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path: root/test/features/environment.py
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import os
import sys
from tempfile import mkstemp

import db_utils as dbutils
import fixture_utils as fixutils
import pexpect

from steps.wrappers import run_cli, wait_prompt

test_log_file = os.path.join(os.environ['HOME'], '.mycli.test.log')


def before_all(context):
    """Set env parameters."""
    os.environ['LINES'] = "100"
    os.environ['COLUMNS'] = "100"
    os.environ['EDITOR'] = 'ex'
    os.environ['LC_ALL'] = 'en_US.UTF-8'
    os.environ['PROMPT_TOOLKIT_NO_CPR'] = '1'
    os.environ['MYCLI_HISTFILE'] = os.devnull

    test_dir = os.path.abspath(os.path.dirname(os.path.dirname(__file__)))
    login_path_file = os.path.join(test_dir, 'mylogin.cnf')
    os.environ['MYSQL_TEST_LOGIN_FILE'] = login_path_file

    context.package_root = os.path.abspath(
        os.path.dirname(os.path.dirname(os.path.dirname(__file__))))

    os.environ["COVERAGE_PROCESS_START"] = os.path.join(context.package_root,
                                                        '.coveragerc')

    context.exit_sent = False

    vi = '_'.join([str(x) for x in sys.version_info[:3]])
    db_name = context.config.userdata.get(
        'my_test_db', None) or "mycli_behave_tests"
    db_name_full = '{0}_{1}'.format(db_name, vi)

    # Store get params from config/environment variables
    context.conf = {
        'host': context.config.userdata.get(
            'my_test_host',
            os.getenv('PYTEST_HOST', 'localhost')
        ),
        'port': context.config.userdata.get(
            'my_test_port',
            int(os.getenv('PYTEST_PORT', '3306'))
        ),
        'user': context.config.userdata.get(
            'my_test_user',
            os.getenv('PYTEST_USER', 'root')
        ),
        'pass': context.config.userdata.get(
            'my_test_pass',
            os.getenv('PYTEST_PASSWORD', None)
        ),
        'cli_command': context.config.userdata.get(
            'my_cli_command', None) or
        sys.executable + ' -c "import coverage ; coverage.process_startup(); import mycli.main; mycli.main.cli()"',
        'dbname': db_name,
        'dbname_tmp': db_name_full + '_tmp',
        'vi': vi,
        'pager_boundary': '---boundary---',
    }

    _, my_cnf = mkstemp()
    with open(my_cnf, 'w') as f:
        f.write(
            '[client]\n'
            'pager={0} {1} {2}\n'.format(
                sys.executable, os.path.join(context.package_root,
                                             'test/features/wrappager.py'),
                context.conf['pager_boundary'])
        )
    context.conf['defaults-file'] = my_cnf
    context.conf['myclirc'] = os.path.join(context.package_root, 'test',
                                           'myclirc')

    context.cn = dbutils.create_db(context.conf['host'], context.conf['port'],
                                   context.conf['user'],
                                   context.conf['pass'],
                                   context.conf['dbname'])

    context.fixture_data = fixutils.read_fixture_files()


def after_all(context):
    """Unset env parameters."""
    dbutils.close_cn(context.cn)
    dbutils.drop_db(context.conf['host'], context.conf['port'],
                    context.conf['user'], context.conf['pass'],
                    context.conf['dbname'])

    # Restore env vars.
    #for k, v in context.pgenv.items():
    #    if k in os.environ and v is None:
    #        del os.environ[k]
    #    elif v:
    #        os.environ[k] = v


def before_step(context, _):
    context.atprompt = False


def before_scenario(context, _):
    with open(test_log_file, 'w') as f:
        f.write('')
    run_cli(context)
    wait_prompt(context)


def after_scenario(context, _):
    """Cleans up after each test complete."""
    with open(test_log_file) as f:
        for line in f:
            if 'error' in line.lower():
                raise RuntimeError(f'Error in log file: {line}')

    if hasattr(context, 'cli') and not context.exit_sent:
        # Quit nicely.
        if not context.atprompt:
            user = context.conf['user']
            host = context.conf['host']
            dbname = context.currentdb
            context.cli.expect_exact(
                '{0}@{1}:{2}>'.format(
                    user, host, dbname
                ),
                timeout=5
            )
        context.cli.sendcontrol('c')
        context.cli.sendcontrol('d')
        context.cli.expect_exact(pexpect.EOF, timeout=5)

# TODO: uncomment to debug a failure
# def after_step(context, step):
#     if step.status == "failed":
#         import ipdb; ipdb.set_trace()