Mercurial > ~astiob > upreckon > hgweb
annotate testcases.py @ 105:9f922b11c98a
Absent output files no longer crash Upreckon
author | Oleg Oshmyan <chortos@inbox.lv> |
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date | Fri, 08 Apr 2011 17:45:53 +0300 |
parents | 8f46e84922f9 |
children | aa0378ea1f93 |
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 | |
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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', | |
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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') |
104
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131 needs_realinname = True |
21 | 132 |
133 if ABCMeta: | |
134 __metaclass__ = ABCMeta | |
16 | 135 |
21 | 136 def __init__(case, prob, id, isdummy, points): |
16 | 137 case.problem = prob |
21 | 138 case.id = id |
139 case.isdummy = isdummy | |
140 case.points = points | |
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141 case.maxcputime = case.problem.config.maxcputime |
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142 case.maxwalltime = case.problem.config.maxwalltime |
21 | 143 case.maxmemory = case.problem.config.maxmemory |
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144 if case.maxcputime: |
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145 case.cpu_time_limit_string = '/%.3f' % case.maxcputime |
21 | 146 else: |
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147 case.cpu_time_limit_string = '' |
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148 if case.maxwalltime: |
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149 case.wall_time_limit_string = '/%.3f' % case.maxwalltime |
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150 else: |
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151 case.wall_time_limit_string = '' |
21 | 152 if not isdummy: |
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153 if case.needs_realinname: |
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154 case.realinname = case.problem.config.testcaseinname |
21 | 155 case.realoutname = case.problem.config.testcaseoutname |
156 else: | |
104
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157 if case.needs_realinname: |
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158 case.realinname = case.problem.config.dummyinname |
21 | 159 case.realoutname = case.problem.config.dummyoutname |
160 | |
161 @abstractmethod | |
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162 def test(case): |
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163 raise NotImplementedError |
16 | 164 |
22 | 165 def __call__(case, callback): |
166 case.has_called_back = False | |
167 case.files_to_delete = [] | |
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168 case.time_limit_string = case.wall_time_limit_string |
21 | 169 try: |
22 | 170 return case.test(callback) |
21 | 171 finally: |
22 | 172 now = clock() |
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173 if getattr(case, 'time_started', None) is None: |
22 | 174 case.time_started = case.time_stopped = now |
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175 elif getattr(case, 'time_stopped', None) is None: |
22 | 176 case.time_stopped = now |
177 if not case.has_called_back: | |
178 callback() | |
21 | 179 case.cleanup() |
180 | |
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181 @property |
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182 def has_iofiles(case): |
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183 return False |
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184 |
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185 @property |
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186 def has_ansfile(case): |
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187 return False |
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188 |
21 | 189 def cleanup(case): |
190 #if getattr(case, 'infile', None): | |
191 # case.infile.close() | |
192 #if getattr(case, 'outfile', None): | |
193 # case.outfile.close() | |
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194 if getattr(case, 'process', None) and case.process.returncode is None: |
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195 # Try KILLing after three unsuccessful TERM attempts in a row |
21 | 196 for i in range(3): |
197 try: | |
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198 terminate(case.process) |
21 | 199 except Exception: |
200 time.sleep(0) | |
201 case.process.poll() | |
202 else: | |
22 | 203 case.process.wait() |
21 | 204 break |
205 else: | |
206 # If killing the process is unsuccessful three times in a row, | |
207 # just silently stop trying | |
208 for i in range(3): | |
209 try: | |
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210 kill(case.process) |
21 | 211 except Exception: |
212 time.sleep(0) | |
213 case.process.poll() | |
214 else: | |
22 | 215 case.process.wait() |
21 | 216 break |
22 | 217 if case.files_to_delete: |
218 for name in case.files_to_delete: | |
219 try: | |
220 os.remove(name) | |
221 except Exception: | |
222 # It can't be helped | |
223 pass | |
21 | 224 |
225 def open_infile(case): | |
226 try: | |
227 case.infile = files.File('/'.join((case.problem.name, case.realinname.replace('$', case.id)))) | |
228 except IOError: | |
229 e = sys.exc_info()[1] | |
230 raise CannotReadInputFile(e) | |
231 | |
232 def open_outfile(case): | |
233 try: | |
234 case.outfile = files.File('/'.join((case.problem.name, case.realoutname.replace('$', case.id)))) | |
235 except IOError: | |
236 e = sys.exc_info()[1] | |
237 raise CannotReadAnswerFile(e) | |
238 | |
16 | 239 |
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240 class SkippedTestCase(TestCase): |
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241 __slots__ = () |
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242 |
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243 def test(case, callback): |
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244 raise TestCaseSkipped |
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245 |
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246 |
21 | 247 class ValidatedTestCase(TestCase): |
248 __slots__ = 'validator' | |
249 | |
250 def __init__(case, *args): | |
251 TestCase.__init__(case, *args) | |
252 if not case.problem.config.tester: | |
253 case.validator = None | |
254 else: | |
255 case.validator = case.problem.config.tester | |
256 | |
257 def validate(case, output): | |
258 if not case.validator: | |
259 # Compare the output with the reference output | |
260 case.open_outfile() | |
261 with case.outfile.open() as refoutput: | |
25
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262 for line, refline in zip_longest(output, refoutput): |
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263 if refline is not None and not isinstance(refline, basestring): |
21 | 264 line = bytes(line, sys.getdefaultencoding()) |
265 if line != refline: | |
22 | 266 raise WrongAnswer |
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267 return 1 |
21 | 268 elif callable(case.validator): |
269 return case.validator(output) | |
270 else: | |
271 # Call the validator program | |
272 output.close() | |
23 | 273 if case.problem.config.ansname: |
274 case.open_outfile() | |
275 case.outfile.copy(case.problem.config.ansname) | |
25
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276 try: |
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277 case.process = Popen(case.validator, stdin=devnull, stdout=PIPE, stderr=STDOUT, universal_newlines=True, bufsize=-1) |
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278 except OSError: |
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279 raise CannotStartValidator(sys.exc_info()[1]) |
21 | 280 comment = case.process.communicate()[0].strip() |
26 | 281 match = re.match(r'(?i)(ok|(?:correct|wrong)(?:(?:\s|_)*answer)?)(?:$|\s+|[.,!:]+\s*)', comment) |
21 | 282 if match: |
283 comment = comment[match.end():] | |
284 if not case.problem.config.maxexitcode: | |
285 if case.process.returncode: | |
286 raise WrongAnswer(comment) | |
287 else: | |
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288 return 1, comment |
21 | 289 else: |
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290 return case.process.returncode / case.problem.config.maxexitcode, comment |
21 | 291 |
292 | |
293 class BatchTestCase(ValidatedTestCase): | |
294 __slots__ = () | |
295 | |
90
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296 @property |
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297 def has_iofiles(case): |
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298 return (not case.problem.config.stdio or |
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299 case.validator and not callable(case.validator)) |
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300 |
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301 @property |
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302 def has_ansfile(case): |
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303 return case.validator and not callable(case.validator) |
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304 |
22 | 305 def test(case, callback): |
21 | 306 case.open_infile() |
307 if case.problem.config.stdio: | |
54 | 308 if options.erase and not case.validator or not case.problem.config.inname: |
22 | 309 # TODO: re-use the same file name if possible |
21 | 310 # FIXME: 2.5 lacks the delete parameter |
311 with tempfile.NamedTemporaryFile(delete=False) as f: | |
22 | 312 inputdatafname = f.name |
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313 contextmgr = CopyDeleting(case, case.infile, inputdatafname) |
21 | 314 else: |
315 inputdatafname = case.problem.config.inname | |
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316 contextmgr = Copying(case.infile, inputdatafname) |
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317 with contextmgr: |
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318 with open(inputdatafname) as infile: |
83 | 319 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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320 call(case.problem.config.path, case=case, stdin=infile, stdout=outfile, stderr=devnull, universal_newlines=True, bufsize=-1) |
62
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321 if config.globalconf.force_zero_exitcode and case.process.returncode or case.process.returncode < 0: |
22 | 322 raise NonZeroExitCode(case.process.returncode) |
103
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323 case.has_called_back = True |
22 | 324 callback() |
325 outfile.seek(0) | |
326 return case.validate(outfile) | |
21 | 327 else: |
22 | 328 case.infile.copy(case.problem.config.inname) |
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329 call(case.problem.config.path, case=case, stdin=devnull, stdout=devnull, stderr=STDOUT) |
62
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330 if config.globalconf.force_zero_exitcode and case.process.returncode or case.process.returncode < 0: |
21 | 331 raise NonZeroExitCode(case.process.returncode) |
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332 case.has_called_back = True |
22 | 333 callback() |
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334 try: |
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335 output = open(case.problem.config.outname, 'rU') |
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336 except IOError: |
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337 raise CannotReadOutputFile(sys.exc_info()[1]) |
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338 with output as output: |
21 | 339 return case.validate(output) |
340 | |
341 | |
342 # This is the only test case type not executing any programs to be tested | |
343 class OutputOnlyTestCase(ValidatedTestCase): | |
344 __slots__ = () | |
104
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345 needs_realinname = False |
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346 |
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347 def cleanup(case): |
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348 pass |
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349 |
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350 def test(case, callback): |
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351 case.time_stopped = case.time_started = 0 |
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352 case.has_called_back = True |
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353 callback() |
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354 try: |
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355 output = open(case.problem.config.outname.replace('$', case.id), 'rU') |
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356 except IOError: |
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357 raise CannotReadOutputFile(sys.exc_info()[1]) |
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358 with output as output: |
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359 return case.validate(output) |
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360 |
21 | 361 |
362 class BestOutputTestCase(ValidatedTestCase): | |
363 __slots__ = () | |
364 | |
104
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365 |
21 | 366 # This is the only test case type executing two programs simultaneously |
367 class ReactiveTestCase(TestCase): | |
368 __slots__ = () | |
369 # The basic idea is to launch the program to be tested and the grader | |
370 # and to pipe their standard I/O from and to each other, | |
371 # and then to capture the grader's exit code and use it | |
26 | 372 # like the exit code of an output validator is used. |
21 | 373 |
374 | |
71
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375 class DummyTestContext(problem.TestGroup): |
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376 __slots__ = () |
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377 def end(self): |
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378 say('Sample total: %d/%d tests' % (self.ncorrect, self.ntotal)) |
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379 return 0, 0, self.log |
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380 |
21 | 381 def load_problem(prob, _types={'batch' : BatchTestCase, |
382 'outonly' : OutputOnlyTestCase, | |
383 'bestout' : BestOutputTestCase, | |
384 'reactive': ReactiveTestCase}): | |
39
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385 # We will need to iterate over these configuration variables twice |
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386 try: |
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387 len(prob.config.dummies) |
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388 except Exception: |
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389 prob.config.dummies = tuple(prob.config.dummies) |
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390 try: |
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391 len(prob.config.tests) |
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392 except Exception: |
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393 prob.config.tests = tuple(prob.config.tests) |
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394 |
23 | 395 if options.legacy: |
396 prob.config.usegroups = False | |
58 | 397 newtests = [] |
23 | 398 for i, name in enumerate(prob.config.tests): |
39
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399 # Same here; we'll need to iterate over them twice |
23 | 400 try: |
39
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401 l = len(name) |
23 | 402 except Exception: |
403 try: | |
39
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404 name = tuple(name) |
23 | 405 except TypeError: |
39
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406 name = (name,) |
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407 l = len(name) |
58 | 408 if l > 1: |
39
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409 prob.config.usegroups = True |
58 | 410 newtests.append(name) |
411 if prob.config.usegroups: | |
412 prob.config.tests = newtests | |
413 del newtests | |
39
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414 |
76
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415 # Even if they have duplicate test identifiers, we must honour sequence pointmaps |
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416 if isinstance(prob.config.pointmap, dict): |
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417 def getpoints(i, j, k=None): |
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418 try: |
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419 return prob.config.pointmap[i] |
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420 except KeyError: |
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421 try: |
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422 return prob.config.pointmap[None] |
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423 except KeyError: |
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424 return prob.config.maxexitcode or 1 |
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425 elif prob.config.usegroups: |
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426 def getpoints(i, j, k): |
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427 try: |
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428 return prob.config.pointmap[k][j] |
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429 except LookupError: |
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430 return prob.config.maxexitcode or 1 |
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431 else: |
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432 def getpoints(i, j): |
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433 try: |
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434 return prob.config.pointmap[j] |
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435 except LookupError: |
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436 return prob.config.maxexitcode or 1 |
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437 |
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438 # First get prob.cache.padoutput right, |
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439 # then yield the actual test cases |
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440 for i in prob.config.dummies: |
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441 s = 'sample ' + str(i).zfill(prob.config.paddummies) |
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442 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) |
16 | 443 if prob.config.usegroups: |
76
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444 if not isinstance(prob.config.groupweight, dict): |
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445 prob.config.groupweight = dict(enumerate(prob.config.groupweight)) |
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446 for group in prob.config.tests: |
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447 for i in group: |
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448 s = str(i).zfill(prob.config.padtests) |
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449 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) |
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450 if prob.config.dummies: |
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451 yield DummyTestContext() |
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452 for i in prob.config.dummies: |
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453 s = str(i).zfill(prob.config.paddummies) |
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454 if (yield _types[prob.config.kind](prob, s, True, 0)): |
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parents:
91
diff
changeset
|
455 yield |
89
3ae6cb69e4ef
Sample total is no longer printed if there are no samples
Oleg Oshmyan <chortos@inbox.lv>
parents:
88
diff
changeset
|
456 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
|
457 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
|
458 if not group: |
0e5ae28e0b2b
Points are now weighted on a test context basis
Oleg Oshmyan <chortos@inbox.lv>
parents:
72
diff
changeset
|
459 continue |
0e5ae28e0b2b
Points are now weighted on a test context basis
Oleg Oshmyan <chortos@inbox.lv>
parents:
72
diff
changeset
|
460 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
|
461 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
|
462 for j, i in enumerate(group): |
39
2b459f9743b4
Test groups are now supported
Oleg Oshmyan <chortos@inbox.lv>
parents:
27
diff
changeset
|
463 s = str(i).zfill(prob.config.padtests) |
90
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
464 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
|
465 if options.skim: |
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
466 case_type = SkippedTestCase |
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
467 else: |
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
468 yield |
39
2b459f9743b4
Test groups are now supported
Oleg Oshmyan <chortos@inbox.lv>
parents:
27
diff
changeset
|
469 yield problem.test_context_end |
16 | 470 else: |
471 for i in prob.config.tests: | |
21 | 472 s = str(i).zfill(prob.config.padtests) |
473 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) | |
474 for i in prob.config.dummies: | |
475 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
|
476 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
|
477 yield |
76
0e5ae28e0b2b
Points are now weighted on a test context basis
Oleg Oshmyan <chortos@inbox.lv>
parents:
72
diff
changeset
|
478 for j, i in enumerate(prob.config.tests): |
21 | 479 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
|
480 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
|
481 yield |