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import os
from twisted.internet.defer import Deferred
from landscape.package.changer import find_changer_command, PackageChanger
from landscape.package.releaseupgrader import (
ReleaseUpgrader, find_release_upgrader_command)
from landscape.package.store import PackageStore
from landscape.manager.packagemanager import PackageManager
from landscape.manager.manager import ManagerPluginRegistry
from landscape.tests.helpers import (
LandscapeIsolatedTest, RemoteBrokerHelper, EnvironSaverHelper)
class PackageManagerTest(LandscapeIsolatedTest):
"""Tests for the temperature plugin."""
helpers = [RemoteBrokerHelper, EnvironSaverHelper]
def setUp(self):
"""Initialize test helpers and create a sample thermal zone."""
LandscapeIsolatedTest.setUp(self)
self.manager = ManagerPluginRegistry(self.remote,
self.broker_service.reactor,
self.broker_service.config)
self.package_store = PackageStore(os.path.join(self.data_path,
"package/database"))
self.package_manager = PackageManager()
def test_create_default_store_upon_message_handling(self):
"""
If the package sqlite database file doesn't exist yet, it is created
upon message handling.
"""
filename = os.path.join(self.broker_service.config.data_path,
"package/database")
os.unlink(filename)
self.assertFalse(os.path.isfile(filename))
self.manager.add(self.package_manager)
self.package_manager.spawn_handler = lambda x: None
message = {"type": "release-upgrade"}
self.package_manager.handle_release_upgrade(message)
self.assertTrue(os.path.isfile(filename))
def test_dont_spawn_changer_if_message_not_accepted(self):
"""
The L{PackageManager} spawns a L{PackageChanger} run only if the
appropriate message type is accepted.
"""
self.manager.add(self.package_manager)
package_manager_mock = self.mocker.patch(self.package_manager)
package_manager_mock.spawn_handler(PackageChanger)
self.mocker.count(0)
self.mocker.replay()
return self.package_manager.run()
def test_dont_spawn_release_upgrader_if_message_not_accepted(self):
"""
The L{PackageManager} spawns a L{ReleaseUpgrader} run only if the
appropriate message type is accepted.
"""
self.manager.add(self.package_manager)
package_manager_mock = self.mocker.patch(self.package_manager)
package_manager_mock.spawn_handler(ReleaseUpgrader)
self.mocker.count(0)
self.mocker.replay()
return self.package_manager.run()
def test_spawn_handler_on_registration_when_already_accepted(self):
package_manager_mock = self.mocker.patch(self.package_manager)
package_manager_mock.spawn_handler(PackageChanger)
# Slightly tricky as we have to wait for the result of run(),
# but we don't have its deferred yet. To handle it, we create
# our own deferred, and register a callback for when run()
# returns, chaining both deferreds at that point.
deferred = Deferred()
def run_has_run(run_result_deferred):
return run_result_deferred.chainDeferred(deferred)
package_manager_mock.run()
self.mocker.passthrough(run_has_run)
self.mocker.replay()
service = self.broker_service
service.message_store.set_accepted_types(["change-packages-result"])
self.manager.add(self.package_manager)
return deferred
def test_spawn_changer_on_run_if_message_accepted(self):
"""
The L{PackageManager} spawns a L{PackageChanger} run if messages
of type C{"change-packages-result"} are accepted.
"""
self.manager.add(self.package_manager)
service = self.broker_service
service.message_store.set_accepted_types(["change-packages-result"])
package_manager_mock = self.mocker.patch(self.package_manager)
package_manager_mock.spawn_handler(PackageChanger)
self.mocker.count(2) # Once for registration, then again explicitly.
self.mocker.replay()
return self.package_manager.run()
def test_run_on_package_data_changed(self):
"""
The L{PackageManager} spawns a L{PackageChanger} run if an event
of type C{"package-data-changed"} is fired.
"""
self.manager.add(self.package_manager)
service = self.broker_service
service.message_store.set_accepted_types(["change-packages-result"])
package_manager_mock = self.mocker.patch(self.package_manager)
package_manager_mock.spawn_handler(PackageChanger)
self.mocker.count(2) # Once for registration, then again explicitly.
self.mocker.replay()
return self.broker_service.reactor.fire("package-data-changed")[1]
def test_spawn_release_upgrader_on_run_if_message_accepted(self):
"""
The L{PackageManager} spawns a L{ReleaseUpgrader} run if messages
of type C{"operation-result"} are accepted.
"""
self.manager.add(self.package_manager)
service = self.broker_service
service.message_store.set_accepted_types(["operation-result"])
package_manager_mock = self.mocker.patch(self.package_manager)
package_manager_mock.spawn_handler(ReleaseUpgrader)
self.mocker.count(2) # Once for registration, then again explicitly.
self.mocker.replay()
return self.package_manager.run()
def test_change_packages_handling(self):
self.manager.add(self.package_manager)
package_manager_mock = self.mocker.patch(self.package_manager)
package_manager_mock.spawn_handler(PackageChanger)
self.mocker.replay()
message = {"type": "change-packages"}
self.manager.dispatch_message(message)
task = self.package_store.get_next_task("changer")
self.assertTrue(task)
self.assertEquals(task.data, message)
def test_release_upgrade_handling(self):
"""
The L{PackageManager.handle_release_upgrade} method is registered has
handler for messages of type C{"release-upgrade"}, and queues a task
in the appropriate queue.
"""
self.manager.add(self.package_manager)
package_manager_mock = self.mocker.patch(self.package_manager)
package_manager_mock.spawn_handler(ReleaseUpgrader)
self.mocker.replay()
message = {"type": "release-upgrade"}
self.manager.dispatch_message(message)
task = self.package_store.get_next_task("release-upgrader")
self.assertTrue(task)
self.assertEquals(task.data, message)
def test_spawn_changer(self):
"""
The L{PackageManager.spawn_handler} method executes the correct command
when passed the L{PackageChanger} class as argument.
"""
command = self.makeFile("#!/bin/sh\necho 'I am the changer!' >&2\n")
os.chmod(command, 0755)
find_command_mock = self.mocker.replace(find_changer_command)
find_command_mock()
self.mocker.result(command)
self.mocker.replay()
self.package_store.add_task("changer", "Do something!")
self.manager.add(self.package_manager)
result = self.package_manager.spawn_handler(PackageChanger)
def got_result(result):
log = self.logfile.getvalue()
self.assertIn("I am the changer!", log)
self.assertNotIn(command, log)
return result.addCallback(got_result)
def test_spawn_release_upgrader(self):
"""
The L{PackageManager.spawn_handler} method executes the correct command
when passed the L{ReleaseUpgrader} class as argument.
"""
command = self.makeFile("#!/bin/sh\necho 'I am the upgrader!' >&2\n")
os.chmod(command, 0755)
find_command_mock = self.mocker.replace(find_release_upgrader_command)
find_command_mock()
self.mocker.result(command)
self.mocker.replay()
self.package_store.add_task("release-upgrader", "Do something!")
self.manager.add(self.package_manager)
result = self.package_manager.spawn_handler(ReleaseUpgrader)
def got_result(result):
log = self.logfile.getvalue()
self.assertIn("I am the upgrader!", log)
self.assertNotIn(command, log)
return result.addCallback(got_result)
def test_spawn_handler_without_output(self):
find_command_mock = self.mocker.replace(find_changer_command)
find_command_mock()
self.mocker.result("/bin/true")
self.mocker.replay()
self.package_store.add_task("changer", "Do something!")
self.manager.add(self.package_manager)
result = self.package_manager.spawn_handler(PackageChanger)
def got_result(result):
log = self.logfile.getvalue()
self.assertNotIn("changer output", log)
return result.addCallback(got_result)
def test_spawn_handler_copies_environment(self):
command = self.makeFile("#!/bin/sh\necho VAR: $VAR\n")
os.chmod(command, 0755)
find_command_mock = self.mocker.replace(find_changer_command)
find_command_mock()
self.mocker.result(command)
self.mocker.replay()
self.manager.add(self.package_manager)
self.package_store.add_task("changer", "Do something!")
os.environ["VAR"] = "HI!"
result = self.package_manager.spawn_handler(PackageChanger)
def got_result(result):
log = self.logfile.getvalue()
self.assertIn("VAR: HI!", log)
self.assertNotIn(command, log)
return result.addCallback(got_result)
def test_spawn_handler_passes_quiet_option(self):
command = self.makeFile("#!/bin/sh\necho OPTIONS: $@\n")
os.chmod(command, 0755)
find_command_mock = self.mocker.replace(find_changer_command)
find_command_mock()
self.mocker.result(command)
self.mocker.replay()
self.manager.add(self.package_manager)
self.package_store.add_task("changer", "Do something!")
result = self.package_manager.spawn_handler(PackageChanger)
def got_result(result):
log = self.logfile.getvalue()
self.assertIn("OPTIONS: --quiet", log)
self.assertNotIn(command, log)
return result.addCallback(got_result)
def test_spawn_handler_wont_run_without_tasks(self):
command = self.makeFile("#!/bin/sh\necho RUN!\n")
os.chmod(command, 0755)
self.manager.add(self.package_manager)
result = self.package_manager.spawn_handler(PackageChanger)
def got_result(result):
log = self.logfile.getvalue()
self.assertNotIn("RUN!", log)
return result.addCallback(got_result)
def test_spawn_handler_doesnt_chdir(self):
command = self.makeFile("#!/bin/sh\necho RUN\n")
os.chmod(command, 0755)
dir = self.makeDir()
os.chdir(dir)
os.chmod(dir, 0)
find_command_mock = self.mocker.replace(find_changer_command)
find_command_mock()
self.mocker.result(command)
self.mocker.replay()
self.manager.add(self.package_manager)
self.package_store.add_task("changer", "Do something!")
result = self.package_manager.spawn_handler(PackageChanger)
def got_result(result):
log = self.logfile.getvalue()
self.assertIn("RUN", log)
# restore permissions to the dir so tearDown can clean it up
os.chmod(dir, 0766)
return result.addCallback(got_result)
def test_change_package_locks_handling(self):
"""
The L{PackageManager.handle_change_package_locks} method is registered
as handler for messages of type C{"change-package-locks"}, and queues
a package-changer task in the appropriate queue.
"""
self.manager.add(self.package_manager)
package_manager_mock = self.mocker.patch(self.package_manager)
package_manager_mock.spawn_handler(PackageChanger)
self.mocker.replay()
message = {"type": "change-package-locks"}
self.manager.dispatch_message(message)
task = self.package_store.get_next_task("changer")
self.assertTrue(task)
self.assertEquals(task.data, message)
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