fuel-web/nailgun/nailgun/test/base.py

960 lines
33 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2013 Mirantis, Inc.
#
# 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.
try:
from unittest.case import TestCase
except ImportError:
# Runing unit-tests in production environment
from unittest2.case import TestCase
import mock
import os
import re
import time
from datetime import datetime
from functools import partial
from itertools import izip
from netaddr import IPNetwork
from random import randint
import web
from webtest import app
import nailgun
from nailgun.api.v1.urls import urls
from nailgun.db import db
from nailgun.db import flush
from nailgun.db import syncdb
from nailgun.logger import logger
from nailgun.db.sqlalchemy.fixman import load_fixture
from nailgun.db.sqlalchemy.fixman import upload_fixture
from nailgun.db.sqlalchemy.models import NodeAttributes
from nailgun.db.sqlalchemy.models import NodeNICInterface
from nailgun.db.sqlalchemy.models import Notification
from nailgun.db.sqlalchemy.models import Task
# here come objects
from nailgun.objects import Cluster
from nailgun.objects import Node
from nailgun.objects import Release
from nailgun.app import build_app
from nailgun.consts import NETWORK_INTERFACE_TYPES
from nailgun.middleware.keystone import NailgunFakeKeystoneAuthMiddleware
from nailgun.network.manager import NetworkManager
from nailgun.openstack.common import jsonutils
class TimeoutError(Exception):
pass
def test_db_driver(handler):
try:
return handler()
except web.HTTPError:
if str(web.ctx.status).startswith(("4", "5")):
db.rollback()
raise
except Exception:
db.rollback()
raise
finally:
db.commit()
# we do not remove session in tests
class Environment(object):
def __init__(self, app, session=None):
self.db = session or db()
self.app = app
self.tester = TestCase
self.tester.runTest = lambda a: None
self.tester = self.tester()
self.here = os.path.abspath(os.path.dirname(__file__))
self.fixture_dir = os.path.join(self.here, "..", "fixtures")
self.default_headers = {
"Content-Type": "application/json"
}
self.releases = []
self.clusters = []
self.nodes = []
self.network_manager = NetworkManager
def create(self, **kwargs):
release_data = kwargs.pop('release_kwargs', {"api": False})
cluster_data = kwargs.pop('cluster_kwargs', {})
if 'release_id' not in cluster_data:
cluster_data['release_id'] = self.create_release(**release_data).id
cluster = self.create_cluster(
**cluster_data
)
for node_kwargs in kwargs.pop('nodes_kwargs', []):
if "cluster_id" not in node_kwargs:
if isinstance(cluster, dict):
node_kwargs["cluster_id"] = cluster["id"]
else:
node_kwargs["cluster_id"] = cluster.id
node_kwargs.setdefault("api", False)
node_kwargs.setdefault("roles", ["controller"])
self.create_node(
**node_kwargs
)
return cluster
def create_release(self, api=False, **kwargs):
version = kwargs.get(
'version', '{0}-5.1'.format(randint(0, 100000000)))
release_data = {
'name': u"release_name_" + version,
'version': version,
'description': u"release_desc" + version,
'operating_system': 'CentOS',
'roles': self.get_default_roles(),
'networks_metadata': self.get_default_networks_metadata(),
'attributes_metadata': self.get_default_attributes_metadata(),
'volumes_metadata': self.get_default_volumes_metadata()
}
if kwargs:
release_data.update(kwargs)
if api:
resp = self.app.post(
reverse('ReleaseCollectionHandler'),
params=jsonutils.dumps(release_data),
headers=self.default_headers
)
self.tester.assertEqual(resp.status_code, 201)
release = resp.json_body
self.releases.append(
self.db.query(Release).get(release['id'])
)
else:
release = Release.create(release_data)
db().commit()
self.releases.append(release)
return release
def create_cluster(self, api=True, exclude=None, **kwargs):
cluster_data = {
'name': 'cluster-api-' + str(randint(0, 1000000)),
}
if kwargs:
cluster_data.update(kwargs)
if 'release_id' not in cluster_data:
cluster_data['release_id'] = self.create_release(api=False).id
if exclude and isinstance(exclude, list):
for ex in exclude:
try:
del cluster_data[ex]
except KeyError as err:
logger.warning(err)
if api:
resp = self.app.post(
reverse('ClusterCollectionHandler'),
jsonutils.dumps(cluster_data),
headers=self.default_headers,
expect_errors=True
)
self.tester.assertEqual(resp.status_code, 201)
cluster = resp.json_body
self.clusters.append(
Cluster.get_by_uid(cluster['id'])
)
else:
cluster = Cluster.create(cluster_data)
cluster.create_default_group()
db().commit()
self.clusters.append(cluster)
return cluster
def create_node(
self, api=False,
exclude=None, expect_http=201,
expect_message=None,
**kwargs):
#TODO(alekseyk) Simplify 'interfaces' and 'mac' manipulation logic
metadata = kwargs.get('meta')
default_metadata = self.default_metadata()
if metadata:
default_metadata.update(metadata)
meta_ifaces = 'interfaces' in metadata
mac = kwargs.get('mac', self.generate_random_mac())
if default_metadata['interfaces']:
default_metadata['interfaces'][0]['mac'] = mac
if not metadata or not meta_ifaces:
for iface in default_metadata['interfaces'][1:]:
if 'mac' in iface:
iface['mac'] = self.generate_random_mac()
node_data = {
'mac': mac,
'status': 'discover',
'ip': '10.20.0.130',
'meta': default_metadata
}
if kwargs:
meta = kwargs.pop('meta', None)
node_data.update(kwargs)
if meta:
kwargs['meta'] = meta
if exclude and isinstance(exclude, list):
for ex in exclude:
try:
del node_data[ex]
except KeyError as err:
logger.warning(err)
if api:
resp = self.app.post(
reverse('NodeCollectionHandler'),
jsonutils.dumps(node_data),
headers=self.default_headers,
expect_errors=True
)
self.tester.assertEqual(resp.status_code, expect_http)
if expect_message:
self.tester.assertEqual(resp.body, expect_message)
if str(expect_http)[0] != "2":
return None
self.tester.assertEqual(resp.status_code, expect_http)
node = resp.json_body
node_db = Node.get_by_uid(node['id'])
if 'interfaces' not in node_data['meta'] \
or not node_data['meta']['interfaces']:
self._set_interfaces_if_not_set_in_meta(
node_db.id,
kwargs.get('meta', None))
self.nodes.append(node_db)
else:
node = Node.create(node_data)
db().commit()
self.nodes.append(node)
return node
def create_nodes(self, count, *args, **kwargs):
"""Helper to generate specific number of nodes."""
return [self.create_node(*args, **kwargs) for _ in xrange(count)]
def create_nodes_w_interfaces_count(self,
nodes_count, if_count=2, **kwargs):
"""Create nodes_count nodes with if_count interfaces each.
Default random MAC is generated for each interface.
"""
nodes = []
for i in range(nodes_count):
meta = self.default_metadata()
if_list = [
{
"name": "eth{0}".format(i),
"mac": self.generate_random_mac()
}
for i in range(if_count)]
self.set_interfaces_in_meta(meta, if_list)
nodes.append(self.create_node(meta=meta, **kwargs))
return nodes
def create_task(self, **kwargs):
task = Task(**kwargs)
self.db.add(task)
self.db.commit()
return task
def create_attributes(self):
return NodeAttributes()
def create_notification(self, **kwargs):
notif_data = {
"topic": "discover",
"message": "Test message",
"status": "unread",
"datetime": datetime.now()
}
if kwargs:
notif_data.update(kwargs)
notification = Notification()
notification.cluster_id = notif_data.get("cluster_id")
for f, v in notif_data.iteritems():
setattr(notification, f, v)
self.db.add(notification)
self.db.commit()
return notification
def default_metadata(self):
item = self.find_item_by_pk_model(
self.read_fixtures(("sample_environment",)),
1, 'nailgun.node')
return item.get('fields').get('meta')
def generate_random_mac(self):
mac = [randint(0x00, 0x7f) for _ in xrange(6)]
return ':'.join(map(lambda x: "%02x" % x, mac)).lower()
def generate_interfaces_in_meta(self, amount):
nics = []
for i in xrange(amount):
nics.append(
{
'name': 'eth{0}'.format(i),
'mac': self.generate_random_mac(),
'current_speed': 100,
'max_speed': 1000
}
)
self.set_admin_ip_for_for_single_interface(nics)
return {'interfaces': nics}
def _set_interfaces_if_not_set_in_meta(self, node_id, meta):
if not meta or not 'interfaces' in meta:
self._add_interfaces_to_node(node_id)
def _create_interfaces_from_meta(self, node):
# Create interfaces from meta
for interface in node.meta['interfaces']:
interface = NodeNICInterface(
mac=interface.get('mac'),
name=interface.get('name'),
ip_addr=interface.get('ip'),
netmask=interface.get('netmask')
)
self.db.add(interface)
node.nic_interfaces.append(interface)
self.db.flush()
# If node in a cluster then assign networks for all interfaces
if node.cluster_id:
self.network_manager.assign_networks_by_default(node)
# At least one interface should have
# same ip as mac in meta
if node.nic_interfaces and not \
filter(lambda i: node.mac == i.mac, node.nic_interfaces):
node.nic_interfaces[0].mac = node.mac
self.db.commit()
def _add_interfaces_to_node(self, node_id, count=1):
interfaces = []
node = self.db.query(Node).get(node_id)
networks_to_assign = \
list(node.cluster.network_groups) if node.cluster else []
for i in xrange(count):
interface = NodeNICInterface({
'node_id': node_id,
'name': 'eth{0}'.format(i),
'mac': self.generate_random_mac(),
'current_speed': 100,
'max_speed': 1000,
'assigned_networks': networks_to_assign
})
self.db.add(interface)
self.db.commit()
interfaces.append(interface)
# assign all networks to first NIC
networks_to_assign = []
return interfaces
def set_admin_ip_for_for_single_interface(self, interfaces):
"""Set admin ip for single interface if it not setted yet."""
ips = [interface.get('ip') for interface in interfaces]
admin_ips = [
ip for ip in ips
if self.network_manager.is_ip_belongs_to_admin_subnet(ip)]
if not admin_ips:
admin_cidr = self.network_manager.get_admin_network_group().cidr
interfaces[0]['ip'] = str(IPNetwork(admin_cidr).ip)
def set_interfaces_in_meta(self, meta, interfaces):
"""Set interfaces in metadata."""
meta['interfaces'] = interfaces
self.set_admin_ip_for_for_single_interface(meta['interfaces'])
return meta['interfaces']
def get_default_roles(self):
return ['controller', 'compute', 'cinder', 'ceph-osd', 'mongo']
def get_default_volumes_metadata(self):
return self.read_fixtures(
('openstack',))[0]['fields']['volumes_metadata']
def get_default_networks_metadata(self):
return self.read_fixtures(
('openstack',))[0]['fields']['networks_metadata']
def get_default_attributes_metadata(self):
return self.read_fixtures(
['openstack'])[0]['fields']['attributes_metadata']
def upload_fixtures(self, fxtr_names):
for fxtr_path in self.fxtr_paths_by_names(fxtr_names):
with open(fxtr_path, "r") as fxtr_file:
upload_fixture(fxtr_file)
def read_fixtures(self, fxtr_names):
data = []
for fxtr_path in self.fxtr_paths_by_names(fxtr_names):
with open(fxtr_path, "r") as fxtr_file:
try:
data.extend(load_fixture(fxtr_file))
except Exception as exc:
logger.error(
'Error "%s" occurred while loading '
'fixture %s' % (exc, fxtr_path)
)
return data
def fxtr_paths_by_names(self, fxtr_names):
for fxtr in fxtr_names:
for ext in ['json', 'yaml']:
fxtr_path = os.path.join(
self.fixture_dir,
"%s.%s" % (fxtr, ext)
)
if os.path.exists(fxtr_path):
logger.debug(
"Fixture file is found, yielding path: %s",
fxtr_path
)
yield fxtr_path
break
else:
logger.warning(
"Fixture file was not found: %s",
fxtr
)
def find_item_by_pk_model(self, data, pk, model):
for item in data:
if item.get('pk') == pk and item.get('model') == model:
return item
def launch_provisioning_selected(self, nodes_uids=None):
if self.clusters:
if not nodes_uids:
nodes_uids = [n.uid for n in self.clusters[0].nodes]
action_url = reverse(
'ProvisionSelectedNodes',
kwargs={'cluster_id': self.clusters[0].id}
) + '?nodes={0}'.format(','.join(nodes_uids))
resp = self.app.put(
action_url,
'{}',
headers=self.default_headers,
expect_errors=True
)
self.tester.assertEqual(202, resp.status_code)
response = resp.json_body
return self.db.query(Task).filter_by(
uuid=response['uuid']
).first()
else:
raise NotImplementedError(
"Nothing to provision - try creating cluster"
)
def launch_deployment(self):
if self.clusters:
resp = self.app.put(
reverse(
'ClusterChangesHandler',
kwargs={'cluster_id': self.clusters[0].id}),
headers=self.default_headers)
self.tester.assertEqual(202, resp.status_code)
return self.db.query(Task).filter_by(
uuid=resp.json_body['uuid']
).first()
else:
raise NotImplementedError(
"Nothing to deploy - try creating cluster"
)
def stop_deployment(self, expect_http=202):
if self.clusters:
resp = self.app.put(
reverse(
'ClusterStopDeploymentHandler',
kwargs={'cluster_id': self.clusters[0].id}),
expect_errors=True,
headers=self.default_headers)
self.tester.assertEqual(expect_http, resp.status_code)
if not str(expect_http).startswith("2"):
return resp.body
return self.db.query(Task).filter_by(
uuid=resp.json_body['uuid']
).first()
else:
raise NotImplementedError(
"Nothing to stop - try creating cluster"
)
def reset_environment(self, expect_http=202):
if self.clusters:
resp = self.app.put(
reverse(
'ClusterResetHandler',
kwargs={'cluster_id': self.clusters[0].id}),
expect_errors=True,
headers=self.default_headers)
self.tester.assertEqual(resp.status_code, expect_http)
if not str(expect_http).startswith("2"):
return resp.body
return self.db.query(Task).filter_by(
uuid=resp.json_body['uuid']
).first()
else:
raise NotImplementedError(
"Nothing to reset - try creating cluster"
)
def launch_verify_networks(self, data=None):
if self.clusters:
net_urls = {
"nova_network": {
"config": "NovaNetworkConfigurationHandler",
"verify": "NovaNetworkConfigurationVerifyHandler"
},
"neutron": {
"config": "NeutronNetworkConfigurationHandler",
"verify": "NeutronNetworkConfigurationVerifyHandler"
}
}
provider = self.clusters[0].net_provider
if data:
nets = jsonutils.dumps(data)
else:
resp = self.app.get(
reverse(
net_urls[provider]["config"],
kwargs={'cluster_id': self.clusters[0].id}
),
headers=self.default_headers
)
self.tester.assertEqual(200, resp.status_code)
nets = resp.body
resp = self.app.put(
reverse(
net_urls[provider]["verify"],
kwargs={'cluster_id': self.clusters[0].id}),
nets,
headers=self.default_headers
)
self.tester.assertEqual(202, resp.status_code)
task_uuid = resp.json_body['uuid']
return self.db.query(Task).filter_by(uuid=task_uuid).first()
else:
raise NotImplementedError(
"Nothing to verify - try creating cluster"
)
def make_bond_via_api(self, bond_name, bond_mode, nic_names, node_id=None):
if not node_id:
node_id = self.nodes[0]["id"]
resp = self.app.get(
reverse("NodeNICsHandler",
kwargs={"node_id": node_id}),
headers=self.default_headers)
self.tester.assertEqual(resp.status_code, 200)
data = resp.json_body
nics = self.db.query(NodeNICInterface).filter(
NodeNICInterface.name.in_(nic_names)
).filter(
NodeNICInterface.node_id == node_id
)
self.tester.assertEqual(nics.count(), len(nic_names))
assigned_nets, slaves = [], []
for nic in data:
if nic['name'] in nic_names:
assigned_nets.extend(nic['assigned_networks'])
slaves.append({'name': nic['name']})
nic['assigned_networks'] = []
data.append({
"name": bond_name,
"type": NETWORK_INTERFACE_TYPES.bond,
"mode": bond_mode,
"slaves": slaves,
"assigned_networks": assigned_nets
})
resp = self.node_nics_put(node_id, data)
self.tester.assertEqual(resp.status_code, 200)
def refresh_nodes(self):
for n in self.nodes[:]:
try:
self.db.add(n)
self.db.refresh(n)
except Exception:
self.nodes.remove(n)
self.db.flush()
def refresh_clusters(self):
for n in self.clusters[:]:
try:
self.db.refresh(n)
except Exception:
self.nodes.remove(n)
def _wait_task(self, task, timeout, message):
timer = time.time()
while task.status == 'running':
self.db.refresh(task)
if time.time() - timer > timeout:
raise Exception(
"Task '{0}' seems to be hanged".format(
task.name
)
)
time.sleep(1)
self.tester.assertEqual(task.progress, 100)
if isinstance(message, type(re.compile("regexp"))):
self.tester.assertIsNotNone(re.match(message, task.message))
elif isinstance(message, str):
self.tester.assertEqual(task.message, message)
def wait_ready(self, task, timeout=60, message=None):
self._wait_task(task, timeout, message)
self.tester.assertEqual(task.status, 'ready')
def wait_error(self, task, timeout=60, message=None):
self._wait_task(task, timeout, message)
self.tester.assertEqual(task.status, 'error')
def wait_for_nodes_status(self, nodes, status):
def check_statuses():
self.refresh_nodes()
nodes_with_status = filter(
lambda x: x.status in status,
nodes)
return len(nodes) == len(nodes_with_status)
self.wait_for_true(
check_statuses,
error_message='Something wrong with the statuses')
def wait_for_true(self, check, args=[], kwargs={},
timeout=60, error_message='Timeout error'):
start_time = time.time()
while True:
result = check(*args, **kwargs)
if result:
return result
if time.time() - start_time > timeout:
raise TimeoutError(error_message)
time.sleep(0.1)
def _api_get(self, method, instance_id, expect_errors=False):
return self.app.get(
reverse(method,
kwargs=instance_id),
headers=self.default_headers,
expect_errors=expect_errors)
def _api_put(self, method, instance_id, data, expect_errors=False):
return self.app.put(
reverse(method,
kwargs=instance_id),
jsonutils.dumps(data),
headers=self.default_headers,
expect_errors=expect_errors)
def nova_networks_get(self, cluster_id, expect_errors=False):
return self._api_get('NovaNetworkConfigurationHandler',
{'cluster_id': cluster_id},
expect_errors)
def nova_networks_put(self, cluster_id, networks, expect_errors=False):
return self._api_put('NovaNetworkConfigurationHandler',
{'cluster_id': cluster_id},
networks,
expect_errors)
def neutron_networks_get(self, cluster_id, expect_errors=False):
return self._api_get('NeutronNetworkConfigurationHandler',
{'cluster_id': cluster_id},
expect_errors)
def neutron_networks_put(self, cluster_id, networks, expect_errors=False):
return self._api_put('NeutronNetworkConfigurationHandler',
{'cluster_id': cluster_id},
networks,
expect_errors)
def cluster_changes_put(self, cluster_id, expect_errors=False):
return self._api_put('ClusterChangesHandler',
{'cluster_id': cluster_id},
[],
expect_errors)
def node_nics_get(self, node_id, expect_errors=False):
return self._api_get('NodeNICsHandler',
{'node_id': node_id},
expect_errors)
def node_nics_put(self, node_id, interfaces, expect_errors=False):
return self._api_put('NodeNICsHandler',
{'node_id': node_id},
interfaces,
expect_errors)
def node_collection_nics_put(self, nodes,
expect_errors=False):
return self._api_put('NodeCollectionNICsHandler',
{},
nodes,
expect_errors)
class BaseTestCase(TestCase):
fixtures = ['admin_network', 'master_node_settings']
def __init__(self, *args, **kwargs):
super(BaseTestCase, self).__init__(*args, **kwargs)
self.default_headers = {
"Content-Type": "application/json"
}
@classmethod
def setUpClass(cls):
cls.app = app.TestApp(
build_app(db_driver=test_db_driver).wsgifunc()
)
syncdb()
def setUp(self):
self.db = db
flush()
self.env = Environment(app=self.app, session=self.db)
self.env.upload_fixtures(self.fixtures)
def tearDown(self):
self.db.remove()
def assertNotRaises(self, exception, method, *args, **kwargs):
try:
method(*args, **kwargs)
except exception:
self.fail('Exception "{0}" raised.'.format(exception))
def datadiff(self, node1, node2, path=None, ignore_keys=[]):
if path is None:
path = []
print("Path: {0}".format("->".join(path)))
if not isinstance(node1, dict) or not isinstance(node2, dict):
if isinstance(node1, list):
newpath = path[:]
for i, keys in enumerate(izip(node1, node2)):
newpath.append(str(i))
self.datadiff(keys[0], keys[1], newpath, ignore_keys)
newpath.pop()
elif node1 != node2:
err = "Values differ: {0} != {1}".format(
str(node1),
str(node2)
)
raise Exception(err)
else:
newpath = path[:]
for key1, key2 in zip(
sorted(node1.keys()),
sorted(node2.keys())
):
if key1 != key2:
err = "Keys differ: {0} != {1}".format(
str(key1),
str(key2)
)
raise Exception(err)
if key1 in ignore_keys:
continue
newpath.append(key1)
self.datadiff(node1[key1], node2[key2], newpath, ignore_keys)
newpath.pop()
class BaseIntegrationTest(BaseTestCase):
@classmethod
def setUpClass(cls):
super(BaseIntegrationTest, cls).setUpClass()
nailgun.task.task.DeploymentTask._prepare_syslog_dir = mock.Mock()
def _wait_for_threads(self):
# wait for fake task thread termination
import threading
for thread in threading.enumerate():
if thread is not threading.currentThread():
if hasattr(thread, "rude_join"):
timer = time.time()
timeout = 25
thread.rude_join(timeout)
if time.time() - timer > timeout:
raise Exception(
'{0} seconds is not enough'
' - possible hanging'.format(
timeout
)
)
class BaseAuthenticationIntegrationTest(BaseIntegrationTest):
@classmethod
def setUpClass(cls):
cls.app = app.TestApp(build_app(db_driver=test_db_driver).wsgifunc(
NailgunFakeKeystoneAuthMiddleware))
syncdb()
nailgun.task.task.DeploymentTask._prepare_syslog_dir = mock.Mock()
class BaseUnitTest(TestCase):
pass
def fake_tasks(fake_rpc=True,
mock_rpc=True,
tick_count=100,
tick_interval=0,
**kwargs):
def wrapper(func):
func = mock.patch(
'nailgun.task.task.settings.FAKE_TASKS',
True
)(func)
func = mock.patch(
'nailgun.task.fake.settings.FAKE_TASKS_TICK_COUNT',
tick_count
)(func)
func = mock.patch(
'nailgun.task.fake.settings.FAKE_TASKS_TICK_INTERVAL',
tick_interval
)(func)
if fake_rpc and not kwargs:
func = mock.patch(
'nailgun.task.task.rpc.cast',
nailgun.task.task.fake_cast
)(func)
elif fake_rpc and kwargs:
func = mock.patch(
'nailgun.task.task.rpc.cast',
partial(
nailgun.task.task.fake_cast,
**kwargs
)
)(func)
elif mock_rpc:
func = mock.patch(
'nailgun.task.task.rpc.cast'
)(func)
return func
return wrapper
def reverse(name, kwargs=None):
urldict = dict(zip(urls[1::2], urls[::2]))
url = urldict[name]
urlregex = re.compile(url)
for kwarg in urlregex.groupindex:
if kwarg not in kwargs:
raise KeyError("Invalid argument specified")
url = re.sub(
r"\(\?P<{0}>[^)]+\)".format(kwarg),
str(kwargs[kwarg]),
url,
1
)
url = re.sub(r"\??\$", "", url)
return "/api" + url
# this method is for development and troubleshooting purposes
def datadiff(data1, data2, branch, p=True):
def iterator(data1, data2):
if isinstance(data1, (list,)) and isinstance(data2, (list,)):
return xrange(max(len(data1), len(data2)))
elif isinstance(data1, (dict,)) and isinstance(data2, (dict,)):
return (set(data1.keys()) | set(data2.keys()))
else:
raise TypeError
diff = []
if data1 != data2:
try:
it = iterator(data1, data2)
except Exception:
return [(branch, data1, data2)]
for k in it:
newbranch = branch[:]
newbranch.append(k)
if p:
print("Comparing branch: %s" % newbranch)
try:
try:
v1 = data1[k]
except (KeyError, IndexError):
if p:
print("data1 seems does not have key = %s" % k)
diff.append((newbranch, None, data2[k]))
continue
try:
v2 = data2[k]
except (KeyError, IndexError):
if p:
print("data2 seems does not have key = %s" % k)
diff.append((newbranch, data1[k], None))
continue
except Exception:
if p:
print("data1 and data2 cannot be compared on "
"branch: %s" % newbranch)
return diff.append((newbranch, data1, data2))
else:
if v1 != v2:
if p:
print("data1 and data2 do not match "
"each other on branch: %s" % newbranch)
# print("data1 = %s" % data1)
print("v1 = %s" % v1)
# print("data2 = %s" % data2)
print("v2 = %s" % v2)
diff.extend(datadiff(v1, v2, newbranch))
return diff