Georg Brandl | 46b9afc | 2010-07-30 09:14:20 +0000 | [diff] [blame] | 1 | # A test suite for pdb; not very comprehensive at the moment. |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 2 | |
| 3 | import imp |
Georg Brandl | 6cccb86 | 2010-07-30 14:16:43 +0000 | [diff] [blame] | 4 | import pdb |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 5 | import sys |
Georg Brandl | 6cccb86 | 2010-07-30 14:16:43 +0000 | [diff] [blame] | 6 | import unittest |
| 7 | import subprocess |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 8 | |
| 9 | from test import support |
| 10 | # This little helper class is essential for testing pdb under doctest. |
| 11 | from test.test_doctest import _FakeInput |
| 12 | |
| 13 | |
Georg Brandl | 9fa2e02 | 2009-09-16 16:40:45 +0000 | [diff] [blame] | 14 | class PdbTestInput(object): |
| 15 | """Context manager that makes testing Pdb in doctests easier.""" |
| 16 | |
| 17 | def __init__(self, input): |
| 18 | self.input = input |
| 19 | |
| 20 | def __enter__(self): |
| 21 | self.real_stdin = sys.stdin |
| 22 | sys.stdin = _FakeInput(self.input) |
Brett Cannon | 31f5929 | 2011-02-21 19:29:56 +0000 | [diff] [blame^] | 23 | self.orig_trace = sys.gettrace() if hasattr(sys, 'gettrace') else None |
Georg Brandl | 9fa2e02 | 2009-09-16 16:40:45 +0000 | [diff] [blame] | 24 | |
| 25 | def __exit__(self, *exc): |
| 26 | sys.stdin = self.real_stdin |
Brett Cannon | 31f5929 | 2011-02-21 19:29:56 +0000 | [diff] [blame^] | 27 | if self.orig_trace: |
| 28 | sys.settrace(self.orig_trace) |
Georg Brandl | 9fa2e02 | 2009-09-16 16:40:45 +0000 | [diff] [blame] | 29 | |
| 30 | |
| 31 | def test_pdb_displayhook(): |
| 32 | """This tests the custom displayhook for pdb. |
| 33 | |
| 34 | >>> def test_function(foo, bar): |
Georg Brandl | 34748cd | 2010-12-04 17:11:36 +0000 | [diff] [blame] | 35 | ... import pdb; pdb.Pdb(nosigint=True).set_trace() |
Georg Brandl | 9fa2e02 | 2009-09-16 16:40:45 +0000 | [diff] [blame] | 36 | ... pass |
| 37 | |
| 38 | >>> with PdbTestInput([ |
| 39 | ... 'foo', |
| 40 | ... 'bar', |
| 41 | ... 'for i in range(5): print(i)', |
| 42 | ... 'continue', |
| 43 | ... ]): |
| 44 | ... test_function(1, None) |
| 45 | > <doctest test.test_pdb.test_pdb_displayhook[0]>(3)test_function() |
| 46 | -> pass |
| 47 | (Pdb) foo |
| 48 | 1 |
| 49 | (Pdb) bar |
| 50 | (Pdb) for i in range(5): print(i) |
| 51 | 0 |
| 52 | 1 |
| 53 | 2 |
| 54 | 3 |
| 55 | 4 |
| 56 | (Pdb) continue |
| 57 | """ |
| 58 | |
| 59 | |
Georg Brandl | 0d08962 | 2010-07-30 16:00:46 +0000 | [diff] [blame] | 60 | def test_pdb_basic_commands(): |
| 61 | """Test the basic commands of pdb. |
| 62 | |
| 63 | >>> def test_function_2(foo, bar='default'): |
| 64 | ... print(foo) |
| 65 | ... for i in range(5): |
| 66 | ... print(i) |
| 67 | ... print(bar) |
| 68 | ... for i in range(10): |
| 69 | ... never_executed |
| 70 | ... print('after for') |
| 71 | ... print('...') |
| 72 | ... return foo.upper() |
| 73 | |
| 74 | >>> def test_function(): |
Georg Brandl | 34748cd | 2010-12-04 17:11:36 +0000 | [diff] [blame] | 75 | ... import pdb; pdb.Pdb(nosigint=True).set_trace() |
Georg Brandl | 0d08962 | 2010-07-30 16:00:46 +0000 | [diff] [blame] | 76 | ... ret = test_function_2('baz') |
| 77 | ... print(ret) |
| 78 | |
| 79 | >>> with PdbTestInput([ # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE |
| 80 | ... 'step', # entering the function call |
| 81 | ... 'args', # display function args |
| 82 | ... 'list', # list function source |
| 83 | ... 'bt', # display backtrace |
| 84 | ... 'up', # step up to test_function() |
| 85 | ... 'down', # step down to test_function_2() again |
| 86 | ... 'next', # stepping to print(foo) |
| 87 | ... 'next', # stepping to the for loop |
| 88 | ... 'step', # stepping into the for loop |
| 89 | ... 'until', # continuing until out of the for loop |
| 90 | ... 'next', # executing the print(bar) |
| 91 | ... 'jump 8', # jump over second for loop |
| 92 | ... 'return', # return out of function |
| 93 | ... 'retval', # display return value |
| 94 | ... 'continue', |
| 95 | ... ]): |
| 96 | ... test_function() |
| 97 | > <doctest test.test_pdb.test_pdb_basic_commands[1]>(3)test_function() |
| 98 | -> ret = test_function_2('baz') |
| 99 | (Pdb) step |
| 100 | --Call-- |
| 101 | > <doctest test.test_pdb.test_pdb_basic_commands[0]>(1)test_function_2() |
| 102 | -> def test_function_2(foo, bar='default'): |
| 103 | (Pdb) args |
| 104 | foo = 'baz' |
| 105 | bar = 'default' |
| 106 | (Pdb) list |
| 107 | 1 -> def test_function_2(foo, bar='default'): |
| 108 | 2 print(foo) |
| 109 | 3 for i in range(5): |
| 110 | 4 print(i) |
| 111 | 5 print(bar) |
| 112 | 6 for i in range(10): |
| 113 | 7 never_executed |
| 114 | 8 print('after for') |
| 115 | 9 print('...') |
| 116 | 10 return foo.upper() |
| 117 | [EOF] |
| 118 | (Pdb) bt |
| 119 | ... |
| 120 | <doctest test.test_pdb.test_pdb_basic_commands[2]>(18)<module>() |
| 121 | -> test_function() |
| 122 | <doctest test.test_pdb.test_pdb_basic_commands[1]>(3)test_function() |
| 123 | -> ret = test_function_2('baz') |
| 124 | > <doctest test.test_pdb.test_pdb_basic_commands[0]>(1)test_function_2() |
| 125 | -> def test_function_2(foo, bar='default'): |
| 126 | (Pdb) up |
| 127 | > <doctest test.test_pdb.test_pdb_basic_commands[1]>(3)test_function() |
| 128 | -> ret = test_function_2('baz') |
| 129 | (Pdb) down |
| 130 | > <doctest test.test_pdb.test_pdb_basic_commands[0]>(1)test_function_2() |
| 131 | -> def test_function_2(foo, bar='default'): |
| 132 | (Pdb) next |
| 133 | > <doctest test.test_pdb.test_pdb_basic_commands[0]>(2)test_function_2() |
| 134 | -> print(foo) |
| 135 | (Pdb) next |
| 136 | baz |
| 137 | > <doctest test.test_pdb.test_pdb_basic_commands[0]>(3)test_function_2() |
| 138 | -> for i in range(5): |
| 139 | (Pdb) step |
| 140 | > <doctest test.test_pdb.test_pdb_basic_commands[0]>(4)test_function_2() |
| 141 | -> print(i) |
| 142 | (Pdb) until |
| 143 | 0 |
| 144 | 1 |
| 145 | 2 |
| 146 | 3 |
| 147 | 4 |
| 148 | > <doctest test.test_pdb.test_pdb_basic_commands[0]>(5)test_function_2() |
| 149 | -> print(bar) |
| 150 | (Pdb) next |
| 151 | default |
| 152 | > <doctest test.test_pdb.test_pdb_basic_commands[0]>(6)test_function_2() |
| 153 | -> for i in range(10): |
| 154 | (Pdb) jump 8 |
| 155 | > <doctest test.test_pdb.test_pdb_basic_commands[0]>(8)test_function_2() |
| 156 | -> print('after for') |
| 157 | (Pdb) return |
| 158 | after for |
| 159 | ... |
| 160 | --Return-- |
| 161 | > <doctest test.test_pdb.test_pdb_basic_commands[0]>(10)test_function_2()->'BAZ' |
| 162 | -> return foo.upper() |
| 163 | (Pdb) retval |
| 164 | 'BAZ' |
| 165 | (Pdb) continue |
| 166 | BAZ |
| 167 | """ |
| 168 | |
| 169 | |
| 170 | def test_pdb_breakpoint_commands(): |
| 171 | """Test basic commands related to breakpoints. |
| 172 | |
| 173 | >>> def test_function(): |
Georg Brandl | 34748cd | 2010-12-04 17:11:36 +0000 | [diff] [blame] | 174 | ... import pdb; pdb.Pdb(nosigint=True).set_trace() |
Georg Brandl | 0d08962 | 2010-07-30 16:00:46 +0000 | [diff] [blame] | 175 | ... print(1) |
| 176 | ... print(2) |
| 177 | ... print(3) |
| 178 | ... print(4) |
| 179 | |
| 180 | First, need to clear bdb state that might be left over from previous tests. |
| 181 | Otherwise, the new breakpoints might get assigned different numbers. |
| 182 | |
| 183 | >>> from bdb import Breakpoint |
| 184 | >>> Breakpoint.next = 1 |
| 185 | >>> Breakpoint.bplist = {} |
| 186 | >>> Breakpoint.bpbynumber = [None] |
| 187 | |
| 188 | Now test the breakpoint commands. NORMALIZE_WHITESPACE is needed because |
| 189 | the breakpoint list outputs a tab for the "stop only" and "ignore next" |
| 190 | lines, which we don't want to put in here. |
| 191 | |
| 192 | >>> with PdbTestInput([ # doctest: +NORMALIZE_WHITESPACE |
| 193 | ... 'break 3', |
| 194 | ... 'disable 1', |
| 195 | ... 'ignore 1 10', |
| 196 | ... 'condition 1 1 < 2', |
| 197 | ... 'break 4', |
Senthil Kumaran | 6f10704 | 2010-11-29 11:54:17 +0000 | [diff] [blame] | 198 | ... 'break 4', |
| 199 | ... 'break', |
| 200 | ... 'clear 3', |
Georg Brandl | 0d08962 | 2010-07-30 16:00:46 +0000 | [diff] [blame] | 201 | ... 'break', |
| 202 | ... 'condition 1', |
| 203 | ... 'enable 1', |
| 204 | ... 'clear 1', |
| 205 | ... 'commands 2', |
| 206 | ... 'print 42', |
| 207 | ... 'end', |
| 208 | ... 'continue', # will stop at breakpoint 2 (line 4) |
| 209 | ... 'clear', # clear all! |
| 210 | ... 'y', |
| 211 | ... 'tbreak 5', |
| 212 | ... 'continue', # will stop at temporary breakpoint |
| 213 | ... 'break', # make sure breakpoint is gone |
| 214 | ... 'continue', |
| 215 | ... ]): |
| 216 | ... test_function() |
| 217 | > <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(3)test_function() |
| 218 | -> print(1) |
| 219 | (Pdb) break 3 |
| 220 | Breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3 |
| 221 | (Pdb) disable 1 |
| 222 | Disabled breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3 |
| 223 | (Pdb) ignore 1 10 |
| 224 | Will ignore next 10 crossings of breakpoint 1. |
| 225 | (Pdb) condition 1 1 < 2 |
| 226 | New condition set for breakpoint 1. |
| 227 | (Pdb) break 4 |
| 228 | Breakpoint 2 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4 |
Senthil Kumaran | 6f10704 | 2010-11-29 11:54:17 +0000 | [diff] [blame] | 229 | (Pdb) break 4 |
| 230 | Breakpoint 3 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4 |
| 231 | (Pdb) break |
| 232 | Num Type Disp Enb Where |
| 233 | 1 breakpoint keep no at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3 |
| 234 | stop only if 1 < 2 |
| 235 | ignore next 10 hits |
| 236 | 2 breakpoint keep yes at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4 |
| 237 | 3 breakpoint keep yes at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4 |
| 238 | (Pdb) clear 3 |
| 239 | Deleted breakpoint 3 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4 |
Georg Brandl | 0d08962 | 2010-07-30 16:00:46 +0000 | [diff] [blame] | 240 | (Pdb) break |
| 241 | Num Type Disp Enb Where |
| 242 | 1 breakpoint keep no at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3 |
| 243 | stop only if 1 < 2 |
| 244 | ignore next 10 hits |
| 245 | 2 breakpoint keep yes at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4 |
| 246 | (Pdb) condition 1 |
| 247 | Breakpoint 1 is now unconditional. |
| 248 | (Pdb) enable 1 |
| 249 | Enabled breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3 |
| 250 | (Pdb) clear 1 |
| 251 | Deleted breakpoint 1 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:3 |
| 252 | (Pdb) commands 2 |
| 253 | (com) print 42 |
| 254 | (com) end |
| 255 | (Pdb) continue |
| 256 | 1 |
| 257 | 42 |
| 258 | > <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(4)test_function() |
| 259 | -> print(2) |
| 260 | (Pdb) clear |
| 261 | Clear all breaks? y |
| 262 | Deleted breakpoint 2 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:4 |
| 263 | (Pdb) tbreak 5 |
Senthil Kumaran | 6f10704 | 2010-11-29 11:54:17 +0000 | [diff] [blame] | 264 | Breakpoint 4 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:5 |
Georg Brandl | 0d08962 | 2010-07-30 16:00:46 +0000 | [diff] [blame] | 265 | (Pdb) continue |
| 266 | 2 |
Senthil Kumaran | 6f10704 | 2010-11-29 11:54:17 +0000 | [diff] [blame] | 267 | Deleted breakpoint 4 at <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>:5 |
Georg Brandl | 0d08962 | 2010-07-30 16:00:46 +0000 | [diff] [blame] | 268 | > <doctest test.test_pdb.test_pdb_breakpoint_commands[0]>(5)test_function() |
| 269 | -> print(3) |
| 270 | (Pdb) break |
| 271 | (Pdb) continue |
| 272 | 3 |
| 273 | 4 |
| 274 | """ |
| 275 | |
| 276 | |
Georg Brandl | e59ca2a | 2010-07-30 17:04:28 +0000 | [diff] [blame] | 277 | def do_nothing(): |
| 278 | pass |
| 279 | |
| 280 | def do_something(): |
| 281 | print(42) |
| 282 | |
| 283 | def test_list_commands(): |
| 284 | """Test the list and source commands of pdb. |
| 285 | |
| 286 | >>> def test_function_2(foo): |
Georg Brandl | a8fbc6a | 2010-07-31 11:52:46 +0000 | [diff] [blame] | 287 | ... import test.test_pdb |
| 288 | ... test.test_pdb.do_nothing() |
Georg Brandl | e59ca2a | 2010-07-30 17:04:28 +0000 | [diff] [blame] | 289 | ... 'some...' |
| 290 | ... 'more...' |
| 291 | ... 'code...' |
| 292 | ... 'to...' |
| 293 | ... 'make...' |
| 294 | ... 'a...' |
| 295 | ... 'long...' |
| 296 | ... 'listing...' |
| 297 | ... 'useful...' |
| 298 | ... '...' |
| 299 | ... '...' |
| 300 | ... return foo |
| 301 | |
| 302 | >>> def test_function(): |
Georg Brandl | 34748cd | 2010-12-04 17:11:36 +0000 | [diff] [blame] | 303 | ... import pdb; pdb.Pdb(nosigint=True).set_trace() |
Georg Brandl | e59ca2a | 2010-07-30 17:04:28 +0000 | [diff] [blame] | 304 | ... ret = test_function_2('baz') |
| 305 | |
| 306 | >>> with PdbTestInput([ # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE |
| 307 | ... 'list', # list first function |
| 308 | ... 'step', # step into second function |
| 309 | ... 'list', # list second function |
| 310 | ... 'list', # continue listing to EOF |
| 311 | ... 'list 1,3', # list specific lines |
| 312 | ... 'list x', # invalid argument |
| 313 | ... 'next', # step to import |
| 314 | ... 'next', # step over import |
| 315 | ... 'step', # step into do_nothing |
| 316 | ... 'longlist', # list all lines |
| 317 | ... 'source do_something', # list all lines of function |
Georg Brandl | cdf66a9 | 2010-07-30 18:15:16 +0000 | [diff] [blame] | 318 | ... 'source fooxxx', # something that doesn't exit |
Georg Brandl | e59ca2a | 2010-07-30 17:04:28 +0000 | [diff] [blame] | 319 | ... 'continue', |
| 320 | ... ]): |
| 321 | ... test_function() |
| 322 | > <doctest test.test_pdb.test_list_commands[1]>(3)test_function() |
| 323 | -> ret = test_function_2('baz') |
| 324 | (Pdb) list |
| 325 | 1 def test_function(): |
Georg Brandl | 34748cd | 2010-12-04 17:11:36 +0000 | [diff] [blame] | 326 | 2 import pdb; pdb.Pdb(nosigint=True).set_trace() |
Georg Brandl | e59ca2a | 2010-07-30 17:04:28 +0000 | [diff] [blame] | 327 | 3 -> ret = test_function_2('baz') |
| 328 | [EOF] |
| 329 | (Pdb) step |
| 330 | --Call-- |
| 331 | > <doctest test.test_pdb.test_list_commands[0]>(1)test_function_2() |
| 332 | -> def test_function_2(foo): |
| 333 | (Pdb) list |
| 334 | 1 -> def test_function_2(foo): |
Georg Brandl | a8fbc6a | 2010-07-31 11:52:46 +0000 | [diff] [blame] | 335 | 2 import test.test_pdb |
| 336 | 3 test.test_pdb.do_nothing() |
Georg Brandl | e59ca2a | 2010-07-30 17:04:28 +0000 | [diff] [blame] | 337 | 4 'some...' |
| 338 | 5 'more...' |
| 339 | 6 'code...' |
| 340 | 7 'to...' |
| 341 | 8 'make...' |
| 342 | 9 'a...' |
| 343 | 10 'long...' |
| 344 | 11 'listing...' |
| 345 | (Pdb) list |
| 346 | 12 'useful...' |
| 347 | 13 '...' |
| 348 | 14 '...' |
| 349 | 15 return foo |
| 350 | [EOF] |
| 351 | (Pdb) list 1,3 |
| 352 | 1 -> def test_function_2(foo): |
Georg Brandl | a8fbc6a | 2010-07-31 11:52:46 +0000 | [diff] [blame] | 353 | 2 import test.test_pdb |
| 354 | 3 test.test_pdb.do_nothing() |
Georg Brandl | e59ca2a | 2010-07-30 17:04:28 +0000 | [diff] [blame] | 355 | (Pdb) list x |
| 356 | *** ... |
| 357 | (Pdb) next |
| 358 | > <doctest test.test_pdb.test_list_commands[0]>(2)test_function_2() |
Georg Brandl | a8fbc6a | 2010-07-31 11:52:46 +0000 | [diff] [blame] | 359 | -> import test.test_pdb |
Georg Brandl | e59ca2a | 2010-07-30 17:04:28 +0000 | [diff] [blame] | 360 | (Pdb) next |
| 361 | > <doctest test.test_pdb.test_list_commands[0]>(3)test_function_2() |
Georg Brandl | a8fbc6a | 2010-07-31 11:52:46 +0000 | [diff] [blame] | 362 | -> test.test_pdb.do_nothing() |
Georg Brandl | e59ca2a | 2010-07-30 17:04:28 +0000 | [diff] [blame] | 363 | (Pdb) step |
| 364 | --Call-- |
Georg Brandl | e1e8df1 | 2010-07-31 08:14:16 +0000 | [diff] [blame] | 365 | > ...test_pdb.py(...)do_nothing() |
Georg Brandl | e59ca2a | 2010-07-30 17:04:28 +0000 | [diff] [blame] | 366 | -> def do_nothing(): |
| 367 | (Pdb) longlist |
| 368 | ... -> def do_nothing(): |
| 369 | ... pass |
| 370 | (Pdb) source do_something |
| 371 | ... def do_something(): |
| 372 | ... print(42) |
Georg Brandl | cdf66a9 | 2010-07-30 18:15:16 +0000 | [diff] [blame] | 373 | (Pdb) source fooxxx |
| 374 | *** ... |
Georg Brandl | e59ca2a | 2010-07-30 17:04:28 +0000 | [diff] [blame] | 375 | (Pdb) continue |
| 376 | """ |
| 377 | |
| 378 | |
Georg Brandl | 0a9c3e9 | 2010-07-30 18:46:38 +0000 | [diff] [blame] | 379 | def test_post_mortem(): |
| 380 | """Test post mortem traceback debugging. |
| 381 | |
| 382 | >>> def test_function_2(): |
| 383 | ... try: |
| 384 | ... 1/0 |
| 385 | ... finally: |
| 386 | ... print('Exception!') |
| 387 | |
| 388 | >>> def test_function(): |
Georg Brandl | 34748cd | 2010-12-04 17:11:36 +0000 | [diff] [blame] | 389 | ... import pdb; pdb.Pdb(nosigint=True).set_trace() |
Georg Brandl | 0a9c3e9 | 2010-07-30 18:46:38 +0000 | [diff] [blame] | 390 | ... test_function_2() |
| 391 | ... print('Not reached.') |
| 392 | |
| 393 | >>> with PdbTestInput([ # doctest: +ELLIPSIS, +NORMALIZE_WHITESPACE |
| 394 | ... 'next', # step over exception-raising call |
| 395 | ... 'bt', # get a backtrace |
| 396 | ... 'list', # list code of test_function() |
| 397 | ... 'down', # step into test_function_2() |
| 398 | ... 'list', # list code of test_function_2() |
| 399 | ... 'continue', |
| 400 | ... ]): |
| 401 | ... try: |
| 402 | ... test_function() |
| 403 | ... except ZeroDivisionError: |
| 404 | ... print('Correctly reraised.') |
| 405 | > <doctest test.test_pdb.test_post_mortem[1]>(3)test_function() |
| 406 | -> test_function_2() |
| 407 | (Pdb) next |
| 408 | Exception! |
| 409 | ZeroDivisionError: division by zero |
| 410 | > <doctest test.test_pdb.test_post_mortem[1]>(3)test_function() |
| 411 | -> test_function_2() |
| 412 | (Pdb) bt |
| 413 | ... |
| 414 | <doctest test.test_pdb.test_post_mortem[2]>(10)<module>() |
| 415 | -> test_function() |
| 416 | > <doctest test.test_pdb.test_post_mortem[1]>(3)test_function() |
| 417 | -> test_function_2() |
| 418 | <doctest test.test_pdb.test_post_mortem[0]>(3)test_function_2() |
| 419 | -> 1/0 |
| 420 | (Pdb) list |
| 421 | 1 def test_function(): |
Georg Brandl | 34748cd | 2010-12-04 17:11:36 +0000 | [diff] [blame] | 422 | 2 import pdb; pdb.Pdb(nosigint=True).set_trace() |
Georg Brandl | 0a9c3e9 | 2010-07-30 18:46:38 +0000 | [diff] [blame] | 423 | 3 -> test_function_2() |
| 424 | 4 print('Not reached.') |
| 425 | [EOF] |
| 426 | (Pdb) down |
| 427 | > <doctest test.test_pdb.test_post_mortem[0]>(3)test_function_2() |
| 428 | -> 1/0 |
| 429 | (Pdb) list |
| 430 | 1 def test_function_2(): |
| 431 | 2 try: |
| 432 | 3 >> 1/0 |
| 433 | 4 finally: |
| 434 | 5 -> print('Exception!') |
| 435 | [EOF] |
| 436 | (Pdb) continue |
| 437 | Correctly reraised. |
| 438 | """ |
| 439 | |
| 440 | |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 441 | def test_pdb_skip_modules(): |
| 442 | """This illustrates the simple case of module skipping. |
| 443 | |
| 444 | >>> def skip_module(): |
| 445 | ... import string |
Georg Brandl | 34748cd | 2010-12-04 17:11:36 +0000 | [diff] [blame] | 446 | ... import pdb; pdb.Pdb(skip=['stri*'], nosigint=True).set_trace() |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 447 | ... string.capwords('FOO') |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 448 | |
Georg Brandl | 9fa2e02 | 2009-09-16 16:40:45 +0000 | [diff] [blame] | 449 | >>> with PdbTestInput([ |
| 450 | ... 'step', |
| 451 | ... 'continue', |
| 452 | ... ]): |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 453 | ... skip_module() |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 454 | > <doctest test.test_pdb.test_pdb_skip_modules[0]>(4)skip_module() |
| 455 | -> string.capwords('FOO') |
| 456 | (Pdb) step |
| 457 | --Return-- |
| 458 | > <doctest test.test_pdb.test_pdb_skip_modules[0]>(4)skip_module()->None |
| 459 | -> string.capwords('FOO') |
| 460 | (Pdb) continue |
Georg Brandl | 9fa2e02 | 2009-09-16 16:40:45 +0000 | [diff] [blame] | 461 | """ |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 462 | |
| 463 | |
| 464 | # Module for testing skipping of module that makes a callback |
| 465 | mod = imp.new_module('module_to_skip') |
| 466 | exec('def foo_pony(callback): x = 1; callback(); return None', mod.__dict__) |
| 467 | |
| 468 | |
| 469 | def test_pdb_skip_modules_with_callback(): |
| 470 | """This illustrates skipping of modules that call into other code. |
| 471 | |
| 472 | >>> def skip_module(): |
| 473 | ... def callback(): |
| 474 | ... return None |
Georg Brandl | 34748cd | 2010-12-04 17:11:36 +0000 | [diff] [blame] | 475 | ... import pdb; pdb.Pdb(skip=['module_to_skip*'], nosigint=True).set_trace() |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 476 | ... mod.foo_pony(callback) |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 477 | |
Georg Brandl | 9fa2e02 | 2009-09-16 16:40:45 +0000 | [diff] [blame] | 478 | >>> with PdbTestInput([ |
| 479 | ... 'step', |
| 480 | ... 'step', |
| 481 | ... 'step', |
| 482 | ... 'step', |
| 483 | ... 'step', |
| 484 | ... 'continue', |
| 485 | ... ]): |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 486 | ... skip_module() |
Georg Brandl | 9fa2e02 | 2009-09-16 16:40:45 +0000 | [diff] [blame] | 487 | ... pass # provides something to "step" to |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 488 | > <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(5)skip_module() |
| 489 | -> mod.foo_pony(callback) |
| 490 | (Pdb) step |
| 491 | --Call-- |
| 492 | > <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(2)callback() |
| 493 | -> def callback(): |
| 494 | (Pdb) step |
| 495 | > <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(3)callback() |
| 496 | -> return None |
| 497 | (Pdb) step |
| 498 | --Return-- |
| 499 | > <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(3)callback()->None |
| 500 | -> return None |
| 501 | (Pdb) step |
| 502 | --Return-- |
| 503 | > <doctest test.test_pdb.test_pdb_skip_modules_with_callback[0]>(5)skip_module()->None |
| 504 | -> mod.foo_pony(callback) |
| 505 | (Pdb) step |
Georg Brandl | 9fa2e02 | 2009-09-16 16:40:45 +0000 | [diff] [blame] | 506 | > <doctest test.test_pdb.test_pdb_skip_modules_with_callback[1]>(10)<module>() |
| 507 | -> pass # provides something to "step" to |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 508 | (Pdb) continue |
Georg Brandl | 9fa2e02 | 2009-09-16 16:40:45 +0000 | [diff] [blame] | 509 | """ |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 510 | |
| 511 | |
Georg Brandl | 3f94089 | 2010-07-30 10:29:19 +0000 | [diff] [blame] | 512 | def test_pdb_continue_in_bottomframe(): |
| 513 | """Test that "continue" and "next" work properly in bottom frame (issue #5294). |
| 514 | |
| 515 | >>> def test_function(): |
Georg Brandl | 34748cd | 2010-12-04 17:11:36 +0000 | [diff] [blame] | 516 | ... import pdb, sys; inst = pdb.Pdb(nosigint=True) |
Georg Brandl | 3f94089 | 2010-07-30 10:29:19 +0000 | [diff] [blame] | 517 | ... inst.set_trace() |
| 518 | ... inst.botframe = sys._getframe() # hackery to get the right botframe |
| 519 | ... print(1) |
| 520 | ... print(2) |
| 521 | ... print(3) |
| 522 | ... print(4) |
| 523 | |
Georg Brandl | 7410dd1 | 2010-07-30 12:01:20 +0000 | [diff] [blame] | 524 | >>> with PdbTestInput([ # doctest: +ELLIPSIS |
Georg Brandl | 3f94089 | 2010-07-30 10:29:19 +0000 | [diff] [blame] | 525 | ... 'next', |
| 526 | ... 'break 7', |
| 527 | ... 'continue', |
| 528 | ... 'next', |
| 529 | ... 'continue', |
| 530 | ... 'continue', |
| 531 | ... ]): |
| 532 | ... test_function() |
| 533 | > <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(4)test_function() |
| 534 | -> inst.botframe = sys._getframe() # hackery to get the right botframe |
| 535 | (Pdb) next |
| 536 | > <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(5)test_function() |
| 537 | -> print(1) |
| 538 | (Pdb) break 7 |
Georg Brandl | 7410dd1 | 2010-07-30 12:01:20 +0000 | [diff] [blame] | 539 | Breakpoint ... at <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>:7 |
Georg Brandl | 3f94089 | 2010-07-30 10:29:19 +0000 | [diff] [blame] | 540 | (Pdb) continue |
| 541 | 1 |
| 542 | 2 |
| 543 | > <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(7)test_function() |
| 544 | -> print(3) |
| 545 | (Pdb) next |
| 546 | 3 |
| 547 | > <doctest test.test_pdb.test_pdb_continue_in_bottomframe[0]>(8)test_function() |
| 548 | -> print(4) |
| 549 | (Pdb) continue |
| 550 | 4 |
| 551 | """ |
| 552 | |
| 553 | |
Georg Brandl | 46b9afc | 2010-07-30 09:14:20 +0000 | [diff] [blame] | 554 | def pdb_invoke(method, arg): |
| 555 | """Run pdb.method(arg).""" |
Georg Brandl | 34748cd | 2010-12-04 17:11:36 +0000 | [diff] [blame] | 556 | import pdb |
| 557 | getattr(pdb.Pdb(nosigint=True), method)(arg) |
Georg Brandl | 46b9afc | 2010-07-30 09:14:20 +0000 | [diff] [blame] | 558 | |
| 559 | |
| 560 | def test_pdb_run_with_incorrect_argument(): |
| 561 | """Testing run and runeval with incorrect first argument. |
| 562 | |
| 563 | >>> pti = PdbTestInput(['continue',]) |
| 564 | >>> with pti: |
| 565 | ... pdb_invoke('run', lambda x: x) |
| 566 | Traceback (most recent call last): |
| 567 | TypeError: exec() arg 1 must be a string, bytes or code object |
| 568 | |
| 569 | >>> with pti: |
| 570 | ... pdb_invoke('runeval', lambda x: x) |
| 571 | Traceback (most recent call last): |
| 572 | TypeError: eval() arg 1 must be a string, bytes or code object |
| 573 | """ |
| 574 | |
| 575 | |
| 576 | def test_pdb_run_with_code_object(): |
| 577 | """Testing run and runeval with code object as a first argument. |
| 578 | |
Georg Brandl | e1e8df1 | 2010-07-31 08:14:16 +0000 | [diff] [blame] | 579 | >>> with PdbTestInput(['step','x', 'continue']): # doctest: +ELLIPSIS |
Georg Brandl | 46b9afc | 2010-07-30 09:14:20 +0000 | [diff] [blame] | 580 | ... pdb_invoke('run', compile('x=1', '<string>', 'exec')) |
Georg Brandl | e1e8df1 | 2010-07-31 08:14:16 +0000 | [diff] [blame] | 581 | > <string>(1)<module>()... |
Georg Brandl | 46b9afc | 2010-07-30 09:14:20 +0000 | [diff] [blame] | 582 | (Pdb) step |
| 583 | --Return-- |
| 584 | > <string>(1)<module>()->None |
| 585 | (Pdb) x |
| 586 | 1 |
| 587 | (Pdb) continue |
| 588 | |
| 589 | >>> with PdbTestInput(['x', 'continue']): |
| 590 | ... x=0 |
| 591 | ... pdb_invoke('runeval', compile('x+1', '<string>', 'eval')) |
| 592 | > <string>(1)<module>()->None |
| 593 | (Pdb) x |
| 594 | 1 |
| 595 | (Pdb) continue |
| 596 | """ |
| 597 | |
| 598 | |
Georg Brandl | 6cccb86 | 2010-07-30 14:16:43 +0000 | [diff] [blame] | 599 | class PdbTestCase(unittest.TestCase): |
| 600 | |
| 601 | def test_issue7964(self): |
| 602 | # open the file as binary so we can force \r\n newline |
| 603 | with open(support.TESTFN, 'wb') as f: |
| 604 | f.write(b'print("testing my pdb")\r\n') |
| 605 | cmd = [sys.executable, '-m', 'pdb', support.TESTFN] |
| 606 | proc = subprocess.Popen(cmd, |
| 607 | stdout=subprocess.PIPE, |
| 608 | stdin=subprocess.PIPE, |
| 609 | stderr=subprocess.STDOUT, |
| 610 | ) |
Brian Curtin | 994ad6c | 2010-11-05 15:38:47 +0000 | [diff] [blame] | 611 | self.addCleanup(proc.stdout.close) |
Georg Brandl | 6cccb86 | 2010-07-30 14:16:43 +0000 | [diff] [blame] | 612 | stdout, stderr = proc.communicate(b'quit\n') |
| 613 | self.assertNotIn(b'SyntaxError', stdout, |
| 614 | "Got a syntax error running test script under PDB") |
| 615 | |
| 616 | def tearDown(self): |
| 617 | support.unlink(support.TESTFN) |
| 618 | |
| 619 | |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 620 | def test_main(): |
| 621 | from test import test_pdb |
| 622 | support.run_doctest(test_pdb, verbosity=True) |
Georg Brandl | 6cccb86 | 2010-07-30 14:16:43 +0000 | [diff] [blame] | 623 | support.run_unittest(PdbTestCase) |
Georg Brandl | 243ad66 | 2009-05-05 09:00:19 +0000 | [diff] [blame] | 624 | |
| 625 | |
| 626 | if __name__ == '__main__': |
| 627 | test_main() |