converting apex ip_utils unit tests to nose

Change-Id: I54205d217807fd5499a71571ef8bed7c684fe944
Signed-off-by: Dan Radez <dradez@redhat.com>

7 files changed, 304 insertions, 90 deletions

diff --git a/tests/python-coverage.sh b/tests/python-coverage.sh
deleted file mode 100755
index 8de6157d..00000000
--- a/tests/python-coverage.sh
+++ /dev/null
@@ -1,65 +0,0 @@
-#!/bin/bash
-set -x
-all_networks="admin_network private_network storage_network external_network"
-
-# exercise help
-coverage3 run ../lib/python/apex-python-utils.py -l /dev/null > /dev/null
-
-# exercise parse-net-settings
-# throw debug on the first to exercise it
-coverage3 run -a ../lib/python/apex-python-utils.py --debug parse-net-settings -s ../config/network/network_settings.yaml -i True -e ../build/network-environment.yaml > /dev/null
-
-# exercise proper nic-template runs
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null nic-template -t ../config/network/network_settings.yaml -n "$all_networks" -e interface -af 4 > /dev/null
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null nic-template -t ../config/network/network_settings.yaml -n "$all_networks" -e interface -af 6 > /dev/null
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null nic-template -t ../config/network/network_settings.yaml -n "$all_networks" -e br-ex -af 4 > /dev/null
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null nic-template -t ../config/network/network_settings.yaml -n "$all_networks" -e br-ex -af 6 > /dev/null
-
-# exercise find-ip
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null find-ip -i $(ip a | grep 2: | cut -d \  -f 2 | head -n 1 | cut -d : -f 1) > /dev/null
-
-# exercise parse-deploy-settings
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null parse-deploy-settings -f ../config/deploy/os-nosdn-nofeature-noha.yaml > /dev/null
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null parse-deploy-settings -f ../config/deploy/os-nosdn-performance-ha.yaml > /dev/null
-
-# exercise parse-deploy-settings errors
-echo "global_params:" > /tmp/python-coverage.test
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null parse-deploy-settings -f /tmp/python-coverage.test &> /dev/null
-echo "deploy_options: string" > /tmp/python-coverage.test
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null parse-deploy-settings -f /tmp/python-coverage.test &> /dev/null
-echo "global_params:" >> /tmp/python-coverage.test
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null parse-deploy-settings -f /tmp/python-coverage.test &> /dev/null
-cat > /tmp/python-coverage.test << EOF
-global_params:
-deploy_options:
-  error: error
-EOF
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null parse-deploy-settings -f /tmp/python-coverage.test &> /dev/null
-cat > /tmp/python-coverage.test << EOF
-global_params:
-deploy_options:
-  performance: string
-EOF
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null parse-deploy-settings -f /tmp/python-coverage.test &> /dev/null
-cat > /tmp/python-coverage.test << EOF
-global_params:
-deploy_options:
-  performance:
-    error: error
-EOF
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null parse-deploy-settings -f /tmp/python-coverage.test &> /dev/null
-cat > /tmp/python-coverage.test << EOF
-global_params:
-deploy_options:
-  performance:
-    Controller:
-      error: error
-EOF
-coverage3 run -a ../lib/python/apex-python-utils.py -l /dev/null parse-deploy-settings -f /tmp/python-coverage.test &> /dev/null
-
-# coverage for ip_utils
-PYTHONPATH=../lib/python/ coverage3 run -a python_coverage_ip_utils.py $(ip r | grep default | awk '{ print $5 }')
-
-# generate reports
-coverage3 html --include '*lib/python/*'
-coverage3 report --include '*lib/python/*' -m
diff --git a/tests/python_coverage_ip_utils.py b/tests/python_coverage_ip_utils.py
deleted file mode 100644
index 35280c18..00000000
--- a/tests/python_coverage_ip_utils.py
+++ /dev/null
@@ -1,25 +0,0 @@
-import sys
-from apex import ip_utils
-
-iface = ip_utils.get_interface(sys.argv[1])
-
-erroring_tests = (
-        "ip_utils.get_interface('')",
-        "ip_utils.get_interface('lo', address_family=0)",
-        "ip_utils.get_interface('lo', address_family=6)",
-        "ip_utils.get_interface('lo')",
-        "ip_utils.get_ip_range()",
-        "ip_utils.get_ip_range(interface=iface)")
-
-for t in erroring_tests:
-    try:
-        eval(t)
-    except:
-        pass
-
-ip_utils.find_gateway(interface=iface)
-ip_utils.get_ip(1, cidr="10.10.10.0/24")
-ip_utils.get_ip(1, interface=iface)
-ip_utils.get_ip_range(interface=iface, start_offset=1, end_offset=20)
-ip_utils.get_ip_range(interface=iface, start_offset=1, count=10)
-ip_utils.get_ip_range(interface=iface, end_offset=20, count=10)
diff --git a/tests/test_apex_common_utils.py b/tests/test_apex_common_utils.py
new file mode 100644
index 00000000..7c988e3d
--- /dev/null
+++ b/tests/test_apex_common_utils.py
@@ -0,0 +1,34 @@
+##############################################################################
+# 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
+##############################################################################
+
+from apex.common.utils import str2bool
+
+from nose.tools import assert_equal
+
+
+class TestCommonUtils(object):
+    @classmethod
+    def setup_class(klass):
+        """This method is run once for each class before any tests are run"""
+
+    @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_str2bool(self):
+        assert_equal(str2bool(True), True)
+        assert_equal(str2bool(False), False)
+        assert_equal(str2bool("True"), True)
+        assert_equal(str2bool("YES"), True)
diff --git a/tests/test_apex_deploy_env.py b/tests/test_apex_deploy_env.py
new file mode 100644
index 00000000..0cd144ef
--- /dev/null
+++ b/tests/test_apex_deploy_env.py
@@ -0,0 +1,88 @@
+##############################################################################
+# 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 io
+# https://docs.python.org/3/library/io.html
+
+from apex.deploy_env import DeploySettings
+from apex.deploy_env import DeploySettingsException
+
+from nose.tools import assert_equal
+from nose.tools import assert_raises
+
+deploy_files = ('deploy_settings.yaml',
+                'os-nosdn-nofeature-noha.yaml',
+                'os-nosdn-ovs-noha.yaml',
+                'os-ocl-nofeature-ha.yaml',
+                'os-odl_l2-sdnvpn-ha.yaml',
+                'os-odl_l3-nofeature-ha.yaml',
+                'os-nosdn-nofeature-ha.yaml',
+                'os-nosdn-ovs-ha.yaml',
+                'os-nosdn-performance-ha.yaml',
+                'os-odl_l2-nofeature-ha.yaml',
+                'os-odl_l2-sfc-noha.yaml',
+                'os-onos-nofeature-ha.yaml')
+
+test_deploy_content = (
+'global_params:',
+'deploy_options: string',
+"""deploy_options: string
+global_params:""",
+"""global_params:
+deploy_options:
+  error: error
+""",
+"""global_params:
+deploy_options:
+  performance: string
+""",
+"""global_params:
+deploy_options:
+  dataplane: invalid
+""",
+"""global_params:
+deploy_options:
+  performance:
+    Controller:
+      error: error
+""",)
+
+
+class TestIpUtils(object):
+    @classmethod
+    def setup_class(klass):
+        """This method is run once for each class before any tests are run"""
+
+    @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_init(self):
+        for f in deploy_files:
+            ds = DeploySettings('../config/deploy/{}'.format(f))
+
+    def test__validate_settings(self):
+        for c in test_deploy_content:
+            f = open('/tmp/apex_deploy_test_file', 'w')
+            f.write(c)
+            f.close()
+            assert_raises(DeploySettingsException, DeploySettings, '/tmp/apex_deploy_test_file')
+
+    def test_dump_bash(self):
+        # the performance file has the most use of the function
+        # so using that as the test case
+        ds = DeploySettings('../config/deploy/os-nosdn-performance-ha.yaml')
+        assert_equal(ds.dump_bash(), None)
+        assert_equal(ds.dump_bash(path='/dev/null'), None)
diff --git a/tests/test_apex_ip_utils.py b/tests/test_apex_ip_utils.py
new file mode 100644
index 00000000..0b44bdd0
--- /dev/null
+++ b/tests/test_apex_ip_utils.py
@@ -0,0 +1,95 @@
+##############################################################################
+# 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)
diff --git a/tests/test_apex_network_environment.py b/tests/test_apex_network_environment.py
new file mode 100644
index 00000000..90c89073
--- /dev/null
+++ b/tests/test_apex_network_environment.py
@@ -0,0 +1,42 @@
+##############################################################################
+# 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
+##############################################################################
+
+from apex.network_settings import NetworkSettings
+from apex.network_environment import NetworkEnvironment
+from apex.network_environment import NetworkEnvException
+
+from nose.tools import assert_equal
+from nose.tools import assert_raises
+from nose.tools import assert_is_instance
+from nose.tools import assert_not_equal
+
+
+class TestNetworkEnvironment(object):
+    @classmethod
+    def setup_class(klass):
+        """This method is run once for each class before any tests are run"""
+
+    @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_init(self):
+        assert_raises(NetworkEnvException, NetworkEnvironment, None, '../build/network-environment.yaml')
+
+    def test_get_netenv_settings(self):
+        ns = NetworkSettings('../config/network/network_settings.yaml', True)
+        ne = NetworkEnvironment(ns, '../build/network-environment.yaml')
+        assert_is_instance(ne.get_netenv_settings(), dict)
+        assert_not_equal(ne.get_netenv_settings(), {})
diff --git a/tests/test_apex_network_settings.py b/tests/test_apex_network_settings.py
new file mode 100644
index 00000000..a891473f
--- /dev/null
+++ b/tests/test_apex_network_settings.py
@@ -0,0 +1,45 @@
+##############################################################################
+# 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
+##############################################################################
+
+from apex.network_settings import NetworkSettings
+
+from nose.tools import assert_equal
+from nose.tools import assert_is_instance
+
+
+class TestNetworkSettings(object):
+    @classmethod
+    def setup_class(klass):
+        """This method is run once for each class before any tests are run"""
+
+    @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_init(self):
+        ns = NetworkSettings('../config/network/network_settings.yaml', True)
+
+    def test_dump_bash(self):
+        ns = NetworkSettings('../config/network/network_settings.yaml', True)
+        assert_equal(ns.dump_bash(), None)
+        assert_equal(ns.dump_bash(path='/dev/null'), None)
+
+    def test_get_network_settings(self):
+        ns = NetworkSettings('../config/network/network_settings.yaml', True)
+        assert_is_instance(ns.get_network_settings(), dict)
+
+    def test_get_enabled_networks(self):
+        ns = NetworkSettings('../config/network/network_settings.yaml', True)
+        assert_is_instance(ns.get_enabled_networks(), list)