tests/testlaunch.py

   1 #!/usr/bin/env python2.4
   2 from basetest import BaseTest
   3 import sys, tempfile, os
   4 from StringIO import StringIO
   5 import unittest
   6 import logging
   7
   8 foo_iface_uri = 'http://foo'
   9
  10 sys.path.insert(0, '..')
  11 from zeroinstall.injector import autopolicy, model, cli
  12 from zeroinstall.zerostore import Store; Store._add_with_helper = lambda *unused: False
  13 from zeroinstall.support import basedir
  14
  15 class SilenceLogger(logging.Filter):
  16         def filter(self, record):
  17                 return 0
  18 silenceLogger = SilenceLogger()
  19
  20 class TestLaunch(BaseTest):
  21         def run_0launch(self, args):
  22                 old_stdout = sys.stdout
  23                 old_stderr = sys.stderr
  24                 try:
  25                         sys.stdout = StringIO()
  26                         sys.stderr = StringIO()
  27                         ex = None
  28                         try:
  29                                 cli.main(args)
  30                                 print "Finished"
  31                         except NameError:
  32                                 raise
  33                         except SystemExit:
  34                                 pass
  35                         except TypeError:
  36                                 raise
  37                         except AttributeError:
  38                                 raise
  39                         except AssertionError:
  40                                 raise
  41                         except Exception, ex:
  42                                 pass
  43                         out = sys.stdout.getvalue()
  44                         err = sys.stderr.getvalue()
  45                         if ex is not None:
  46                                 err += str(ex.__class__)
  47                 finally:
  48                         sys.stdout = old_stdout
  49                         sys.stderr = old_stderr
  50                 return (out, err)
  51
  52         def testHelp(self):
  53                 out, err = self.run_0launch([])
  54                 assert out.lower().startswith("usage:")
  55                 assert not err
  56
  57         def testList(self):
  58                 out, err = self.run_0launch(['--list'])
  59                 assert not err
  60                 self.assertEquals("Finished\n", out)
  61                 cached_ifaces = os.path.join(self.cache_home,
  62                                         '0install.net', 'interfaces')
  63
  64                 os.makedirs(cached_ifaces)
  65                 file(os.path.join(cached_ifaces, 'file%3a%2f%2ffoo'), 'w').close()
  66
  67                 out, err = self.run_0launch(['--list'])
  68                 assert not err
  69                 self.assertEquals("file://foo\nFinished\n", out)
  70
  71                 out, err = self.run_0launch(['--list', 'foo'])
  72                 assert not err
  73                 self.assertEquals("file://foo\nFinished\n", out)
  74
  75                 out, err = self.run_0launch(['--list', 'bar'])
  76                 assert not err
  77                 self.assertEquals("Finished\n", out)
  78
  79                 out, err = self.run_0launch(['--list', 'one', 'two'])
  80                 assert not err
  81                 assert out.lower().startswith("usage:")
  82
  83         def testVersion(self):
  84                 out, err = self.run_0launch(['--version'])
  85                 assert not err
  86                 assert out.startswith("0launch (zero-install)")
  87
  88         def testInvalid(self):
  89                 a = tempfile.NamedTemporaryFile()
  90                 out, err = self.run_0launch(['-q', a.name])
  91                 assert err
  92
  93         def testOK(self):
  94                 out, err = self.run_0launch(['--dry-run', 'http://foo/d'])
  95                 self.assertEquals("Would download 'http://foo/d'\nFinished\n", out)
  96                 self.assertEquals("", err)
  97
  98         def testOffline(self):
  99                 out, err = self.run_0launch(['--offline', 'http://foo/d'])
 100                 self.assertEquals("Can't find all required implementations:\n- <Interface http://foo/d> -> None\n", err)
 101                 self.assertEquals("", out)
 102
 103         def testDisplay(self):
 104                 os.environ['DISPLAY'] = ':foo'
 105                 out, err = self.run_0launch(['--dry-run', 'http://foo/d'])
 106                 # Uses local copy of GUI
 107                 assert out.startswith("Would execute: ")
 108                 assert 'basetest.py' in out
 109                 self.assertEquals("", err)
 110
 111                 del os.environ['DISPLAY']
 112                 out, err = self.run_0launch(['--gui', '--dry-run'])
 113                 self.assertEquals("", err)
 114                 self.assertEquals("Finished\n", out)
 115
 116         def testRefreshDisplay(self):
 117                 os.environ['DISPLAY'] = ':foo'
 118                 out, err = self.run_0launch(['--dry-run', '--refresh', 'http://foo/d'])
 119                 assert out.startswith("Would execute: ")
 120                 assert 'basetest.py' in out
 121                 self.assertEquals("", err)
 122
 123         def testNeedDownload(self):
 124                 policy = autopolicy.AutoPolicy(foo_iface_uri)
 125                 policy.save_config()
 126                 os.environ['DISPLAY'] = ':foo'
 127                 out, err = self.run_0launch(['--download-only', '--dry-run', 'Foo.xml'])
 128                 self.assertEquals("", err)
 129                 self.assertEquals("Finished\n", out)
 130
 131         def testHello(self):
 132                 out, err = self.run_0launch(['--dry-run', 'Foo.xml'])
 133                 self.assertEquals("", err)
 134                 assert out.startswith("Would execute: ")
 135
 136                 out, err = self.run_0launch(['Foo.xml'])
 137                 # (Foo.xml tries to run a directory; plash gives a different error)
 138                 assert "Permission denied" in err or "Is a directory" in err
 139
 140         def testSource(self):
 141                 out, err = self.run_0launch(['--dry-run', '--source', 'Source.xml'])
 142                 self.assertEquals("", err)
 143                 assert 'Compiler.xml' in out
 144
 145         def testRanges(self):
 146                 out, err = self.run_0launch(['--dry-run', '--before=1', '--not-before=0.2', 'Foo.xml'])
 147                 assert 'tests/two' in err, err
 148                 self.assertEquals("", out)
 149
 150         def testLogging(self):
 151                 log = logging.getLogger()
 152                 log.addFilter(silenceLogger)
 153
 154                 out, err = self.run_0launch(['-v', '--list', 'UNKNOWN'])
 155                 self.assertEquals(logging.INFO, log.level)
 156
 157                 out, err = self.run_0launch(['-vv', '--version'])
 158                 self.assertEquals(logging.DEBUG, log.level)
 159
 160                 log.removeFilter(silenceLogger)
 161                 log.setLevel(logging.WARN)
 162
 163         def testHelp2(self):
 164                 out, err = self.run_0launch(['--help'])
 165                 self.assertEquals("", err)
 166                 assert 'options:' in out.lower()
 167
 168                 out, err = self.run_0launch([])
 169                 self.assertEquals("", err)
 170                 assert 'options:' in out.lower()
 171
 172         def testBadFD(self):
 173                 copy = os.dup(1)
 174                 try:
 175                         os.close(1)
 176                         cli.main(['--list', 'UNKNOWN'])
 177                 finally:
 178                         os.dup2(copy, 1)
 179
 180 suite = unittest.makeSuite(TestLaunch)
 181 if __name__ == '__main__':
 182         sys.argv.append('-v')
 183         unittest.main()