tests/testautopolicy.py

   1 #!/usr/bin/env python2.4
   2 from basetest import BaseTest
   3 import sys, tempfile, os, shutil, logging
   4 from StringIO import StringIO
   5 import unittest
   6 from logging import getLogger, DEBUG, INFO
   7
   8 sys.path.insert(0, '..')
   9
  10 from zeroinstall import NeedDownload
  11 from zeroinstall.injector import model, basedir, autopolicy, gpg, iface_cache, namespaces, reader
  12 import data
  13
  14 foo_iface_uri = 'http://foo'
  15
  16 logger = logging.getLogger()
  17
  18 class TestAutoPolicy(BaseTest):
  19         def setUp(self):
  20                 BaseTest.setUp(self)
  21                 stream = tempfile.TemporaryFile()
  22                 stream.write(data.thomas_key)
  23                 stream.seek(0)
  24                 gpg.import_key(stream)
  25
  26         def cache_iface(self, name, data):
  27                 cached_ifaces = basedir.save_cache_path('0install.net',
  28                                                         'interfaces')
  29
  30                 f = file(os.path.join(cached_ifaces, model.escape(name)), 'w')
  31                 f.write(data)
  32                 f.close()
  33
  34         def testNoNeedDl(self):
  35                 policy = autopolicy.AutoPolicy(foo_iface_uri,
  36                                                 download_only = False)
  37                 policy.freshness = 0
  38                 assert policy.need_download()
  39                 self.cache_iface(foo_iface_uri,
  40 """<?xml version="1.0" ?>
  41 <interface last-modified="1110752708"
  42  uri="%s"
  43  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
  44   <name>Foo</name>
  45   <summary>Foo</summary>
  46   <description>Foo</description>
  47 </interface>""" % foo_iface_uri)
  48                 iface_cache.iface_cache._interfaces = {}
  49                 assert not policy.need_download()
  50
  51         def testUnknownAlg(self):
  52                 self.cache_iface(foo_iface_uri,
  53 """<?xml version="1.0" ?>
  54 <interface
  55  uri="%s"
  56  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
  57   <name>Foo</name>
  58   <summary>Foo</summary>
  59   <description>Foo</description>
  60   <implementation id='unknown=123' version='1.0'>
  61     <archive href='http://foo/foo.tgz' size='100'/>
  62   </implementation>
  63 </interface>""" % foo_iface_uri)
  64                 policy = autopolicy.AutoPolicy(foo_iface_uri,
  65                                                 download_only = False)
  66                 policy.freshness = 0
  67                 try:
  68                         assert policy.need_download()
  69                         assert False
  70                 except model.SafeException, ex:
  71                         assert 'Unknown digest algorithm' in str(ex)
  72
  73         def testDownload(self):
  74                 tmp = tempfile.NamedTemporaryFile()
  75                 tmp.write(
  76 """<?xml version="1.0" ?>
  77 <interface
  78  main='ThisBetterNotExist'
  79  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
  80   <name>Foo</name>
  81   <summary>Foo</summary>
  82   <description>Foo</description>
  83   <implementation version='1.0' id='/bin'/>
  84 </interface>""")
  85                 tmp.flush()
  86                 policy = autopolicy.AutoPolicy(tmp.name, False, False)
  87                 try:
  88                         policy.download_and_execute(['Hello'])
  89                         assert 0
  90                 except model.SafeException, ex:
  91                         assert "ThisBetterNotExist" in str(ex)
  92                 tmp.close()
  93
  94         def testNoMain(self):
  95                 tmp = tempfile.NamedTemporaryFile()
  96                 tmp.write(
  97 """<?xml version="1.0" ?>
  98 <interface
  99  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 100   <name>Foo</name>
 101   <summary>Foo</summary>
 102   <description>Foo</description>
 103   <implementation version='1.0' id='/bin'/>
 104 </interface>""")
 105                 tmp.flush()
 106                 policy = autopolicy.AutoPolicy(tmp.name, False, False)
 107                 try:
 108                         policy.download_and_execute(['Hello'])
 109                         assert 0
 110                 except model.SafeException, ex:
 111                         assert "library" in str(ex)
 112                 tmp.close()
 113
 114         def testNeedDL(self):
 115                 self.cache_iface(foo_iface_uri,
 116 """<?xml version="1.0" ?>
 117 <interface last-modified="0"
 118  uri="%s"
 119  main='ThisBetterNotExist'
 120  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 121   <name>Foo</name>
 122   <summary>Foo</summary>
 123   <description>Foo</description>
 124   <implementation version='1.0' id='sha1=123'>
 125     <archive href='http://foo/foo.tgz' size='100'/>
 126   </implementation>
 127 </interface>""" % foo_iface_uri)
 128                 policy = autopolicy.AutoPolicy(foo_iface_uri, False, True)
 129                 policy.freshness = 0
 130                 policy.network_use = model.network_full
 131                 policy.recalculate()
 132                 assert policy.need_download()
 133                 try:
 134                         policy.start_downloading_impls()
 135                         assert False
 136                 except NeedDownload, ex:
 137                         pass
 138
 139         def testBinding(self):
 140                 local_impl = os.path.dirname(os.path.abspath(__file__))
 141                 tmp = tempfile.NamedTemporaryFile()
 142                 tmp.write(
 143 """<?xml version="1.0" ?>
 144 <interface
 145  main='testautopolicy.py'
 146  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 147   <name>Bar</name>
 148   <summary>Bar</summary>
 149   <description>Bar</description>
 150   <group>
 151     <requires interface='%s'>
 152       <environment name='FOO_PATH' insert='.'/>
 153       <environment name='BAR_PATH' insert='.' default='/a:/b'/>
 154       <environment name='XDG_DATA_DIRS' insert='.'/>
 155     </requires>
 156     <environment name='SELF_GROUP' insert='group' mode='replace'/>
 157     <implementation version='1.0' id='%s'>
 158       <environment name='SELF_IMPL' insert='impl' mode='replace'/>
 159     </implementation>
 160   </group>
 161 </interface>""" % (foo_iface_uri, local_impl))
 162                 tmp.flush()
 163                 self.cache_iface(foo_iface_uri,
 164 """<?xml version="1.0" ?>
 165 <interface last-modified="0"
 166  uri="%s"
 167  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 168   <name>Foo</name>
 169   <summary>Foo</summary>
 170   <description>Foo</description>
 171   <implementation version='1.0' id='sha1=123'/>
 172 </interface>""" % foo_iface_uri)
 173                 cached_impl = basedir.save_cache_path('0install.net',
 174                                                         'implementations',
 175                                                         'sha1=123')
 176                 policy = autopolicy.AutoPolicy(tmp.name, False,
 177                                                 dry_run = True)
 178                 policy.network_use = model.network_offline
 179                 os.environ['FOO_PATH'] = "old"
 180                 old, sys.stdout = sys.stdout, StringIO()
 181                 try:
 182                         policy.download_and_execute(['Hello'])
 183                 finally:
 184                         sys.stdout = old
 185                 self.assertEquals(cached_impl + '/.:old',
 186                                 os.environ['FOO_PATH'])
 187                 self.assertEquals(cached_impl + '/.:/a:/b',
 188                                 os.environ['BAR_PATH'])
 189
 190                 self.assertEquals(os.path.join(local_impl, 'group'), os.environ['SELF_GROUP'])
 191                 self.assertEquals(os.path.join(local_impl, 'impl'), os.environ['SELF_IMPL'])
 192
 193                 del os.environ['FOO_PATH']
 194                 if 'XDG_DATA_DIRS' in os.environ:
 195                         del os.environ['XDG_DATA_DIRS']
 196                 os.environ['BAR_PATH'] = '/old'
 197                 old, sys.stdout = sys.stdout, StringIO()
 198                 try:
 199                         policy.download_and_execute(['Hello'])
 200                 finally:
 201                         sys.stdout = old
 202                 self.assertEquals(cached_impl + '/.',
 203                                 os.environ['FOO_PATH'])
 204                 self.assertEquals(cached_impl + '/.:/old',
 205                                 os.environ['BAR_PATH'])
 206                 self.assertEquals(cached_impl + '/.:/usr/local/share:/usr/share',
 207                                 os.environ['XDG_DATA_DIRS'])
 208
 209         def testFeeds(self):
 210                 self.cache_iface(foo_iface_uri,
 211 """<?xml version="1.0" ?>
 212 <interface last-modified="0"
 213  uri="%s"
 214  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 215   <name>Foo</name>
 216   <summary>Foo</summary>
 217   <description>Foo</description>
 218   <feed src='http://bar'/>
 219 </interface>""" % foo_iface_uri)
 220                 self.cache_iface('http://bar',
 221 """<?xml version="1.0" ?>
 222 <interface last-modified="0"
 223  uri="http://bar"
 224  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 225   <feed-for interface='%s'/>
 226   <name>Bar</name>
 227   <summary>Bar</summary>
 228   <description>Bar</description>
 229   <implementation version='1.0' id='sha1=123'/>
 230 </interface>""" % foo_iface_uri)
 231                 policy = autopolicy.AutoPolicy(foo_iface_uri, False,
 232                                                         dry_run = True)
 233                 policy.freshness = 0
 234                 policy.network_use = model.network_full
 235                 policy.recalculate()
 236                 assert policy.ready
 237                 foo_iface = policy.get_interface(foo_iface_uri)
 238                 self.assertEquals('sha1=123', policy.implementation[foo_iface].id)
 239
 240         def testBadConfig(self):
 241                 path = basedir.save_config_path(namespaces.config_site,
 242                                                 namespaces.config_prog)
 243                 glob = os.path.join(path, 'global')
 244                 assert not os.path.exists(glob)
 245                 stream = file(glob, 'w')
 246                 stream.write('hello!')
 247                 stream.close()
 248
 249                 logger.setLevel(logging.ERROR)
 250                 policy = autopolicy.AutoPolicy(foo_iface_uri,
 251                                                 download_only = False)
 252                 logger.setLevel(logging.WARN)
 253
 254         def testRanking(self):
 255                 self.cache_iface('http://bar',
 256 """<?xml version="1.0" ?>
 257 <interface last-modified="1110752708"
 258  uri="http://bar"
 259  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 260   <name>Bar</name>
 261   <summary>Bar</summary>
 262   <description>Bar</description>
 263   <implementation id='sha1=125' version='1.0' arch='odd-weird' stability='buggy'/>
 264   <implementation id='sha1=126' version='1.0'/>
 265 </interface>""")
 266                 self.cache_iface(foo_iface_uri,
 267 """<?xml version="1.0" ?>
 268 <interface last-modified="1110752708"
 269  uri="%s"
 270  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 271   <name>Foo</name>
 272   <summary>Foo</summary>
 273   <description>Foo</description>
 274   <feed src='http://example.com' arch='odd-unknown'/>
 275   <feed src='http://bar'/>
 276   <implementation id='sha1=123' version='1.0' arch='odd-strange'/>
 277   <implementation id='sha1=124' version='1.0' arch='odd-weird'/>
 278 </interface>""" % foo_iface_uri)
 279                 policy = autopolicy.AutoPolicy(foo_iface_uri,
 280                                                 download_only = False)
 281                 policy.network_use = model.network_full
 282                 policy.freshness = 0
 283                 impls = policy.get_ranked_implementations(
 284                                 policy.get_interface(policy.root))
 285                 assert len(impls) == 4
 286
 287                 logger.setLevel(logging.ERROR)
 288                 policy.network_use = model.network_offline # Changes sort order tests
 289                 policy.recalculate()                       # Triggers feed-for warning
 290                 logger.setLevel(logging.WARN)
 291
 292         def testNoLocal(self):
 293                 self.cache_iface(foo_iface_uri,
 294 """<?xml version="1.0" ?>
 295 <interface last-modified="1110752708"
 296  uri="%s"
 297  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 298   <name>Foo</name>
 299   <summary>Foo</summary>
 300   <description>Foo</description>
 301   <feed src='/etc/passwd'/>
 302 </interface>""" % foo_iface_uri)
 303                 policy = autopolicy.AutoPolicy(foo_iface_uri,
 304                                                 download_only = False)
 305                 policy.network_use = model.network_offline
 306                 try:
 307                         policy.get_interface(foo_iface_uri)
 308                         assert False
 309                 except reader.InvalidInterface, ex:
 310                         assert 'Invalid feed URL' in str(ex)
 311
 312         def testDLfeed(self):
 313                 self.cache_iface(foo_iface_uri,
 314 """<?xml version="1.0" ?>
 315 <interface last-modified="1110752708"
 316  uri="%s"
 317  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 318   <name>Foo</name>
 319   <summary>Foo</summary>
 320   <description>Foo</description>
 321   <feed src='http://example.com'/>
 322 </interface>""" % foo_iface_uri)
 323                 policy = autopolicy.AutoPolicy(foo_iface_uri, dry_run = True)
 324                 policy.network_use = model.network_full
 325                 policy.freshness = 0
 326
 327                 try:
 328                         policy.recalculate()
 329                         assert False
 330                 except NeedDownload, ex:
 331                         pass
 332
 333                 iface = policy.get_interface(foo_iface_uri)
 334                 iface._main_feed.feeds = [model.Feed('/BadFeed', None, False)]
 335
 336                 logger.setLevel(logging.ERROR)
 337                 policy.recalculate()    # Triggers warning
 338                 logger.setLevel(logging.WARN)
 339
 340         def testBestUnusable(self):
 341                 self.cache_iface(foo_iface_uri,
 342 """<?xml version="1.0" ?>
 343 <interface last-modified="1110752708"
 344  uri="%s"
 345  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 346   <name>Foo</name>
 347   <summary>Foo</summary>
 348   <description>Foo</description>
 349   <implementation id='sha1=123' version='1.0' arch='odd-weird'/>
 350 </interface>""" % foo_iface_uri)
 351                 policy = autopolicy.AutoPolicy(foo_iface_uri,
 352                                                 download_only = False)
 353                 policy.network_use = model.network_offline
 354                 policy.recalculate()
 355                 assert not policy.ready
 356                 try:
 357                         policy.download_and_execute([])
 358                         assert False
 359                 except model.SafeException, ex:
 360                         assert "Can't find all required implementations" in str(ex)
 361
 362         def testNoArchives(self):
 363                 self.cache_iface(foo_iface_uri,
 364 """<?xml version="1.0" ?>
 365 <interface last-modified="1110752708"
 366  uri="%s"
 367  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 368   <name>Foo</name>
 369   <summary>Foo</summary>
 370   <description>Foo</description>
 371   <implementation id='sha1=123' version='1.0'/>
 372 </interface>""" % foo_iface_uri)
 373                 policy = autopolicy.AutoPolicy(foo_iface_uri,
 374                                                 download_only = False)
 375                 policy.freshness = 0
 376                 policy.recalculate()
 377                 assert policy.ready
 378                 try:
 379                         policy.download_and_execute([])
 380                         assert False
 381                 except model.SafeException, ex:
 382                         assert 'no download locations' in str(ex)
 383
 384         def testCycle(self):
 385                 self.cache_iface(foo_iface_uri,
 386 """<?xml version="1.0" ?>
 387 <interface last-modified="1110752708"
 388  uri="%s"
 389  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 390   <name>Foo</name>
 391   <summary>Foo</summary>
 392   <description>Foo</description>
 393   <group>
 394     <requires interface='%s'/>
 395     <implementation id='sha1=123' version='1.0'/>
 396   </group>
 397 </interface>""" % (foo_iface_uri, foo_iface_uri))
 398                 policy = autopolicy.AutoPolicy(foo_iface_uri,
 399                                                 download_only = False)
 400                 policy.freshness = 0
 401                 policy.recalculate()
 402
 403         def testConstraints(self):
 404                 self.cache_iface('http://bar',
 405 """<?xml version="1.0" ?>
 406 <interface last-modified="1110752708"
 407  uri="http://bar"
 408  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 409   <name>Bar</name>
 410   <summary>Bar</summary>
 411   <description>Bar</description>
 412   <implementation id='sha1=100' version='1.0'/>
 413   <implementation id='sha1=150' stability='developer' version='1.5'/>
 414   <implementation id='sha1=200' version='2.0'/>
 415 </interface>""")
 416                 self.cache_iface(foo_iface_uri,
 417 """<?xml version="1.0" ?>
 418 <interface last-modified="1110752708"
 419  uri="%s"
 420  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 421   <name>Foo</name>
 422   <summary>Foo</summary>
 423   <description>Foo</description>
 424   <group>
 425    <requires interface='http://bar'>
 426     <version/>
 427    </requires>
 428    <implementation id='sha1=123' version='1.0'/>
 429   </group>
 430 </interface>""" % foo_iface_uri)
 431                 policy = autopolicy.AutoPolicy(foo_iface_uri,
 432                                                 download_only = False)
 433                 policy.network_use = model.network_full
 434                 policy.freshness = 0
 435                 #logger.setLevel(logging.DEBUG)
 436                 policy.recalculate()
 437                 #logger.setLevel(logging.WARN)
 438                 foo_iface = policy.get_interface(foo_iface_uri)
 439                 bar_iface = policy.get_interface('http://bar')
 440                 assert policy.implementation[bar_iface].id == 'sha1=200'
 441
 442                 dep = policy.implementation[foo_iface].dependencies['http://bar']
 443                 assert len(dep.restrictions) == 1
 444                 restriction = dep.restrictions[0]
 445
 446                 restriction.before = model.parse_version('2.0')
 447                 policy.recalculate()
 448                 assert policy.implementation[bar_iface].id == 'sha1=100'
 449
 450                 restriction.not_before = model.parse_version('1.5')
 451                 policy.recalculate()
 452                 assert policy.implementation[bar_iface].id == 'sha1=150'
 453
 454 suite = unittest.makeSuite(TestAutoPolicy)
 455 if __name__ == '__main__':
 456         sys.argv.append('-v')
 457         unittest.main()