aboutsummaryrefslogtreecommitdiffstats
path: root/xtesting/core/testcase.py
blob: 61a2e8c8580f6436e2f8f268eb05c601984972aa (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
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
#!/usr/bin/env python

# Copyright (c) 2016 Orange 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 class of all Xtesting TestCases."""

from datetime import datetime
import json
import logging
import os
import re
import requests

import prettytable

from xtesting.utils import decorators
from xtesting.utils import env

__author__ = "Cedric Ollivier <cedric.ollivier@orange.com>"


class TestCase(object):  # pylint: disable=too-many-instance-attributes
    """Base model for single test case."""

    EX_OK = os.EX_OK
    """everything is OK"""

    EX_RUN_ERROR = os.EX_SOFTWARE
    """run() failed"""

    EX_PUSH_TO_DB_ERROR = os.EX_SOFTWARE - 1
    """push_to_db() failed"""

    EX_TESTCASE_FAILED = os.EX_SOFTWARE - 2
    """results are false"""

    EX_TESTCASE_SKIPPED = os.EX_SOFTWARE - 3
    """requirements are unmet"""

    _job_name_rule = "(dai|week)ly-(.+?)-[0-9]*"
    _headers = {'Content-Type': 'application/json'}
    __logger = logging.getLogger(__name__)

    def __init__(self, **kwargs):
        self.details = {}
        self.project_name = kwargs.get('project_name', 'xtesting')
        self.case_name = kwargs.get('case_name', '')
        self.criteria = kwargs.get('criteria', 100)
        self.result = 0
        self.start_time = 0
        self.stop_time = 0
        self.is_skipped = False

    def __str__(self):
        try:
            assert self.project_name
            assert self.case_name
            if self.is_skipped:
                result = 'SKIP'
            else:
                result = 'PASS' if(self.is_successful(
                    ) == TestCase.EX_OK) else 'FAIL'
            msg = prettytable.PrettyTable(
                header_style='upper', padding_width=5,
                field_names=['test case', 'project', 'duration',
                             'result'])
            msg.add_row([self.case_name, self.project_name,
                         self.get_duration(), result])
            return msg.get_string()
        except AssertionError:
            self.__logger.error("We cannot print invalid objects")
            return super(TestCase, self).__str__()

    def get_duration(self):
        """Return the duration of the test case.

        Returns:
            duration if start_time and stop_time are set
            "XX:XX" otherwise.
        """
        try:
            if self.is_skipped:
                return "00:00"
            assert self.start_time
            assert self.stop_time
            if self.stop_time < self.start_time:
                return "XX:XX"
            return "{0[0]:02.0f}:{0[1]:02.0f}".format(divmod(
                self.stop_time - self.start_time, 60))
        except Exception:  # pylint: disable=broad-except
            self.__logger.error("Please run test before getting the duration")
            return "XX:XX"

    def is_successful(self):
        """Interpret the result of the test case.

        It allows getting the result of TestCase. It completes run()
        which only returns the execution status.

        It can be overriden if checking result is not suitable.

        Returns:
            TestCase.EX_OK if result is 'PASS'.
            TestCase.EX_TESTCASE_SKIPPED if test case is skipped.
            TestCase.EX_TESTCASE_FAILED otherwise.
        """
        try:
            if self.is_skipped:
                return TestCase.EX_TESTCASE_SKIPPED
            assert self.criteria
            assert self.result is not None
            if (not isinstance(self.result, str) and
                    not isinstance(self.criteria, str)):
                if self.result >= self.criteria:
                    return TestCase.EX_OK
            else:
                # Backward compatibility
                # It must be removed as soon as TestCase subclasses
                # stop setting result = 'PASS' or 'FAIL'.
                # In this case criteria is unread.
                self.__logger.warning(
                    "Please update result which must be an int!")
                if self.result == 'PASS':
                    return TestCase.EX_OK
        except AssertionError:
            self.__logger.error("Please run test before checking the results")
        return TestCase.EX_TESTCASE_FAILED

    def check_requirements(self):  # pylint: disable=no-self-use
        """Check the requirements of the test case.

        It can be overriden on purpose.
        """
        self.is_skipped = False

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

        It allows running TestCase and getting its execution
        status.

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

        The new implementation must set the following attributes to
        push the results to DB:

            * result,
            * start_time,
            * stop_time.

        Args:
            kwargs: Arbitrary keyword arguments.

        Returns:
            TestCase.EX_RUN_ERROR.
        """
        # pylint: disable=unused-argument
        self.__logger.error("Run must be implemented")
        return TestCase.EX_RUN_ERROR

    @decorators.can_dump_request_to_file
    def push_to_db(self):
        """Push the results of the test case to the DB.

        It allows publishing the results and checking the status.

        It could be overriden if the common implementation is not
        suitable.

        The following attributes must be set before pushing the results to DB:

            * project_name,
            * case_name,
            * result,
            * start_time,
            * stop_time.

        The next vars must be set in env:

            * TEST_DB_URL,
            * INSTALLER_TYPE,
            * DEPLOY_SCENARIO,
            * NODE_NAME,
            * BUILD_TAG.

        Returns:
            TestCase.EX_OK if results were pushed to DB.
            TestCase.EX_PUSH_TO_DB_ERROR otherwise.
        """
        try:
            if self.is_skipped:
                return TestCase.EX_PUSH_TO_DB_ERROR
            assert self.project_name
            assert self.case_name
            assert self.start_time
            assert self.stop_time
            url = env.get('TEST_DB_URL')
            data = {"project_name": self.project_name,
                    "case_name": self.case_name,
                    "details": self.details}
            data["installer"] = env.get('INSTALLER_TYPE')
            data["scenario"] = env.get('DEPLOY_SCENARIO')
            data["pod_name"] = env.get('NODE_NAME')
            data["build_tag"] = env.get('BUILD_TAG')
            data["criteria"] = 'PASS' if self.is_successful(
                ) == TestCase.EX_OK else 'FAIL'
            data["start_date"] = datetime.fromtimestamp(
                self.start_time).strftime('%Y-%m-%d %H:%M:%S')
            data["stop_date"] = datetime.fromtimestamp(
                self.stop_time).strftime('%Y-%m-%d %H:%M:%S')
            try:
                data["version"] = re.search(
                    TestCase._job_name_rule,
                    env.get('BUILD_TAG')).group(2)
            except Exception:  # pylint: disable=broad-except
                data["version"] = "unknown"
            req = requests.post(
                url, data=json.dumps(data, sort_keys=True),
                headers=self._headers)
            req.raise_for_status()
            self.__logger.info(
                "The results were successfully pushed to DB %s", url)
        except AssertionError:
            self.__logger.exception(
                "Please run test before publishing the results")
            return TestCase.EX_PUSH_TO_DB_ERROR
        except requests.exceptions.HTTPError:
            self.__logger.exception("The HTTP request raises issues")
            return TestCase.EX_PUSH_TO_DB_ERROR
        except Exception:  # pylint: disable=broad-except
            self.__logger.exception("The results cannot be pushed to DB")
            return TestCase.EX_PUSH_TO_DB_ERROR
        return TestCase.EX_OK

    def clean(self):
        """Clean the resources.

        It can be overriden if resources must be deleted after
        running the test case.
        """