Mercurial > ~astiob > upreckon > hgweb
annotate testcases.py @ 145:d2c266c8d820
Output-only problems no longer print times
author | Oleg Oshmyan <chortos@inbox.lv> |
---|---|
date | Fri, 27 May 2011 22:39:46 +0100 |
parents | ed4035661b85 |
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rev | line source |
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77
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Memory limit is now applied to the RSS when os.wait4 is available
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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 |
108
218b8c28549c
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32 class DummySignalIgnorer(object): |
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33 def __enter__(self): pass |
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34 def __exit__(self, exc_type, exc_value, traceback): pass |
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35 signal_ignorer = DummySignalIgnorer() |
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36 |
136
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37 # win32 and unix are imported a bit later |
22 | 38 |
21 | 39 __all__ = ('TestCase', 'load_problem', 'TestCaseNotPassed', |
22 | 40 'TimeLimitExceeded', 'CanceledByUser', 'WrongAnswer', |
41 'NonZeroExitCode', 'CannotStartTestee', | |
42 'CannotStartValidator', 'CannotReadOutputFile', | |
81
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43 'CannotReadInputFile', 'CannotReadAnswerFile', |
82
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44 'MemoryLimitExceeded', 'CPUTimeLimitExceeded', |
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45 'WallTimeLimitExceeded') |
21 | 46 |
47 | |
48 | |
49 # Exceptions | |
50 | |
51 class TestCaseNotPassed(Exception): __slots__ = () | |
90
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52 class TestCaseSkipped(TestCaseNotPassed): __slots__ = () |
21 | 53 class TimeLimitExceeded(TestCaseNotPassed): __slots__ = () |
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54 class CPUTimeLimitExceeded(TimeLimitExceeded): __slots__ = () |
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55 class WallTimeLimitExceeded(TimeLimitExceeded): __slots__ = () |
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56 class MemoryLimitExceeded(TestCaseNotPassed): __slots__ = () |
22 | 57 class CanceledByUser(TestCaseNotPassed): __slots__ = () |
21 | 58 |
59 class WrongAnswer(TestCaseNotPassed): | |
60 __slots__ = 'comment' | |
61 def __init__(self, comment=''): | |
62 self.comment = comment | |
63 | |
64 class NonZeroExitCode(TestCaseNotPassed): | |
65 __slots__ = 'exitcode' | |
66 def __init__(self, exitcode): | |
67 self.exitcode = exitcode | |
68 | |
69 class ExceptionWrapper(TestCaseNotPassed): | |
70 __slots__ = 'upstream' | |
71 def __init__(self, upstream): | |
72 self.upstream = upstream | |
73 | |
74 class CannotStartTestee(ExceptionWrapper): __slots__ = () | |
75 class CannotStartValidator(ExceptionWrapper): __slots__ = () | |
76 class CannotReadOutputFile(ExceptionWrapper): __slots__ = () | |
77 class CannotReadInputFile(ExceptionWrapper): __slots__ = () | |
78 class CannotReadAnswerFile(ExceptionWrapper): __slots__ = () | |
79 | |
136
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80 # Import platform-specific code now that exception classes are defined |
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81 try: |
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82 from win32 import * |
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83 except Exception: |
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84 from unix import * |
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85 |
21 | 86 |
87 | |
22 | 88 # Helper context managers |
89 | |
90 class CopyDeleting(object): | |
91 __slots__ = 'case', 'file', 'name' | |
92 | |
93 def __init__(self, case, file, name): | |
94 self.case = case | |
95 self.file = file | |
96 self.name = name | |
97 | |
98 def __enter__(self): | |
99 if self.name: | |
100 try: | |
101 self.file.copy(self.name) | |
102 except: | |
103 try: | |
104 self.__exit__(None, None, None) | |
105 except: | |
106 pass | |
107 raise | |
108 | |
109 def __exit__(self, exc_type, exc_val, exc_tb): | |
110 if self.name: | |
111 self.case.files_to_delete.append(self.name) | |
112 | |
113 | |
114 class Copying(object): | |
115 __slots__ = 'file', 'name' | |
116 | |
117 def __init__(self, file, name): | |
118 self.file = file | |
119 self.name = name | |
120 | |
121 def __enter__(self): | |
122 if self.name: | |
123 self.file.copy(self.name) | |
124 | |
125 def __exit__(self, exc_type, exc_val, exc_tb): | |
126 pass | |
127 | |
128 | |
129 | |
21 | 130 # Test case types |
16 | 131 |
132 class TestCase(object): | |
21 | 133 __slots__ = ('problem', 'id', 'isdummy', 'infile', 'outfile', 'points', |
82
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134 'process', 'time_started', 'time_stopped', |
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135 'realinname', 'realoutname', 'maxcputime', 'maxwalltime', |
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136 'maxmemory', 'has_called_back', 'files_to_delete', |
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137 'cpu_time_limit_string', 'wall_time_limit_string', |
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138 'time_limit_string') |
106
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139 has_ansfile = has_iofiles = False |
104
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140 needs_realinname = True |
21 | 141 |
142 if ABCMeta: | |
143 __metaclass__ = ABCMeta | |
16 | 144 |
21 | 145 def __init__(case, prob, id, isdummy, points): |
16 | 146 case.problem = prob |
21 | 147 case.id = id |
148 case.isdummy = isdummy | |
149 case.points = points | |
82
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150 case.maxcputime = case.problem.config.maxcputime |
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151 case.maxwalltime = case.problem.config.maxwalltime |
21 | 152 case.maxmemory = case.problem.config.maxmemory |
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153 if case.maxcputime: |
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154 case.cpu_time_limit_string = '/%.3f' % case.maxcputime |
21 | 155 else: |
82
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156 case.cpu_time_limit_string = '' |
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157 if case.maxwalltime: |
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158 case.wall_time_limit_string = '/%.3f' % case.maxwalltime |
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159 else: |
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160 case.wall_time_limit_string = '' |
21 | 161 if not isdummy: |
104
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162 if case.needs_realinname: |
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163 case.realinname = case.problem.config.testcaseinname |
21 | 164 case.realoutname = case.problem.config.testcaseoutname |
165 else: | |
104
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166 if case.needs_realinname: |
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167 case.realinname = case.problem.config.dummyinname |
21 | 168 case.realoutname = case.problem.config.dummyoutname |
169 | |
170 @abstractmethod | |
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171 def test(case): |
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172 raise NotImplementedError |
16 | 173 |
22 | 174 def __call__(case, callback): |
175 case.has_called_back = False | |
176 case.files_to_delete = [] | |
82
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177 case.time_limit_string = case.wall_time_limit_string |
21 | 178 try: |
22 | 179 return case.test(callback) |
21 | 180 finally: |
22 | 181 now = clock() |
82
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182 if getattr(case, 'time_started', None) is None: |
22 | 183 case.time_started = case.time_stopped = now |
82
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184 elif getattr(case, 'time_stopped', None) is None: |
22 | 185 case.time_stopped = now |
186 if not case.has_called_back: | |
187 callback() | |
21 | 188 case.cleanup() |
189 | |
190 def cleanup(case): | |
136
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191 # Note that native extensions clean up on their own |
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192 # and never let this condition be satisfied |
82
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193 if getattr(case, 'process', None) and case.process.returncode is None: |
134
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194 kill(case.process) |
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195 for name in case.files_to_delete: |
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196 try: |
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197 os.remove(name) |
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198 except OSError: |
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199 # It can't be helped |
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200 pass |
21 | 201 |
202 def open_infile(case): | |
203 try: | |
204 case.infile = files.File('/'.join((case.problem.name, case.realinname.replace('$', case.id)))) | |
205 except IOError: | |
206 e = sys.exc_info()[1] | |
207 raise CannotReadInputFile(e) | |
208 | |
209 def open_outfile(case): | |
210 try: | |
211 case.outfile = files.File('/'.join((case.problem.name, case.realoutname.replace('$', case.id)))) | |
212 except IOError: | |
213 e = sys.exc_info()[1] | |
214 raise CannotReadAnswerFile(e) | |
215 | |
16 | 216 |
90
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217 class SkippedTestCase(TestCase): |
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218 __slots__ = () |
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219 |
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220 def test(case, callback): |
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221 raise TestCaseSkipped |
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222 |
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223 |
21 | 224 class ValidatedTestCase(TestCase): |
225 __slots__ = 'validator' | |
226 | |
227 def __init__(case, *args): | |
228 TestCase.__init__(case, *args) | |
229 if not case.problem.config.tester: | |
230 case.validator = None | |
231 else: | |
232 case.validator = case.problem.config.tester | |
233 | |
234 def validate(case, output): | |
235 if not case.validator: | |
236 # Compare the output with the reference output | |
237 case.open_outfile() | |
238 with case.outfile.open() as refoutput: | |
25
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239 for line, refline in zip_longest(output, refoutput): |
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240 if refline is not None and not isinstance(refline, basestring): |
21 | 241 line = bytes(line, sys.getdefaultencoding()) |
242 if line != refline: | |
22 | 243 raise WrongAnswer |
24
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244 return 1 |
21 | 245 elif callable(case.validator): |
246 return case.validator(output) | |
247 else: | |
248 # Call the validator program | |
249 output.close() | |
23 | 250 if case.problem.config.ansname: |
251 case.open_outfile() | |
252 case.outfile.copy(case.problem.config.ansname) | |
25
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253 try: |
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254 case.process = Popen(case.validator, stdin=devnull, stdout=PIPE, stderr=STDOUT, universal_newlines=True, bufsize=-1) |
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255 except OSError: |
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256 raise CannotStartValidator(sys.exc_info()[1]) |
108
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257 with signal_ignorer: |
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258 comment = case.process.communicate()[0].strip() |
26 | 259 match = re.match(r'(?i)(ok|(?:correct|wrong)(?:(?:\s|_)*answer)?)(?:$|\s+|[.,!:]+\s*)', comment) |
21 | 260 if match: |
261 comment = comment[match.end():] | |
262 if not case.problem.config.maxexitcode: | |
263 if case.process.returncode: | |
264 raise WrongAnswer(comment) | |
265 else: | |
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266 return 1, comment |
21 | 267 else: |
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268 return case.process.returncode / case.problem.config.maxexitcode, comment |
21 | 269 |
270 | |
271 class BatchTestCase(ValidatedTestCase): | |
272 __slots__ = () | |
273 | |
90
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274 @property |
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275 def has_iofiles(case): |
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276 return (not case.problem.config.stdio or |
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277 case.validator and not callable(case.validator)) |
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278 |
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279 @property |
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280 def has_ansfile(case): |
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281 return case.validator and not callable(case.validator) |
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282 |
22 | 283 def test(case, callback): |
21 | 284 case.open_infile() |
285 if case.problem.config.stdio: | |
54 | 286 if options.erase and not case.validator or not case.problem.config.inname: |
22 | 287 # TODO: re-use the same file name if possible |
21 | 288 # FIXME: 2.5 lacks the delete parameter |
289 with tempfile.NamedTemporaryFile(delete=False) as f: | |
22 | 290 inputdatafname = f.name |
25
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291 contextmgr = CopyDeleting(case, case.infile, inputdatafname) |
21 | 292 else: |
293 inputdatafname = case.problem.config.inname | |
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294 contextmgr = Copying(case.infile, inputdatafname) |
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295 with contextmgr: |
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296 with open(inputdatafname) as infile: |
83 | 297 with tempfile.TemporaryFile('w+') if options.erase and (not case.validator or callable(case.validator)) else open(case.problem.config.outname, 'w+') as outfile: |
130
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298 call(case.problem.config.path, case=case, stdin=infile, stdout=outfile, stderr=devnull) |
62
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299 if config.globalconf.force_zero_exitcode and case.process.returncode or case.process.returncode < 0: |
22 | 300 raise NonZeroExitCode(case.process.returncode) |
103
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301 case.has_called_back = True |
22 | 302 callback() |
303 outfile.seek(0) | |
304 return case.validate(outfile) | |
21 | 305 else: |
22 | 306 case.infile.copy(case.problem.config.inname) |
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307 call(case.problem.config.path, case=case, stdin=devnull, stdout=devnull, stderr=STDOUT) |
62
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308 if config.globalconf.force_zero_exitcode and case.process.returncode or case.process.returncode < 0: |
21 | 309 raise NonZeroExitCode(case.process.returncode) |
103
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310 case.has_called_back = True |
22 | 311 callback() |
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312 try: |
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313 output = open(case.problem.config.outname, 'rU') |
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314 except IOError: |
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315 raise CannotReadOutputFile(sys.exc_info()[1]) |
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316 with output as output: |
21 | 317 return case.validate(output) |
318 | |
319 | |
320 # This is the only test case type not executing any programs to be tested | |
321 class OutputOnlyTestCase(ValidatedTestCase): | |
322 __slots__ = () | |
104
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323 needs_realinname = False |
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324 |
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325 def cleanup(case): |
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326 pass |
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327 |
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328 def test(case, callback): |
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329 case.time_stopped = case.time_started = 0 |
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330 case.has_called_back = True |
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331 callback() |
105
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332 try: |
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333 output = open(case.problem.config.outname.replace('$', case.id), 'rU') |
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334 except IOError: |
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335 raise CannotReadOutputFile(sys.exc_info()[1]) |
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336 with output as output: |
104
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337 return case.validate(output) |
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338 |
21 | 339 |
340 class BestOutputTestCase(ValidatedTestCase): | |
341 __slots__ = () | |
342 | |
104
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343 |
21 | 344 # This is the only test case type executing two programs simultaneously |
345 class ReactiveTestCase(TestCase): | |
346 __slots__ = () | |
347 # The basic idea is to launch the program to be tested and the grader | |
348 # and to pipe their standard I/O from and to each other, | |
349 # and then to capture the grader's exit code and use it | |
26 | 350 # like the exit code of an output validator is used. |
21 | 351 |
352 | |
71
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353 class DummyTestContext(problem.TestGroup): |
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354 __slots__ = () |
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355 def end(self): |
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356 say('Sample total: %d/%d tests' % (self.ncorrect, self.ntotal)) |
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357 return 0, 0, self.log |
71
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358 |
21 | 359 def load_problem(prob, _types={'batch' : BatchTestCase, |
360 'outonly' : OutputOnlyTestCase, | |
361 'bestout' : BestOutputTestCase, | |
362 'reactive': ReactiveTestCase}): | |
39
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363 # We will need to iterate over these configuration variables twice |
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364 try: |
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365 len(prob.config.dummies) |
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366 except Exception: |
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367 prob.config.dummies = tuple(prob.config.dummies) |
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368 try: |
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369 len(prob.config.tests) |
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370 except Exception: |
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371 prob.config.tests = tuple(prob.config.tests) |
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372 |
23 | 373 if options.legacy: |
374 prob.config.usegroups = False | |
58 | 375 newtests = [] |
23 | 376 for i, name in enumerate(prob.config.tests): |
39
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377 # Same here; we'll need to iterate over them twice |
23 | 378 try: |
39
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379 l = len(name) |
23 | 380 except Exception: |
381 try: | |
39
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382 name = tuple(name) |
23 | 383 except TypeError: |
39
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384 name = (name,) |
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385 l = len(name) |
58 | 386 if l > 1: |
39
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387 prob.config.usegroups = True |
58 | 388 newtests.append(name) |
389 if prob.config.usegroups: | |
390 prob.config.tests = newtests | |
391 del newtests | |
39
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392 |
76
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393 # Even if they have duplicate test identifiers, we must honour sequence pointmaps |
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394 if isinstance(prob.config.pointmap, dict): |
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395 def getpoints(i, j, k=None): |
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396 try: |
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397 return prob.config.pointmap[i] |
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398 except KeyError: |
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399 try: |
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400 return prob.config.pointmap[None] |
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401 except KeyError: |
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402 return prob.config.maxexitcode or 1 |
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403 elif prob.config.usegroups: |
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404 def getpoints(i, j, k): |
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405 try: |
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406 return prob.config.pointmap[k][j] |
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407 except LookupError: |
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408 return prob.config.maxexitcode or 1 |
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409 else: |
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410 def getpoints(i, j): |
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411 try: |
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412 return prob.config.pointmap[j] |
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413 except LookupError: |
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414 return prob.config.maxexitcode or 1 |
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415 |
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416 # First get prob.cache.padoutput right, |
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417 # then yield the actual test cases |
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418 for i in prob.config.dummies: |
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419 s = 'sample ' + str(i).zfill(prob.config.paddummies) |
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420 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) |
16 | 421 if prob.config.usegroups: |
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422 if not isinstance(prob.config.groupweight, dict): |
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423 prob.config.groupweight = dict(enumerate(prob.config.groupweight)) |
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424 for group in prob.config.tests: |
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425 for i in group: |
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426 s = str(i).zfill(prob.config.padtests) |
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427 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) |
89
3ae6cb69e4ef
Sample total is no longer printed if there are no samples
Oleg Oshmyan <chortos@inbox.lv>
parents:
88
diff
changeset
|
428 if prob.config.dummies: |
3ae6cb69e4ef
Sample total is no longer printed if there are no samples
Oleg Oshmyan <chortos@inbox.lv>
parents:
88
diff
changeset
|
429 yield DummyTestContext() |
3ae6cb69e4ef
Sample total is no longer printed if there are no samples
Oleg Oshmyan <chortos@inbox.lv>
parents:
88
diff
changeset
|
430 for i in prob.config.dummies: |
3ae6cb69e4ef
Sample total is no longer printed if there are no samples
Oleg Oshmyan <chortos@inbox.lv>
parents:
88
diff
changeset
|
431 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
|
432 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
|
433 yield |
89
3ae6cb69e4ef
Sample total is no longer printed if there are no samples
Oleg Oshmyan <chortos@inbox.lv>
parents:
88
diff
changeset
|
434 yield problem.test_context_end |
76
0e5ae28e0b2b
Points are now weighted on a test context basis
Oleg Oshmyan <chortos@inbox.lv>
parents:
72
diff
changeset
|
435 for k, group in enumerate(prob.config.tests): |
0e5ae28e0b2b
Points are now weighted on a test context basis
Oleg Oshmyan <chortos@inbox.lv>
parents:
72
diff
changeset
|
436 if not group: |
0e5ae28e0b2b
Points are now weighted on a test context basis
Oleg Oshmyan <chortos@inbox.lv>
parents:
72
diff
changeset
|
437 continue |
0e5ae28e0b2b
Points are now weighted on a test context basis
Oleg Oshmyan <chortos@inbox.lv>
parents:
72
diff
changeset
|
438 yield problem.TestGroup(prob.config.groupweight.get(k, prob.config.groupweight.get(None))) |
90
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
439 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
|
440 for j, i in enumerate(group): |
39
2b459f9743b4
Test groups are now supported
Oleg Oshmyan <chortos@inbox.lv>
parents:
27
diff
changeset
|
441 s = str(i).zfill(prob.config.padtests) |
90
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
442 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
|
443 if options.skim: |
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
444 case_type = SkippedTestCase |
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
445 else: |
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
446 yield |
39
2b459f9743b4
Test groups are now supported
Oleg Oshmyan <chortos@inbox.lv>
parents:
27
diff
changeset
|
447 yield problem.test_context_end |
16 | 448 else: |
449 for i in prob.config.tests: | |
21 | 450 s = str(i).zfill(prob.config.padtests) |
451 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) | |
452 for i in prob.config.dummies: | |
453 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
|
454 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
|
455 yield |
76
0e5ae28e0b2b
Points are now weighted on a test context basis
Oleg Oshmyan <chortos@inbox.lv>
parents:
72
diff
changeset
|
456 for j, i in enumerate(prob.config.tests): |
21 | 457 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
|
458 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
|
459 yield |