ansible/test/units/utils/test_vars.py

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# (c) 2012-2014, Michael DeHaan <michael.dehaan@gmail.com>
# (c) 2015, Toshio Kuraotmi <tkuratomi@ansible.com>
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
# Make coding more python3-ish
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
from collections import defaultdict
from units.compat import mock, unittest
from ansible.errors import AnsibleError
from ansible.utils.vars import combine_vars, merge_hash
class TestVariableUtils(unittest.TestCase):
def setUp(self):
pass
def tearDown(self):
pass
combine_vars_merge_data = (
dict(
a=dict(a=1),
b=dict(b=2),
result=dict(a=1, b=2),
),
dict(
a=dict(a=1, c=dict(foo='bar')),
b=dict(b=2, c=dict(baz='bam')),
result=dict(a=1, b=2, c=dict(foo='bar', baz='bam'))
),
dict(
a=defaultdict(a=1, c=defaultdict(foo='bar')),
b=dict(b=2, c=dict(baz='bam')),
result=defaultdict(a=1, b=2, c=defaultdict(foo='bar', baz='bam'))
),
)
combine_vars_replace_data = (
dict(
a=dict(a=1),
b=dict(b=2),
result=dict(a=1, b=2)
),
dict(
a=dict(a=1, c=dict(foo='bar')),
b=dict(b=2, c=dict(baz='bam')),
result=dict(a=1, b=2, c=dict(baz='bam'))
),
dict(
a=defaultdict(a=1, c=dict(foo='bar')),
b=dict(b=2, c=defaultdict(baz='bam')),
result=defaultdict(a=1, b=2, c=defaultdict(baz='bam'))
),
)
def test_combine_vars_improper_args(self):
with mock.patch('ansible.constants.DEFAULT_HASH_BEHAVIOUR', 'replace'):
with self.assertRaises(AnsibleError):
combine_vars([1, 2, 3], dict(a=1))
with self.assertRaises(AnsibleError):
combine_vars(dict(a=1), [1, 2, 3])
with mock.patch('ansible.constants.DEFAULT_HASH_BEHAVIOUR', 'merge'):
with self.assertRaises(AnsibleError):
combine_vars([1, 2, 3], dict(a=1))
with self.assertRaises(AnsibleError):
combine_vars(dict(a=1), [1, 2, 3])
def test_combine_vars_replace(self):
with mock.patch('ansible.constants.DEFAULT_HASH_BEHAVIOUR', 'replace'):
for test in self.combine_vars_replace_data:
self.assertEqual(combine_vars(test['a'], test['b']), test['result'])
def test_combine_vars_merge(self):
with mock.patch('ansible.constants.DEFAULT_HASH_BEHAVIOUR', 'merge'):
for test in self.combine_vars_merge_data:
self.assertEqual(combine_vars(test['a'], test['b']), test['result'])
merge_hash_data = {
"low_prio": {
"a": {
"a'": {
"x": "low_value",
"y": "low_value",
"list": ["low_value"]
}
},
"b": [1, 1, 2, 3]
},
"high_prio": {
"a": {
"a'": {
"y": "high_value",
"z": "high_value",
"list": ["high_value"]
}
},
"b": [3, 4, 4, {"5": "value"}]
}
}
def test_merge_hash_simple(self):
for test in self.combine_vars_merge_data:
self.assertEqual(merge_hash(test['a'], test['b']), test['result'])
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = {
"a": {
"a'": {
"x": "low_value",
"y": "high_value",
"z": "high_value",
"list": ["high_value"]
}
},
"b": high['b']
}
self.assertEqual(merge_hash(low, high), expected)
def test_merge_hash_non_recursive_and_list_replace(self):
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = high
self.assertEqual(merge_hash(low, high, False, 'replace'), expected)
def test_merge_hash_non_recursive_and_list_keep(self):
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = {
"a": high['a'],
"b": low['b']
}
self.assertEqual(merge_hash(low, high, False, 'keep'), expected)
def test_merge_hash_non_recursive_and_list_append(self):
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = {
"a": high['a'],
"b": low['b'] + high['b']
}
self.assertEqual(merge_hash(low, high, False, 'append'), expected)
def test_merge_hash_non_recursive_and_list_prepend(self):
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = {
"a": high['a'],
"b": high['b'] + low['b']
}
self.assertEqual(merge_hash(low, high, False, 'prepend'), expected)
def test_merge_hash_non_recursive_and_list_append_rp(self):
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = {
"a": high['a'],
"b": [1, 1, 2] + high['b']
}
self.assertEqual(merge_hash(low, high, False, 'append_rp'), expected)
def test_merge_hash_non_recursive_and_list_prepend_rp(self):
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = {
"a": high['a'],
"b": high['b'] + [1, 1, 2]
}
self.assertEqual(merge_hash(low, high, False, 'prepend_rp'), expected)
def test_merge_hash_recursive_and_list_replace(self):
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = {
"a": {
"a'": {
"x": "low_value",
"y": "high_value",
"z": "high_value",
"list": ["high_value"]
}
},
"b": high['b']
}
self.assertEqual(merge_hash(low, high, True, 'replace'), expected)
def test_merge_hash_recursive_and_list_keep(self):
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = {
"a": {
"a'": {
"x": "low_value",
"y": "high_value",
"z": "high_value",
"list": ["low_value"]
}
},
"b": low['b']
}
self.assertEqual(merge_hash(low, high, True, 'keep'), expected)
def test_merge_hash_recursive_and_list_append(self):
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = {
"a": {
"a'": {
"x": "low_value",
"y": "high_value",
"z": "high_value",
"list": ["low_value", "high_value"]
}
},
"b": low['b'] + high['b']
}
self.assertEqual(merge_hash(low, high, True, 'append'), expected)
def test_merge_hash_recursive_and_list_prepend(self):
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = {
"a": {
"a'": {
"x": "low_value",
"y": "high_value",
"z": "high_value",
"list": ["high_value", "low_value"]
}
},
"b": high['b'] + low['b']
}
self.assertEqual(merge_hash(low, high, True, 'prepend'), expected)
def test_merge_hash_recursive_and_list_append_rp(self):
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = {
"a": {
"a'": {
"x": "low_value",
"y": "high_value",
"z": "high_value",
"list": ["low_value", "high_value"]
}
},
"b": [1, 1, 2] + high['b']
}
self.assertEqual(merge_hash(low, high, True, 'append_rp'), expected)
def test_merge_hash_recursive_and_list_prepend_rp(self):
low = self.merge_hash_data['low_prio']
high = self.merge_hash_data['high_prio']
expected = {
"a": {
"a'": {
"x": "low_value",
"y": "high_value",
"z": "high_value",
"list": ["high_value", "low_value"]
}
},
"b": high['b'] + [1, 1, 2]
}
self.assertEqual(merge_hash(low, high, True, 'prepend_rp'), expected)