# -*- coding: utf-8 -*-
#
# (c) 2020, SCC France, Eric Belhomme <ebelhomme@fr.scc.com>
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)

from __future__ import (absolute_import, division, print_function)
__metaclass__ = type


import pytest
from ansible_collections.community.general.tests.unit.compat import unittest
from ansible_collections.community.general.tests.unit.compat.mock import patch, MagicMock
from ansible.errors import AnsibleError
from ansible_collections.community.general.plugins.lookup import etcd3
from ansible.plugins.loader import lookup_loader


class FakeKVMetadata:

    def __init__(self, keyvalue, header):
        self.key = keyvalue
        self.create_revision = ''
        self.mod_revision = ''
        self.version = ''
        self.lease_id = ''
        self.response_header = header


class FakeEtcd3Client(MagicMock):

    def get_prefix(self, key):
        for i in range(1, 4):
            yield self.get('{0}_{1}'.format(key, i))

    def get(self, key):
        return ("{0} value".format(key), FakeKVMetadata(key, None))


class TestLookupModule(unittest.TestCase):

    def setUp(self):
        etcd3.HAS_ETCD = True
        self.lookup = lookup_loader.get('community.general.etcd3')

    @patch('ansible_collections.community.general.plugins.lookup.etcd3.etcd3_client', FakeEtcd3Client())
    def test_key(self):
        expected_result = [{'key': 'a_key', 'value': 'a_key value'}]
        self.assertListEqual(expected_result, self.lookup.run(['a_key'], []))

    @patch('ansible_collections.community.general.plugins.lookup.etcd3.etcd3_client', FakeEtcd3Client())
    def test_key_prefix(self):
        expected_result = [
            {'key': 'a_key_1', 'value': 'a_key_1 value'},
            {'key': 'a_key_2', 'value': 'a_key_2 value'},
            {'key': 'a_key_3', 'value': 'a_key_3 value'},
        ]
        self.assertListEqual(expected_result, self.lookup.run(['a_key'], [], **{'prefix': True}))