| #!/usr/bin/python |
| # |
| # Copyright (c) 2012 The Chromium OS Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| """Unit tests for client/common_lib/cros/dev_server.py.""" |
| |
| import httplib |
| import mox |
| import StringIO |
| import time |
| import urllib2 |
| |
| from autotest_lib.client.common_lib import global_config |
| from autotest_lib.client.common_lib.cros import dev_server |
| from autotest_lib.client.common_lib.cros import retry |
| |
| def retry_mock(ExceptionToCheck, timeout_min): |
| """A mock retry decorator to use in place of the actual one for testing. |
| |
| @param ExceptionToCheck: the exception to check. |
| @param timeout_mins: Amount of time in mins to wait before timing out. |
| |
| """ |
| def inner_retry(func): |
| """The actual decorator. |
| |
| @param func: Function to be called in decorator. |
| |
| """ |
| return func |
| |
| return inner_retry |
| |
| |
| class DevServerTest(mox.MoxTestBase): |
| """Unit tests for dev_server.DevServer. |
| |
| @var _HOST: fake dev server host address. |
| """ |
| |
| _HOST = 'http://nothing' |
| _CRASH_HOST = 'http://nothing-crashed' |
| _CONFIG = global_config.global_config |
| |
| |
| def setUp(self): |
| super(DevServerTest, self).setUp() |
| self.crash_server = dev_server.CrashServer(DevServerTest._CRASH_HOST) |
| self.dev_server = dev_server.ImageServer(DevServerTest._HOST) |
| self.mox.StubOutWithMock(urllib2, 'urlopen') |
| |
| |
| def testSimpleResolve(self): |
| """One devserver, verify we resolve to it.""" |
| self.mox.StubOutWithMock(dev_server, '_get_dev_server_list') |
| self.mox.StubOutWithMock(dev_server.DevServer, 'devserver_healthy') |
| dev_server._get_dev_server_list().AndReturn([DevServerTest._HOST]) |
| dev_server.DevServer.devserver_healthy(DevServerTest._HOST).AndReturn( |
| True) |
| self.mox.ReplayAll() |
| devserver = dev_server.ImageServer.resolve('my_build') |
| self.assertEquals(devserver.url(), DevServerTest._HOST) |
| |
| |
| def testResolveWithFailure(self): |
| """Ensure we rehash on a failed ping on a bad_host.""" |
| self.mox.StubOutWithMock(dev_server, '_get_dev_server_list') |
| bad_host, good_host = 'http://bad_host:99', 'http://good_host:8080' |
| dev_server._get_dev_server_list().AndReturn([bad_host, good_host]) |
| |
| # Mock out bad ping failure to bad_host by raising devserver exception. |
| urllib2.urlopen(mox.StrContains(bad_host), data=None).AndRaise( |
| dev_server.DevServerException()) |
| # Good host is good. |
| to_return = StringIO.StringIO('{"free_disk": 1024}') |
| urllib2.urlopen(mox.StrContains(good_host), data=None).AndReturn(to_return) |
| |
| self.mox.ReplayAll() |
| host = dev_server.ImageServer.resolve(0) # Using 0 as it'll hash to 0. |
| self.assertEquals(host.url(), good_host) |
| self.mox.VerifyAll() |
| |
| |
| def testResolveWithFailureURLError(self): |
| """Ensure we rehash on a failed ping on a bad_host after urlerror.""" |
| # Retry mock just return the original method. |
| retry.retry = retry_mock |
| self.mox.StubOutWithMock(dev_server, '_get_dev_server_list') |
| bad_host, good_host = 'http://bad_host:99', 'http://good_host:8080' |
| dev_server._get_dev_server_list().AndReturn([bad_host, good_host]) |
| |
| # Mock out bad ping failure to bad_host by raising devserver exception. |
| urllib2.urlopen(mox.StrContains(bad_host), |
| data=None).MultipleTimes().AndRaise( |
| urllib2.URLError('urlopen connection timeout')) |
| |
| # Good host is good. |
| to_return = StringIO.StringIO('{"free_disk": 1024}') |
| urllib2.urlopen(mox.StrContains(good_host), |
| data=None).AndReturn(to_return) |
| |
| self.mox.ReplayAll() |
| host = dev_server.ImageServer.resolve(0) # Using 0 as it'll hash to 0. |
| self.assertEquals(host.url(), good_host) |
| self.mox.VerifyAll() |
| |
| |
| def testResolveWithManyDevservers(self): |
| """Should be able to return different urls with multiple devservers.""" |
| self.mox.StubOutWithMock(dev_server.ImageServer, 'servers') |
| self.mox.StubOutWithMock(dev_server.DevServer, 'devserver_healthy') |
| |
| host0_expected = 'http://host0:8080' |
| host1_expected = 'http://host1:8082' |
| |
| dev_server.ImageServer.servers().MultipleTimes().AndReturn( |
| [host0_expected, host1_expected]) |
| dev_server.DevServer.devserver_healthy(host0_expected).AndReturn(True) |
| dev_server.DevServer.devserver_healthy(host1_expected).AndReturn(True) |
| |
| self.mox.ReplayAll() |
| host0 = dev_server.ImageServer.resolve(0) |
| host1 = dev_server.ImageServer.resolve(1) |
| self.mox.VerifyAll() |
| |
| self.assertEqual(host0.url(), host0_expected) |
| self.assertEqual(host1.url(), host1_expected) |
| |
| |
| def _returnHttpServerError(self): |
| e500 = urllib2.HTTPError(url='', |
| code=httplib.INTERNAL_SERVER_ERROR, |
| msg='', |
| hdrs=None, |
| fp=StringIO.StringIO('Expected.')) |
| urllib2.urlopen(mox.IgnoreArg()).AndRaise(e500) |
| |
| |
| def _returnHttpForbidden(self): |
| e403 = urllib2.HTTPError(url='', |
| code=httplib.FORBIDDEN, |
| msg='', |
| hdrs=None, |
| fp=StringIO.StringIO('Expected.')) |
| urllib2.urlopen(mox.IgnoreArg()).AndRaise(e403) |
| |
| |
| def testSuccessfulTriggerDownloadSync(self): |
| """Call the dev server's download method with synchronous=True.""" |
| name = 'fake/image' |
| self.mox.StubOutWithMock(dev_server.ImageServer, 'finish_download') |
| to_return = StringIO.StringIO('Success') |
| urllib2.urlopen(mox.And(mox.StrContains(self._HOST), |
| mox.StrContains(name), |
| mox.StrContains('stage?'))).AndReturn(to_return) |
| to_return = StringIO.StringIO('True') |
| urllib2.urlopen(mox.And(mox.StrContains(self._HOST), |
| mox.StrContains(name), |
| mox.StrContains('is_staged'))).AndReturn( |
| to_return) |
| self.dev_server.finish_download(name) |
| |
| # Synchronous case requires a call to finish download. |
| self.mox.ReplayAll() |
| self.dev_server.trigger_download(name, synchronous=True) |
| self.mox.VerifyAll() |
| |
| |
| def testSuccessfulTriggerDownloadASync(self): |
| """Call the dev server's download method with synchronous=False.""" |
| name = 'fake/image' |
| to_return = StringIO.StringIO('Success') |
| urllib2.urlopen(mox.And(mox.StrContains(self._HOST), |
| mox.StrContains(name), |
| mox.StrContains('stage?'))).AndReturn(to_return) |
| to_return = StringIO.StringIO('True') |
| urllib2.urlopen(mox.And(mox.StrContains(self._HOST), |
| mox.StrContains(name), |
| mox.StrContains('is_staged'))).AndReturn( |
| to_return) |
| |
| self.mox.ReplayAll() |
| self.dev_server.trigger_download(name, synchronous=False) |
| self.mox.VerifyAll() |
| |
| |
| def testURLErrorRetryTriggerDownload(self): |
| """Should retry on URLError, but pass through real exception.""" |
| self.mox.StubOutWithMock(time, 'sleep') |
| |
| refused = urllib2.URLError('[Errno 111] Connection refused') |
| urllib2.urlopen(mox.IgnoreArg()).AndRaise(refused) |
| time.sleep(mox.IgnoreArg()) |
| self._returnHttpForbidden() |
| self.mox.ReplayAll() |
| self.assertRaises(dev_server.DevServerException, |
| self.dev_server.trigger_download, |
| '') |
| |
| |
| def testErrorTriggerDownload(self): |
| """Should call the dev server's download method, fail gracefully.""" |
| self._returnHttpServerError() |
| self.mox.ReplayAll() |
| self.assertRaises(dev_server.DevServerException, |
| self.dev_server.trigger_download, |
| '') |
| |
| |
| def testForbiddenTriggerDownload(self): |
| """Should call the dev server's download method, get exception.""" |
| self._returnHttpForbidden() |
| self.mox.ReplayAll() |
| self.assertRaises(dev_server.DevServerException, |
| self.dev_server.trigger_download, |
| '') |
| |
| |
| def testSuccessfulFinishDownload(self): |
| """Should successfully call the dev server's finish download method.""" |
| name = 'fake/image' |
| to_return = StringIO.StringIO('Success') |
| urllib2.urlopen(mox.And(mox.StrContains(self._HOST), |
| mox.StrContains(name), |
| mox.StrContains('stage?'))).AndReturn(to_return) |
| to_return = StringIO.StringIO('True') |
| urllib2.urlopen(mox.And(mox.StrContains(self._HOST), |
| mox.StrContains(name), |
| mox.StrContains('is_staged'))).AndReturn( |
| to_return) |
| |
| # Synchronous case requires a call to finish download. |
| self.mox.ReplayAll() |
| self.dev_server.finish_download(name) # Raises on failure. |
| self.mox.VerifyAll() |
| |
| |
| def testErrorFinishDownload(self): |
| """Should call the dev server's finish download method, fail gracefully. |
| """ |
| self._returnHttpServerError() |
| self.mox.ReplayAll() |
| self.assertRaises(dev_server.DevServerException, |
| self.dev_server.finish_download, |
| '') |
| |
| |
| def testListControlFiles(self): |
| """Should successfully list control files from the dev server.""" |
| name = 'fake/build' |
| control_files = ['file/one', 'file/two'] |
| to_return = StringIO.StringIO('\n'.join(control_files)) |
| urllib2.urlopen(mox.And(mox.StrContains(self._HOST), |
| mox.StrContains(name))).AndReturn(to_return) |
| self.mox.ReplayAll() |
| paths = self.dev_server.list_control_files(name) |
| self.assertEquals(len(paths), 2) |
| for f in control_files: |
| self.assertTrue(f in paths) |
| |
| |
| def testFailedListControlFiles(self): |
| """Should call the dev server's list-files method, get exception.""" |
| self._returnHttpServerError() |
| self.mox.ReplayAll() |
| self.assertRaises(dev_server.DevServerException, |
| self.dev_server.list_control_files, |
| '') |
| |
| |
| def testExplodingListControlFiles(self): |
| """Should call the dev server's list-files method, get exception.""" |
| self._returnHttpForbidden() |
| self.mox.ReplayAll() |
| self.assertRaises(dev_server.DevServerException, |
| self.dev_server.list_control_files, |
| '') |
| |
| |
| def testGetControlFile(self): |
| """Should successfully get a control file from the dev server.""" |
| name = 'fake/build' |
| file = 'file/one' |
| contents = 'Multi-line\nControl File Contents\n' |
| to_return = StringIO.StringIO(contents) |
| urllib2.urlopen(mox.And(mox.StrContains(self._HOST), |
| mox.StrContains(name), |
| mox.StrContains(file))).AndReturn(to_return) |
| self.mox.ReplayAll() |
| self.assertEquals(self.dev_server.get_control_file(name, file), |
| contents) |
| |
| |
| def testErrorGetControlFile(self): |
| """Should try to get the contents of a control file, get exception.""" |
| self._returnHttpServerError() |
| self.mox.ReplayAll() |
| self.assertRaises(dev_server.DevServerException, |
| self.dev_server.get_control_file, |
| '', '') |
| |
| |
| def testForbiddenGetControlFile(self): |
| """Should try to get the contents of a control file, get exception.""" |
| self._returnHttpForbidden() |
| self.mox.ReplayAll() |
| self.assertRaises(dev_server.DevServerException, |
| self.dev_server.get_control_file, |
| '', '') |
| |
| |
| def testGetLatestBuild(self): |
| """Should successfully return a build for a given target.""" |
| self.mox.StubOutWithMock(dev_server.ImageServer, 'servers') |
| self.mox.StubOutWithMock(dev_server.DevServer, 'devserver_healthy') |
| |
| dev_server.ImageServer.servers().AndReturn([self._HOST]) |
| dev_server.DevServer.devserver_healthy(self._HOST).AndReturn(True) |
| |
| target = 'x86-generic-release' |
| build_string = 'R18-1586.0.0-a1-b1514' |
| to_return = StringIO.StringIO(build_string) |
| urllib2.urlopen(mox.And(mox.StrContains(self._HOST), |
| mox.StrContains(target))).AndReturn(to_return) |
| self.mox.ReplayAll() |
| build = dev_server.ImageServer.get_latest_build(target) |
| self.assertEquals(build_string, build) |
| |
| |
| def testGetLatestBuildWithManyDevservers(self): |
| """Should successfully return newest build with multiple devservers.""" |
| self.mox.StubOutWithMock(dev_server.ImageServer, 'servers') |
| self.mox.StubOutWithMock(dev_server.DevServer, 'devserver_healthy') |
| |
| host0_expected = 'http://host0:8080' |
| host1_expected = 'http://host1:8082' |
| |
| dev_server.ImageServer.servers().MultipleTimes().AndReturn( |
| [host0_expected, host1_expected]) |
| |
| dev_server.DevServer.devserver_healthy(host0_expected).AndReturn(True) |
| dev_server.DevServer.devserver_healthy(host1_expected).AndReturn(True) |
| |
| target = 'x86-generic-release' |
| build_string1 = 'R9-1586.0.0-a1-b1514' |
| build_string2 = 'R19-1586.0.0-a1-b3514' |
| to_return1 = StringIO.StringIO(build_string1) |
| to_return2 = StringIO.StringIO(build_string2) |
| urllib2.urlopen(mox.And(mox.StrContains(host0_expected), |
| mox.StrContains(target))).AndReturn(to_return1) |
| urllib2.urlopen(mox.And(mox.StrContains(host1_expected), |
| mox.StrContains(target))).AndReturn(to_return2) |
| |
| self.mox.ReplayAll() |
| build = dev_server.ImageServer.get_latest_build(target) |
| self.assertEquals(build_string2, build) |
| |
| |
| def testCrashesAreSetToTheCrashServer(self): |
| """Should send symbolicate dump rpc calls to crash_server.""" |
| hv = 'iliketacos' |
| self.mox.ReplayAll() |
| call = self.crash_server.build_call('symbolicate_dump') |
| self.assertTrue(call.startswith(self._CRASH_HOST)) |
| |
