| Collin Winter | 828f04a | 2007-08-31 00:04:24 +0000 | [diff] [blame^] | 1 | # Copyright 2007 Google, Inc. All Rights Reserved. |
| 2 | # Licensed to PSF under a Contributor Agreement. |
| 3 | |
| 4 | """Tests for the raise statement.""" |
| 5 | |
| 6 | from test import test_support |
| 7 | import sys |
| 8 | import types |
| 9 | import unittest |
| 10 | |
| 11 | |
| 12 | def get_tb(): |
| 13 | try: |
| 14 | raise OSError() |
| 15 | except: |
| 16 | return sys.exc_info()[2] |
| 17 | |
| 18 | |
| 19 | class TestRaise(unittest.TestCase): |
| 20 | def test_invalid_reraise(self): |
| 21 | try: |
| 22 | raise |
| 23 | except RuntimeError as e: |
| 24 | self.failUnless("No active exception" in str(e)) |
| 25 | else: |
| 26 | self.fail("No exception raised") |
| 27 | |
| 28 | def test_reraise(self): |
| 29 | try: |
| 30 | try: |
| 31 | raise IndexError() |
| 32 | except IndexError as e: |
| 33 | exc1 = e |
| 34 | raise |
| 35 | except IndexError as exc2: |
| 36 | self.failUnless(exc1 is exc2) |
| 37 | else: |
| 38 | self.fail("No exception raised") |
| 39 | |
| 40 | |
| 41 | class TestCause(unittest.TestCase): |
| 42 | def test_invalid_cause(self): |
| 43 | try: |
| 44 | raise IndexError from 5 |
| 45 | except TypeError as e: |
| 46 | self.failUnless("exception cause" in str(e)) |
| 47 | else: |
| 48 | self.fail("No exception raised") |
| 49 | |
| 50 | def test_class_cause(self): |
| 51 | try: |
| 52 | raise IndexError from KeyError |
| 53 | except IndexError as e: |
| 54 | self.failUnless(isinstance(e.__cause__, KeyError)) |
| 55 | else: |
| 56 | self.fail("No exception raised") |
| 57 | |
| 58 | def test_instance_cause(self): |
| 59 | cause = KeyError() |
| 60 | try: |
| 61 | raise IndexError from cause |
| 62 | except IndexError as e: |
| 63 | self.failUnless(e.__cause__ is cause) |
| 64 | else: |
| 65 | self.fail("No exception raised") |
| 66 | |
| 67 | |
| 68 | class TestTraceback(unittest.TestCase): |
| 69 | def test_sets_traceback(self): |
| 70 | try: |
| 71 | raise IndexError() |
| 72 | except IndexError as e: |
| 73 | self.failUnless(isinstance(e.__traceback__, types.TracebackType)) |
| 74 | else: |
| 75 | self.fail("No exception raised") |
| 76 | |
| 77 | def test_accepts_traceback(self): |
| 78 | tb = get_tb() |
| 79 | try: |
| 80 | raise IndexError().with_traceback(tb) |
| 81 | except IndexError as e: |
| 82 | self.assertNotEqual(e.__traceback__, tb) |
| 83 | self.assertEqual(e.__traceback__.tb_next, tb) |
| 84 | else: |
| 85 | self.fail("No exception raised") |
| 86 | |
| 87 | |
| 88 | # Disabled until context is implemented |
| 89 | # class TestContext(object): |
| 90 | # def test_instance_context_bare_raise(self): |
| 91 | # context = IndexError() |
| 92 | # try: |
| 93 | # try: |
| 94 | # raise context |
| 95 | # except: |
| 96 | # raise OSError() |
| 97 | # except OSError as e: |
| 98 | # self.assertEqual(e.__context__, context) |
| 99 | # else: |
| 100 | # self.fail("No exception raised") |
| 101 | # |
| 102 | # def test_class_context_bare_raise(self): |
| 103 | # context = IndexError |
| 104 | # try: |
| 105 | # try: |
| 106 | # raise context |
| 107 | # except: |
| 108 | # raise OSError() |
| 109 | # except OSError as e: |
| 110 | # self.assertNotEqual(e.__context__, context) |
| 111 | # self.failUnless(isinstance(e.__context__, context)) |
| 112 | # else: |
| 113 | # self.fail("No exception raised") |
| 114 | |
| 115 | |
| 116 | class TestRemovedFunctionality(unittest.TestCase): |
| 117 | def test_tuples(self): |
| 118 | try: |
| 119 | raise (IndexError, KeyError) # This should be a tuple! |
| 120 | except TypeError: |
| 121 | pass |
| 122 | else: |
| 123 | self.fail("No exception raised") |
| 124 | |
| 125 | def test_strings(self): |
| 126 | try: |
| 127 | raise "foo" |
| 128 | except TypeError: |
| 129 | pass |
| 130 | else: |
| 131 | self.fail("No exception raised") |
| 132 | |
| 133 | |
| 134 | def test_main(): |
| 135 | test_support.run_unittest(__name__) |
| 136 | |
| 137 | |
| 138 | if __name__ == "__main__": |
| 139 | unittest.main() |
| 140 | # Copyright 2007 Google, Inc. All Rights Reserved. |
| 141 | # Licensed to PSF under a Contributor Agreement. |
| 142 | |
| 143 | """Tests for the raise statement.""" |
| 144 | |
| 145 | from test import test_support |
| 146 | import sys |
| 147 | import types |
| 148 | import unittest |
| 149 | |
| 150 | |
| 151 | def get_tb(): |
| 152 | try: |
| 153 | raise OSError() |
| 154 | except: |
| 155 | return sys.exc_info()[2] |
| 156 | |
| 157 | |
| 158 | class TestRaise(unittest.TestCase): |
| 159 | def test_invalid_reraise(self): |
| 160 | try: |
| 161 | raise |
| 162 | except RuntimeError as e: |
| 163 | self.failUnless("No active exception" in str(e)) |
| 164 | else: |
| 165 | self.fail("No exception raised") |
| 166 | |
| 167 | def test_reraise(self): |
| 168 | try: |
| 169 | try: |
| 170 | raise IndexError() |
| 171 | except IndexError as e: |
| 172 | exc1 = e |
| 173 | raise |
| 174 | except IndexError as exc2: |
| 175 | self.failUnless(exc1 is exc2) |
| 176 | else: |
| 177 | self.fail("No exception raised") |
| 178 | |
| 179 | |
| 180 | class TestCause(unittest.TestCase): |
| 181 | def test_invalid_cause(self): |
| 182 | try: |
| 183 | raise IndexError from 5 |
| 184 | except TypeError as e: |
| 185 | self.failUnless("exception cause" in str(e)) |
| 186 | else: |
| 187 | self.fail("No exception raised") |
| 188 | |
| 189 | def test_class_cause(self): |
| 190 | try: |
| 191 | raise IndexError from KeyError |
| 192 | except IndexError as e: |
| 193 | self.failUnless(isinstance(e.__cause__, KeyError)) |
| 194 | else: |
| 195 | self.fail("No exception raised") |
| 196 | |
| 197 | def test_instance_cause(self): |
| 198 | cause = KeyError() |
| 199 | try: |
| 200 | raise IndexError from cause |
| 201 | except IndexError as e: |
| 202 | self.failUnless(e.__cause__ is cause) |
| 203 | else: |
| 204 | self.fail("No exception raised") |
| 205 | |
| 206 | |
| 207 | class TestTraceback(unittest.TestCase): |
| 208 | def test_sets_traceback(self): |
| 209 | try: |
| 210 | raise IndexError() |
| 211 | except IndexError as e: |
| 212 | self.failUnless(isinstance(e.__traceback__, types.TracebackType)) |
| 213 | else: |
| 214 | self.fail("No exception raised") |
| 215 | |
| 216 | def test_accepts_traceback(self): |
| 217 | tb = get_tb() |
| 218 | try: |
| 219 | raise IndexError().with_traceback(tb) |
| 220 | except IndexError as e: |
| 221 | self.assertNotEqual(e.__traceback__, tb) |
| 222 | self.assertEqual(e.__traceback__.tb_next, tb) |
| 223 | else: |
| 224 | self.fail("No exception raised") |
| 225 | |
| 226 | |
| 227 | # Disabled until context is implemented |
| 228 | # class TestContext(object): |
| 229 | # def test_instance_context_bare_raise(self): |
| 230 | # context = IndexError() |
| 231 | # try: |
| 232 | # try: |
| 233 | # raise context |
| 234 | # except: |
| 235 | # raise OSError() |
| 236 | # except OSError as e: |
| 237 | # self.assertEqual(e.__context__, context) |
| 238 | # else: |
| 239 | # self.fail("No exception raised") |
| 240 | # |
| 241 | # def test_class_context_bare_raise(self): |
| 242 | # context = IndexError |
| 243 | # try: |
| 244 | # try: |
| 245 | # raise context |
| 246 | # except: |
| 247 | # raise OSError() |
| 248 | # except OSError as e: |
| 249 | # self.assertNotEqual(e.__context__, context) |
| 250 | # self.failUnless(isinstance(e.__context__, context)) |
| 251 | # else: |
| 252 | # self.fail("No exception raised") |
| 253 | |
| 254 | |
| 255 | class TestRemovedFunctionality(unittest.TestCase): |
| 256 | def test_tuples(self): |
| 257 | try: |
| 258 | raise (IndexError, KeyError) # This should be a tuple! |
| 259 | except TypeError: |
| 260 | pass |
| 261 | else: |
| 262 | self.fail("No exception raised") |
| 263 | |
| 264 | def test_strings(self): |
| 265 | try: |
| 266 | raise "foo" |
| 267 | except TypeError: |
| 268 | pass |
| 269 | else: |
| 270 | self.fail("No exception raised") |
| 271 | |
| 272 | |
| 273 | def test_main(): |
| 274 | test_support.run_unittest(__name__) |
| 275 | |
| 276 | |
| 277 | if __name__ == "__main__": |
| 278 | unittest.main() |
| 279 | # Copyright 2007 Google, Inc. All Rights Reserved. |
| 280 | # Licensed to PSF under a Contributor Agreement. |
| 281 | |
| 282 | """Tests for the raise statement.""" |
| 283 | |
| 284 | from test import test_support |
| 285 | import sys |
| 286 | import types |
| 287 | import unittest |
| 288 | |
| 289 | |
| 290 | def get_tb(): |
| 291 | try: |
| 292 | raise OSError() |
| 293 | except: |
| 294 | return sys.exc_info()[2] |
| 295 | |
| 296 | |
| 297 | class TestRaise(unittest.TestCase): |
| 298 | def test_invalid_reraise(self): |
| 299 | try: |
| 300 | raise |
| 301 | except RuntimeError as e: |
| 302 | self.failUnless("No active exception" in str(e)) |
| 303 | else: |
| 304 | self.fail("No exception raised") |
| 305 | |
| 306 | def test_reraise(self): |
| 307 | try: |
| 308 | try: |
| 309 | raise IndexError() |
| 310 | except IndexError as e: |
| 311 | exc1 = e |
| 312 | raise |
| 313 | except IndexError as exc2: |
| 314 | self.failUnless(exc1 is exc2) |
| 315 | else: |
| 316 | self.fail("No exception raised") |
| 317 | |
| 318 | |
| 319 | class TestCause(unittest.TestCase): |
| 320 | def test_invalid_cause(self): |
| 321 | try: |
| 322 | raise IndexError from 5 |
| 323 | except TypeError as e: |
| 324 | self.failUnless("exception cause" in str(e)) |
| 325 | else: |
| 326 | self.fail("No exception raised") |
| 327 | |
| 328 | def test_class_cause(self): |
| 329 | try: |
| 330 | raise IndexError from KeyError |
| 331 | except IndexError as e: |
| 332 | self.failUnless(isinstance(e.__cause__, KeyError)) |
| 333 | else: |
| 334 | self.fail("No exception raised") |
| 335 | |
| 336 | def test_instance_cause(self): |
| 337 | cause = KeyError() |
| 338 | try: |
| 339 | raise IndexError from cause |
| 340 | except IndexError as e: |
| 341 | self.failUnless(e.__cause__ is cause) |
| 342 | else: |
| 343 | self.fail("No exception raised") |
| 344 | |
| 345 | |
| 346 | class TestTraceback(unittest.TestCase): |
| 347 | def test_sets_traceback(self): |
| 348 | try: |
| 349 | raise IndexError() |
| 350 | except IndexError as e: |
| 351 | self.failUnless(isinstance(e.__traceback__, types.TracebackType)) |
| 352 | else: |
| 353 | self.fail("No exception raised") |
| 354 | |
| 355 | def test_accepts_traceback(self): |
| 356 | tb = get_tb() |
| 357 | try: |
| 358 | raise IndexError().with_traceback(tb) |
| 359 | except IndexError as e: |
| 360 | self.assertNotEqual(e.__traceback__, tb) |
| 361 | self.assertEqual(e.__traceback__.tb_next, tb) |
| 362 | else: |
| 363 | self.fail("No exception raised") |
| 364 | |
| 365 | |
| 366 | # Disabled until context is implemented |
| 367 | # class TestContext(object): |
| 368 | # def test_instance_context_bare_raise(self): |
| 369 | # context = IndexError() |
| 370 | # try: |
| 371 | # try: |
| 372 | # raise context |
| 373 | # except: |
| 374 | # raise OSError() |
| 375 | # except OSError as e: |
| 376 | # self.assertEqual(e.__context__, context) |
| 377 | # else: |
| 378 | # self.fail("No exception raised") |
| 379 | # |
| 380 | # def test_class_context_bare_raise(self): |
| 381 | # context = IndexError |
| 382 | # try: |
| 383 | # try: |
| 384 | # raise context |
| 385 | # except: |
| 386 | # raise OSError() |
| 387 | # except OSError as e: |
| 388 | # self.assertNotEqual(e.__context__, context) |
| 389 | # self.failUnless(isinstance(e.__context__, context)) |
| 390 | # else: |
| 391 | # self.fail("No exception raised") |
| 392 | |
| 393 | |
| 394 | class TestRemovedFunctionality(unittest.TestCase): |
| 395 | def test_tuples(self): |
| 396 | try: |
| 397 | raise (IndexError, KeyError) # This should be a tuple! |
| 398 | except TypeError: |
| 399 | pass |
| 400 | else: |
| 401 | self.fail("No exception raised") |
| 402 | |
| 403 | def test_strings(self): |
| 404 | try: |
| 405 | raise "foo" |
| 406 | except TypeError: |
| 407 | pass |
| 408 | else: |
| 409 | self.fail("No exception raised") |
| 410 | |
| 411 | |
| 412 | def test_main(): |
| 413 | test_support.run_unittest(__name__) |
| 414 | |
| 415 | |
| 416 | if __name__ == "__main__": |
| 417 | unittest.main() |