148 lines
3.9 KiB
Python
Executable File
148 lines
3.9 KiB
Python
Executable File
#
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# Copyright (c) 2015-2016 Wind River Systems, Inc.
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#
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# SPDX-License-Identifier: Apache-2.0
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#
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import time
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import datetime
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import traceback
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from nfv_common import debug
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DLOG = debug.debug_get_logger('nfv_tests.test_base')
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class Test(object):
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"""
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Test Base Class
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"""
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LOG_FILES = {}
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def __init__(self, name, timeout_secs):
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self._name = name
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self._timeout_secs = timeout_secs
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self._start_datetime = None
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self._end_datetime = None
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@property
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def name(self):
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"""
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Returns the name of the test
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"""
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return self._name
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@property
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def timeout_secs(self):
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"""
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Returns the timeout in seconds
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"""
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return self._timeout_secs
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@property
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def start_datetime(self):
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"""
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Returns the start datetime of the test run
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"""
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return self._start_datetime
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@property
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def end_datetime(self):
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"""
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Returns the end datetime of the test run
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"""
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return self._end_datetime
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@property
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def elapsed_datetime(self):
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"""
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Returns the elapsed datetime of the test run
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"""
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return self._end_datetime - self._start_datetime
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def _reset_log_files(self):
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"""
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Clears the log files so that they are empty, expected to be overloaded
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"""
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for file_name in self.LOG_FILES.values():
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with open(file_name, 'w'):
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pass
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def _do_setup(self):
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"""
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Setup the test, expected to be overloaded
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"""
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return False, "abstract method _do_setup called"
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def _do_test(self):
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"""
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Perform the test, expected to be overloaded
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"""
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return False, "abstract method _do_test called"
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def _test_passed(self):
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"""
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Determine if test passed, expected to be overloaded
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"""
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return False, "abstract method _test_passed called"
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def setup(self):
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"""
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Setup test
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"""
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try:
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self._start_datetime = datetime.datetime.now()
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success, reason = self._do_setup()
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if not success:
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DLOG.error("Test setup %s failure, reason=%s."
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% (self._name, reason))
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return False
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return True
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except Exception as e:
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DLOG.error("Test setup %s exception, exception=%s."
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% (self._name, e))
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traceback.print_exc()
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return False
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finally:
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self._end_datetime = datetime.datetime.now()
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def run(self):
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"""
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Run test
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"""
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try:
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self._start_datetime = datetime.datetime.now()
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self._reset_log_files()
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success, reason = self._do_test()
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if not success:
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DLOG.error("Test run %s do_test failed, reason=%s."
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% (self._name, reason))
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return False
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time.sleep(5)
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max_end_datetime = (self._start_datetime +
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datetime.timedelta(seconds=self.timeout_secs))
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self._end_datetime = datetime.datetime.now()
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success, reason = self._test_passed()
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while not success:
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self._end_datetime = datetime.datetime.now()
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if self._end_datetime > max_end_datetime:
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DLOG.error("Test run %s timeout, reason=%s."
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% (self._name, reason))
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return False
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time.sleep(5)
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success, reason = self._test_passed()
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return True
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except Exception as e:
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DLOG.error("Test run %s exception, exception=%s." % (self._name, e))
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traceback.print_exc()
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return False
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finally:
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if self._end_datetime is None:
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self._end_datetime = datetime.datetime.now()
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