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path: root/meta/lib/oeqa/core/context.py
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## Copyright (C) 2016 Intel Corporation
#
# SPDX-License-Identifier: MIT
#

import os
import sys
import json
import time
import logging
import collections
import unittest

from oeqa.core.loader import OETestLoader
from oeqa.core.runner import OETestRunner
from oeqa.core.exception import OEQAMissingManifest, OEQATestNotFound

class OETestContext(object):
    loaderClass = OETestLoader
    runnerClass = OETestRunner

    files_dir = os.path.abspath(os.path.join(os.path.dirname(
        os.path.abspath(__file__)), "../files"))

    def __init__(self, td=None, logger=None):
        if not type(td) is dict:
            raise TypeError("td isn't dictionary type")

        self.td = td
        self.logger = logger
        self._registry = {}
        self._registry['cases'] = collections.OrderedDict()

    def _read_modules_from_manifest(self, manifest):
        if not os.path.exists(manifest):
            raise OEQAMissingManifest("Manifest does not exist on %s" % manifest)

        modules = []
        for line in open(manifest).readlines():
            line = line.strip()
            if line and not line.startswith("#"):
                modules.append(line)

        return modules

    def skipTests(self, skips):
        if not skips:
            return
        def skipfuncgen(skipmsg):
            def func():
                raise unittest.SkipTest(skipmsg)
            return func
        class_ids = {}
        for test in self.suites:
            if test.__class__ not in class_ids:
                class_ids[test.__class__] = '.'.join(test.id().split('.')[:-1])
            for skip in skips:
                if (test.id()+'.').startswith(skip+'.'):
                    setattr(test, 'setUp', skipfuncgen('Skip by the command line argument "%s"' % skip))
        for tclass in class_ids:
            cid = class_ids[tclass]
            for skip in skips:
                if (cid + '.').startswith(skip + '.'):
                    setattr(tclass, 'setUpHooker', skipfuncgen('Skip by the command line argument "%s"' % skip))

    def loadTests(self, module_paths, modules=[], tests=[],
            modules_manifest="", modules_required=[], filters={}):
        if modules_manifest:
            modules = self._read_modules_from_manifest(modules_manifest)

        self.loader = self.loaderClass(self, module_paths, modules, tests,
                modules_required, filters)
        self.suites = self.loader.discover()

    def runTests(self, processes=None, skips=[]):
        self.runner = self.runnerClass(self, descriptions=False, verbosity=2)

        # Dinamically skip those tests specified though arguments
        self.skipTests(skips)

        self._run_start_time = time.time()
        if processes:
            from oeqa.core.utils.concurrencytest import ConcurrentTestSuite

            concurrent_suite = ConcurrentTestSuite(self.suites, processes)
            result = self.runner.run(concurrent_suite)
        else:
            self.runner.buffer = True
            result = self.runner.run(self.suites)
        self._run_end_time = time.time()

        return result

    def listTests(self, display_type):
        self.runner = self.runnerClass(self, verbosity=2)
        return self.runner.list_tests(self.suites, display_type)

class OETestContextExecutor(object):
    _context_class = OETestContext
    _script_executor = 'oe-test'

    name = 'core'
    help = 'core test component example'
    description = 'executes core test suite example'

    default_cases = [os.path.join(os.path.abspath(os.path.dirname(__file__)),
            'cases/example')]
    default_test_data = os.path.join(default_cases[0], 'data.json')
    default_tests = None

    def register_commands(self, logger, subparsers):
        self.parser = subparsers.add_parser(self.name, help=self.help,
                description=self.description, group='components')

        self.default_output_log = '%s-results-%s.log' % (self.name,
                time.strftime("%Y%m%d%H%M%S"))
        self.parser.add_argument('--output-log', action='store',
                default=self.default_output_log,
                help="results output log, default: %s" % self.default_output_log)

        group = self.parser.add_mutually_exclusive_group()
        group.add_argument('--run-tests', action='store', nargs='+',
                default=self.default_tests,
                help="tests to run in <module>[.<class>[.<name>]]")
        group.add_argument('--list-tests', action='store',
                choices=('module', 'class', 'name'),
                help="lists available tests")

        if self.default_test_data:
            self.parser.add_argument('--test-data-file', action='store',
                    default=self.default_test_data,
                    help="data file to load, default: %s" % self.default_test_data)
        else:
            self.parser.add_argument('--test-data-file', action='store',
                    help="data file to load")

        if self.default_cases:
            self.parser.add_argument('CASES_PATHS', action='store',
                    default=self.default_cases, nargs='*',
                    help="paths to directories with test cases, default: %s"\
                            % self.default_cases)
        else:
            self.parser.add_argument('CASES_PATHS', action='store',
                    nargs='+', help="paths to directories with test cases")

        self.parser.set_defaults(func=self.run)

    def _setup_logger(self, logger, args):
        formatter = logging.Formatter('%(asctime)s - ' + self.name + \
                ' - %(levelname)s - %(message)s')
        sh = logger.handlers[0]
        sh.setFormatter(formatter)
        fh = logging.FileHandler(args.output_log)
        fh.setFormatter(formatter)
        logger.addHandler(fh)

        return logger

    def _process_args(self, logger, args):
        self.tc_kwargs = {}
        self.tc_kwargs['init'] = {}
        self.tc_kwargs['load'] = {}
        self.tc_kwargs['list'] = {}
        self.tc_kwargs['run']  = {}

        self.tc_kwargs['init']['logger'] = self._setup_logger(logger, args)
        if args.test_data_file:
            self.tc_kwargs['init']['td'] = json.load(
                    open(args.test_data_file, "r"))
        else:
            self.tc_kwargs['init']['td'] = {}

        if args.run_tests:
            self.tc_kwargs['load']['modules'] = args.run_tests
            self.tc_kwargs['load']['modules_required'] = args.run_tests
        else:
            self.tc_kwargs['load']['modules'] = []

        self.tc_kwargs['run']['skips'] = []

        self.module_paths = args.CASES_PATHS

    def _pre_run(self):
        pass

    def run(self, logger, args):
        self._process_args(logger, args)

        self.tc = self._context_class(**self.tc_kwargs['init'])
        try:
            self.tc.loadTests(self.module_paths, **self.tc_kwargs['load'])
        except OEQATestNotFound as ex:
            logger.error(ex)
            sys.exit(1)

        if args.list_tests:
            rc = self.tc.listTests(args.list_tests, **self.tc_kwargs['list'])
        else:
            self._pre_run()
            rc = self.tc.runTests(**self.tc_kwargs['run'])
            rc.logDetails()
            rc.logSummary(self.name)

        output_link = os.path.join(os.path.dirname(args.output_log),
                "%s-results.log" % self.name)
        if os.path.exists(output_link):
            os.remove(output_link)
        os.symlink(args.output_log, output_link)

        return rc

_executor_class = OETestContextExecutor