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Viewing changes to autopilot/tests/test_unity_logging.py

  • Committer: Thomi Richards
  • Date: 2012-05-06 22:45:27 UTC
  • Revision ID: thomi.richards@canonical.com-20120506224527-xh6wixqiw0rarkmh
Imported code from unity.

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autopilot/tests/test_unity_logging.py
 
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# -*- Mode: Python; coding: utf-8; indent-tabs-mode: nil; tab-width: 4 -*-
 
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# Copyright 2012 Canonical
 
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# Author: Thomi Richards
 
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#
 
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# This program is free software: you can redistribute it and/or modify it
 
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# under the terms of the GNU General Public License version 3, as published
 
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# by the Free Software Foundation.
 
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from os import remove
 
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from os.path import exists
 
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from tempfile import mktemp
 
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from testtools.matchers import Contains, Not
 
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from time import sleep
 
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from autopilot.tests import AutopilotTestCase
 
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from autopilot.emulators.unity import (
 
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    start_log_to_file,
 
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    reset_logging,
 
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    set_log_severity,
 
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    log_unity_message,
 
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    )
 
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class UnityLoggingTests(AutopilotTestCase):
 
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    """Tests for Unity's debug logging framework."""
 
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    def start_new_log_file(self):
 
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        fpath = mktemp()
 
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        start_log_to_file(fpath)
 
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        return fpath
 
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    def test_new_file_created(self):
 
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        """Unity must create log file when we call start_log_to_file.
 
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        """
 
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        fpath = self.start_new_log_file()
 
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        self.addCleanup(remove, fpath)
 
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        self.addCleanup(reset_logging)
 
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        sleep(1)
 
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        self.assertTrue(exists(fpath))
 
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    def test_messages_arrive_in_file(self):
 
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        fpath = self.start_new_log_file()
 
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        log_unity_message("WARNING", "This is a warning of things to come")
 
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        sleep(1)
 
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        reset_logging()
 
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        with open(fpath, 'r') as f:
 
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            self.assertThat(f.read(), Contains("This is a warning of things to come"))
 
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    def test_default_log_level_unchanged(self):
 
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        fpath = self.start_new_log_file()
 
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        log_unity_message("DEBUG", "This is some INFORMATION")
 
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        sleep(1)
 
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        reset_logging()
 
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        with open(fpath, 'r') as f:
 
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            self.assertThat(f.read(), Not(Contains("This is some INFORMATION")))
 
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    def test_can_change_log_level(self):
 
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        fpath = self.start_new_log_file()
 
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        set_log_severity("", "DEBUG")
 
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        self.addCleanup(set_log_severity, "", "INFO")
 
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        log_unity_message("DEBUG", "This is some more INFORMATION")
 
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        sleep(1)
 
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        reset_logging()
 
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        with open(fpath, 'r') as f:
 
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            self.assertThat(f.read(), Contains("This is some more INFORMATION"))