tests/testdownload.py

   1 #!/usr/bin/env python
   2 from __future__ import with_statement
   3 from basetest import BaseTest
   4 import sys, tempfile, os
   5 from StringIO import StringIO
   6 import unittest, signal
   7 from logging import getLogger, WARN, ERROR
   8 from contextlib import contextmanager
   9
  10 sys.path.insert(0, '..')
  11
  12 os.environ["http_proxy"] = "localhost:8000"
  13
  14 from zeroinstall.injector import model, gpg, download, trust, background, arch, selections, qdom, run
  15 from zeroinstall.injector.policy import Policy
  16 from zeroinstall.zerostore import Store, NotStored; Store._add_with_helper = lambda *unused: False
  17 from zeroinstall.support import basedir, tasks
  18 from zeroinstall.injector import fetch
  19 import data
  20 import my_dbus
  21
  22 fetch.DEFAULT_KEY_LOOKUP_SERVER = 'http://localhost:3333/key-info'
  23
  24 import server
  25
  26 ran_gui = False
  27 def raise_gui(*args):
  28         global ran_gui
  29         ran_gui = True
  30 background._detach = lambda: False
  31 background._exec_gui = raise_gui
  32
  33 @contextmanager
  34 def output_suppressed():
  35         old_stdout = sys.stdout
  36         old_stderr = sys.stderr
  37         try:
  38                 sys.stdout = StringIO()
  39                 sys.stderr = StringIO()
  40                 try:
  41                         yield
  42                 except Exception:
  43                         raise
  44                 except BaseException, ex:
  45                         # Don't abort unit-tests if someone raises SystemExit
  46                         raise Exception(str(type(ex)) + " " + str(ex))
  47         finally:
  48                 sys.stdout = old_stdout
  49                 sys.stderr = old_stderr
  50
  51 class Reply:
  52         def __init__(self, reply):
  53                 self.reply = reply
  54
  55         def readline(self):
  56                 return self.reply
  57
  58 def download_and_execute(policy, prog_args, main = None):
  59         downloaded = policy.solve_and_download_impls()
  60         if downloaded:
  61                 policy.config.handler.wait_for_blocker(downloaded)
  62         run.execute_selections(policy.solver.selections, prog_args, stores = policy.config.stores, main = main)
  63
  64 class NetworkManager:
  65         def state(self):
  66                 return 3        # NM_STATUS_CONNECTED
  67
  68 class TestDownload(BaseTest):
  69         def setUp(self):
  70                 BaseTest.setUp(self)
  71
  72                 self.config.handler.allow_downloads = True
  73                 self.config.fetcher = fetch.Fetcher(self.config)
  74
  75                 stream = tempfile.TemporaryFile()
  76                 stream.write(data.thomas_key)
  77                 stream.seek(0)
  78                 gpg.import_key(stream)
  79                 self.child = None
  80
  81                 trust.trust_db.watchers = []
  82
  83         def tearDown(self):
  84                 BaseTest.tearDown(self)
  85                 if self.child is not None:
  86                         os.kill(self.child, signal.SIGTERM)
  87                         os.waitpid(self.child, 0)
  88                         self.child = None
  89
  90         def testRejectKey(self):
  91                 with output_suppressed():
  92                         self.child = server.handle_requests('Hello', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B')
  93                         policy = Policy('http://localhost:8000/Hello', config = self.config)
  94                         assert policy.need_download()
  95                         sys.stdin = Reply("N\n")
  96                         try:
  97                                 download_and_execute(policy, ['Hello'])
  98                                 assert 0
  99                         except model.SafeException, ex:
 100                                 if "has no usable implementations" not in str(ex):
 101                                         raise ex
 102                                 if "Not signed with a trusted key" not in str(policy.handler.ex):
 103                                         raise ex
 104                                 self.config.handler.ex = None
 105
 106         def testRejectKeyXML(self):
 107                 with output_suppressed():
 108                         self.child = server.handle_requests('Hello.xml', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B')
 109                         policy = Policy('http://example.com:8000/Hello.xml', config = self.config)
 110                         assert policy.need_download()
 111                         sys.stdin = Reply("N\n")
 112                         try:
 113                                 download_and_execute(policy, ['Hello'])
 114                                 assert 0
 115                         except model.SafeException, ex:
 116                                 if "has no usable implementations" not in str(ex):
 117                                         raise ex
 118                                 if "Not signed with a trusted key" not in str(policy.handler.ex):
 119                                         raise
 120                                 self.config.handler.ex = None
 121
 122         def testImport(self):
 123                 from zeroinstall.injector import cli
 124
 125                 rootLogger = getLogger()
 126                 rootLogger.disabled = True
 127                 try:
 128                         try:
 129                                 cli.main(['--import', '-v', 'NO-SUCH-FILE'])
 130                                 assert 0
 131                         except model.SafeException, ex:
 132                                 assert 'NO-SUCH-FILE' in str(ex)
 133                 finally:
 134                         rootLogger.disabled = False
 135                         rootLogger.setLevel(WARN)
 136
 137                 hello = self.config.iface_cache.get_feed('http://localhost:8000/Hello')
 138                 self.assertEquals(None, hello)
 139
 140                 with output_suppressed():
 141                         self.child = server.handle_requests('6FCF121BE2390E0B.gpg')
 142                         sys.stdin = Reply("Y\n")
 143
 144                         assert not trust.trust_db.is_trusted('DE937DD411906ACF7C263B396FCF121BE2390E0B')
 145                         cli.main(['--import', 'Hello'])
 146                         assert trust.trust_db.is_trusted('DE937DD411906ACF7C263B396FCF121BE2390E0B')
 147
 148                         # Check we imported the interface after trusting the key
 149                         hello = self.config.iface_cache.get_feed('http://localhost:8000/Hello', force = True)
 150                         self.assertEquals(1, len(hello.implementations))
 151
 152                         # Shouldn't need to prompt the second time
 153                         sys.stdin = None
 154                         cli.main(['--import', 'Hello'])
 155
 156         def testSelections(self):
 157                 from zeroinstall.injector import cli
 158                 root = qdom.parse(file("selections.xml"))
 159                 sels = selections.Selections(root)
 160                 class Options: dry_run = False
 161
 162                 with output_suppressed():
 163                         self.child = server.handle_requests('Hello.xml', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B', 'HelloWorld.tgz')
 164                         sys.stdin = Reply("Y\n")
 165                         try:
 166                                 self.config.stores.lookup_any(sels.selections['http://example.com:8000/Hello.xml'].digests)
 167                                 assert False
 168                         except NotStored:
 169                                 pass
 170                         cli.main(['--download-only', 'selections.xml'])
 171                         path = self.config.stores.lookup_any(sels.selections['http://example.com:8000/Hello.xml'].digests)
 172                         assert os.path.exists(os.path.join(path, 'HelloWorld', 'main'))
 173
 174                         assert sels.download_missing(self.config) is None
 175
 176         def testHelpers(self):
 177                 from zeroinstall import helpers
 178
 179                 with output_suppressed():
 180                         self.child = server.handle_requests('Hello.xml', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B', 'HelloWorld.tgz')
 181                         sys.stdin = Reply("Y\n")
 182                         sels = helpers.ensure_cached('http://example.com:8000/Hello.xml')
 183                         path = self.config.stores.lookup_any(sels.selections['http://example.com:8000/Hello.xml'].digests)
 184                         assert os.path.exists(os.path.join(path, 'HelloWorld', 'main'))
 185                         assert sels.download_missing(self.config) is None
 186
 187         def testSelectionsWithFeed(self):
 188                 from zeroinstall.injector import cli
 189                 root = qdom.parse(file("selections.xml"))
 190                 sels = selections.Selections(root)
 191
 192                 with output_suppressed():
 193                         self.child = server.handle_requests('Hello.xml', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B', 'HelloWorld.tgz')
 194                         sys.stdin = Reply("Y\n")
 195
 196                         self.config.handler.wait_for_blocker(self.config.fetcher.download_and_import_feed('http://example.com:8000/Hello.xml', self.config.iface_cache))
 197
 198                         cli.main(['--download-only', 'selections.xml'], config = self.config)
 199                         path = self.config.stores.lookup_any(sels.selections['http://example.com:8000/Hello.xml'].digests)
 200                         assert os.path.exists(os.path.join(path, 'HelloWorld', 'main'))
 201
 202                         assert sels.download_missing(self.config) is None
 203
 204         def testAcceptKey(self):
 205                 with output_suppressed():
 206                         self.child = server.handle_requests('Hello', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B', 'HelloWorld.tgz')
 207                         policy = Policy('http://localhost:8000/Hello', config = self.config)
 208                         assert policy.need_download()
 209                         sys.stdin = Reply("Y\n")
 210                         try:
 211                                 download_and_execute(policy, ['Hello'], main = 'Missing')
 212                                 assert 0
 213                         except model.SafeException, ex:
 214                                 if "HelloWorld/Missing" not in str(ex):
 215                                         raise
 216
 217         def testDistro(self):
 218                 with output_suppressed():
 219                         native_url = 'http://example.com:8000/Native.xml'
 220
 221                         # Initially, we don't have the feed at all...
 222                         master_feed = self.config.iface_cache.get_feed(native_url)
 223                         assert master_feed is None, master_feed
 224
 225                         trust.trust_db.trust_key('DE937DD411906ACF7C263B396FCF121BE2390E0B', 'example.com:8000')
 226                         self.child = server.handle_requests('Native.xml', '6FCF121BE2390E0B.gpg', '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B')
 227                         policy = Policy(native_url, config = self.config)
 228                         assert policy.need_download()
 229
 230                         solve = policy.solve_with_downloads()
 231                         self.config.handler.wait_for_blocker(solve)
 232                         tasks.check(solve)
 233
 234                         master_feed = self.config.iface_cache.get_feed(native_url)
 235                         assert master_feed is not None
 236                         assert master_feed.implementations == {}
 237
 238                         distro_feed_url = master_feed.get_distro_feed()
 239                         assert distro_feed_url is not None
 240                         distro_feed = self.config.iface_cache.get_feed(distro_feed_url)
 241                         assert distro_feed is not None
 242                         assert len(distro_feed.implementations) == 2, distro_feed.implementations
 243
 244         def testWrongSize(self):
 245                 with output_suppressed():
 246                         self.child = server.handle_requests('Hello-wrong-size', '6FCF121BE2390E0B.gpg',
 247                                                         '/key-info/key/DE937DD411906ACF7C263B396FCF121BE2390E0B', 'HelloWorld.tgz')
 248                         policy = Policy('http://localhost:8000/Hello-wrong-size', config = self.config)
 249                         assert policy.need_download()
 250                         sys.stdin = Reply("Y\n")
 251                         try:
 252                                 download_and_execute(policy, ['Hello'], main = 'Missing')
 253                                 assert 0
 254                         except model.SafeException, ex:
 255                                 if "Downloaded archive has incorrect size" not in str(ex):
 256                                         raise ex
 257
 258         def testRecipe(self):
 259                 old_out = sys.stdout
 260                 try:
 261                         sys.stdout = StringIO()
 262                         self.child = server.handle_requests(('HelloWorld.tar.bz2', 'dummy_1-1_all.deb'))
 263                         policy = Policy(os.path.abspath('Recipe.xml'), config = self.config)
 264                         try:
 265                                 download_and_execute(policy, [])
 266                                 assert False
 267                         except model.SafeException, ex:
 268                                 if "HelloWorld/Missing" not in str(ex):
 269                                         raise ex
 270                 finally:
 271                         sys.stdout = old_out
 272
 273         def testSymlink(self):
 274                 old_out = sys.stdout
 275                 try:
 276                         sys.stdout = StringIO()
 277                         self.child = server.handle_requests(('HelloWorld.tar.bz2', 'HelloSym.tgz'))
 278                         policy = Policy(os.path.abspath('RecipeSymlink.xml'), config = self.config)
 279                         try:
 280                                 download_and_execute(policy, [])
 281                                 assert False
 282                         except model.SafeException, ex:
 283                                 if 'Attempt to unpack dir over symlink "HelloWorld"' not in str(ex):
 284                                         raise
 285                         self.assertEquals(None, basedir.load_first_cache('0install.net', 'implementations', 'main'))
 286                 finally:
 287                         sys.stdout = old_out
 288
 289         def testAutopackage(self):
 290                 old_out = sys.stdout
 291                 try:
 292                         sys.stdout = StringIO()
 293                         self.child = server.handle_requests('HelloWorld.autopackage')
 294                         policy = Policy(os.path.abspath('Autopackage.xml'), config = self.config)
 295                         try:
 296                                 download_and_execute(policy, [])
 297                                 assert False
 298                         except model.SafeException, ex:
 299                                 if "HelloWorld/Missing" not in str(ex):
 300                                         raise
 301                 finally:
 302                         sys.stdout = old_out
 303
 304         def testRecipeFailure(self):
 305                 old_out = sys.stdout
 306                 try:
 307                         sys.stdout = StringIO()
 308                         self.child = server.handle_requests('*')
 309                         policy = Policy(os.path.abspath('Recipe.xml'), config = self.config)
 310                         try:
 311                                 download_and_execute(policy, [])
 312                                 assert False
 313                         except download.DownloadError, ex:
 314                                 if "Connection" not in str(ex):
 315                                         raise
 316                 finally:
 317                         sys.stdout = old_out
 318
 319         def testMirrors(self):
 320                 old_out = sys.stdout
 321                 try:
 322                         sys.stdout = StringIO()
 323                         getLogger().setLevel(ERROR)
 324                         trust.trust_db.trust_key('DE937DD411906ACF7C263B396FCF121BE2390E0B', 'example.com:8000')
 325                         self.child = server.handle_requests(server.Give404('/Hello.xml'), 'latest.xml', '/0mirror/keys/6FCF121BE2390E0B.gpg')
 326                         policy = Policy('http://example.com:8000/Hello.xml', config = self.config)
 327                         policy.fetcher.feed_mirror = 'http://example.com:8000/0mirror'
 328
 329                         refreshed = policy.solve_with_downloads()
 330                         policy.handler.wait_for_blocker(refreshed)
 331                         assert policy.ready
 332                 finally:
 333                         sys.stdout = old_out
 334
 335         def testReplay(self):
 336                 old_out = sys.stdout
 337                 try:
 338                         sys.stdout = StringIO()
 339                         getLogger().setLevel(ERROR)
 340                         iface = self.config.iface_cache.get_interface('http://example.com:8000/Hello.xml')
 341                         mtime = int(os.stat('Hello-new.xml').st_mtime)
 342                         self.config.iface_cache.update_feed_from_network(iface.uri, file('Hello-new.xml').read(), mtime + 10000)
 343
 344                         trust.trust_db.trust_key('DE937DD411906ACF7C263B396FCF121BE2390E0B', 'example.com:8000')
 345                         self.child = server.handle_requests(server.Give404('/Hello.xml'), 'latest.xml', '/0mirror/keys/6FCF121BE2390E0B.gpg', 'Hello.xml')
 346                         policy = Policy('http://example.com:8000/Hello.xml', config = self.config)
 347                         policy.fetcher.feed_mirror = 'http://example.com:8000/0mirror'
 348
 349                         # Update from mirror (should ignore out-of-date timestamp)
 350                         refreshed = policy.fetcher.download_and_import_feed(iface.uri, self.config.iface_cache)
 351                         policy.handler.wait_for_blocker(refreshed)
 352
 353                         # Update from upstream (should report an error)
 354                         refreshed = policy.fetcher.download_and_import_feed(iface.uri, self.config.iface_cache)
 355                         try:
 356                                 policy.handler.wait_for_blocker(refreshed)
 357                                 raise Exception("Should have been rejected!")
 358                         except model.SafeException, ex:
 359                                 assert "New feed's modification time is before old version" in str(ex)
 360
 361                         # Must finish with the newest version
 362                         self.assertEquals(1235911552, self.config.iface_cache._get_signature_date(iface.uri))
 363                 finally:
 364                         sys.stdout = old_out
 365
 366         def testBackground(self, verbose = False):
 367                 p = Policy('http://example.com:8000/Hello.xml', config = self.config)
 368                 self.import_feed(p.root, 'Hello.xml')
 369                 p.freshness = 0
 370                 p.network_use = model.network_minimal
 371                 p.solver.solve(p.root, arch.get_host_architecture())
 372                 assert p.ready, p.solver.get_failure_reason()
 373
 374                 @tasks.async
 375                 def choose_download(registed_cb, nid, actions):
 376                         try:
 377                                 assert actions == ['download', 'Download'], actions
 378                                 registed_cb(nid, 'download')
 379                         except:
 380                                 import traceback
 381                                 traceback.print_exc()
 382                         yield None
 383
 384                 global ran_gui
 385                 ran_gui = False
 386                 old_out = sys.stdout
 387                 try:
 388                         sys.stdout = StringIO()
 389                         self.child = server.handle_requests('Hello.xml', '6FCF121BE2390E0B.gpg')
 390                         my_dbus.system_services = {"org.freedesktop.NetworkManager": {"/org/freedesktop/NetworkManager": NetworkManager()}}
 391                         my_dbus.user_callback = choose_download
 392                         pid = os.getpid()
 393                         old_exit = os._exit
 394                         def my_exit(code):
 395                                 # The background handler runs in the same process
 396                                 # as the tests, so don't let it abort.
 397                                 if os.getpid() == pid:
 398                                         raise SystemExit(code)
 399                                 # But, child download processes are OK
 400                                 old_exit(code)
 401                         key_info = fetch.DEFAULT_KEY_LOOKUP_SERVER
 402                         fetch.DEFAULT_KEY_LOOKUP_SERVER = None
 403                         try:
 404                                 try:
 405                                         os._exit = my_exit
 406                                         background.spawn_background_update(p, verbose)
 407                                         assert False
 408                                 except SystemExit, ex:
 409                                         self.assertEquals(1, ex.code)
 410                         finally:
 411                                 os._exit = old_exit
 412                                 fetch.DEFAULT_KEY_LOOKUP_SERVER = key_info
 413                 finally:
 414                         sys.stdout = old_out
 415                 assert ran_gui
 416
 417         def testBackgroundVerbose(self):
 418                 self.testBackground(verbose = True)
 419
 420 if __name__ == '__main__':
 421         unittest.main()