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# (c) 2018, NetApp, Inc
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
''' unit tests for Ansible module: na_ontap_vscan'''
from __future__ import print_function
import json
import pytest
from units.compat import unittest
from units.compat.mock import patch
from ansible.module_utils import basic
from ansible.module_utils._text import to_bytes
import ansible.module_utils.netapp as netapp_utils
from ansible.modules.storage.netapp.na_ontap_vscan \
import NetAppOntapVscan as vscan_module # module under test
if not netapp_utils.has_netapp_lib():
pytestmark = pytest.mark.skip('skipping as missing required netapp_lib')
HAS_NETAPP_ZAPI_MSG = "pip install netapp_lib is required"
# REST API canned responses when mocking send_request
SRR = {
# common responses
'is_rest': (200, None),
'is_zapi': (400, "Unreachable"),
'empty_good': ({}, None),
'end_of_sequence': (None, "Ooops, the UT needs one more SRR response"),
'generic_error': (None, "Expected error"),
# module specific responses
'enabled': ({'records': [{'enabled': True, 'svm': {'uuid': 'testuuid'}}]}, None),
'disabled': ({'records': [{'enabled': False, 'svm': {'uuid': 'testuuid'}}]}, None),
}
def set_module_args(args):
"""prepare arguments so that they will be picked up during module creation"""
args = json.dumps({'ANSIBLE_MODULE_ARGS': args})
basic._ANSIBLE_ARGS = to_bytes(args) # pylint: disable=protected-access
class AnsibleExitJson(Exception):
"""Exception class to be raised by module.exit_json and caught by the test case"""
pass
class AnsibleFailJson(Exception):
"""Exception class to be raised by module.fail_json and caught by the test case"""
pass
def exit_json(*args, **kwargs): # pylint: disable=unused-argument
"""function to patch over exit_json; package return data into an exception"""
if 'changed' not in kwargs:
kwargs['changed'] = False
raise AnsibleExitJson(kwargs)
def fail_json(*args, **kwargs): # pylint: disable=unused-argument
"""function to patch over fail_json; package return data into an exception"""
kwargs['failed'] = True
raise AnsibleFailJson(kwargs)
class MockONTAPConnection(object):
''' mock server connection to ONTAP host '''
def __init__(self, kind=None, data=None):
''' save arguments '''
self.kind = kind
self.params = data
self.xml_in = None
self.xml_out = None
def invoke_successfully(self, xml, enable_tunneling): # pylint: disable=unused-argument
''' mock invoke_successfully returning xml data '''
self.xml_in = xml
if self.kind == 'enable':
xml = self.build_vscan_status_info(self.params)
self.xml_out = xml
return xml
@staticmethod
def build_vscan_status_info(status):
xml = netapp_utils.zapi.NaElement('xml')
attributes = {'num-records': 1,
'attributes-list': {'vscan-status-info': {'is-vscan-enabled': status}}}
xml.translate_struct(attributes)
return xml
class TestMyModule(unittest.TestCase):
''' Unit tests for na_ontap_job_schedule '''
def setUp(self):
self.mock_module_helper = patch.multiple(basic.AnsibleModule,
exit_json=exit_json,
fail_json=fail_json)
self.mock_module_helper.start()
self.addCleanup(self.mock_module_helper.stop)
def mock_args(self):
return {
'enable': False,
'vserver': 'vserver',
'hostname': 'test',
'username': 'test_user',
'password': 'test_pass!'
}
def get_vscan_mock_object(self, type='zapi', kind=None, status=None):
vscan_obj = vscan_module()
if type == 'zapi':
if kind is None:
vscan_obj.server = MockONTAPConnection()
else:
vscan_obj.server = MockONTAPConnection(kind=kind, data=status)
# For rest, mocking is achieved through side_effect
return vscan_obj
def test_module_fail_when_required_args_missing(self):
''' required arguments are reported as errors '''
with pytest.raises(AnsibleFailJson) as exc:
set_module_args({})
vscan_module()
print('Info: %s' % exc.value.args[0]['msg'])
def test_successfully_enable(self):
data = self.mock_args()
data['enable'] = True
set_module_args(data)
with pytest.raises(AnsibleExitJson) as exc:
self.get_vscan_mock_object('zapi', 'enable', 'false').apply()
assert exc.value.args[0]['changed']
def test_idempotently_enable(self):
data = self.mock_args()
data['enable'] = True
set_module_args(data)
with pytest.raises(AnsibleExitJson) as exc:
self.get_vscan_mock_object('zapi', 'enable', 'true').apply()
assert not exc.value.args[0]['changed']
def test_successfully_disable(self):
data = self.mock_args()
data['enable'] = False
set_module_args(data)
with pytest.raises(AnsibleExitJson) as exc:
self.get_vscan_mock_object('zapi', 'enable', 'true').apply()
assert exc.value.args[0]['changed']
def test_idempotently_disable(self):
data = self.mock_args()
data['enable'] = False
set_module_args(data)
with pytest.raises(AnsibleExitJson) as exc:
self.get_vscan_mock_object('zapi', 'enable', 'false').apply()
assert not exc.value.args[0]['changed']
@patch('ansible.module_utils.netapp.OntapRestAPI.send_request')
def test_rest_error(self, mock_request):
data = self.mock_args()
set_module_args(data)
mock_request.side_effect = [
SRR['is_rest'],
SRR['generic_error'],
SRR['end_of_sequence']
]
with pytest.raises(AnsibleFailJson) as exc:
self.get_vscan_mock_object(type='rest').apply()
assert exc.value.args[0]['msg'] == SRR['generic_error'][1]
@patch('ansible.module_utils.netapp.OntapRestAPI.send_request')
def test_rest_successly_enable(self, mock_request):
data = self.mock_args()
data['enable'] = True
set_module_args(data)
mock_request.side_effect = [
SRR['is_rest'],
SRR['disabled'],
SRR['empty_good'],
SRR['end_of_sequence']
]
with pytest.raises(AnsibleExitJson) as exc:
self.get_vscan_mock_object(type='rest').apply()
assert exc.value.args[0]['changed']
@patch('ansible.module_utils.netapp.OntapRestAPI.send_request')
def test_rest_idempotently_enable(self, mock_request):
data = self.mock_args()
data['enable'] = True
set_module_args(data)
mock_request.side_effect = [
SRR['is_rest'],
SRR['enabled'],
SRR['end_of_sequence']
]
with pytest.raises(AnsibleExitJson) as exc:
self.get_vscan_mock_object(type='rest').apply()
assert not exc.value.args[0]['changed']
@patch('ansible.module_utils.netapp.OntapRestAPI.send_request')
def test_rest_successly_disable(self, mock_request):
data = self.mock_args()
data['enable'] = False
set_module_args(data)
mock_request.side_effect = [
SRR['is_rest'],
SRR['enabled'],
SRR['empty_good'],
SRR['end_of_sequence']
]
with pytest.raises(AnsibleExitJson) as exc:
self.get_vscan_mock_object(type='rest').apply()
assert exc.value.args[0]['changed']
@patch('ansible.module_utils.netapp.OntapRestAPI.send_request')
def test_rest_idempotently_disable(self, mock_request):
data = self.mock_args()
data['enable'] = False
set_module_args(data)
mock_request.side_effect = [
SRR['is_rest'],
SRR['disabled'],
SRR['end_of_sequence']
]
with pytest.raises(AnsibleExitJson) as exc:
self.get_vscan_mock_object(type='rest').apply()
assert not exc.value.args[0]['changed']
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