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