# encoding: UTF-8

require_relative 'spec_helper'
require ::File.join ::File.dirname(__FILE__), '..', 'libraries', 'endpoints'

describe ::Openstack do
  before do
    @chef_run = ::ChefSpec::Runner.new ::CHEFSPEC_OPTS
    @chef_run.converge 'openstack-common::set_endpoints_by_interface'
    @subject = ::Object.new.extend ::Openstack
  end

  describe '#endpoint' do
    it 'returns nil when no openstack.endpoints not in node attrs' do
      @subject.stub(:node).and_return {}
      @subject.endpoint('nonexisting').should be_nil
    end
    it 'returns nil when no such endpoint was found' do
      @subject.stub(:node).and_return @chef_run.node
      @subject.endpoint('nonexisting').should be_nil
    end
    it 'handles a URI needing escaped' do
      uri_hash = {
        'openstack' => {
          'endpoints' => {
            'compute-api' => {
              'uri' => 'http://localhost:8080/v2/%(tenant_id)s'
            }
          }
        }
      }
      @subject.stub(:node).and_return uri_hash
      result = @subject.endpoint 'compute-api'
      result.path.should == '/v2/%25(tenant_id)s'
    end
    it 'returns endpoint URI object when uri key in endpoint hash' do
      uri_hash = {
        'openstack' => {
          'endpoints' => {
            'compute-api' => {
              'uri' => 'http://localhost:8080/path'
            }
          }
        }
      }
      @subject.stub(:node).and_return uri_hash
      result = @subject.endpoint 'compute-api'
      result.port.should == 8080
    end
    it 'returns endpoint URI string when uri key in endpoint hash and host also in hash' do
      uri_hash = {
        'openstack' => {
          'endpoints' => {
            'compute-api' => {
              'uri' => 'http://localhost',
              'host' => 'ignored'
            }
          }
        }
      }
      @subject.stub(:node).and_return uri_hash
      @subject.endpoint('compute-api').to_s.should == 'http://localhost'
    end
    it 'returns endpoint URI object when uri key not in endpoint hash but host is in hash' do
      @subject.should_receive(:uri_from_hash).with('host' => 'localhost', 'port' => '8080')
      uri_hash = {
        'openstack' => {
          'endpoints' => {
            'compute-api' => {
              'host' => 'localhost',
              'port' => '8080'
            }
          }
        }
      }
      @subject.stub(:node).and_return uri_hash
      @subject.endpoint 'compute-api'
    end
    it 'endpoints recipe bind_interface sets host' do
      @subject.stub('address_for').and_return '10.0.0.100'
      chef_run = ::ChefSpec::Runner.new ::UBUNTU_OPTS
      chef_run.node.set['openstack']['endpoints']['identity-api']['bind_interface'] = 'eth0'
      chef_run.node.set['network'] = {
        'interfaces' => {
          'lo' => {
            'addresses' => {
              '127.0.0.1' => {
                'family' => 'inet',
                'netmask' => '255.0.0.0',
                'scope' => 'Node'
              }
            }
          },
          'eth0' => {
            'addresses' => {
              '10.0.0.100' => {
                'family' => 'inet',
                'netmask' => '255.255.255.0',
                'scope' => 'Global'
              }
            }
          }
        }
      }
      chef_run.converge 'openstack-common::set_endpoints_by_interface'
      expect(chef_run.node['openstack']['endpoints']['identity-api']['host']).to eql('10.0.0.100')
    end
  end

  describe '#endpoints' do
    it 'does nothing when no endpoints' do
      @subject.stub(:node).and_return {}
      @subject.endpoints.should be_nil
    end
    it 'does nothing when empty endpoints' do
      @subject.stub(:node).and_return('openstack' => { 'endpoints' => {} })
      @count = 0
      @subject.endpoints do | ep |
        @count += 1
      end
      @count.should == 0
    end
    it 'executes block count when have endpoints' do
      @subject.stub(:node).and_return @chef_run.node
      @count = 0
      @subject.endpoints do |ep|
        @count += 1
      end
      @count.should >= 1
    end
  end

  describe '#db' do
    it 'returns nil when no openstack.db not in node attrs' do
      @subject.stub(:node).and_return {}
      @subject.db('nonexisting').should be_nil
    end
    it 'returns nil when no such service was found' do
      @subject.stub(:node).and_return @chef_run.node
      @subject.db('nonexisting').should be_nil
    end
    it 'returns db info hash when service found' do
      @subject.stub(:node).and_return @chef_run.node
      @subject.db('compute')['host'].should eq('127.0.0.1')
      @subject.db('compute').key?('uri').should be_false
    end
  end

  describe '#db_uri' do
    it 'returns nil when no openstack.db not in node attrs' do
      @subject.stub(:node).and_return {}
      @subject.db_uri('nonexisting', 'user', 'pass').should be_nil
    end
    it 'returns nil when no such service was found' do
      @subject.stub(:node).and_return @chef_run.node
      @subject.db_uri('nonexisting', 'user', 'pass').should be_nil
    end
    it 'returns db info hash when service found' do
      @subject.stub(:node).and_return @chef_run.node
      expect = 'mysql://user:pass@127.0.0.1:3306/nova?charset=utf8'
      @subject.db_uri('compute', 'user', 'pass').should == expect
    end
  end
end