tests/testlaunch.py

   1 #!/usr/bin/env python
   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 import SafeException
  12 from zeroinstall.injector.policy import Policy
  13 from zeroinstall.injector import run, cli, namespaces, qdom, selections
  14 from zeroinstall.zerostore import Store; Store._add_with_helper = lambda *unused: False
  15
  16 mydir = os.path.abspath(os.path.dirname(__file__))
  17
  18 class SilenceLogger(logging.Filter):
  19         def filter(self, record):
  20                 return 0
  21 silenceLogger = SilenceLogger()
  22
  23 class TestLaunch(BaseTest):
  24         def run_0launch(self, args):
  25                 old_stdout = sys.stdout
  26                 old_stderr = sys.stderr
  27                 try:
  28                         sys.stdout = StringIO()
  29                         sys.stderr = StringIO()
  30                         ex = None
  31                         try:
  32                                 cli.main(args)
  33                                 print "Finished"
  34                         except NameError:
  35                                 raise
  36                         except SystemExit:
  37                                 pass
  38                         except TypeError:
  39                                 raise
  40                         except AttributeError:
  41                                 raise
  42                         except AssertionError:
  43                                 raise
  44                         except Exception, ex:
  45                                 pass
  46                         out = sys.stdout.getvalue()
  47                         err = sys.stderr.getvalue()
  48                         if ex is not None:
  49                                 err += str(ex.__class__)
  50                 finally:
  51                         sys.stdout = old_stdout
  52                         sys.stderr = old_stderr
  53                 return (out, err)
  54
  55         def testHelp(self):
  56                 out, err = self.run_0launch([])
  57                 assert out.lower().startswith("usage:")
  58                 assert not err
  59
  60         def testList(self):
  61                 out, err = self.run_0launch(['--list'])
  62                 assert not err
  63                 self.assertEquals("Finished\n", out)
  64                 cached_ifaces = os.path.join(self.cache_home,
  65                                         '0install.net', 'interfaces')
  66
  67                 os.makedirs(cached_ifaces)
  68                 file(os.path.join(cached_ifaces, 'file%3a%2f%2ffoo'), 'w').close()
  69
  70                 out, err = self.run_0launch(['--list'])
  71                 assert not err
  72                 self.assertEquals("file://foo\nFinished\n", out)
  73
  74                 out, err = self.run_0launch(['--list', 'foo'])
  75                 assert not err
  76                 self.assertEquals("file://foo\nFinished\n", out)
  77
  78                 out, err = self.run_0launch(['--list', 'bar'])
  79                 assert not err
  80                 self.assertEquals("Finished\n", out)
  81
  82                 out, err = self.run_0launch(['--list', 'one', 'two'])
  83                 assert not err
  84                 assert out.lower().startswith("usage:")
  85
  86         def testVersion(self):
  87                 out, err = self.run_0launch(['--version'])
  88                 assert not err
  89                 assert out.startswith("0launch (zero-install)")
  90
  91         def testInvalid(self):
  92                 a = tempfile.NamedTemporaryFile()
  93                 out, err = self.run_0launch(['-q', a.name])
  94                 assert err
  95
  96         def testOK(self):
  97                 out, err = self.run_0launch(['--dry-run', 'http://foo/d'])
  98                 self.assertEquals("Would download 'http://foo/d'\nFinished\n", out)
  99                 self.assertEquals("", err)
 100
 101         def testRun(self):
 102                 out, err = self.run_0launch(['Local.xml'])
 103                 self.assertEquals("", out)
 104                 assert "test-echo' does not exist" in err, err
 105
 106         def testAbsMain(self):
 107                 tmp = tempfile.NamedTemporaryFile(prefix = 'test-')
 108                 tmp.write(
 109 """<?xml version="1.0" ?>
 110 <interface last-modified="1110752708"
 111  uri="%s"
 112  xmlns="http://zero-install.sourceforge.net/2004/injector/interface">
 113   <name>Foo</name>
 114   <summary>Foo</summary>
 115   <description>Foo</description>
 116   <group main='/bin/sh'>
 117    <implementation id='.' version='1'/>
 118   </group>
 119 </interface>""" % foo_iface_uri)
 120                 tmp.flush()
 121                 policy = Policy(tmp.name, config = self.config)
 122                 try:
 123                         downloaded = policy.solve_and_download_impls()
 124                         if downloaded:
 125                                 policy.handler.wait_for_blocker(downloaded)
 126                         run.execute_selections(policy.solver.selections, [], stores = policy.config.stores)
 127                         assert False
 128                 except SafeException, ex:
 129                         assert 'Command path must be relative' in str(ex), ex
 130
 131         def testOffline(self):
 132                 out, err = self.run_0launch(['--offline', 'http://foo/d'])
 133                 self.assertEquals("Interface 'http://foo/d' has no usable implementations\n", err)
 134                 self.assertEquals("", out)
 135
 136         def testDisplay(self):
 137                 os.environ['DISPLAY'] = ':foo'
 138                 out, err = self.run_0launch(['--dry-run', 'http://foo/d'])
 139                 # Uses local copy of GUI
 140                 assert out.startswith("Would execute: ")
 141                 assert 'basetest.py' in out
 142                 self.assertEquals("", err)
 143
 144                 del os.environ['DISPLAY']
 145                 out, err = self.run_0launch(['--gui', '--dry-run'])
 146                 self.assertEquals("", err)
 147                 self.assertEquals("Finished\n", out)
 148
 149         def testRefreshDisplay(self):
 150                 os.environ['DISPLAY'] = ':foo'
 151                 out, err = self.run_0launch(['--dry-run', '--refresh', 'http://foo/d'])
 152                 assert out.startswith("Would execute: ")
 153                 assert 'basetest.py' in out
 154                 self.assertEquals("", err)
 155
 156         def testNeedDownload(self):
 157                 os.environ['DISPLAY'] = ':foo'
 158                 out, err = self.run_0launch(['--download-only', '--dry-run', 'Foo.xml'])
 159                 self.assertEquals("", err)
 160                 self.assertEquals("Finished\n", out)
 161
 162         def testSelectOnly(self):
 163                 os.environ['DISPLAY'] = ':foo'
 164                 out, err = self.run_0launch(['--get-selections', '--select-only', 'Hello.xml'])
 165                 self.assertEquals("", err)
 166
 167                 assert out.endswith("Finished\n")
 168                 out = out[:-len("Finished\n")]
 169
 170                 root = qdom.parse(StringIO(str(out)))
 171                 self.assertEquals(namespaces.XMLNS_IFACE, root.uri)
 172                 sels = selections.Selections(root)
 173                 sel,= sels.selections.values()
 174                 self.assertEquals("sha1=3ce644dc725f1d21cfcf02562c76f375944b266a", sel.id)
 175
 176         def testHello(self):
 177                 out, err = self.run_0launch(['--dry-run', 'Foo.xml'])
 178                 self.assertEquals("", err)
 179                 assert out.startswith("Would execute: ")
 180
 181                 out, err = self.run_0launch(['Foo.xml'])
 182                 # (Foo.xml tries to run a directory; plash gives a different error)
 183                 assert "Permission denied" in err or "Is a directory" in err
 184
 185         def testSource(self):
 186                 out, err = self.run_0launch(['--dry-run', '--source', 'Source.xml'])
 187                 self.assertEquals("", err)
 188                 assert 'Compiler.xml' in out
 189
 190         def testRanges(self):
 191                 out, err = self.run_0launch(['--get-selections', '--before=1', '--not-before=0.2', 'Foo.xml'])
 192                 assert 'tests/rpm' in out, out
 193                 self.assertEquals("", err)
 194
 195         def testLogging(self):
 196                 log = logging.getLogger()
 197                 log.addFilter(silenceLogger)
 198
 199                 out, err = self.run_0launch(['-v', '--list', 'UNKNOWN'])
 200                 self.assertEquals(logging.INFO, log.level)
 201
 202                 out, err = self.run_0launch(['-vv', '--version'])
 203                 self.assertEquals(logging.DEBUG, log.level)
 204
 205                 log.removeFilter(silenceLogger)
 206                 log.setLevel(logging.WARN)
 207
 208         def testHelp2(self):
 209                 out, err = self.run_0launch(['--help'])
 210                 self.assertEquals("", err)
 211                 assert 'options:' in out.lower()
 212
 213                 out, err = self.run_0launch([])
 214                 self.assertEquals("", err)
 215                 assert 'options:' in out.lower()
 216
 217         def testBadFD(self):
 218                 copy = os.dup(1)
 219                 try:
 220                         os.close(1)
 221                         cli.main(['--list', 'UNKNOWN'])
 222                 finally:
 223                         os.dup2(copy, 1)
 224
 225         def testShow(self):
 226                 command_feed = os.path.join(mydir, 'Command.xml')
 227                 out, err = self.run_0launch(['--show', command_feed])
 228                 self.assertEquals("", err)
 229                 assert 'Local.xml' in out, out
 230
 231 if __name__ == '__main__':
 232         unittest.main()