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-rw-r--r--tests/test_apex_ip_utils.py95
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diff --git a/tests/test_apex_ip_utils.py b/tests/test_apex_ip_utils.py
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+##############################################################################
+# Copyright (c) 2016 Dan Radez (Red Hat)
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+import re
+
+from apex.ip_utils import IPUtilsException
+from apex.ip_utils import get_interface
+from apex.ip_utils import find_gateway
+from apex.ip_utils import get_ip
+from apex.ip_utils import get_ip_range
+
+from nose.tools import assert_equal
+from nose.tools import assert_raises
+from nose.tools import assert_is_instance
+from nose.tools import assert_regexp_matches
+
+from ipaddress import IPv4Address
+from ipaddress import IPv6Address
+from ipaddress import ip_network
+
+
+ip4_pattern = re.compile('\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}')
+ip4_range_pattern = re.compile('\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3},\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}')
+
+def get_default_gateway_linux():
+ """Read the default gateway directly from /proc."""
+ with open("/proc/net/route") as fh:
+ for line in fh:
+ fields = line.strip().split()
+ if fields[2] not in ('00000000', 'Gateway'):
+ return fields[0]
+
+
+class TestIpUtils(object):
+ @classmethod
+ def setup_class(klass):
+ """This method is run once for each class before any tests are run"""
+ klass.iface_name = get_default_gateway_linux()
+ iface = get_interface(klass.iface_name)
+ klass.iface = iface
+
+ @classmethod
+ def teardown_class(klass):
+ """This method is run once for each class _after_ all tests are run"""
+
+ def setUp(self):
+ """This method is run once before _each_ test method is executed"""
+
+ def teardown(self):
+ """This method is run once after _each_ test method is executed"""
+
+ def test_get_interface(self):
+ assert_equal(get_interface(''), None)
+ assert_equal(get_interface('notreal'), None)
+ assert_is_instance(get_interface(
+ self.iface_name,
+ address_family=4), IPv4Address)
+ assert_is_instance(get_interface(
+ self.iface_name,
+ address_family=6), IPv6Address)
+ assert_raises(IPUtilsException,
+ get_interface, self.iface_name, 0)
+
+ def test_find_gateway(self):
+ assert_is_instance(find_gateway(self.iface), str)
+ iface_virbr0 = get_interface('virbr0')
+ assert_equal(find_gateway(iface_virbr0), None)
+
+ def test_get_ip(self):
+ assert_equal(get_ip(1, cidr="10.10.10.0/24"), "0")
+ assert_regexp_matches(get_ip(1, interface=self.iface), ip4_pattern)
+ assert_raises(IPUtilsException, get_ip, 1)
+
+
+ def test_get_ip_range_raises(self):
+ assert_raises(IPUtilsException, get_ip_range)
+ assert_raises(IPUtilsException, get_ip_range, interface=self.iface)
+
+ def test_get_ip_range_with_interface(self):
+ assert_regexp_matches(get_ip_range(interface=self.iface, start_offset=1, end_offset=20), ip4_range_pattern)
+ assert_regexp_matches(get_ip_range(interface=self.iface, start_offset=1, count=10), ip4_range_pattern)
+ assert_regexp_matches(get_ip_range(interface=self.iface, end_offset=20, count=10), ip4_range_pattern)
+
+ def test_get_ip_range_with_cidr(self):
+ cidr = ip_network('10.10.10.0/24')
+ assert_raises(IPUtilsException, get_ip_range, cidr=cidr)
+ assert_regexp_matches(get_ip_range(cidr=cidr, start_offset=1, end_offset=20), ip4_pattern)
+ assert_regexp_matches(get_ip_range(cidr=cidr, start_offset=1, count=10), ip4_pattern)
+ assert_regexp_matches(get_ip_range(cidr=cidr, end_offset=20, count=10), ip4_pattern)