.assertRaises(TypeError): | |
d47b87ac | 361 | self._at_index_method(self._fc, 'yes') |
b4f45851 SM |
362 | |
363 | def test_at_index_out_of_bounds_after(self): | |
d47b87ac | 364 | self._append_element_method(self._fc, 'c', self._tc.create_signed_integer_field_class(32)) |
b4f45851 SM |
365 | |
366 | with self.assertRaises(IndexError): | |
d47b87ac | 367 | self._at_index_method(self._fc, len(self._fc)) |
b4f45851 SM |
368 | |
369 | ||
b4f45851 SM |
370 | class StructureFieldClassTestCase(_TestFieldContainer, unittest.TestCase): |
371 | def setUp(self): | |
d47b87ac SM |
372 | self._append_element_method = bt2.field_class._StructureFieldClass.append_member |
373 | self._at_index_method = bt2.field_class._StructureFieldClass.member_at_index | |
374 | self._tc = get_default_trace_class() | |
375 | self._fc = self._tc.create_structure_field_class() | |
376 | ||
377 | def test_create_default(self): | |
378 | self.assertIsNotNone(self._fc) | |
b4f45851 | 379 | |
d47b87ac SM |
380 | |
381 | class VariantFieldClassTestCase(_TestFieldContainer, unittest.TestCase): | |
382 | def setUp(self): | |
383 | self._append_element_method = bt2.field_class._VariantFieldClass.append_option | |
384 | self._at_index_method = bt2.field_class._VariantFieldClass.option_at_index | |
385 | self._tc = get_default_trace_class() | |
386 | self._fc = self._tc.create_variant_field_class() | |
b4f45851 SM |
387 | |
388 | def test_create_default(self): | |
d47b87ac | 389 | fc = self._tc.create_variant_field_class() |
b4f45851 | 390 | |
d47b87ac | 391 | self.assertIsNone(fc.selector_field_path) |
b4f45851 | 392 | |
d47b87ac SM |
393 | def _create_field_class_for_field_path_test(self): |
394 | # Create something equivalent to: | |
395 | # | |
396 | # struct outer_struct_fc { | |
397 | # real foo; | |
398 | # struct inner_struct_fc { | |
399 | # enum { first = 1, second = 2..434 } selector; | |
400 | # string bar; | |
401 | # string baz; | |
402 | # variant<selector> { | |
403 | # real a; | |
404 | # int21_t b; | |
405 | # uint34_t c; | |
406 | # } variant; | |
407 | # } inner_struct[2]; | |
408 | # }; | |
409 | selector_fc = self._tc.create_unsigned_enumeration_field_class(field_value_range=42) | |
410 | selector_fc.map_range('first', 1) | |
411 | selector_fc.map_range('second', 2, 434) | |
b4f45851 | 412 | |
d47b87ac SM |
413 | fc = self._tc.create_variant_field_class(selector_fc) |
414 | fc.append_option('a', self._tc.create_real_field_class()) | |
415 | fc.append_option('b', self._tc.create_signed_integer_field_class(21)) | |
416 | fc.append_option('c', self._tc.create_unsigned_integer_field_class(34)) | |
b4f45851 | 417 | |
d47b87ac SM |
418 | foo_fc = self._tc.create_real_field_class() |
419 | bar_fc = self._tc.create_string_field_class() | |
420 | baz_fc = self._tc.create_string_field_class() | |
b4f45851 | 421 | |
d47b87ac SM |
422 | inner_struct_fc = self._tc.create_structure_field_class() |
423 | inner_struct_fc.append_member('selector', selector_fc) | |
424 | inner_struct_fc.append_member('bar', bar_fc) | |
425 | inner_struct_fc.append_member('baz', baz_fc) | |
426 | inner_struct_fc.append_member('variant', fc) | |
b4f45851 | 427 | |
d47b87ac | 428 | inner_struct_array_fc = self._tc.create_static_array_field_class(inner_struct_fc, 2) |
b4f45851 | 429 | |
d47b87ac SM |
430 | outer_struct_fc = self._tc.create_structure_field_class() |
431 | outer_struct_fc.append_member('foo', foo_fc) | |
432 | outer_struct_fc.append_member('inner_struct', inner_struct_array_fc) | |
b4f45851 | 433 | |
d47b87ac SM |
434 | # The path to the selector field is resolved when the sequence is |
435 | # actually used, for example in a packet context. | |
436 | self._tc.create_stream_class(packet_context_field_class=outer_struct_fc) | |
b4f45851 | 437 | |
d47b87ac | 438 | return fc |
b4f45851 | 439 | |
d47b87ac SM |
440 | def test_selector_field_path_length(self): |
441 | fc = self._create_field_class_for_field_path_test() | |
442 | self.assertEqual(len(fc.selector_field_path), 3) | |
b4f45851 | 443 | |
d47b87ac SM |
444 | def test_selector_field_path_iter(self): |
445 | fc = self._create_field_class_for_field_path_test() | |
446 | path_items = list(fc.selector_field_path) | |
b4f45851 | 447 | |
d47b87ac | 448 | self.assertEqual(len(path_items), 3) |
b4f45851 | 449 | |
d47b87ac SM |
450 | self.assertIsInstance(path_items[0], bt2.field_path._IndexFieldPathItem) |
451 | self.assertEqual(path_items[0].index, 1) | |
b4f45851 | 452 | |
d47b87ac | 453 | self.assertIsInstance(path_items[1], bt2.field_path._CurrentArrayElementFieldPathItem) |
b4f45851 | 454 | |
d47b87ac SM |
455 | self.assertIsInstance(path_items[2], bt2.field_path._IndexFieldPathItem) |
456 | self.assertEqual(path_items[2].index, 0) | |
b4f45851 | 457 | |
d47b87ac SM |
458 | def test_selector_field_path_root_scope(self): |
459 | fc = self._create_field_class_for_field_path_test() | |
460 | self.assertEqual(fc.selector_field_path.root_scope, bt2.field_path.Scope.PACKET_CONTEXT) | |
b4f45851 | 461 | |
d47b87ac SM |
462 | |
463 | class StaticArrayFieldClassTestCase(unittest.TestCase): | |
464 | def setUp(self): | |
465 | self._tc = get_default_trace_class() | |
466 | self._elem_fc = self._tc.create_signed_integer_field_class(23) | |
b4f45851 SM |
467 | |
468 | def test_create_default(self): | |
d47b87ac SM |
469 | fc = self._tc.create_static_array_field_class(self._elem_fc, 45) |
470 | self.assertEqual(fc.element_field_class.addr, self._elem_fc.addr) | |
471 | self.assertEqual(fc.length, 45) | |
b4f45851 | 472 | |
d47b87ac | 473 | def test_create_invalid_elem_field_class(self): |
b4f45851 | 474 | with self.assertRaises(TypeError): |
d47b87ac | 475 | self._tc.create_static_array_field_class(object(), 45) |
b4f45851 SM |
476 | |
477 | def test_create_invalid_length(self): | |
478 | with self.assertRaises(ValueError): | |
d47b87ac | 479 | self._tc.create_static_array_field_class(self._tc.create_string_field_class(), -17) |
b4f45851 SM |
480 | |
481 | def test_create_invalid_length_type(self): | |
482 | with self.assertRaises(TypeError): | |
d47b87ac SM |
483 | self._tc.create_static_array_field_class(self._tc.create_string_field_class(), 'the length') |
484 | ||
485 | ||
486 | class DynamicArrayFieldClassTestCase(unittest.TestCase): | |
487 | def setUp(self): | |
488 | self._tc = get_default_trace_class() | |
489 | self._elem_fc = self._tc.create_signed_integer_field_class(23) | |
490 | self._len_fc = self._tc.create_unsigned_integer_field_class(12) | |
b4f45851 | 491 | |
d47b87ac SM |
492 | def test_create_default(self): |
493 | fc = self._tc.create_dynamic_array_field_class(self._elem_fc) | |
494 | self.assertEqual(fc.element_field_class.addr, self._elem_fc.addr) | |
495 | self.assertIsNone(fc.length_field_path, None) | |
b4f45851 | 496 | |
d47b87ac SM |
497 | def _create_field_class_for_field_path_test(self): |
498 | # Create something a field class that is equivalent to: | |
499 | # | |
500 | # struct outer_struct_fc { | |
501 | # real foo; | |
502 | # struct inner_struct_fc { | |
503 | # string bar; | |
504 | # string baz; | |
505 | # uint12_t len; | |
506 | # uint23_t dyn_array[len]; | |
507 | # } inner_struct[2]; | |
508 | # }; | |
b4f45851 | 509 | |
d47b87ac | 510 | fc = self._tc.create_dynamic_array_field_class(self._elem_fc, self._len_fc) |
b4f45851 | 511 | |
d47b87ac SM |
512 | foo_fc = self._tc.create_real_field_class() |
513 | bar_fc = self._tc.create_string_field_class() | |
514 | baz_fc = self._tc.create_string_field_class() | |
b4f45851 | 515 | |
d47b87ac SM |
516 | inner_struct_fc = self._tc.create_structure_field_class() |
517 | inner_struct_fc.append_member('bar', bar_fc) | |
518 | inner_struct_fc.append_member('baz', baz_fc) | |
519 | inner_struct_fc.append_member('len', self._len_fc) | |
520 | inner_struct_fc.append_member('dyn_array', fc) | |
b4f45851 | 521 | |
d47b87ac SM |
522 | inner_struct_array_fc = self._tc.create_static_array_field_class(inner_struct_fc, 2) |
523 | ||
524 | outer_struct_fc = self._tc.create_structure_field_class() | |
525 | outer_struct_fc.append_member('foo', foo_fc) | |
526 | outer_struct_fc.append_member('inner_struct', inner_struct_array_fc) | |
527 | ||
528 | # The path to the length field is resolved when the sequence is | |
529 | # actually used, for example in a packet context. | |
530 | self._tc.create_stream_class(packet_context_field_class=outer_struct_fc) | |
531 | ||
532 | return fc | |
533 | ||
534 | def test_field_path_len(self): | |
535 | fc = self._create_field_class_for_field_path_test() | |
536 | self.assertEqual(len(fc.length_field_path), 3) | |
537 | ||
538 | def test_field_path_iter(self): | |
539 | fc = self._create_field_class_for_field_path_test() | |
540 | path_items = list(fc.length_field_path) | |
541 | ||
542 | self.assertEqual(len(path_items), 3) | |
543 | ||
544 | self.assertIsInstance(path_items[0], bt2.field_path._IndexFieldPathItem) | |
545 | self.assertEqual(path_items[0].index, 1) | |
546 | ||
547 | self.assertIsInstance(path_items[1], bt2.field_path._CurrentArrayElementFieldPathItem) | |
548 | ||
549 | self.assertIsInstance(path_items[2], bt2.field_path._IndexFieldPathItem) | |
550 | self.assertEqual(path_items[2].index, 2) | |
551 | ||
552 | def test_field_path_root_scope(self): | |
553 | fc = self._create_field_class_for_field_path_test() | |
554 | self.assertEqual(fc.length_field_path.root_scope, bt2.field_path.Scope.PACKET_CONTEXT) | |
b4f45851 SM |
555 | |
556 | def test_create_invalid_field_class(self): | |
557 | with self.assertRaises(TypeError): | |
d47b87ac | 558 | self._tc.create_dynamic_array_field_class(object()) |
b4f45851 SM |
559 | |
560 | def test_create_invalid_length_type(self): | |
561 | with self.assertRaises(TypeError): | |
d47b87ac | 562 | self._tc.create_dynamic_array_field_class(self._tc.create_string_field_class(), 17) |
b4f45851 | 563 | |
b4f45851 | 564 | |
d47b87ac SM |
565 | if __name__ == "__main__": |
566 | unittest.main() |