1 # -*- coding: utf-8 -*-
3 from twisted.trial import unittest
5 from twisted.python import usage, runtime
6 from twisted.internet import utils
7 import os.path, re, sys
8 from cStringIO import StringIO
9 from allmydata.util import fileutil, pollmixin
10 from allmydata.scripts import runner
12 from allmydata.test import common_util
15 bintahoe = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(allmydata.__file__))), 'bin', 'tahoe')
16 if sys.platform == "win32": # TODO: should this include cygwin?
21 def skip_if_cannot_run_bintahoe(self):
22 if "cygwin" in sys.platform.lower():
23 raise unittest.SkipTest("We don't know how to make this test work on cygwin: spawnProcess seems to hang forever. We don't know if 'bin/tahoe start' can be run on cygwin.")
24 if not os.path.exists(bintahoe):
25 raise unittest.SkipTest("The bin/tahoe script isn't to be found in the expected location (%s), and I don't want to test a 'tahoe' executable that I find somewhere else, in case it isn't the right executable for this version of Tahoe. Perhaps running 'setup.py build' again will help." % (bintahoe,))
27 def skip_if_cannot_daemonize(self):
28 self.skip_if_cannot_run_bintahoe()
29 if runtime.platformType == "win32":
30 # twistd on windows doesn't daemonize. cygwin should work normally.
31 raise unittest.SkipTest("twistd does not fork under windows")
34 class TheRightCode(common_util.SignalMixin, unittest.TestCase, SkipMixin):
36 self.skip_if_cannot_run_bintahoe()
37 d = utils.getProcessOutputAndValue(bintahoe, args=["--version-and-path"], env=os.environ)
39 out, err, rc_or_sig = res
40 self.failUnlessEqual(rc_or_sig, 0)
42 # Fail unless the allmydata-tahoe package is *this* version *and*
43 # was loaded from *this* source directory.
44 ad = os.path.dirname(os.path.dirname(os.path.realpath(allmydata.__file__)))
45 required_ver_and_path = "allmydata-tahoe: %s (%s)" % (allmydata.__version__, ad)
46 self.failUnless(out.startswith(required_ver_and_path),
47 (out, err, rc_or_sig, required_ver_and_path))
52 class CreateNode(unittest.TestCase):
53 # exercise "tahoe create-node", create-introducer,
54 # create-key-generator, and create-stats-gatherer, by calling the
55 # corresponding code as a subroutine.
57 def workdir(self, name):
58 basedir = os.path.join("test_runner", "CreateNode", name)
59 fileutil.make_dirs(basedir)
62 def run_tahoe(self, argv):
63 out,err = StringIO(), StringIO()
64 rc = runner.runner(argv, stdout=out, stderr=err)
65 return rc, out.getvalue(), err.getvalue()
67 def do_create(self, command, basedir):
68 c1 = os.path.join(basedir, command + "-c1")
69 argv = ["--quiet", command, "--basedir", c1]
70 rc, out, err = self.run_tahoe(argv)
71 self.failUnlessEqual(err, "")
72 self.failUnlessEqual(out, "")
73 self.failUnlessEqual(rc, 0)
74 self.failUnless(os.path.exists(c1))
75 self.failUnless(os.path.exists(os.path.join(c1, "tahoe-client.tac")))
77 # tahoe.cfg should exist, and should have storage enabled for
78 # 'create-node', and disabled for 'create-client'.
79 tahoe_cfg = os.path.join(c1, "tahoe.cfg")
80 self.failUnless(os.path.exists(tahoe_cfg))
81 content = open(tahoe_cfg).read()
82 if command == "create-client":
83 self.failUnless("\n[storage]\nenabled = false\n" in content)
85 self.failUnless("\n[storage]\nenabled = true\n" in content)
87 # creating the client a second time should be rejected
88 rc, out, err = self.run_tahoe(argv)
89 self.failIfEqual(rc, 0, str((out, err, rc)))
90 self.failUnlessEqual(out, "")
91 self.failUnless("is not empty." in err)
93 # Fail if there is a non-empty line that doesn't end with a
95 for line in err.splitlines():
96 self.failIf(re.search("[\S][^\.!?]$", line), (line,))
98 # test that the non --basedir form works too
99 c2 = os.path.join(basedir, command + "c2")
100 argv = ["--quiet", command, c2]
101 rc, out, err = self.run_tahoe(argv)
102 self.failUnless(os.path.exists(c2))
103 self.failUnless(os.path.exists(os.path.join(c2, "tahoe-client.tac")))
105 # make sure it rejects too many arguments
106 argv = [command, "basedir", "extraarg"]
107 self.failUnlessRaises(usage.UsageError,
112 basedir = self.workdir("test_node")
113 self.do_create("create-node", basedir)
115 def test_client(self):
116 # create-client should behave like create-node --no-storage.
117 basedir = self.workdir("test_client")
118 self.do_create("create-client", basedir)
120 def test_introducer(self):
121 basedir = self.workdir("test_introducer")
122 c1 = os.path.join(basedir, "c1")
123 argv = ["--quiet", "create-introducer", "--basedir", c1]
124 rc, out, err = self.run_tahoe(argv)
125 self.failUnlessEqual(err, "", err)
126 self.failUnlessEqual(out, "")
127 self.failUnlessEqual(rc, 0)
128 self.failUnless(os.path.exists(c1))
129 self.failUnless(os.path.exists(os.path.join(c1,"tahoe-introducer.tac")))
131 # creating the introducer a second time should be rejected
132 rc, out, err = self.run_tahoe(argv)
133 self.failIfEqual(rc, 0)
134 self.failUnlessEqual(out, "")
135 self.failUnless("is not empty" in err)
137 # Fail if there is a non-empty line that doesn't end with a
139 for line in err.splitlines():
140 self.failIf(re.search("[\S][^\.!?]$", line), (line,))
142 # test the non --basedir form
143 c2 = os.path.join(basedir, "c2")
144 argv = ["--quiet", "create-introducer", c2]
145 rc, out, err = self.run_tahoe(argv)
146 self.failUnlessEqual(err, "", err)
147 self.failUnlessEqual(out, "")
148 self.failUnlessEqual(rc, 0)
149 self.failUnless(os.path.exists(c2))
150 self.failUnless(os.path.exists(os.path.join(c2,"tahoe-introducer.tac")))
152 # reject extra arguments
153 argv = ["create-introducer", "basedir", "extraarg"]
154 self.failUnlessRaises(usage.UsageError,
157 # and require basedir to be provided in some form
158 argv = ["create-introducer"]
159 self.failUnlessRaises(usage.UsageError,
163 def test_key_generator(self):
164 basedir = self.workdir("test_key_generator")
165 kg1 = os.path.join(basedir, "kg1")
166 argv = ["--quiet", "create-key-generator", "--basedir", kg1]
167 rc, out, err = self.run_tahoe(argv)
168 self.failUnlessEqual(err, "")
169 self.failUnlessEqual(out, "")
170 self.failUnlessEqual(rc, 0)
171 self.failUnless(os.path.exists(kg1))
172 self.failUnless(os.path.exists(os.path.join(kg1, "tahoe-key-generator.tac")))
174 # creating it a second time should be rejected
175 rc, out, err = self.run_tahoe(argv)
176 self.failIfEqual(rc, 0, str((out, err, rc)))
177 self.failUnlessEqual(out, "")
178 self.failUnless("is not empty." in err)
180 # make sure it rejects too many arguments
181 argv = ["create-key-generator", "basedir", "extraarg"]
182 self.failUnlessRaises(usage.UsageError,
186 # make sure it rejects a missing basedir specification
187 argv = ["create-key-generator"]
188 rc, out, err = self.run_tahoe(argv)
189 self.failIfEqual(rc, 0, str((out, err, rc)))
190 self.failUnlessEqual(out, "")
191 self.failUnless("a basedir was not provided" in err)
193 def test_stats_gatherer(self):
194 basedir = self.workdir("test_stats_gatherer")
195 sg1 = os.path.join(basedir, "sg1")
196 argv = ["--quiet", "create-stats-gatherer", "--basedir", sg1]
197 rc, out, err = self.run_tahoe(argv)
198 self.failUnlessEqual(err, "")
199 self.failUnlessEqual(out, "")
200 self.failUnlessEqual(rc, 0)
201 self.failUnless(os.path.exists(sg1))
202 self.failUnless(os.path.exists(os.path.join(sg1, "tahoe-stats-gatherer.tac")))
204 # creating it a second time should be rejected
205 rc, out, err = self.run_tahoe(argv)
206 self.failIfEqual(rc, 0, str((out, err, rc)))
207 self.failUnlessEqual(out, "")
208 self.failUnless("is not empty." in err)
210 # test the non --basedir form
211 kg2 = os.path.join(basedir, "kg2")
212 argv = ["--quiet", "create-stats-gatherer", kg2]
213 rc, out, err = self.run_tahoe(argv)
214 self.failUnlessEqual(err, "", err)
215 self.failUnlessEqual(out, "")
216 self.failUnlessEqual(rc, 0)
217 self.failUnless(os.path.exists(kg2))
218 self.failUnless(os.path.exists(os.path.join(kg2,"tahoe-stats-gatherer.tac")))
220 # make sure it rejects too many arguments
221 argv = ["create-stats-gatherer", "basedir", "extraarg"]
222 self.failUnlessRaises(usage.UsageError,
226 # make sure it rejects a missing basedir specification
227 argv = ["create-stats-gatherer"]
228 rc, out, err = self.run_tahoe(argv)
229 self.failIfEqual(rc, 0, str((out, err, rc)))
230 self.failUnlessEqual(out, "")
231 self.failUnless("a basedir was not provided" in err)
233 def test_subcommands(self):
234 # no arguments should trigger a command listing, via UsageError
235 self.failUnlessRaises(usage.UsageError,
241 class RunNode(common_util.SignalMixin, unittest.TestCase, pollmixin.PollMixin,
243 # exercise "tahoe start", for both introducer, client node, and
244 # key-generator, by spawning "tahoe start" as a subprocess. This doesn't
245 # get us figleaf-based line-level coverage, but it does a better job of
246 # confirming that the user can actually run "./bin/tahoe start" and
247 # expect it to work. This verifies that bin/tahoe sets up PYTHONPATH and
248 # the like correctly.
250 # This doesn't work on cygwin (it hangs forever), so we skip this test
251 # when we're on cygwin. It is likely that "tahoe start" itself doesn't
252 # work on cygwin: twisted seems unable to provide a version of
253 # spawnProcess which really works there.
255 def workdir(self, name):
256 basedir = os.path.join("test_runner", "RunNode", name)
257 fileutil.make_dirs(basedir)
260 def test_introducer(self):
261 self.skip_if_cannot_daemonize()
262 basedir = self.workdir("test_introducer")
263 c1 = os.path.join(basedir, "c1")
264 HOTLINE_FILE = os.path.join(c1, "suicide_prevention_hotline")
265 TWISTD_PID_FILE = os.path.join(c1, "twistd.pid")
266 INTRODUCER_FURL_FILE = os.path.join(c1, "introducer.furl")
268 d = utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "create-introducer", "--basedir", c1], env=os.environ)
270 out, err, rc_or_sig = res
271 self.failUnlessEqual(rc_or_sig, 0)
272 # by writing this file, we get ten seconds before the node will
273 # exit. This insures that even if the test fails (and the 'stop'
274 # command doesn't work), the client should still terminate.
275 open(HOTLINE_FILE, "w").write("")
276 # now it's safe to start the node
279 def _then_start_the_node(res):
280 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "start", c1], env=os.environ)
281 d.addCallback(_then_start_the_node)
284 out, err, rc_or_sig = res
286 open(HOTLINE_FILE, "w").write("")
287 errstr = "rc=%d, OUT: '%s', ERR: '%s'" % (rc_or_sig, out, err)
288 self.failUnlessEqual(rc_or_sig, 0, errstr)
289 self.failUnlessEqual(out, "", errstr)
290 # self.failUnlessEqual(err, "", errstr) # See test_client_no_noise -- for now we ignore noise.
292 # the parent (twistd) has exited. However, twistd writes the pid
293 # from the child, not the parent, so we can't expect twistd.pid
294 # to exist quite yet.
296 # the node is running, but it might not have made it past the
297 # first reactor turn yet, and if we kill it too early, it won't
298 # remove the twistd.pid file. So wait until it does something
299 # that we know it won't do until after the first turn.
302 def _node_has_started():
303 return os.path.exists(INTRODUCER_FURL_FILE)
304 d.addCallback(lambda res: self.poll(_node_has_started))
307 open(HOTLINE_FILE, "w").write("")
308 self.failUnless(os.path.exists(TWISTD_PID_FILE))
309 # rm this so we can detect when the second incarnation is ready
310 os.unlink(INTRODUCER_FURL_FILE)
311 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "restart", c1], env=os.environ)
312 d.addCallback(_started)
315 out, err, rc_or_sig = res
316 open(HOTLINE_FILE, "w").write("")
317 errstr = "rc=%d, OUT: '%s', ERR: '%s'" % (rc_or_sig, out, err)
318 self.failUnlessEqual(rc_or_sig, 0, errstr)
319 self.failUnlessEqual(out, "", errstr)
320 # self.failUnlessEqual(err, "", errstr) # See test_client_no_noise -- for now we ignore noise.
323 # again, the second incarnation of the node might not be ready yet,
324 # so poll until it is
325 d.addCallback(lambda res: self.poll(_node_has_started))
327 # now we can kill it. TODO: On a slow machine, the node might kill
328 # itself before we get a chance too, especially if spawning the
329 # 'tahoe stop' command takes a while.
331 open(HOTLINE_FILE, "w").write("")
332 self.failUnless(os.path.exists(TWISTD_PID_FILE))
334 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "stop", c1], env=os.environ)
337 def _after_stopping(res):
338 out, err, rc_or_sig = res
339 open(HOTLINE_FILE, "w").write("")
340 # the parent has exited by now
341 errstr = "rc=%d, OUT: '%s', ERR: '%s'" % (rc_or_sig, out, err)
342 self.failUnlessEqual(rc_or_sig, 0, errstr)
343 self.failUnlessEqual(out, "", errstr)
344 # self.failUnlessEqual(err, "", errstr) # See test_client_no_noise -- for now we ignore noise.
345 # the parent was supposed to poll and wait until it sees
346 # twistd.pid go away before it exits, so twistd.pid should be
348 self.failIf(os.path.exists(TWISTD_PID_FILE))
349 d.addCallback(_after_stopping)
351 def _remove_hotline(res):
352 os.unlink(HOTLINE_FILE)
354 d.addBoth(_remove_hotline)
356 test_introducer.timeout = 480 # This hit the 120-second timeout on "François Lenny-armv5tel", then it hit a 240-second timeout on our feisty2.5 buildslave: http://allmydata.org/buildbot/builders/feisty2.5/builds/2381/steps/test/logs/test.log
358 def test_client_no_noise(self):
359 self.skip_if_cannot_daemonize()
362 pkg_resources.require("Twisted>=9.0.0")
363 except pkg_resources.VersionConflict:
364 raise unittest.SkipTest("We pass this test only with Twisted >= v9.0.0")
365 basedir = self.workdir("test_client_no_noise")
366 c1 = os.path.join(basedir, "c1")
367 HOTLINE_FILE = os.path.join(c1, "suicide_prevention_hotline")
368 TWISTD_PID_FILE = os.path.join(c1, "twistd.pid")
369 PORTNUMFILE = os.path.join(c1, "client.port")
371 d = utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "create-client", "--basedir", c1, "--webport", "0"], env=os.environ)
373 out, err, rc_or_sig = res
374 errstr = "cc=%d, OUT: '%s', ERR: '%s'" % (rc_or_sig, out, err)
375 assert rc_or_sig == 0, errstr
376 self.failUnlessEqual(rc_or_sig, 0)
377 # By writing this file, we get forty seconds before the client will exit. This insures
378 # that even if the 'stop' command doesn't work (and the test fails), the client should
380 open(HOTLINE_FILE, "w").write("")
381 open(os.path.join(c1, "introducer.furl"), "w").write("pb://xrndsskn2zuuian5ltnxrte7lnuqdrkz@127.0.0.1:55617/introducer\n")
382 # now it's safe to start the node
386 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "start", c1], env=os.environ)
387 d.addCallback(_start)
390 out, err, rc_or_sig = res
391 errstr = "cc=%d, OUT: '%s', ERR: '%s'" % (rc_or_sig, out, err)
392 open(HOTLINE_FILE, "w").write("")
393 self.failUnlessEqual(rc_or_sig, 0, errstr)
394 self.failUnlessEqual(out, "", errstr) # If you emit noise, you fail this test.
395 self.failUnlessEqual(err, "", errstr)
397 # the parent (twistd) has exited. However, twistd writes the pid
398 # from the child, not the parent, so we can't expect twistd.pid
399 # to exist quite yet.
401 # the node is running, but it might not have made it past the
402 # first reactor turn yet, and if we kill it too early, it won't
403 # remove the twistd.pid file. So wait until it does something
404 # that we know it won't do until after the first turn.
407 def _node_has_started():
408 return os.path.exists(PORTNUMFILE)
409 d.addCallback(lambda res: self.poll(_node_has_started))
411 # now we can kill it. TODO: On a slow machine, the node might kill
412 # itself before we get a chance too, especially if spawning the
413 # 'tahoe stop' command takes a while.
415 self.failUnless(os.path.exists(TWISTD_PID_FILE), (TWISTD_PID_FILE, os.listdir(os.path.dirname(TWISTD_PID_FILE))))
416 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "stop", c1], env=os.environ)
420 def test_client(self):
421 self.skip_if_cannot_daemonize()
422 basedir = self.workdir("test_client")
423 c1 = os.path.join(basedir, "c1")
424 HOTLINE_FILE = os.path.join(c1, "suicide_prevention_hotline")
425 TWISTD_PID_FILE = os.path.join(c1, "twistd.pid")
426 PORTNUMFILE = os.path.join(c1, "client.port")
428 d = utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "create-node", "--basedir", c1, "--webport", "0"], env=os.environ)
430 out, err, rc_or_sig = res
431 self.failUnlessEqual(rc_or_sig, 0)
432 # By writing this file, we get sixty seconds before the client will exit. This insures
433 # that even if the 'stop' command doesn't work (and the test fails), the client should
435 open(HOTLINE_FILE, "w").write("")
436 open(os.path.join(c1, "introducer.furl"), "w").write("pb://xrndsskn2zuuian5ltnxrte7lnuqdrkz@127.0.0.1:55617/introducer\n")
437 # now it's safe to start the node
441 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "start", c1], env=os.environ)
442 d.addCallback(_start)
445 out, err, rc_or_sig = res
446 open(HOTLINE_FILE, "w").write("")
447 errstr = "rc=%d, OUT: '%s', ERR: '%s'" % (rc_or_sig, out, err)
448 self.failUnlessEqual(rc_or_sig, 0, errstr)
449 self.failUnlessEqual(out, "", errstr)
450 # self.failUnlessEqual(err, "", errstr) # See test_client_no_noise -- for now we ignore noise.
452 # the parent (twistd) has exited. However, twistd writes the pid
453 # from the child, not the parent, so we can't expect twistd.pid
454 # to exist quite yet.
456 # the node is running, but it might not have made it past the
457 # first reactor turn yet, and if we kill it too early, it won't
458 # remove the twistd.pid file. So wait until it does something
459 # that we know it won't do until after the first turn.
462 def _node_has_started():
463 return os.path.exists(PORTNUMFILE)
464 d.addCallback(lambda res: self.poll(_node_has_started))
467 open(HOTLINE_FILE, "w").write("")
468 self.failUnless(os.path.exists(TWISTD_PID_FILE))
469 # rm this so we can detect when the second incarnation is ready
470 os.unlink(PORTNUMFILE)
472 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "restart", c1], env=os.environ)
473 d.addCallback(_started)
476 out, err, rc_or_sig = res
478 open(HOTLINE_FILE, "w").write("")
479 errstr = "rc=%d, OUT: '%s', ERR: '%s'" % (rc_or_sig, out, err)
480 self.failUnlessEqual(rc_or_sig, 0, errstr)
481 self.failUnlessEqual(out, "", errstr)
482 # self.failUnlessEqual(err, "", errstr) # See test_client_no_noise -- for now we ignore noise.
485 # again, the second incarnation of the node might not be ready yet,
486 # so poll until it is
487 d.addCallback(lambda res: self.poll(_node_has_started))
489 # now we can kill it. TODO: On a slow machine, the node might kill
490 # itself before we get a chance too, especially if spawning the
491 # 'tahoe stop' command takes a while.
493 open(HOTLINE_FILE, "w").write("")
494 self.failUnless(os.path.exists(TWISTD_PID_FILE), (TWISTD_PID_FILE, os.listdir(os.path.dirname(TWISTD_PID_FILE))))
495 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "stop", c1], env=os.environ)
499 out, err, rc_or_sig = res
501 open(HOTLINE_FILE, "w").write("")
502 # the parent has exited by now
503 errstr = "rc=%d, OUT: '%s', ERR: '%s'" % (rc_or_sig, out, err)
504 self.failUnlessEqual(rc_or_sig, 0, errstr)
505 self.failUnlessEqual(out, "", errstr)
506 # self.failUnlessEqual(err, "", errstr) # See test_client_no_noise -- for now we ignore noise.
507 # the parent was supposed to poll and wait until it sees
508 # twistd.pid go away before it exits, so twistd.pid should be
510 self.failIf(os.path.exists(TWISTD_PID_FILE))
512 def _remove_hotline(res):
513 os.unlink(HOTLINE_FILE)
515 d.addBoth(_remove_hotline)
518 def test_baddir(self):
519 self.skip_if_cannot_daemonize()
520 basedir = self.workdir("test_baddir")
521 fileutil.make_dirs(basedir)
523 d = utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "start", "--basedir", basedir], env=os.environ)
525 out, err, rc_or_sig = res
526 self.failUnlessEqual(rc_or_sig, 1)
527 self.failUnless("does not look like a node directory" in err, err)
530 def _then_stop_it(res):
531 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "stop", "--basedir", basedir], env=os.environ)
532 d.addCallback(_then_stop_it)
535 out, err, rc_or_sig = res
536 self.failUnlessEqual(rc_or_sig, 2)
537 self.failUnless("does not look like a running node directory" in err)
540 def _then_start_in_bogus_basedir(res):
541 not_a_dir = os.path.join(basedir, "bogus")
542 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "start", "--basedir", not_a_dir], env=os.environ)
543 d.addCallback(_then_start_in_bogus_basedir)
546 out, err, rc_or_sig = res
547 self.failUnlessEqual(rc_or_sig, 1)
548 self.failUnless("does not look like a directory at all" in err, err)
552 def test_keygen(self):
553 self.skip_if_cannot_daemonize()
554 basedir = self.workdir("test_keygen")
555 c1 = os.path.join(basedir, "c1")
556 TWISTD_PID_FILE = os.path.join(c1, "twistd.pid")
557 KEYGEN_FURL_FILE = os.path.join(c1, "key_generator.furl")
559 d = utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "create-key-generator", "--basedir", c1], env=os.environ)
561 out, err, rc_or_sig = res
562 self.failUnlessEqual(rc_or_sig, 0)
566 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "start", c1], env=os.environ)
567 d.addCallback(_start)
570 out, err, rc_or_sig = res
571 errstr = "rc=%d, OUT: '%s', ERR: '%s'" % (rc_or_sig, out, err)
572 self.failUnlessEqual(rc_or_sig, 0, errstr)
573 self.failUnlessEqual(out, "", errstr)
574 # self.failUnlessEqual(err, "", errstr) # See test_client_no_noise -- for now we ignore noise.
576 # the parent (twistd) has exited. However, twistd writes the pid
577 # from the child, not the parent, so we can't expect twistd.pid
578 # to exist quite yet.
580 # the node is running, but it might not have made it past the
581 # first reactor turn yet, and if we kill it too early, it won't
582 # remove the twistd.pid file. So wait until it does something
583 # that we know it won't do until after the first turn.
586 def _node_has_started():
587 return os.path.exists(KEYGEN_FURL_FILE)
588 d.addCallback(lambda res: self.poll(_node_has_started))
591 self.failUnless(os.path.exists(TWISTD_PID_FILE))
592 # rm this so we can detect when the second incarnation is ready
593 os.unlink(KEYGEN_FURL_FILE)
594 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "restart", c1], env=os.environ)
595 d.addCallback(_started)
598 out, err, rc_or_sig = res
599 errstr = "rc=%d, OUT: '%s', ERR: '%s'" % (rc_or_sig, out, err)
600 self.failUnlessEqual(rc_or_sig, 0, errstr)
601 self.failUnlessEqual(out, "", errstr)
602 # self.failUnlessEqual(err, "", errstr) # See test_client_no_noise -- for now we ignore noise.
605 # again, the second incarnation of the node might not be ready yet,
606 # so poll until it is
607 d.addCallback(lambda res: self.poll(_node_has_started))
609 # now we can kill it. TODO: On a slow machine, the node might kill
610 # itself before we get a chance too, especially if spawning the
611 # 'tahoe stop' command takes a while.
613 self.failUnless(os.path.exists(TWISTD_PID_FILE))
614 return utils.getProcessOutputAndValue(bintahoe, args=["--quiet", "stop", c1], env=os.environ)
618 out, err, rc_or_sig = res
619 # the parent has exited by now
620 errstr = "rc=%d, OUT: '%s', ERR: '%s'" % (rc_or_sig, out, err)
621 self.failUnlessEqual(rc_or_sig, 0, errstr)
622 self.failUnlessEqual(out, "", errstr)
623 # self.failUnlessEqual(err, "", errstr) # See test_client_no_noise -- for now we ignore noise.
624 # the parent was supposed to poll and wait until it sees
625 # twistd.pid go away before it exits, so twistd.pid should be
627 self.failIf(os.path.exists(TWISTD_PID_FILE))