tests/testautopolicy.py

   1 #!/usr/bin/env python
   2 from basetest import BaseTest
   3 import sys, tempfile, os, logging
   4 from StringIO import StringIO
   5 import unittest
   6
   7 sys.path.insert(0, '..')
   8
   9 from zeroinstall import NeedDownload
  10 from zeroinstall.injector import model, autopolicy, gpg, iface_cache, namespaces, reader
  11 from zeroinstall.support import basedir
  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
  40                 policy = autopolicy.AutoPolicy(os.path.abspath('Foo.xml'),
  41                                                 download_only = False)
  42                 assert not policy.need_download()
  43                 assert policy.ready
  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                 policy.download_only = True
 205                 policy.download_and_execute(['Hello'])
 206
 207         def testFeeds(self):
 208                 self.cache_iface(foo_iface_uri,
 209 """<?xml version="1.0" ?>
 210 <interface last-modified="0"
 211  uri="%s"
 212  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 213   <name>Foo</name>
 214   <summary>Foo</summary>
 215   <description>Foo</description>
 216   <feed src='http://bar'/>
 217 </interface>""" % foo_iface_uri)
 218                 self.cache_iface('http://bar',
 219 """<?xml version="1.0" ?>
 220 <interface last-modified="0"
 221  uri="http://bar"
 222  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 223   <feed-for interface='%s'/>
 224   <name>Bar</name>
 225   <summary>Bar</summary>
 226   <description>Bar</description>
 227   <implementation version='1.0' id='sha1=123'>
 228     <archive href='foo' size='10'/>
 229   </implementation>
 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 = iface_cache.iface_cache.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 testNoLocal(self):
 255                 self.cache_iface(foo_iface_uri,
 256 """<?xml version="1.0" ?>
 257 <interface last-modified="1110752708"
 258  uri="%s"
 259  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 260   <name>Foo</name>
 261   <summary>Foo</summary>
 262   <description>Foo</description>
 263   <feed src='/etc/passwd'/>
 264 </interface>""" % foo_iface_uri)
 265                 policy = autopolicy.AutoPolicy(foo_iface_uri,
 266                                                 download_only = False)
 267                 policy.network_use = model.network_offline
 268                 try:
 269                         iface_cache.iface_cache.get_interface(foo_iface_uri)
 270                         assert False
 271                 except reader.InvalidInterface, ex:
 272                         assert 'Invalid feed URL' in str(ex)
 273
 274         def testDLfeed(self):
 275                 self.cache_iface(foo_iface_uri,
 276 """<?xml version="1.0" ?>
 277 <interface last-modified="1110752708"
 278  uri="%s"
 279  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 280   <name>Foo</name>
 281   <summary>Foo</summary>
 282   <description>Foo</description>
 283   <feed src='http://example.com'/>
 284 </interface>""" % foo_iface_uri)
 285                 policy = autopolicy.AutoPolicy(foo_iface_uri, dry_run = True)
 286                 policy.network_use = model.network_full
 287                 policy.freshness = 0
 288
 289                 try:
 290                         policy.recalculate()
 291                         assert False
 292                 except NeedDownload, ex:
 293                         pass
 294
 295                 feed = iface_cache.iface_cache.get_feed(foo_iface_uri)
 296                 feed.feeds = [model.Feed('/BadFeed', None, False)]
 297
 298                 logger.setLevel(logging.ERROR)
 299                 policy.recalculate()    # Triggers warning
 300                 logger.setLevel(logging.WARN)
 301
 302         def testBestUnusable(self):
 303                 self.cache_iface(foo_iface_uri,
 304 """<?xml version="1.0" ?>
 305 <interface last-modified="1110752708"
 306  uri="%s"
 307  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 308   <name>Foo</name>
 309   <summary>Foo</summary>
 310   <description>Foo</description>
 311   <implementation id='sha1=123' version='1.0' arch='odd-weird'/>
 312 </interface>""" % foo_iface_uri)
 313                 policy = autopolicy.AutoPolicy(foo_iface_uri,
 314                                                 download_only = False)
 315                 policy.network_use = model.network_offline
 316                 policy.recalculate()
 317                 assert not policy.ready, policy.implementation
 318                 try:
 319                         policy.download_and_execute([])
 320                         assert False
 321                 except model.SafeException, ex:
 322                         assert "Can't find all required implementations" in str(ex)
 323
 324         def testNoArchives(self):
 325                 self.cache_iface(foo_iface_uri,
 326 """<?xml version="1.0" ?>
 327 <interface last-modified="1110752708"
 328  uri="%s"
 329  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 330   <name>Foo</name>
 331   <summary>Foo</summary>
 332   <description>Foo</description>
 333   <implementation id='sha1=123' version='1.0'/>
 334 </interface>""" % foo_iface_uri)
 335                 policy = autopolicy.AutoPolicy(foo_iface_uri,
 336                                                 download_only = False)
 337                 policy.freshness = 0
 338                 policy.recalculate()
 339                 assert not policy.ready
 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       <archive href='foo' size='10'/>
 354     </implementation>
 355   </group>
 356 </interface>""" % (foo_iface_uri, foo_iface_uri))
 357                 policy = autopolicy.AutoPolicy(foo_iface_uri,
 358                                                 download_only = False)
 359                 policy.freshness = 0
 360                 policy.recalculate()
 361
 362         def testConstraints(self):
 363                 self.cache_iface('http://bar',
 364 """<?xml version="1.0" ?>
 365 <interface last-modified="1110752708"
 366  uri="http://bar"
 367  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 368   <name>Bar</name>
 369   <summary>Bar</summary>
 370   <description>Bar</description>
 371   <implementation id='sha1=100' version='1.0'>
 372     <archive href='foo' size='10'/>
 373   </implementation>
 374   <implementation id='sha1=150' stability='developer' version='1.5'>
 375     <archive href='foo' size='10'/>
 376   </implementation>
 377   <implementation id='sha1=200' version='2.0'>
 378     <archive href='foo' size='10'/>
 379   </implementation>
 380 </interface>""")
 381                 self.cache_iface(foo_iface_uri,
 382 """<?xml version="1.0" ?>
 383 <interface last-modified="1110752708"
 384  uri="%s"
 385  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 386   <name>Foo</name>
 387   <summary>Foo</summary>
 388   <description>Foo</description>
 389   <group>
 390    <requires interface='http://bar'>
 391     <version/>
 392    </requires>
 393    <implementation id='sha1=123' version='1.0'>
 394     <archive href='foo' size='10'/>
 395    </implementation>
 396   </group>
 397 </interface>""" % foo_iface_uri)
 398                 policy = autopolicy.AutoPolicy(foo_iface_uri,
 399                                                 download_only = False)
 400                 policy.network_use = model.network_full
 401                 policy.freshness = 0
 402                 #logger.setLevel(logging.DEBUG)
 403                 policy.recalculate()
 404                 #logger.setLevel(logging.WARN)
 405                 foo_iface = iface_cache.iface_cache.get_interface(foo_iface_uri)
 406                 bar_iface = iface_cache.iface_cache.get_interface('http://bar')
 407                 assert policy.implementation[bar_iface].id == 'sha1=200'
 408
 409                 dep = policy.implementation[foo_iface].dependencies['http://bar']
 410                 assert len(dep.restrictions) == 1
 411                 restriction = dep.restrictions[0]
 412
 413                 restriction.before = model.parse_version('2.0')
 414                 policy.recalculate()
 415                 assert policy.implementation[bar_iface].id == 'sha1=100'
 416
 417                 restriction.not_before = model.parse_version('1.5')
 418                 policy.recalculate()
 419                 assert policy.implementation[bar_iface].id == 'sha1=150'
 420
 421 if __name__ == '__main__':
 422         unittest.main()