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