Mercurial > ~astiob > upreckon > hgweb
annotate testcases.py @ 114:c4dba6d44194 2.00 2.00.1
Fixed the version number reported in --version
author | Oleg Oshmyan <chortos@inbox.lv> |
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date | Fri, 08 Apr 2011 20:05:33 +0300 |
parents | f0b63838f407 |
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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 |
112
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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 |
21 | 37 try: |
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38 from win32 import * |
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39 except Exception: |
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40 from unix import * |
22 | 41 |
21 | 42 __all__ = ('TestCase', 'load_problem', 'TestCaseNotPassed', |
22 | 43 'TimeLimitExceeded', 'CanceledByUser', 'WrongAnswer', |
44 'NonZeroExitCode', 'CannotStartTestee', | |
45 'CannotStartValidator', 'CannotReadOutputFile', | |
81
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46 'CannotReadInputFile', 'CannotReadAnswerFile', |
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47 'MemoryLimitExceeded', 'CPUTimeLimitExceeded', |
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48 'WallTimeLimitExceeded') |
21 | 49 |
50 | |
51 | |
52 # Exceptions | |
53 | |
54 class TestCaseNotPassed(Exception): __slots__ = () | |
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55 class TestCaseSkipped(TestCaseNotPassed): __slots__ = () |
21 | 56 class TimeLimitExceeded(TestCaseNotPassed): __slots__ = () |
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57 class CPUTimeLimitExceeded(TimeLimitExceeded): __slots__ = () |
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58 class WallTimeLimitExceeded(TimeLimitExceeded): __slots__ = () |
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59 class MemoryLimitExceeded(TestCaseNotPassed): __slots__ = () |
22 | 60 class CanceledByUser(TestCaseNotPassed): __slots__ = () |
21 | 61 |
62 class WrongAnswer(TestCaseNotPassed): | |
63 __slots__ = 'comment' | |
64 def __init__(self, comment=''): | |
65 self.comment = comment | |
66 | |
67 class NonZeroExitCode(TestCaseNotPassed): | |
68 __slots__ = 'exitcode' | |
69 def __init__(self, exitcode): | |
70 self.exitcode = exitcode | |
71 | |
72 class ExceptionWrapper(TestCaseNotPassed): | |
73 __slots__ = 'upstream' | |
74 def __init__(self, upstream): | |
75 self.upstream = upstream | |
76 | |
77 class CannotStartTestee(ExceptionWrapper): __slots__ = () | |
78 class CannotStartValidator(ExceptionWrapper): __slots__ = () | |
79 class CannotReadOutputFile(ExceptionWrapper): __slots__ = () | |
80 class CannotReadInputFile(ExceptionWrapper): __slots__ = () | |
81 class CannotReadAnswerFile(ExceptionWrapper): __slots__ = () | |
82 | |
83 | |
84 | |
22 | 85 # Helper context managers |
86 | |
87 class CopyDeleting(object): | |
88 __slots__ = 'case', 'file', 'name' | |
89 | |
90 def __init__(self, case, file, name): | |
91 self.case = case | |
92 self.file = file | |
93 self.name = name | |
94 | |
95 def __enter__(self): | |
96 if self.name: | |
97 try: | |
98 self.file.copy(self.name) | |
99 except: | |
100 try: | |
101 self.__exit__(None, None, None) | |
102 except: | |
103 pass | |
104 raise | |
105 | |
106 def __exit__(self, exc_type, exc_val, exc_tb): | |
107 if self.name: | |
108 self.case.files_to_delete.append(self.name) | |
109 | |
110 | |
111 class Copying(object): | |
112 __slots__ = 'file', 'name' | |
113 | |
114 def __init__(self, file, name): | |
115 self.file = file | |
116 self.name = name | |
117 | |
118 def __enter__(self): | |
119 if self.name: | |
120 self.file.copy(self.name) | |
121 | |
122 def __exit__(self, exc_type, exc_val, exc_tb): | |
123 pass | |
124 | |
125 | |
126 | |
21 | 127 # Test case types |
16 | 128 |
129 class TestCase(object): | |
21 | 130 __slots__ = ('problem', 'id', 'isdummy', 'infile', 'outfile', 'points', |
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131 'process', 'time_started', 'time_stopped', |
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132 'realinname', 'realoutname', 'maxcputime', 'maxwalltime', |
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133 'maxmemory', 'has_called_back', 'files_to_delete', |
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134 'cpu_time_limit_string', 'wall_time_limit_string', |
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135 'time_limit_string') |
21 | 136 |
137 if ABCMeta: | |
138 __metaclass__ = ABCMeta | |
16 | 139 |
21 | 140 def __init__(case, prob, id, isdummy, points): |
16 | 141 case.problem = prob |
21 | 142 case.id = id |
143 case.isdummy = isdummy | |
144 case.points = points | |
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145 case.maxcputime = case.problem.config.maxcputime |
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146 case.maxwalltime = case.problem.config.maxwalltime |
21 | 147 case.maxmemory = case.problem.config.maxmemory |
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148 if case.maxcputime: |
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149 case.cpu_time_limit_string = '/%.3f' % case.maxcputime |
21 | 150 else: |
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151 case.cpu_time_limit_string = '' |
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152 if case.maxwalltime: |
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153 case.wall_time_limit_string = '/%.3f' % case.maxwalltime |
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154 else: |
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155 case.wall_time_limit_string = '' |
21 | 156 if not isdummy: |
157 case.realinname = case.problem.config.testcaseinname | |
158 case.realoutname = case.problem.config.testcaseoutname | |
159 else: | |
160 case.realinname = case.problem.config.dummyinname | |
161 case.realoutname = case.problem.config.dummyoutname | |
162 | |
163 @abstractmethod | |
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164 def test(case): |
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165 raise NotImplementedError |
16 | 166 |
22 | 167 def __call__(case, callback): |
168 case.has_called_back = False | |
169 case.files_to_delete = [] | |
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170 case.time_limit_string = case.wall_time_limit_string |
21 | 171 try: |
22 | 172 return case.test(callback) |
21 | 173 finally: |
22 | 174 now = clock() |
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175 if getattr(case, 'time_started', None) is None: |
22 | 176 case.time_started = case.time_stopped = now |
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177 elif getattr(case, 'time_stopped', None) is None: |
22 | 178 case.time_stopped = now |
179 if not case.has_called_back: | |
180 callback() | |
21 | 181 case.cleanup() |
182 | |
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183 @property |
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184 def has_iofiles(case): |
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185 return False |
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186 |
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187 @property |
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188 def has_ansfile(case): |
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189 return False |
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190 |
21 | 191 def cleanup(case): |
192 #if getattr(case, 'infile', None): | |
193 # case.infile.close() | |
194 #if getattr(case, 'outfile', None): | |
195 # case.outfile.close() | |
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196 if getattr(case, 'process', None) and case.process.returncode is None: |
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197 # Try KILLing after three unsuccessful TERM attempts in a row |
21 | 198 for i in range(3): |
199 try: | |
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200 terminate(case.process) |
21 | 201 except Exception: |
202 time.sleep(0) | |
203 case.process.poll() | |
204 else: | |
22 | 205 case.process.wait() |
21 | 206 break |
207 else: | |
208 # If killing the process is unsuccessful three times in a row, | |
209 # just silently stop trying | |
210 for i in range(3): | |
211 try: | |
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212 kill(case.process) |
21 | 213 except Exception: |
214 time.sleep(0) | |
215 case.process.poll() | |
216 else: | |
22 | 217 case.process.wait() |
21 | 218 break |
22 | 219 if case.files_to_delete: |
220 for name in case.files_to_delete: | |
221 try: | |
222 os.remove(name) | |
223 except Exception: | |
224 # It can't be helped | |
225 pass | |
21 | 226 |
227 def open_infile(case): | |
228 try: | |
229 case.infile = files.File('/'.join((case.problem.name, case.realinname.replace('$', case.id)))) | |
230 except IOError: | |
231 e = sys.exc_info()[1] | |
232 raise CannotReadInputFile(e) | |
233 | |
234 def open_outfile(case): | |
235 try: | |
236 case.outfile = files.File('/'.join((case.problem.name, case.realoutname.replace('$', case.id)))) | |
237 except IOError: | |
238 e = sys.exc_info()[1] | |
239 raise CannotReadAnswerFile(e) | |
240 | |
16 | 241 |
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242 class SkippedTestCase(TestCase): |
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243 __slots__ = () |
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244 |
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245 def test(case, callback): |
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246 raise TestCaseSkipped |
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247 |
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248 |
21 | 249 class ValidatedTestCase(TestCase): |
250 __slots__ = 'validator' | |
251 | |
252 def __init__(case, *args): | |
253 TestCase.__init__(case, *args) | |
254 if not case.problem.config.tester: | |
255 case.validator = None | |
256 else: | |
257 case.validator = case.problem.config.tester | |
258 | |
259 def validate(case, output): | |
260 if not case.validator: | |
261 # Compare the output with the reference output | |
262 case.open_outfile() | |
263 with case.outfile.open() as refoutput: | |
25
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264 for line, refline in zip_longest(output, refoutput): |
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265 if refline is not None and not isinstance(refline, basestring): |
21 | 266 line = bytes(line, sys.getdefaultencoding()) |
267 if line != refline: | |
22 | 268 raise WrongAnswer |
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269 return 1 |
21 | 270 elif callable(case.validator): |
271 return case.validator(output) | |
272 else: | |
273 # Call the validator program | |
274 output.close() | |
23 | 275 if case.problem.config.ansname: |
276 case.open_outfile() | |
277 case.outfile.copy(case.problem.config.ansname) | |
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278 try: |
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279 case.process = Popen(case.validator, stdin=devnull, stdout=PIPE, stderr=STDOUT, universal_newlines=True, bufsize=-1) |
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280 except OSError: |
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281 raise CannotStartValidator(sys.exc_info()[1]) |
112
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282 with signal_ignorer: |
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283 comment = case.process.communicate()[0].strip() |
26 | 284 match = re.match(r'(?i)(ok|(?:correct|wrong)(?:(?:\s|_)*answer)?)(?:$|\s+|[.,!:]+\s*)', comment) |
21 | 285 if match: |
286 comment = comment[match.end():] | |
287 if not case.problem.config.maxexitcode: | |
288 if case.process.returncode: | |
289 raise WrongAnswer(comment) | |
290 else: | |
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291 return 1, comment |
21 | 292 else: |
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293 return case.process.returncode / case.problem.config.maxexitcode, comment |
21 | 294 |
295 | |
296 class BatchTestCase(ValidatedTestCase): | |
297 __slots__ = () | |
298 | |
90
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299 @property |
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300 def has_iofiles(case): |
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301 return (not case.problem.config.stdio or |
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302 case.validator and not callable(case.validator)) |
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303 |
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304 @property |
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305 def has_ansfile(case): |
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306 return case.validator and not callable(case.validator) |
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307 |
22 | 308 def test(case, callback): |
21 | 309 case.open_infile() |
310 if case.problem.config.stdio: | |
54 | 311 if options.erase and not case.validator or not case.problem.config.inname: |
22 | 312 # TODO: re-use the same file name if possible |
21 | 313 # FIXME: 2.5 lacks the delete parameter |
314 with tempfile.NamedTemporaryFile(delete=False) as f: | |
22 | 315 inputdatafname = f.name |
25
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316 contextmgr = CopyDeleting(case, case.infile, inputdatafname) |
21 | 317 else: |
318 inputdatafname = case.problem.config.inname | |
25
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319 contextmgr = Copying(case.infile, inputdatafname) |
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320 with contextmgr: |
79
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321 with open(inputdatafname) as infile: |
83 | 322 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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323 call(case.problem.config.path, case=case, stdin=infile, stdout=outfile, stderr=devnull, universal_newlines=True, bufsize=-1) |
62
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324 if config.globalconf.force_zero_exitcode and case.process.returncode or case.process.returncode < 0: |
22 | 325 raise NonZeroExitCode(case.process.returncode) |
109
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326 case.has_called_back = True |
22 | 327 callback() |
328 outfile.seek(0) | |
329 return case.validate(outfile) | |
21 | 330 else: |
22 | 331 case.infile.copy(case.problem.config.inname) |
82
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332 call(case.problem.config.path, case=case, stdin=devnull, stdout=devnull, stderr=STDOUT) |
62
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333 if config.globalconf.force_zero_exitcode and case.process.returncode or case.process.returncode < 0: |
21 | 334 raise NonZeroExitCode(case.process.returncode) |
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335 case.has_called_back = True |
22 | 336 callback() |
110
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337 try: |
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338 output = open(case.problem.config.outname, 'rU') |
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339 except IOError: |
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340 raise CannotReadOutputFile(sys.exc_info()[1]) |
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341 with output as output: |
21 | 342 return case.validate(output) |
343 | |
344 | |
345 # This is the only test case type not executing any programs to be tested | |
346 class OutputOnlyTestCase(ValidatedTestCase): | |
347 __slots__ = () | |
348 def cleanup(case): pass | |
349 | |
350 class BestOutputTestCase(ValidatedTestCase): | |
351 __slots__ = () | |
352 | |
353 # This is the only test case type executing two programs simultaneously | |
354 class ReactiveTestCase(TestCase): | |
355 __slots__ = () | |
356 # The basic idea is to launch the program to be tested and the grader | |
357 # and to pipe their standard I/O from and to each other, | |
358 # and then to capture the grader's exit code and use it | |
26 | 359 # like the exit code of an output validator is used. |
21 | 360 |
361 | |
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362 class DummyTestContext(problem.TestGroup): |
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363 __slots__ = () |
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364 def end(self): |
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365 say('Sample total: %d/%d tests' % (self.ncorrect, self.ntotal)) |
76
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366 return 0, 0, self.log |
71
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367 |
21 | 368 def load_problem(prob, _types={'batch' : BatchTestCase, |
369 'outonly' : OutputOnlyTestCase, | |
370 'bestout' : BestOutputTestCase, | |
371 'reactive': ReactiveTestCase}): | |
39
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372 # We will need to iterate over these configuration variables twice |
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373 try: |
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374 len(prob.config.dummies) |
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375 except Exception: |
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376 prob.config.dummies = tuple(prob.config.dummies) |
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377 try: |
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378 len(prob.config.tests) |
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379 except Exception: |
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380 prob.config.tests = tuple(prob.config.tests) |
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381 |
23 | 382 if options.legacy: |
383 prob.config.usegroups = False | |
58 | 384 newtests = [] |
23 | 385 for i, name in enumerate(prob.config.tests): |
39
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386 # Same here; we'll need to iterate over them twice |
23 | 387 try: |
39
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388 l = len(name) |
23 | 389 except Exception: |
390 try: | |
39
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391 name = tuple(name) |
23 | 392 except TypeError: |
39
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393 name = (name,) |
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394 l = len(name) |
58 | 395 if l > 1: |
39
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396 prob.config.usegroups = True |
58 | 397 newtests.append(name) |
398 if prob.config.usegroups: | |
399 prob.config.tests = newtests | |
400 del newtests | |
39
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401 |
76
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402 # Even if they have duplicate test identifiers, we must honour sequence pointmaps |
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403 if isinstance(prob.config.pointmap, dict): |
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404 def getpoints(i, j, k=None): |
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405 try: |
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406 return prob.config.pointmap[i] |
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407 except KeyError: |
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408 try: |
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409 return prob.config.pointmap[None] |
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410 except KeyError: |
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411 return prob.config.maxexitcode or 1 |
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412 elif prob.config.usegroups: |
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413 def getpoints(i, j, k): |
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414 try: |
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415 return prob.config.pointmap[k][j] |
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416 except LookupError: |
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417 return prob.config.maxexitcode or 1 |
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418 else: |
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419 def getpoints(i, j): |
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420 try: |
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421 return prob.config.pointmap[j] |
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422 except LookupError: |
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423 return prob.config.maxexitcode or 1 |
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424 |
39
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425 # First get prob.cache.padoutput right, |
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426 # then yield the actual test cases |
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427 for i in prob.config.dummies: |
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428 s = 'sample ' + str(i).zfill(prob.config.paddummies) |
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429 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) |
16 | 430 if prob.config.usegroups: |
76
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431 if not isinstance(prob.config.groupweight, dict): |
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432 prob.config.groupweight = dict(enumerate(prob.config.groupweight)) |
39
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433 for group in prob.config.tests: |
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434 for i in group: |
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435 s = str(i).zfill(prob.config.padtests) |
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436 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) |
89
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437 if prob.config.dummies: |
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438 yield DummyTestContext() |
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439 for i in prob.config.dummies: |
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440 s = str(i).zfill(prob.config.paddummies) |
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441 if (yield _types[prob.config.kind](prob, s, True, 0)): |
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442 yield |
89
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443 yield problem.test_context_end |
76
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444 for k, group in enumerate(prob.config.tests): |
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445 if not group: |
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446 continue |
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447 yield problem.TestGroup(prob.config.groupweight.get(k, prob.config.groupweight.get(None))) |
90
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448 case_type = _types[prob.config.kind] |
76
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449 for j, i in enumerate(group): |
39
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450 s = str(i).zfill(prob.config.padtests) |
90
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451 if not (yield case_type(prob, s, False, getpoints(i, j, k))): |
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452 if options.skim: |
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453 case_type = SkippedTestCase |
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454 else: |
1fb319ec33af
Skimming mode added (-k/--skim option)
Oleg Oshmyan <chortos@inbox.lv>
parents:
89
diff
changeset
|
455 yield |
39
2b459f9743b4
Test groups are now supported
Oleg Oshmyan <chortos@inbox.lv>
parents:
27
diff
changeset
|
456 yield problem.test_context_end |
16 | 457 else: |
458 for i in prob.config.tests: | |
21 | 459 s = str(i).zfill(prob.config.padtests) |
460 prob.cache.padoutput = max(prob.cache.padoutput, len(s)) | |
461 for i in prob.config.dummies: | |
462 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
|
463 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
|
464 yield |
76
0e5ae28e0b2b
Points are now weighted on a test context basis
Oleg Oshmyan <chortos@inbox.lv>
parents:
72
diff
changeset
|
465 for j, i in enumerate(prob.config.tests): |
21 | 466 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
|
467 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
|
468 yield |