summaryrefslogtreecommitdiffstats
path: root/xtesting/core/feature.py
blob: ed053e0976d2816a6c3ec81c89c89f6cd1da249b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
#!/usr/bin/env python

# Copyright (c) 2016 ZTE Corp and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0

"""Define the parent classes of all Xtesting Features.

Feature is considered as TestCase offered by Third-party. It offers
helpers to run any python method or any bash command.
"""

import logging
import subprocess
import time

from xtesting.core import testcase

__author__ = ("Serena Feng <feng.xiaowei@zte.com.cn>, "
              "Cedric Ollivier <cedric.ollivier@orange.com>")


class Feature(testcase.TestCase):
    """Base model for single feature."""

    __logger = logging.getLogger(__name__)
    dir_results = "/var/lib/xtesting/results"

    def __init__(self, **kwargs):
        super(Feature, self).__init__(**kwargs)
        self.result_file = "{}/{}.log".format(self.dir_results, self.case_name)
        try:
            module = kwargs['run']['module']
            self.logger = logging.getLogger(module)
        except KeyError:
            self.__logger.warning(
                "Cannot get module name %s. Using %s as fallback",
                kwargs, self.case_name)
            self.logger = logging.getLogger(self.case_name)
        Feature.configure_logger(self.logger, self.result_file)

    @staticmethod
    def configure_logger(logger, result_file):
        """Configure the logger to print in result_file."""
        handler = logging.StreamHandler()
        handler.setLevel(logging.WARN)
        logger.addHandler(handler)
        handler = logging.FileHandler(result_file)
        handler.setLevel(logging.DEBUG)
        logger.addHandler(handler)
        formatter = logging.Formatter(
            '%(asctime)s - %(name)s - %(levelname)s - %(message)s')
        handler.setFormatter(formatter)
        logger.addHandler(handler)

    def execute(self, **kwargs):
        """Execute the Python method.

        The subclasses must override the default implementation which
        is false on purpose.

        The new implementation must return 0 if success or anything
        else if failure.

        Args:
            kwargs: Arbitrary keyword arguments.

        Returns:
            -1.
        """
        # pylint: disable=unused-argument,no-self-use
        return -1

    def run(self, **kwargs):
        """Run the feature.

        It allows executing any Python method by calling execute().

        It sets the following attributes required to push the results
        to DB:

            * result,
            * start_time,
            * stop_time.

        It doesn't fulfill details when pushing the results to the DB.

        Args:
            kwargs: Arbitrary keyword arguments.

        Returns:
            TestCase.EX_OK if execute() returns 0,
            TestCase.EX_RUN_ERROR otherwise.
        """
        self.start_time = time.time()
        exit_code = testcase.TestCase.EX_RUN_ERROR
        self.result = 0
        try:
            if self.execute(**kwargs) == 0:
                exit_code = testcase.TestCase.EX_OK
                self.result = 100
        except Exception:  # pylint: disable=broad-except
            self.__logger.exception("%s FAILED", self.project_name)
        self.__logger.info("Test result is stored in '%s'", self.result_file)
        self.stop_time = time.time()
        return exit_code


class BashFeature(Feature):
    """Class designed to run any bash command."""

    __logger = logging.getLogger(__name__)

    def execute(self, **kwargs):
        """Execute the cmd passed as arg

        Args:
            kwargs: Arbitrary keyword arguments.

        Returns:
            0 if cmd returns 0,
            -1 otherwise.
        """
        ret = -1
        try:
            cmd = kwargs["cmd"]
            with open(self.result_file, 'w+') as f_stdout:
                proc = subprocess.Popen(cmd.split(), stdout=f_stdout,
                                        stderr=subprocess.STDOUT)
            ret = proc.wait()
            if ret != 0:
                self.__logger.error("Execute command: %s failed", cmd)
        except KeyError:
            self.__logger.error("Please give cmd as arg. kwargs: %s", kwargs)
        return ret