tests/testsolver.py

   1 #!/usr/bin/env python
   2 from basetest import BaseTest
   3 import sys, os, locale
   4 import unittest
   5
   6 sys.path.insert(0, '..')
   7 from zeroinstall.zerostore import Stores
   8 from zeroinstall.injector import solver, reader, arch, model
   9 from zeroinstall.injector.iface_cache import iface_cache
  10
  11 import logging
  12 logger = logging.getLogger()
  13 #logger.setLevel(logging.DEBUG)
  14
  15 class TestSolver(BaseTest):
  16         def testSimple(self):
  17                 s = solver.DefaultSolver(model.network_full, iface_cache, Stores())
  18
  19                 foo = iface_cache.get_interface('http://foo/Binary.xml')
  20                 reader.update(foo, 'Binary.xml')
  21                 foo_src = iface_cache.get_interface('http://foo/Source.xml')
  22                 reader.update(foo_src, 'Source.xml')
  23                 compiler = iface_cache.get_interface('http://foo/Compiler.xml')
  24                 reader.update(compiler, 'Compiler.xml')
  25
  26                 binary_arch = arch.Architecture({None: 1}, {None: 1})
  27                 assert str(binary_arch).startswith("<Arch")
  28                 s.solve('http://foo/Binary.xml', binary_arch)
  29
  30                 assert s.ready
  31                 assert s.feeds_used == set([foo.uri]), s.feeds_used
  32                 assert s.selections[foo].id == 'sha1=123'
  33
  34                 # Now ask for source instead
  35                 s.solve('http://foo/Binary.xml',
  36                                 arch.SourceArchitecture(binary_arch))
  37                 assert s.ready
  38                 assert s.feeds_used == set([foo.uri, foo_src.uri, compiler.uri]), s.feeds_used
  39                 assert s.selections[foo].id == 'sha1=234'               # The source
  40                 assert s.selections[compiler].id == 'sha1=345'  # A binary needed to compile it
  41
  42                 assert not s.details
  43
  44         def testDetails(self):
  45                 s = solver.DefaultSolver(model.network_full, iface_cache, Stores())
  46
  47                 foo = iface_cache.get_interface('http://foo/Binary.xml')
  48                 reader.update(foo, 'Binary.xml')
  49                 foo_src = iface_cache.get_interface('http://foo/Source.xml')
  50                 reader.update(foo_src, 'Source.xml')
  51                 compiler = iface_cache.get_interface('http://foo/Compiler.xml')
  52                 reader.update(compiler, 'Compiler.xml')
  53
  54                 binary_arch = arch.Architecture({None: 1}, {None: 1})
  55                 s.record_details = True
  56                 s.solve('http://foo/Binary.xml', arch.SourceArchitecture(binary_arch))
  57                 assert s.ready
  58
  59                 foo_src_impls = iface_cache.get_feed(foo_src.uri).implementations
  60                 foo_impls = iface_cache.get_feed(foo.uri).implementations
  61                 compiler_impls = iface_cache.get_feed(compiler.uri).implementations
  62
  63                 assert len(s.details) == 2
  64                 self.assertEquals([(foo_src_impls['sha1=234'], None),
  65                                    (foo_impls['sha1=123'], 'Unsupported machine type')],
  66                                    sorted(s.details[foo]))
  67                 assert s.details[compiler] == [(compiler_impls['sha1=345'], None)]
  68
  69         def testRecursive(self):
  70                 s = solver.DefaultSolver(model.network_full, iface_cache, Stores())
  71
  72                 foo = iface_cache.get_interface('http://foo/Recursive.xml')
  73                 reader.update(foo, 'Recursive.xml')
  74
  75                 binary_arch = arch.Architecture({None: 1}, {None: 1})
  76                 s.record_details = True
  77                 s.solve('http://foo/Recursive.xml', binary_arch)
  78                 assert s.ready
  79
  80                 foo_impls = iface_cache.get_feed(foo.uri).implementations
  81
  82                 assert len(s.details) == 1
  83                 assert s.details[foo] == [(foo_impls['sha1=abc'], None)]
  84
  85         def testMultiArch(self):
  86                 s = solver.DefaultSolver(model.network_full, iface_cache, Stores())
  87
  88                 foo = iface_cache.get_interface('http://foo/MultiArch.xml')
  89                 reader.update(foo, 'MultiArch.xml')
  90                 lib = iface_cache.get_interface('http://foo/MultiArchLib.xml')
  91                 reader.update(lib, 'MultiArchLib.xml')
  92
  93                 # On an i686 system we can only use the i486 implementation
  94
  95                 binary_arch = arch.get_architecture('Linux', 'i686')
  96                 s.solve('http://foo/MultiArch.xml', binary_arch)
  97                 assert s.ready
  98                 assert s.selections[foo].machine == 'i486'
  99                 assert s.selections[lib].machine == 'i486'
 100
 101                 # On an 64 bit system we could use either, but we prefer the 64
 102                 # bit implementation. The i486 version of the library is newer,
 103                 # but we must pick one that is compatible with the main binary.
 104
 105                 binary_arch = arch.get_architecture('Linux', 'x86_64')
 106                 s.solve('http://foo/MultiArch.xml', binary_arch)
 107                 assert s.ready
 108                 assert s.selections[foo].machine == 'x86_64'
 109                 assert s.selections[lib].machine == 'x86_64'
 110
 111         def testArch(self):
 112                 host_arch = arch.get_host_architecture()
 113                 host_arch2 = arch.get_architecture(None, None)
 114                 self.assertEquals(host_arch.os_ranks, host_arch2.os_ranks)
 115                 self.assertEquals(host_arch.machine_ranks, host_arch2.machine_ranks)
 116
 117                 other = arch.get_architecture('FooBar', 'i486')
 118                 self.assertEquals(2, len(other.os_ranks))
 119
 120                 assert 'FooBar' in other.os_ranks
 121                 assert None in other.os_ranks
 122                 assert 'i486' in other.machine_ranks
 123                 assert 'ppc' not in other.machine_ranks
 124
 125         def testRanking(self):
 126                 s = solver.DefaultSolver(model.network_full, iface_cache, Stores())
 127                 ranking = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'Ranking.xml')
 128                 iface = iface_cache.get_interface(ranking)
 129
 130                 binary_arch = arch.get_architecture('Linux', 'x86_64')
 131                 selected = []
 132                 while True:
 133                         s.solve(ranking, binary_arch)
 134                         if not s.ready:
 135                                 break
 136                         impl = s.selections[iface]
 137                         selected.append(impl.get_version() + ' ' + impl.arch)
 138                         impl.arch = 'Foo-odd'           # prevent reselection
 139                 self.assertEquals([
 140                         '0.2 Linux-i386',       # poor arch, but newest version
 141                         '0.1 Linux-x86_64',     # 64-bit is best match for host arch
 142                         '0.1 Linux-i686', '0.1 Linux-i586', '0.1 Linux-i486'],  # ordering of x86 versions
 143                         selected)
 144
 145         def testLangs(self):
 146                 try:
 147                         locale.setlocale(locale.LC_ALL, 'en_US.UTF-8')
 148
 149                         s = solver.DefaultSolver(model.network_full, iface_cache, Stores())
 150                         iface = iface_cache.get_interface('http://foo/Langs.xml')
 151                         reader.update(iface, 'Langs.xml')
 152
 153                         # 1 is the oldest, but the only one in our language
 154                         binary_arch = arch.get_architecture(None, 'arch_1')
 155                         s.solve('http://foo/Langs.xml', binary_arch)
 156                         assert s.ready
 157                         self.assertEquals('sha1=1', s.selections[iface].id)
 158
 159                         # 6 is the newest, and close enough, even though not
 160                         # quite the right locale
 161                         binary_arch = arch.get_architecture(None, 'arch_2')
 162                         s.solve('http://foo/Langs.xml', binary_arch)
 163                         assert s.ready
 164                         self.assertEquals('sha1=6', s.selections[iface].id)
 165
 166                         # 9 is the newest, although 7 is a closer match
 167                         binary_arch = arch.get_architecture(None, 'arch_3')
 168                         s.solve('http://foo/Langs.xml', binary_arch)
 169                         assert s.ready
 170                         self.assertEquals('sha1=9', s.selections[iface].id)
 171
 172                         # 11 is the newest we understand
 173                         binary_arch = arch.get_architecture(None, 'arch_4')
 174                         s.solve('http://foo/Langs.xml', binary_arch)
 175                         assert s.ready
 176                         self.assertEquals('sha1=11', s.selections[iface].id)
 177
 178                         # 13 is the newest we understand
 179                         binary_arch = arch.get_architecture(None, 'arch_5')
 180                         s.solve('http://foo/Langs.xml', binary_arch)
 181                         assert s.ready
 182                         self.assertEquals('sha1=13', s.selections[iface].id)
 183
 184                         def check(target_arch, langs, expected):
 185                                 s.langs = langs
 186                                 binary_arch = arch.get_architecture(None, target_arch)
 187                                 s.solve('http://foo/Langs.xml', binary_arch)
 188                                 assert s.ready
 189                                 self.assertEquals(expected, s.selections[iface].id)
 190
 191                         # We don't understand any, so pick the newest
 192                         check('arch_2', ['es_ES'], 'sha1=6')
 193
 194                         # These two have the same version number. Choose the
 195                         # one most appropriate to our country
 196                         check('arch_6', ['zh_CN'], 'sha1=15')
 197                         check('arch_6', ['zh_TW'], 'sha1=16')
 198
 199                         # Same, but one doesn't have a country code
 200                         check('arch_7', ['bn'], 'sha1=17')
 201                         check('arch_7', ['bn_IN'], 'sha1=18')
 202                 finally:
 203                         locale.setlocale(locale.LC_ALL, '')
 204
 205 if __name__ == '__main__':
 206         unittest.main()