| 1 | from bt2 import value |
| 2 | import unittest |
| 3 | import bt2 |
| 4 | |
| 5 | |
| 6 | class UserComponentClassTestCase(unittest.TestCase): |
| 7 | def _test_no_init(self, cls): |
| 8 | with self.assertRaises(bt2.Error): |
| 9 | cls() |
| 10 | |
| 11 | def test_no_init_source(self): |
| 12 | class MyIter(bt2._UserMessageIterator): |
| 13 | def __next__(self): |
| 14 | raise bt2.Stop |
| 15 | |
| 16 | class MySource(bt2._UserSourceComponent, |
| 17 | message_iterator_class=MyIter): |
| 18 | pass |
| 19 | |
| 20 | self._test_no_init(MySource) |
| 21 | |
| 22 | def test_no_init_filter(self): |
| 23 | class MyIter(bt2._UserMessageIterator): |
| 24 | def __next__(self): |
| 25 | raise bt2.Stop |
| 26 | |
| 27 | class MyFilter(bt2._UserFilterComponent, |
| 28 | message_iterator_class=MyIter): |
| 29 | pass |
| 30 | |
| 31 | self._test_no_init(MyFilter) |
| 32 | |
| 33 | def test_no_init_sink(self): |
| 34 | class MySink(bt2._UserSinkComponent): |
| 35 | def _consume(self): |
| 36 | pass |
| 37 | |
| 38 | self._test_no_init(MySink) |
| 39 | |
| 40 | def test_incomplete_source_no_msg_iter_cls(self): |
| 41 | class MyIter(bt2._UserMessageIterator): |
| 42 | pass |
| 43 | |
| 44 | with self.assertRaises(bt2.IncompleteUserClass): |
| 45 | class MySource(bt2._UserSourceComponent): |
| 46 | pass |
| 47 | |
| 48 | def test_incomplete_source_wrong_msg_iter_cls_type(self): |
| 49 | class MyIter(bt2._UserMessageIterator): |
| 50 | pass |
| 51 | |
| 52 | with self.assertRaises(bt2.IncompleteUserClass): |
| 53 | class MySource(bt2._UserSourceComponent, |
| 54 | message_iterator_class=int): |
| 55 | pass |
| 56 | |
| 57 | def test_incomplete_filter_no_msg_iter_cls(self): |
| 58 | class MyIter(bt2._UserMessageIterator): |
| 59 | pass |
| 60 | |
| 61 | with self.assertRaises(bt2.IncompleteUserClass): |
| 62 | class MyFilter(bt2._UserFilterComponent): |
| 63 | pass |
| 64 | |
| 65 | def test_incomplete_sink_no_consume_method(self): |
| 66 | class MyIter(bt2._UserMessageIterator): |
| 67 | pass |
| 68 | |
| 69 | with self.assertRaises(bt2.IncompleteUserClass): |
| 70 | class MySink(bt2._UserSinkComponent): |
| 71 | pass |
| 72 | |
| 73 | def test_minimal_source(self): |
| 74 | class MyIter(bt2._UserMessageIterator): |
| 75 | pass |
| 76 | |
| 77 | class MySource(bt2._UserSourceComponent, |
| 78 | message_iterator_class=MyIter): |
| 79 | pass |
| 80 | |
| 81 | def test_minimal_filter(self): |
| 82 | class MyIter(bt2._UserMessageIterator): |
| 83 | pass |
| 84 | |
| 85 | class MyFilter(bt2._UserFilterComponent, |
| 86 | message_iterator_class=MyIter): |
| 87 | pass |
| 88 | |
| 89 | def test_minimal_sink(self): |
| 90 | class MySink(bt2._UserSinkComponent): |
| 91 | def _consume(self): |
| 92 | pass |
| 93 | |
| 94 | def test_default_name(self): |
| 95 | class MySink(bt2._UserSinkComponent): |
| 96 | def _consume(self): |
| 97 | pass |
| 98 | |
| 99 | self.assertEqual(MySink.name, 'MySink') |
| 100 | |
| 101 | def test_custom_name(self): |
| 102 | class MySink(bt2._UserSinkComponent, name='salut'): |
| 103 | def _consume(self): |
| 104 | pass |
| 105 | |
| 106 | self.assertEqual(MySink.name, 'salut') |
| 107 | |
| 108 | def test_invalid_custom_name(self): |
| 109 | with self.assertRaises(TypeError): |
| 110 | class MySink(bt2._UserSinkComponent, name=23): |
| 111 | def _consume(self): |
| 112 | pass |
| 113 | |
| 114 | def test_description(self): |
| 115 | class MySink(bt2._UserSinkComponent): |
| 116 | """ |
| 117 | The description. |
| 118 | |
| 119 | Bacon ipsum dolor amet ribeye t-bone corned beef, beef jerky |
| 120 | porchetta burgdoggen prosciutto chicken frankfurter boudin |
| 121 | hamburger doner bacon turducken. Sirloin shank sausage, |
| 122 | boudin meatloaf alcatra meatball t-bone tongue pastrami |
| 123 | cupim flank tenderloin. |
| 124 | """ |
| 125 | |
| 126 | def _consume(self): |
| 127 | pass |
| 128 | |
| 129 | self.assertEqual(MySink.description, 'The description.') |
| 130 | |
| 131 | def test_empty_description(self): |
| 132 | class MySink(bt2._UserSinkComponent): |
| 133 | """ |
| 134 | """ |
| 135 | |
| 136 | def _consume(self): |
| 137 | pass |
| 138 | |
| 139 | self.assertIsNone(MySink.description) |
| 140 | |
| 141 | def test_help(self): |
| 142 | class MySink(bt2._UserSinkComponent): |
| 143 | """ |
| 144 | The description. |
| 145 | |
| 146 | The help |
| 147 | text is |
| 148 | here. |
| 149 | """ |
| 150 | |
| 151 | def _consume(self): |
| 152 | pass |
| 153 | |
| 154 | self.assertEqual(MySink.help, 'The help\ntext is\nhere.') |
| 155 | |
| 156 | def test_addr(self): |
| 157 | class MySink(bt2._UserSinkComponent): |
| 158 | def _consume(self): |
| 159 | pass |
| 160 | |
| 161 | self.assertIsInstance(MySink.addr, int) |
| 162 | self.assertNotEqual(MySink.addr, 0) |
| 163 | |
| 164 | def test_query_not_implemented(self): |
| 165 | class MySink(bt2._UserSinkComponent): |
| 166 | def _consume(self): |
| 167 | pass |
| 168 | |
| 169 | with self.assertRaises(bt2.Error): |
| 170 | bt2.QueryExecutor().query(MySink, 'obj', 23) |
| 171 | |
| 172 | def test_query_raises(self): |
| 173 | class MySink(bt2._UserSinkComponent): |
| 174 | def _consume(self): |
| 175 | pass |
| 176 | |
| 177 | @classmethod |
| 178 | def _query(cls, query_exec, obj, params): |
| 179 | raise ValueError |
| 180 | |
| 181 | with self.assertRaises(bt2.Error): |
| 182 | bt2.QueryExecutor().query(MySink, 'obj', 23) |
| 183 | |
| 184 | def test_query_wrong_return_type(self): |
| 185 | class MySink(bt2._UserSinkComponent): |
| 186 | def _consume(self): |
| 187 | pass |
| 188 | |
| 189 | @classmethod |
| 190 | def _query(cls, query_exec, obj, params): |
| 191 | return ... |
| 192 | |
| 193 | with self.assertRaises(bt2.Error): |
| 194 | bt2.QueryExecutor().query(MySink, 'obj', 23) |
| 195 | |
| 196 | def test_query_params_none(self): |
| 197 | class MySink(bt2._UserSinkComponent): |
| 198 | def _consume(self): |
| 199 | pass |
| 200 | |
| 201 | @classmethod |
| 202 | def _query(cls, query_exec, obj, params): |
| 203 | nonlocal query_params |
| 204 | query_params = params |
| 205 | return None |
| 206 | |
| 207 | query_params = None |
| 208 | params = None |
| 209 | res = bt2.QueryExecutor().query(MySink, 'obj', params) |
| 210 | self.assertEqual(query_params, params) |
| 211 | self.assertIsNone(res) |
| 212 | del query_params |
| 213 | |
| 214 | def test_query_simple(self): |
| 215 | class MySink(bt2._UserSinkComponent): |
| 216 | def _consume(self): |
| 217 | pass |
| 218 | |
| 219 | @classmethod |
| 220 | def _query(cls, query_exec, obj, params): |
| 221 | nonlocal query_params |
| 222 | query_params = params |
| 223 | return 17.5 |
| 224 | |
| 225 | query_params = None |
| 226 | params = ['coucou', 23, None] |
| 227 | res = bt2.QueryExecutor().query(MySink, 'obj', params) |
| 228 | self.assertEqual(query_params, params) |
| 229 | self.assertEqual(res, 17.5) |
| 230 | del query_params |
| 231 | |
| 232 | def test_query_complex(self): |
| 233 | class MySink(bt2._UserSinkComponent): |
| 234 | def _consume(self): |
| 235 | pass |
| 236 | |
| 237 | @classmethod |
| 238 | def _query(cls, query_exec, obj, params): |
| 239 | nonlocal query_params |
| 240 | query_params = params |
| 241 | return { |
| 242 | 'null': None, |
| 243 | 'bt2': 'BT2', |
| 244 | } |
| 245 | |
| 246 | query_params = None |
| 247 | params = { |
| 248 | 'array': ['coucou', 23, None], |
| 249 | 'other_map': { |
| 250 | 'yes': 'yeah', |
| 251 | '19': 19, |
| 252 | 'minus 1.5': -1.5, |
| 253 | }, |
| 254 | 'null': None, |
| 255 | } |
| 256 | |
| 257 | res = bt2.QueryExecutor().query(MySink, 'obj', params) |
| 258 | self.assertEqual(query_params, params) |
| 259 | self.assertEqual(res, { |
| 260 | 'null': None, |
| 261 | 'bt2': 'BT2', |
| 262 | }) |
| 263 | del query_params |
| 264 | |
| 265 | def test_eq(self): |
| 266 | class MySink(bt2._UserSinkComponent): |
| 267 | def _consume(self): |
| 268 | pass |
| 269 | |
| 270 | self.assertEqual(MySink, MySink) |
| 271 | |
| 272 | |
| 273 | class GenericComponentClassTestCase(unittest.TestCase): |
| 274 | def setUp(self): |
| 275 | class MySink(bt2._UserSinkComponent): |
| 276 | ''' |
| 277 | The description. |
| 278 | |
| 279 | The help. |
| 280 | ''' |
| 281 | def _consume(self): |
| 282 | pass |
| 283 | |
| 284 | @classmethod |
| 285 | def _query(cls, query_exec, obj, params): |
| 286 | return [obj, params, 23] |
| 287 | |
| 288 | self._py_comp_cls = MySink |
| 289 | graph = bt2.Graph() |
| 290 | comp = graph.add_sink_component(MySink, 'salut') |
| 291 | self._comp_cls = comp.component_class |
| 292 | self.assertTrue(issubclass(type(self._comp_cls), |
| 293 | bt2.component._GenericComponentClass)) |
| 294 | |
| 295 | def tearDown(self): |
| 296 | del self._py_comp_cls |
| 297 | del self._comp_cls |
| 298 | |
| 299 | def test_description(self): |
| 300 | self.assertEqual(self._comp_cls.description, 'The description.') |
| 301 | |
| 302 | def test_help(self): |
| 303 | self.assertEqual(self._comp_cls.help, 'The help.') |
| 304 | |
| 305 | def test_name(self): |
| 306 | self.assertEqual(self._comp_cls.name, 'MySink') |
| 307 | |
| 308 | def test_addr(self): |
| 309 | self.assertIsInstance(self._comp_cls.addr, int) |
| 310 | self.assertNotEqual(self._comp_cls.addr, 0) |
| 311 | |
| 312 | def test_eq_invalid(self): |
| 313 | self.assertFalse(self._comp_cls == 23) |
| 314 | |
| 315 | def test_eq(self): |
| 316 | self.assertEqual(self._comp_cls, self._comp_cls) |
| 317 | self.assertEqual(self._py_comp_cls, self._comp_cls) |
| 318 | |
| 319 | def test_query(self): |
| 320 | res = bt2.QueryExecutor().query(self._comp_cls, 'an object', |
| 321 | {'yes': 'no', 'book': -17}) |
| 322 | expected = ['an object', {'yes': 'no', 'book': -17}, 23] |
| 323 | self.assertEqual(res, expected) |