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Viewing changes to landscape/sysinfo/tests/test_processes.py

  • Committer: Andreas Hasenack
  • Date: 2011-05-05 14:12:15 UTC
  • Revision ID: andreas@canonical.com-20110505141215-5ymuyyh5es9pwa6p
Added hardy files.

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landscape/sysinfo/tests/test_processes.py
 
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from twisted.internet.defer import Deferred
 
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from landscape.sysinfo.sysinfo import SysInfoPluginRegistry
 
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from landscape.sysinfo.processes import Processes
 
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from landscape.tests.helpers import LandscapeTest, ProcessDataBuilder
 
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class ProcessesTest(LandscapeTest):
 
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    def setUp(self):
 
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        super(ProcessesTest, self).setUp()
 
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        self.fake_proc = self.makeDir()
 
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        self.processes = Processes(proc_dir=self.fake_proc)
 
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        self.sysinfo = SysInfoPluginRegistry()
 
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        self.sysinfo.add(self.processes)
 
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        self.builder = ProcessDataBuilder(self.fake_proc)
 
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    def test_run_returns_succeeded_deferred(self):
 
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        result = self.processes.run()
 
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        self.assertTrue(isinstance(result, Deferred))
 
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        called = []
 
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        def callback(result):
 
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            called.append(True)
 
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        result.addCallback(callback)
 
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        self.assertTrue(called)
 
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    def test_number_of_processes(self):
 
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        """The number of processes is added as a header."""
 
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        for i in range(3):
 
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            self.builder.create_data(i, self.builder.RUNNING, uid=0, gid=0,
 
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                                     process_name="foo%d" % (i,))
 
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        self.processes.run()
 
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        self.assertEquals(self.sysinfo.get_headers(),
 
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                          [("Processes", "3")])
 
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    def test_no_zombies(self):
 
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        self.processes.run()
 
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        self.assertEquals(self.sysinfo.get_notes(), [])
 
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    def test_number_of_zombies(self):
 
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        """The number of zombies is added as a note."""
 
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        self.builder.create_data(99, self.builder.ZOMBIE, uid=0, gid=0,
 
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                                 process_name="ZOMBERS")
 
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        self.processes.run()
 
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        self.assertEquals(self.sysinfo.get_notes(),
 
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                          ["There is 1 zombie process."])
 
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    def test_multiple_zombies(self):
 
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        """Stupid English, and its plurality"""
 
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        for i in range(2):
 
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            self.builder.create_data(i, self.builder.ZOMBIE, uid=0, gid=0,
 
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                                     process_name="ZOMBERS%d" % (i,))
 
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        self.processes.run()
 
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        self.assertEquals(self.sysinfo.get_notes(),
 
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                          ["There are 2 zombie processes."])