libcloud/test/loadbalancer/test_elb.py

# Licensed to the Apache Software Foundation (ASF) under one or more
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# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You 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
#
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# distributed under the License is distributed on an "AS IS" BASIS,
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import sys
import unittest

from libcloud.utils.py3 import httplib
from libcloud.loadbalancer.base import Member, Algorithm
from libcloud.loadbalancer.drivers.elb import ElasticLBDriver
from libcloud.loadbalancer.types import State

from libcloud.test import MockHttpTestCase
from libcloud.test.secrets import LB_ELB_PARAMS
from libcloud.test.file_fixtures import LoadBalancerFileFixtures


class ElasticLBTests(unittest.TestCase):
    def setUp(self):
        ElasticLBMockHttp.test = self
        ElasticLBDriver.connectionCls.conn_classes = (None,
                                                      ElasticLBMockHttp)
        ElasticLBMockHttp.type = None
        ElasticLBMockHttp.use_param = 'Action'

        self.driver = ElasticLBDriver(*LB_ELB_PARAMS)

    def test_list_protocols(self):
        protocols = self.driver.list_protocols()

        self.assertEqual(len(protocols), 4)
        self.assertTrue('tcp' in protocols)
        self.assertTrue('http' in protocols)

    def test_list_balancers(self):
        balancers = self.driver.list_balancers()

        self.assertEquals(len(balancers), 1)
        self.assertEquals(balancers[0].id, 'tests')
        self.assertEquals(balancers[0].name, 'tests')

    def test_get_balancer(self):
        balancer = self.driver.get_balancer(balancer_id='tests')

        self.assertEquals(balancer.id, 'tests')
        self.assertEquals(balancer.name, 'tests')
        self.assertEquals(balancer.state, State.UNKNOWN)

    def test_destroy_balancer(self):
        balancer = self.driver.get_balancer(balancer_id='tests')

        self.assertTrue(self.driver.destroy_balancer(balancer))

    def test_create_balancer(self):
        members = [Member('srv-lv426', None, None)]

        balancer = self.driver.create_balancer(name='lb2', port=80,
            protocol='http', algorithm=Algorithm.ROUND_ROBIN,
            members=members)

        self.assertEquals(balancer.name, 'lb2')
        self.assertEquals(balancer.port, 80)
        self.assertEquals(balancer.state, State.PENDING)

    def test_balancer_list_members(self):
        balancer = self.driver.get_balancer(balancer_id='tests')
        members = balancer.list_members()

        self.assertEquals(len(members), 1)
        self.assertEquals(members[0].balancer, balancer)
        self.assertEquals('i-64bd081c', members[0].id)

    def test_balancer_detach_member(self):
        balancer = self.driver.get_balancer(balancer_id='lba-1235f')
        member = Member('i-64bd081c', None, None)

        self.assertTrue(balancer.detach_member(member))


class ElasticLBMockHttp(MockHttpTestCase):
    fixtures = LoadBalancerFileFixtures('elb')

    def _2012_06_01_DescribeLoadBalancers(self, method, url, body, headers):
        body = self.fixtures.load('describe_load_balancers.xml')
        return (httplib.OK, body, {}, httplib.responses[httplib.OK])

    def _2012_06_01_CreateLoadBalancer(self, method, url, body, headers):
        body = self.fixtures.load('create_load_balancer.xml')
        return (httplib.OK, body, {}, httplib.responses[httplib.OK])

    def _2012_06_01_DeregisterInstancesFromLoadBalancer(self, method, url, body, headers):
        body = self.fixtures.load('deregister_instances_from_load_balancer.xml')
        return (httplib.OK, body, {}, httplib.responses[httplib.OK])

    def _2012_06_01_DeleteLoadBalancer(self, method, url, body, headers):
        body = ''
        return (httplib.OK, body, {}, httplib.responses[httplib.OK])


if __name__ == "__main__":
    sys.exit(unittest.main())