Mercurial > ~astiob > upreckon > hgweb
annotate testcases.py @ 107:6589511f5418
Fixed mishandling of some variables in multi-problem legacy configurations
author | Oleg Oshmyan <chortos@inbox.lv> |
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date | Fri, 08 Apr 2011 19:22:19 +0300 |
parents | aa0378ea1f93 |
children | 218b8c28549c |
rev | line source |
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1 # Copyright (c) 2010-2011 Chortos-2 <chortos@inbox.lv> |
16 | 2 |
43 | 3 # TODO: copy the ansfile if not options.erase even if no validator is used |
4 | |
21 | 5 from __future__ import division, with_statement |
6 | |
91 | 7 from compat import * |
8 import files, problem, config | |
9 from __main__ import options | |
21 | 10 |
11 import glob, re, sys, tempfile, time | |
12 from subprocess import Popen, PIPE, STDOUT | |
13 | |
14 import os | |
15 devnull = open(os.path.devnull, 'w+') | |
16 | |
85
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17 if options.autotime: |
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18 # This is really a dirty hack that assumes that sleep() does not spend |
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19 # the CPU time of the current process and that if clock() measures |
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20 # wall-clock time, then it is more precise than time() is. Both these |
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21 # assumptions are true on all platforms I have tested this on so far, |
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22 # but I am not aware of any guarantee that they will both be true |
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23 # on every other platform. |
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24 c = time.clock() |
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25 time.sleep(1) |
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26 c = time.clock() - c |
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27 if int(c + .5) == 1: |
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28 clock = time.clock |
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29 else: |
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30 clock = time.time |
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31 |
21 | 32 try: |
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33 from win32 import * |
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34 except Exception: |
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35 from unix import * |
22 | 36 |
21 | 37 __all__ = ('TestCase', 'load_problem', 'TestCaseNotPassed', |
22 | 38 'TimeLimitExceeded', 'CanceledByUser', 'WrongAnswer', |
39 'NonZeroExitCode', 'CannotStartTestee', | |
40 'CannotStartValidator', 'CannotReadOutputFile', | |
81
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41 'CannotReadInputFile', 'CannotReadAnswerFile', |
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42 'MemoryLimitExceeded', 'CPUTimeLimitExceeded', |
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43 'WallTimeLimitExceeded') |
21 | 44 |
45 | |
46 | |
47 # Exceptions | |
48 | |
49 class TestCaseNotPassed(Exception): __slots__ = () | |
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50 class TestCaseSkipped(TestCaseNotPassed): __slots__ = () |
21 | 51 class TimeLimitExceeded(TestCaseNotPassed): __slots__ = () |
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52 class CPUTimeLimitExceeded(TimeLimitExceeded): __slots__ = () |
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53 class WallTimeLimitExceeded(TimeLimitExceeded): __slots__ = () |
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54 class MemoryLimitExceeded(TestCaseNotPassed): __slots__ = () |
22 | 55 class CanceledByUser(TestCaseNotPassed): __slots__ = () |
21 | 56 |
57 class WrongAnswer(TestCaseNotPassed): | |
58 __slots__ = 'comment' | |
59 def __init__(self, comment=''): | |
60 self.comment = comment | |
61 | |
62 class NonZeroExitCode(TestCaseNotPassed): | |
63 __slots__ = 'exitcode' | |
64 def __init__(self, exitcode): | |
65 self.exitcode = exitcode | |
66 | |
67 class ExceptionWrapper(TestCaseNotPassed): | |
68 __slots__ = 'upstream' | |
69 def __init__(self, upstream): | |
70 self.upstream = upstream | |
71 | |
72 class CannotStartTestee(ExceptionWrapper): __slots__ = () | |
73 class CannotStartValidator(ExceptionWrapper): __slots__ = () | |
74 class CannotReadOutputFile(ExceptionWrapper): __slots__ = () | |
75 class CannotReadInputFile(ExceptionWrapper): __slots__ = () | |
76 class CannotReadAnswerFile(ExceptionWrapper): __slots__ = () | |
77 | |
78 | |
79 | |
22 | 80 # Helper context managers |
81 | |
82 class CopyDeleting(object): | |
83 __slots__ = 'case', 'file', 'name' | |
84 | |
85 def __init__(self, case, file, name): | |
86 self.case = case | |
87 self.file = file | |
88 self.name = name | |
89 | |
90 def __enter__(self): | |
91 if self.name: | |
92 try: | |
93 self.file.copy(self.name) | |
94 except: | |
95 try: | |
96 self.__exit__(None, None, None) | |
97 except: | |
98 pass | |
99 raise | |
100 | |
101 def __exit__(self, exc_type, exc_val, exc_tb): | |
102 if self.name: | |
103 self.case.files_to_delete.append(self.name) | |
104 | |
105 | |
106 class Copying(object): | |
107 __slots__ = 'file', 'name' | |
108 | |
109 def __init__(self, file, name): | |
110 self.file = file | |
111 self.name = name | |
112 | |
113 def __enter__(self): | |
114 if self.name: | |
115 self.file.copy(self.name) | |
116 | |
117 def __exit__(self, exc_type, exc_val, exc_tb): | |
118 pass | |
119 | |
120 | |
121 | |
21 | 122 # Test case types |
16 | 123 |
124 class TestCase(object): | |
21 | 125 __slots__ = ('problem', 'id', 'isdummy', 'infile', 'outfile', 'points', |
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126 'process', 'time_started', 'time_stopped', |
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127 'realinname', 'realoutname', 'maxcputime', 'maxwalltime', |
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128 'maxmemory', 'has_called_back', 'files_to_delete', |
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129 'cpu_time_limit_string', 'wall_time_limit_string', |
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130 'time_limit_string') |
106
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131 has_ansfile = has_iofiles = False |
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132 needs_realinname = True |
21 | 133 |
134 if ABCMeta: | |
135 __metaclass__ = ABCMeta | |
16 | 136 |
21 | 137 def __init__(case, prob, id, isdummy, points): |
16 | 138 case.problem = prob |
21 | 139 case.id = id |
140 case.isdummy = isdummy | |
141 case.points = points | |
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142 case.maxcputime = case.problem.config.maxcputime |
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143 case.maxwalltime = case.problem.config.maxwalltime |
21 | 144 case.maxmemory = case.problem.config.maxmemory |
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145 if case.maxcputime: |
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146 case.cpu_time_limit_string = '/%.3f' % case.maxcputime |
21 | 147 else: |
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148 case.cpu_time_limit_string = '' |
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149 if case.maxwalltime: |
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150 case.wall_time_limit_string = '/%.3f' % case.maxwalltime |
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151 else: |
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152 case.wall_time_limit_string = '' |
21 | 153 if not isdummy: |
104
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154 if case.needs_realinname: |
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155 case.realinname = case.problem.config.testcaseinname |
21 | 156 case.realoutname = case.problem.config.testcaseoutname |
157 else: | |
104
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158 if case.needs_realinname: |
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159 case.realinname = case.problem.config.dummyinname |
21 | 160 case.realoutname = case.problem.config.dummyoutname |
161 | |
162 @abstractmethod | |
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163 def test(case): |
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164 raise NotImplementedError |
16 | 165 |
22 | 166 def __call__(case, callback): |
167 case.has_called_back = False | |
168 case.files_to_delete = [] | |
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169 case.time_limit_string = case.wall_time_limit_string |
21 | 170 try: |
22 | 171 return case.test(callback) |
21 | 172 finally: |
22 | 173 now = clock() |
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174 if getattr(case, 'time_started', None) is None: |
22 | 175 case.time_started = case.time_stopped = now |
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176 elif getattr(case, 'time_stopped', None) is None: |
22 | 177 case.time_stopped = now |
178 if not case.has_called_back: | |
179 callback() | |
21 | 180 case.cleanup() |
181 | |
182 def cleanup(case): | |
183 #if getattr(case, 'infile', None): | |
184 # case.infile.close() | |
185 #if getattr(case, 'outfile', None): | |
186 # case.outfile.close() | |
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187 if getattr(case, 'process', None) and case.process.returncode is None: |
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188 # Try KILLing after three unsuccessful TERM attempts in a row |
21 | 189 for i in range(3): |
190 try: | |
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191 terminate(case.process) |
21 | 192 except Exception: |
193 time.sleep(0) | |
194 case.process.poll() | |
195 else: | |
22 | 196 case.process.wait() |
21 | 197 break |
198 else: | |
199 # If killing the process is unsuccessful three times in a row, | |
200 # just silently stop trying | |
201 for i in range(3): | |
202 try: | |
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203 kill(case.process) |
21 | 204 except Exception: |
205 time.sleep(0) | |
206 case.process.poll() | |
207 else: | |
22 | 208 case.process.wait() |
21 | 209 break |
22 | 210 if case.files_to_delete: |
211 for name in case.files_to_delete: | |
212 try: | |
213 os.remove(name) | |
214 except Exception: | |
215 # It can't be helped | |
216 pass | |
21 | 217 |
218 def open_infile(case): | |
219 try: | |
220 case.infile = files.File('/'.join((case.problem.name, case.realinname.replace('$', case.id)))) | |
221 except IOError: | |
222 e = sys.exc_info()[1] | |
223 raise CannotReadInputFile(e) | |
224 | |
225 def open_outfile(case): | |
226 try: | |
227 case.outfile = files.File('/'.join((case.problem.name, case.realoutname.replace('$', case.id)))) | |
228 except IOError: | |
229 e = sys.exc_info()[1] | |
230 raise CannotReadAnswerFile(e) | |
231 | |
16 | 232 |
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233 class SkippedTestCase(TestCase): |
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234 __slots__ = () |
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235 |
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236 def test(case, callback): |
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237 raise TestCaseSkipped |
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238 |
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239 |
21 | 240 class ValidatedTestCase(TestCase): |
241 __slots__ = 'validator' | |
242 | |
243 def __init__(case, *args): | |
244 TestCase.__init__(case, *args) | |
245 if not case.problem.config.tester: | |
246 case.validator = None | |
247 else: | |
248 case.validator = case.problem.config.tester | |
249 | |
250 def validate(case, output): | |
251 if not case.validator: | |
252 # Compare the output with the reference output | |
253 case.open_outfile() | |
254 with case.outfile.open() as refoutput: | |
25
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255 for line, refline in zip_longest(output, refoutput): |
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256 if refline is not None and not isinstance(refline, basestring): |
21 | 257 line = bytes(line, sys.getdefaultencoding()) |
258 if line != refline: | |
22 | 259 raise WrongAnswer |
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260 return 1 |
21 | 261 elif callable(case.validator): |
262 return case.validator(output) | |
263 else: | |
264 # Call the validator program | |
265 output.close() | |
23 | 266 if case.problem.config.ansname: |
267 case.open_outfile() | |
268 case.outfile.copy(case.problem.config.ansname) | |
25
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269 try: |
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270 case.process = Popen(case.validator, stdin=devnull, stdout=PIPE, stderr=STDOUT, universal_newlines=True, bufsize=-1) |
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271 except OSError: |
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272 raise CannotStartValidator(sys.exc_info()[1]) |
21 | 273 comment = case.process.communicate()[0].strip() |
26 | 274 match = re.match(r'(?i)(ok|(?:correct|wrong)(?:(?:\s|_)*answer)?)(?:$|\s+|[.,!:]+\s*)', comment) |
21 | 275 if match: |
276 comment = comment[match.end():] | |
277 if not case.problem.config.maxexitcode: | |
278 if case.process.returncode: | |
279 raise WrongAnswer(comment) | |
280 else: | |
24
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281 return 1, comment |
21 | 282 else: |
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283 return case.process.returncode / case.problem.config.maxexitcode, comment |
21 | 284 |
285 | |
286 class BatchTestCase(ValidatedTestCase): | |
287 __slots__ = () | |
288 | |
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289 @property |
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290 def has_iofiles(case): |
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291 return (not case.problem.config.stdio or |
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292 case.validator and not callable(case.validator)) |
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293 |
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294 @property |
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295 def has_ansfile(case): |
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296 return case.validator and not callable(case.validator) |
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297 |
22 | 298 def test(case, callback): |
21 | 299 case.open_infile() |
300 if case.problem.config.stdio: | |
54 | 301 if options.erase and not case.validator or not case.problem.config.inname: |
22 | 302 # TODO: re-use the same file name if possible |
21 | 303 # FIXME: 2.5 lacks the delete parameter |
304 with tempfile.NamedTemporaryFile(delete=False) as f: | |
22 | 305 inputdatafname = f.name |
25
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306 contextmgr = CopyDeleting(case, case.infile, inputdatafname) |
21 | 307 else: |
308 inputdatafname = case.problem.config.inname | |
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309 contextmgr = Copying(case.infile, inputdatafname) |
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310 with contextmgr: |
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311 with open(inputdatafname) as infile: |
83 | 312 with tempfile.TemporaryFile('w+') if options.erase and (not case.validator or callable(case.validator)) else open(case.problem.config.outname, 'w+') as outfile: |
82
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313 call(case.problem.config.path, case=case, stdin=infile, stdout=outfile, stderr=devnull, universal_newlines=True, bufsize=-1) |
62
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314 if config.globalconf.force_zero_exitcode and case.process.returncode or case.process.returncode < 0: |
22 | 315 raise NonZeroExitCode(case.process.returncode) |
103
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316 case.has_called_back = True |
22 | 317 callback() |
318 outfile.seek(0) | |
319 return case.validate(outfile) | |
21 | 320 else: |
22 | 321 case.infile.copy(case.problem.config.inname) |
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322 call(case.problem.config.path, case=case, stdin=devnull, stdout=devnull, stderr=STDOUT) |
62
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323 if config.globalconf.force_zero_exitcode and case.process.returncode or case.process.returncode < 0: |
21 | 324 raise NonZeroExitCode(case.process.returncode) |
103
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325 case.has_called_back = True |
22 | 326 callback() |
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327 try: |
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328 output = open(case.problem.config.outname, 'rU') |
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329 except IOError: |
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330 raise CannotReadOutputFile(sys.exc_info()[1]) |
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331 with output as output: |
21 | 332 return case.validate(output) |
333 | |
334 | |
335 # This is the only test case type not executing any programs to be tested | |
336 class OutputOnlyTestCase(ValidatedTestCase): | |
337 __slots__ = () | |
104
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338 needs_realinname = False |
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339 |
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340 def cleanup(case): |
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341 pass |
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342 |
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343 def test(case, callback): |
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344 case.time_stopped = case.time_started = 0 |
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345 case.has_called_back = True |
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346 callback() |
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347 try: |
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348 output = open(case.problem.config.outname.replace('$', case.id), 'rU') |
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349 except IOError: |
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350 raise CannotReadOutputFile(sys.exc_info()[1]) |
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351 with output as output: |
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352 return case.validate(output) |
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353 |
21 | 354 |
355 class BestOutputTestCase(ValidatedTestCase): | |
356 __slots__ = () | |
357 | |
104
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358 |
21 | 359 # This is the only test case type executing two programs simultaneously |
360 class ReactiveTestCase(TestCase): | |
361 __slots__ = () | |
362 # The basic idea is to launch the program to be tested and the grader | |
363 # and to pipe their standard I/O from and to each other, | |
364 # and then to capture the grader's exit code and use it | |
26 | 365 # like the exit code of an output validator is used. |
21 | 366 |
367 | |
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368 class DummyTestContext(problem.TestGroup): |
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369 __slots__ = () |
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370 def end(self): |
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371 say('Sample total: %d/%d tests' % (self.ncorrect, self.ntotal)) |
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372 return 0, 0, self.log |
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373 |
21 | 374 def load_problem(prob, _types={'batch' : BatchTestCase, |
375 'outonly' : OutputOnlyTestCase, | |
376 'bestout' : BestOutputTestCase, | |
377 'reactive': ReactiveTestCase}): | |
39
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378 # We will need to iterate over these configuration variables twice |
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379 try: |
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380 len(prob.config.dummies) |
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381 except Exception: |
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382 prob.config.dummies = tuple(prob.config.dummies) |
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383 try: |
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384 len(prob.config.tests) |
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385 except Exception: |
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386 prob.config.tests = tuple(prob.config.tests) |
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387 |
23 | 388 if options.legacy: |
389 prob.config.usegroups = False | |
58 | 390 newtests = [] |
23 | 391 for i, name in enumerate(prob.config.tests): |
39
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392 # Same here; we'll need to iterate over them twice |
23 | 393 try: |
39
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394 l = len(name) |
23 | 395 except Exception: |
396 try: | |
39
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397 name = tuple(name) |
23 | 398 except TypeError: |
39
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399 name = (name,) |
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400 l = len(name) |
58 | 401 if l > 1: |
39
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402 prob.config.usegroups = True |
58 | 403 newtests.append(name) |
404 if prob.config.usegroups: | |
405 prob.config.tests = newtests | |
406 del newtests | |
39
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407 |
76
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408 # Even if they have duplicate test identifiers, we must honour sequence pointmaps |
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409 if isinstance(prob.config.pointmap, dict): |
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410 def getpoints(i, j, k=None): |
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411 try: |
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412 return prob.config.pointmap[i] |
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413 except KeyError: |
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414 try: |
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415 return prob.config.pointmap[None] |
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416 except KeyError: |
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417 return prob.config.maxexitcode or 1 |
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418 elif prob.config.usegroups: |
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419 def getpoints(i, j, k): |
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420 try: |
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421 return prob.config.pointmap[k][j] |
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422 except LookupError: |
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423 return prob.config.maxexitcode or 1 |
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424 else: |
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425 def getpoints(i, j): |
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426 try: |
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427 return prob.config.pointmap[j] |
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428 except LookupError: |
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429 return prob.config.maxexitcode or 1 |
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430 |
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431 # First get prob.cache.padoutput right, |
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432 # then yield the actual test cases |
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433 for i in prob.config.dummies: |
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434 s = 'sample ' + str(i).zfill(prob.config.paddummies) |
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435 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) |
16 | 436 if prob.config.usegroups: |
76
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437 if not isinstance(prob.config.groupweight, dict): |
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438 prob.config.groupweight = dict(enumerate(prob.config.groupweight)) |
39
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439 for group in prob.config.tests: |
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440 for i in group: |
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441 s = str(i).zfill(prob.config.padtests) |
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442 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) |
89
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443 if prob.config.dummies: |
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444 yield DummyTestContext() |
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445 for i in prob.config.dummies: |
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446 s = str(i).zfill(prob.config.paddummies) |
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447 if (yield _types[prob.config.kind](prob, s, True, 0)): |
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448 yield |
89
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449 yield problem.test_context_end |
76
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450 for k, group in enumerate(prob.config.tests): |
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451 if not group: |
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452 continue |
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453 yield problem.TestGroup(prob.config.groupweight.get(k, prob.config.groupweight.get(None))) |
90
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changeset
|
454 case_type = _types[prob.config.kind] |
76
0e5ae28e0b2b
Points are now weighted on a test context basis
Oleg Oshmyan <chortos@inbox.lv>
parents:
72
diff
changeset
|
455 for j, i in enumerate(group): |
39
2b459f9743b4
Test groups are now supported
Oleg Oshmyan <chortos@inbox.lv>
parents:
27
diff
changeset
|
456 s = str(i).zfill(prob.config.padtests) |
90
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
457 if not (yield case_type(prob, s, False, getpoints(i, j, k))): |
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
458 if options.skim: |
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
459 case_type = SkippedTestCase |
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
460 else: |
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
461 yield |
39
2b459f9743b4
Test groups are now supported
Oleg Oshmyan <chortos@inbox.lv>
parents:
27
diff
changeset
|
462 yield problem.test_context_end |
16 | 463 else: |
464 for i in prob.config.tests: | |
21 | 465 s = str(i).zfill(prob.config.padtests) |
466 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) | |
467 for i in prob.config.dummies: | |
468 s = str(i).zfill(prob.config.paddummies) | |
99
9b41934b2e95
Fixed a major regression introduced in changeset 1fb319ec33af
Oleg Oshmyan <chortos@inbox.lv>
parents:
91
diff
changeset
|
469 if (yield _types[prob.config.kind](prob, s, True, 0)): |
9b41934b2e95
Fixed a major regression introduced in changeset 1fb319ec33af
Oleg Oshmyan <chortos@inbox.lv>
parents:
91
diff
changeset
|
470 yield |
76
0e5ae28e0b2b
Points are now weighted on a test context basis
Oleg Oshmyan <chortos@inbox.lv>
parents:
72
diff
changeset
|
471 for j, i in enumerate(prob.config.tests): |
21 | 472 s = str(i).zfill(prob.config.padtests) |
99
9b41934b2e95
Fixed a major regression introduced in changeset 1fb319ec33af
Oleg Oshmyan <chortos@inbox.lv>
parents:
91
diff
changeset
|
473 if (yield _types[prob.config.kind](prob, s, False, getpoints(i, j))): |
9b41934b2e95
Fixed a major regression introduced in changeset 1fb319ec33af
Oleg Oshmyan <chortos@inbox.lv>
parents:
91
diff
changeset
|
474 yield |