# -*- coding: utf-8 -*-
'''
    integration.cli_test
    ~~~~~~~~~~~~~~~~~~~~

    CLI related unit testing

    :codeauthor: Pedro Algarvio (pedro@algarvio.me)
'''

# Import Python libs
from __future__ import absolute_import, print_function

# Import salt testing libs
from tests.support.unit import skipIf

# Import salt libs
from tests.support.case import ShellCase
from tests.support.mixins import ShellCaseCommonTestsMixin

# Import 3rd-party libs
# pylint: disable=import-error
from salt.ext.six.moves import range  # pylint: disable=redefined-builtin
try:
    import libcloud  # pylint: disable=unused-import
    HAS_LIBCLOUD = True
except ImportError:
    HAS_LIBCLOUD = False
# pylint: enable=import-error


@skipIf(HAS_LIBCLOUD is False, 'salt-cloud requires >= libcloud 0.11.4')
class SaltCloudCliTest(ShellCase,
                       ShellCaseCommonTestsMixin):

    _call_binary_ = 'salt-cloud'

    def test_function_arguments(self):
        self.assertIn(
            'error: --function expects two arguments: '
            '<function-name> <provider>',
            '\n'.join(self.run_cloud('--function show_image -h', catch_stderr=True)[1])
        )

    def test_list_providers_accepts_no_arguments(self):
        self.assertIn(
            'error: \'--list-providers\' does not accept any '
            'arguments',
            '\n'.join(self.run_cloud('--list-providers ec2', catch_stderr=True)[1])
        )

    def test_mutually_exclusive_query_options(self):
        test_options = [
            '--query', '--full-query', '--select-query', '--list-providers'
        ]
        while True:
            for idx in range(1, len(test_options)):
                self.assertIn(
                    'error: The options {0}/{1} are mutually '
                    'exclusive. Please only choose one of them'.format(
                        test_options[0], test_options[idx]
                    ),
                    '\n'.join(
                        self.run_cloud(
                            '{0} {1}'.format(test_options[0], test_options[idx]),
                            catch_stderr=True)[1]
                    )
                )
            # Remove the first option from the list
            test_options.pop(0)
            if len(test_options) <= 1:
                # Only one left? Stop iterating
                break

    def test_mutually_exclusive_list_options(self):
        test_options = ['--list-locations', '--list-images', '--list-sizes']
        while True:
            for idx in range(1, len(test_options)):
                output = self.run_cloud(
                    '{0} ec2 {1} ec2'.format(
                        test_options[0], test_options[idx]
                    ), catch_stderr=True
                )
                try:
                    self.assertIn(
                        'error: The options {0}/{1} are mutually '
                        'exclusive. Please only choose one of them'.format(
                            test_options[0], test_options[idx]
                        ),
                        '\n'.join(output[1])
                    )
                except AssertionError:
                    print(output)
                    raise
            # Remove the first option from the list
            test_options.pop(0)
            if len(test_options) <= 1:
                # Only one left? Stop iterating
                break