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path: root/tests/unit/common/test_ansible_common.py
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# Copyright (c) 2016-2017 Intel Corporation
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


from __future__ import absolute_import

import os
import tempfile
from collections import defaultdict

import mock
import unittest

from six.moves.configparser import ConfigParser
from six.moves import StringIO

from yardstick.common import ansible_common

PREFIX = 'yardstick.common.ansible_common'


class OverwriteDictTestCase(unittest.TestCase):
    def test_overwrite_dict_cfg(self):
        c = ConfigParser(allow_no_value=True)
        d = {
            "section_a": "empty_value",
            "section_b": {"key_c": "Val_d", "key_d": "VAL_D"},
            "section_c": ["key_c", "key_d"],
        }
        ansible_common.overwrite_dict_to_cfg(c, d)
        # Python3 and Python2 convert empty values into None or ''
        # we don't really care but we need to compare correctly for unittest
        self.assertTrue(c.has_option("section_a", "empty_value"))
        self.assertEqual(sorted(c.items("section_b")), [('key_c', 'Val_d'), ('key_d', 'VAL_D')])
        self.assertTrue(c.has_option("section_c", "key_c"))
        self.assertTrue(c.has_option("section_c", "key_d"))


class FilenameGeneratorTestCase(unittest.TestCase):
    @mock.patch('{}.NamedTemporaryFile'.format(PREFIX))
    def test__handle_existing_file(self, mock_tmp):
        ansible_common.FileNameGenerator._handle_existing_file("/dev/null")

    def test_get_generator_from_file(self):
        ansible_common.FileNameGenerator.get_generator_from_filename("/dev/null", "", "", "")

    def test_get_generator_from_file_middle(self):
        ansible_common.FileNameGenerator.get_generator_from_filename("/dev/null", "", "",
                                                                     "null")

    def test_get_generator_from_file_prefix(self):
        ansible_common.FileNameGenerator.get_generator_from_filename("/dev/null", "", "null",
                                                                     "middle")


class AnsibleNodeTestCase(unittest.TestCase):
    def test_ansible_node(self):
        ansible_common.AnsibleNode()

    def test_ansible_node_len(self):
        a = ansible_common.AnsibleNode()
        len(a)

    def test_ansible_node_repr(self):
        a = ansible_common.AnsibleNode()
        repr(a)

    def test_ansible_node_iter(self):
        a = ansible_common.AnsibleNode()
        for _ in a:
            pass

    def test_is_role(self):
        a = ansible_common.AnsibleNode()
        self.assertFalse(a.is_role("", default="foo"))

    def test_ansible_node_get_tuple(self):
        a = ansible_common.AnsibleNode({"name": "name"})
        self.assertEqual(a.get_tuple(), ('name', a))

    def test_gen_inventory_line(self):
        a = ansible_common.AnsibleNode(defaultdict(str))
        self.assertEqual(a.gen_inventory_line(), "")

    def test_ansible_node_delitem(self):
        a = ansible_common.AnsibleNode({"name": "name"})
        del a['name']

    def test_ansible_node_getattr(self):
        a = ansible_common.AnsibleNode({"name": "name"})
        self.assertEqual(getattr(a, "nosuch", None), None)


class AnsibleNodeDictTestCase(unittest.TestCase):
    def test_ansible_node_dict(self):
        n = ansible_common.AnsibleNode
        ansible_common.AnsibleNodeDict(n, {})

    def test_ansible_node_dict_len(self):
        n = ansible_common.AnsibleNode
        a = ansible_common.AnsibleNodeDict(n, {})
        len(a)

    def test_ansible_node_dict_repr(self):
        n = ansible_common.AnsibleNode
        a = ansible_common.AnsibleNodeDict(n, {})
        repr(a)

    def test_ansible_node_dict_iter(self):
        n = ansible_common.AnsibleNode
        a = ansible_common.AnsibleNodeDict(n, {})
        for _ in a:
            pass

    def test_ansible_node_dict_get(self):
        n = ansible_common.AnsibleNode
        a = ansible_common.AnsibleNodeDict(n, {})
        self.assertIsNone(a.get(""))

    def test_gen_inventory_lines_for_all_of_type(self):
        n = ansible_common.AnsibleNode
        a = ansible_common.AnsibleNodeDict(n, {})
        self.assertEqual(a.gen_inventory_lines_for_all_of_type(""), [])

    def test_gen_inventory_lines(self):
        n = ansible_common.AnsibleNode
        a = ansible_common.AnsibleNodeDict(n, [{
            "name": "name", "user": "user", "password": "PASS",
            "role": "role",
        }])
        self.assertEqual(a.gen_all_inventory_lines(),
                         ["name ansible_ssh_pass=PASS ansible_user=user"])


class AnsibleCommonTestCase(unittest.TestCase):
    def test_get_timeouts(self):
        self.assertAlmostEquals(ansible_common.AnsibleCommon.get_timeout(-100), 1200.0)

    def test__init__(self):
        ansible_common.AnsibleCommon({})

    def test_reset(self):
        a = ansible_common.AnsibleCommon({})
        a.reset()

    def test_do_install_no_dir(self):
        a = ansible_common.AnsibleCommon({})
        self.assertRaises(OSError, a.do_install, '', '')

    def test_gen_inventory_dict(self):
        nodes = [{
            "name": "name", "user": "user", "password": "PASS",
            "role": "role",
        }]
        a = ansible_common.AnsibleCommon(nodes)
        a.gen_inventory_ini_dict()
        self.assertEqual(a.inventory_dict, {
            'nodes': ['name ansible_ssh_pass=PASS ansible_user=user'],
            'role': ['name']
        })

    def test_deploy_dir(self):
        a = ansible_common.AnsibleCommon({})
        self.assertRaises(ValueError, getattr, a, "deploy_dir")

    def test_deploy_dir_set(self):
        a = ansible_common.AnsibleCommon({})
        a.deploy_dir = ""

    def test_deploy_dir_set_get(self):
        a = ansible_common.AnsibleCommon({})
        a.deploy_dir = "d"
        self.assertEqual(a.deploy_dir, "d")

    @mock.patch('{}.open'.format(PREFIX))
    def test__gen_ansible_playbook_file_list(self, mock_open):
        d = tempfile.mkdtemp()
        try:
            a = ansible_common.AnsibleCommon({})
            a._gen_ansible_playbook_file(["a"], d)
        finally:
            os.rmdir(d)

    @mock.patch('{}.NamedTemporaryFile'.format(PREFIX))
    @mock.patch('{}.open'.format(PREFIX))
    def test__gen_ansible_inventory_file(self, mock_open, mock_tmp):
        nodes = [{
            "name": "name", "user": "user", "password": "PASS",
            "role": "role",
        }]
        d = tempfile.mkdtemp()
        try:
            a = ansible_common.AnsibleCommon(nodes)
            a.gen_inventory_ini_dict()
            inv_context = a._gen_ansible_inventory_file(d)
            with inv_context:
                c = StringIO()
                inv_context.write_func(c)
                self.assertIn("ansible_ssh_pass=PASS", c.getvalue())
        finally:
            os.rmdir(d)

    @mock.patch('{}.NamedTemporaryFile'.format(PREFIX))
    @mock.patch('{}.open'.format(PREFIX))
    def test__gen_ansible_playbook_file_list_multiple(self, mock_open, mock_tmp):
        d = tempfile.mkdtemp()
        try:
            a = ansible_common.AnsibleCommon({})
            a._gen_ansible_playbook_file(["a", "b"], d)
        finally:
            os.rmdir(d)

    @mock.patch('{}.NamedTemporaryFile'.format(PREFIX))
    @mock.patch('{}.Popen'.format(PREFIX))
    @mock.patch('{}.open'.format(PREFIX))
    def test_do_install_tmp_dir(self, mock_open, mock_popen, mock_tmp):
        mock_popen.return_value.communicate.return_value = "", ""
        mock_popen.return_value.wait.return_value = 0
        d = tempfile.mkdtemp()
        try:
            a = ansible_common.AnsibleCommon({})
            a.do_install('', d)
        finally:
            os.rmdir(d)

    @mock.patch('{}.NamedTemporaryFile'.format(PREFIX))
    @mock.patch('{}.Popen'.format(PREFIX))
    @mock.patch('{}.open'.format(PREFIX))
    def test_execute_ansible_check(self, mock_open, mock_popen, mock_tmp):
        mock_popen.return_value.communicate.return_value = "", ""
        mock_popen.return_value.wait.return_value = 0
        d = tempfile.mkdtemp()
        try:
            a = ansible_common.AnsibleCommon({})
            a.execute_ansible('', d, ansible_check=True, verbose=True)
        finally:
            os.rmdir(d)