tests/testsolver.py

   1 #!/usr/bin/env python
   2 from basetest import BaseTest
   3 import sys, os, locale
   4 import ConfigParser
   5 import unittest
   6
   7 sys.path.insert(0, '..')
   8 from zeroinstall.zerostore import Stores
   9 from zeroinstall.injector import solver, reader, arch, model
  10
  11 import logging
  12 logger = logging.getLogger()
  13 #logger.setLevel(logging.DEBUG)
  14
  15 class TestSolver(BaseTest):
  16         def testSimple(self):
  17                 iface_cache = self.config.iface_cache
  18                 s = solver.DefaultSolver(self.config)
  19
  20                 foo = iface_cache.get_interface('http://foo/Binary.xml')
  21                 reader.update(foo, 'Binary.xml')
  22                 foo_src = iface_cache.get_interface('http://foo/Source.xml')
  23                 reader.update(foo_src, 'Source.xml')
  24                 compiler = iface_cache.get_interface('http://foo/Compiler.xml')
  25                 reader.update(compiler, 'Compiler.xml')
  26
  27                 binary_arch = arch.Architecture({None: 1}, {None: 1})
  28                 assert str(binary_arch).startswith("<Arch")
  29                 s.solve('http://foo/Binary.xml', binary_arch)
  30
  31                 assert s.ready
  32                 assert s.feeds_used == set([foo.uri]), s.feeds_used
  33                 assert s.selections[foo].id == 'sha1=123'
  34
  35                 # Now ask for source instead
  36                 s.solve('http://foo/Binary.xml',
  37                                 arch.SourceArchitecture(binary_arch),
  38                                 command_name = 'compile')
  39                 assert s.ready, s.get_failure_reason()
  40                 assert s.feeds_used == set([foo.uri, foo_src.uri, compiler.uri]), s.feeds_used
  41                 assert s.selections[foo].id == 'sha1=234'               # The source
  42                 assert s.selections[compiler].id == 'sha1=345'  # A binary needed to compile it
  43
  44                 assert not s.details
  45
  46         def testDetails(self):
  47                 iface_cache = self.config.iface_cache
  48                 s = solver.DefaultSolver(self.config)
  49
  50                 foo = iface_cache.get_interface('http://foo/Binary.xml')
  51                 reader.update(foo, 'Binary.xml')
  52                 foo_src = iface_cache.get_interface('http://foo/Source.xml')
  53                 reader.update(foo_src, 'Source.xml')
  54                 compiler = iface_cache.get_interface('http://foo/Compiler.xml')
  55                 reader.update(compiler, 'Compiler.xml')
  56
  57                 binary_arch = arch.Architecture({None: 1}, {None: 1})
  58                 s.record_details = True
  59                 s.solve('http://foo/Binary.xml', arch.SourceArchitecture(binary_arch), command_name = 'compile')
  60                 assert s.ready, s.get_failure_reason()
  61
  62                 foo_src_impls = iface_cache.get_feed(foo_src.uri).implementations
  63                 foo_impls = iface_cache.get_feed(foo.uri).implementations
  64                 compiler_impls = iface_cache.get_feed(compiler.uri).implementations
  65
  66                 assert len(s.details) == 2
  67                 self.assertEquals([(foo_src_impls['sha1=234'], None),
  68                                    (foo_impls['sha1=123'], 'Unsupported machine type')],
  69                                    sorted(s.details[foo]))
  70                 assert s.details[compiler] == [(compiler_impls['sha1=345'], None)]
  71
  72         def testRecursive(self):
  73                 iface_cache = self.config.iface_cache
  74                 s = solver.DefaultSolver(self.config)
  75
  76                 foo = iface_cache.get_interface('http://foo/Recursive.xml')
  77                 reader.update(foo, 'Recursive.xml')
  78
  79                 binary_arch = arch.Architecture({None: 1}, {None: 1})
  80                 s.record_details = True
  81                 s.solve('http://foo/Recursive.xml', binary_arch)
  82                 assert s.ready
  83
  84                 foo_impls = iface_cache.get_feed(foo.uri).implementations
  85
  86                 assert len(s.details) == 1
  87                 assert s.details[foo] == [(foo_impls['sha1=abc'], None)]
  88
  89         def testMultiArch(self):
  90                 iface_cache = self.config.iface_cache
  91                 s = solver.DefaultSolver(self.config)
  92
  93                 foo = iface_cache.get_interface('http://foo/MultiArch.xml')
  94                 reader.update(foo, 'MultiArch.xml')
  95                 lib = iface_cache.get_interface('http://foo/MultiArchLib.xml')
  96                 reader.update(lib, 'MultiArchLib.xml')
  97
  98                 # On an i686 system we can only use the i486 implementation
  99
 100                 binary_arch = arch.get_architecture('Linux', 'i686')
 101                 s.solve('http://foo/MultiArch.xml', binary_arch)
 102                 assert s.ready
 103                 assert s.selections[foo].machine == 'i486'
 104                 assert s.selections[lib].machine == 'i486'
 105
 106                 # On an 64 bit system we could use either, but we prefer the 64
 107                 # bit implementation. The i486 version of the library is newer,
 108                 # but we must pick one that is compatible with the main binary.
 109
 110                 binary_arch = arch.get_architecture('Linux', 'x86_64')
 111                 s.solve('http://foo/MultiArch.xml', binary_arch)
 112                 assert s.ready
 113                 assert s.selections[foo].machine == 'x86_64'
 114                 assert s.selections[lib].machine == 'x86_64'
 115
 116         def testArch(self):
 117                 host_arch = arch.get_host_architecture()
 118                 host_arch2 = arch.get_architecture(None, None)
 119                 self.assertEquals(host_arch.os_ranks, host_arch2.os_ranks)
 120                 self.assertEquals(host_arch.machine_ranks, host_arch2.machine_ranks)
 121
 122                 other = arch.get_architecture('FooBar', 'i486')
 123                 self.assertEquals(2, len(other.os_ranks))
 124
 125                 assert 'FooBar' in other.os_ranks
 126                 assert None in other.os_ranks
 127                 assert 'i486' in other.machine_ranks
 128                 assert 'ppc' not in other.machine_ranks
 129
 130         def testRanking(self):
 131                 iface_cache = self.config.iface_cache
 132                 s = solver.DefaultSolver(self.config)
 133                 ranking = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'Ranking.xml')
 134                 iface = iface_cache.get_interface(ranking)
 135
 136                 binary_arch = arch.get_architecture('Linux', 'x86_64')
 137                 selected = []
 138                 while True:
 139                         s.solve(ranking, binary_arch)
 140                         if not s.ready:
 141                                 break
 142                         impl = s.selections[iface]
 143                         selected.append(impl.get_version() + ' ' + impl.arch)
 144                         impl.arch = 'Foo-odd'           # prevent reselection
 145                 self.assertEquals([
 146                         '0.2 Linux-i386',       # poor arch, but newest version
 147                         '0.1 Linux-x86_64',     # 64-bit is best match for host arch
 148                         '0.1 Linux-i686', '0.1 Linux-i586', '0.1 Linux-i486'],  # ordering of x86 versions
 149                         selected)
 150
 151         def testLangs(self):
 152                 iface_cache = self.config.iface_cache
 153                 try:
 154                         locale.setlocale(locale.LC_ALL, 'en_US.UTF-8')
 155
 156                         s = solver.DefaultSolver(self.config)
 157                         iface = iface_cache.get_interface('http://foo/Langs.xml')
 158                         reader.update(iface, 'Langs.xml')
 159
 160                         # 1 is the oldest, but the only one in our language
 161                         binary_arch = arch.get_architecture(None, 'arch_1')
 162                         s.solve('http://foo/Langs.xml', binary_arch)
 163                         assert s.ready
 164                         self.assertEquals('sha1=1', s.selections[iface].id)
 165
 166                         # 6 is the newest, and close enough, even though not
 167                         # quite the right locale
 168                         binary_arch = arch.get_architecture(None, 'arch_2')
 169                         s.solve('http://foo/Langs.xml', binary_arch)
 170                         assert s.ready
 171                         self.assertEquals('sha1=6', s.selections[iface].id)
 172
 173                         # 9 is the newest, although 7 is a closer match
 174                         binary_arch = arch.get_architecture(None, 'arch_3')
 175                         s.solve('http://foo/Langs.xml', binary_arch)
 176                         assert s.ready
 177                         self.assertEquals('sha1=9', s.selections[iface].id)
 178
 179                         # 11 is the newest we understand
 180                         binary_arch = arch.get_architecture(None, 'arch_4')
 181                         s.solve('http://foo/Langs.xml', binary_arch)
 182                         assert s.ready
 183                         self.assertEquals('sha1=11', s.selections[iface].id)
 184
 185                         # 13 is the newest we understand
 186                         binary_arch = arch.get_architecture(None, 'arch_5')
 187                         s.solve('http://foo/Langs.xml', binary_arch)
 188                         assert s.ready
 189                         self.assertEquals('sha1=13', s.selections[iface].id)
 190
 191                         def check(target_arch, langs, expected):
 192                                 s.langs = langs
 193                                 binary_arch = arch.get_architecture(None, target_arch)
 194                                 s.solve('http://foo/Langs.xml', binary_arch)
 195                                 assert s.ready
 196                                 self.assertEquals(expected, s.selections[iface].id)
 197
 198                         # We don't understand any, so pick the newest
 199                         check('arch_2', ['es_ES'], 'sha1=6')
 200
 201                         # These two have the same version number. Choose the
 202                         # one most appropriate to our country
 203                         check('arch_6', ['zh_CN'], 'sha1=15')
 204                         check('arch_6', ['zh_TW'], 'sha1=16')
 205
 206                         # Same, but one doesn't have a country code
 207                         check('arch_7', ['bn'], 'sha1=17')
 208                         check('arch_7', ['bn_IN'], 'sha1=18')
 209                 finally:
 210                         locale.setlocale(locale.LC_ALL, '')
 211
 212 if __name__ == '__main__':
 213         unittest.main()