Try to fix tests

Author: sbernhard

bundler.d/krb5.rb

@@ -2,3 +2,6 @@
   gem 'rkerberos', '>= 0.1.1'
   gem 'gssapi'
 end
+
+# set a flag that krb5 is available. Only used for tests
+USE_KRB5_IN_TESTS = true

bundler.d/libvirt.rb

@@ -1,3 +1,6 @@
 group :libvirt do
   gem 'ruby-libvirt', '>= 0.6.0'
 end
+
+# set a flag that libvirt is available. Only used for tests
+USE_LIBVIRT_IN_TESTS = true

test/dhcp_libvirt/dhcp_libvirt_config_test.rb

@@ -1,4 +1,8 @@
 require 'test_helper'
+
+# omit all tests if libvirt is not enabled in tests
+Test::Unit::TestCase.omit("libvirt not available/enabled") unless(defined?(USE_LIBVIRT_IN_TESTS) && USE_LIBVIRT_IN_TESTS)
+
 require 'dhcp_libvirt/dhcp_libvirt'
 
 class DhcpLibvirtConfigTest < Test::Unit::TestCase

test/dhcp_libvirt/dhcp_libvirt_provider_interface_test.rb

@@ -1,4 +1,8 @@
 require 'test_helper'
+
+# omit all tests if libvirt is not enabled in tests
+Test::Unit::TestCase.omit("libvirt not available/enabled") unless(defined?(USE_LIBVIRT_IN_TESTS) && USE_LIBVIRT_IN_TESTS)
+
 require 'dhcp_libvirt/dhcp_libvirt_main'
 
 class LibvirtDhcpProviderInterfaceTest < Test::Unit::TestCase

test/dhcp_libvirt/dhcp_libvirt_provider_test.rb

@@ -1,4 +1,8 @@
 require 'test_helper'
+
+# omit all tests if libvirt is not enabled in tests
+Test::Unit::TestCase.omit("libvirt not available/enabled") unless(defined?(USE_LIBVIRT_IN_TESTS) && USE_LIBVIRT_IN_TESTS)
+
 require 'dhcp_common/server'
 require 'dhcp_common/subnet_service'
 require 'dhcp_libvirt/dhcp_libvirt'

test/dhcp_libvirt/integration_test.rb

@@ -1,4 +1,8 @@
 require 'test_helper'
+
+# omit all tests if libvirt is not enabled in tests
+Test::Unit::TestCase.omit("libvirt not available/enabled") unless(defined?(USE_LIBVIRT_IN_TESTS) && USE_LIBVIRT_IN_TESTS)
+
 require 'json'
 require 'root/root_v2_api'
 require 'dhcp/dhcp'

test/dhcp_libvirt/libvirt_dhcp_network_test.rb

@@ -1,4 +1,8 @@
 require 'test_helper'
+
+# omit all tests if libvirt is not enabled in tests
+Test::Unit::TestCase.omit("libvirt not available/enabled") unless(defined?(USE_LIBVIRT_IN_TESTS) && USE_LIBVIRT_IN_TESTS)
+
 require 'ostruct'
 require 'dhcp_libvirt/libvirt_dhcp_network'
 

test/dhcp_libvirt/production_di_wirings_test.rb

@@ -1,4 +1,8 @@
 require 'test_helper'
+
+# omit all tests if libvirt is not enabled in tests
+Test::Unit::TestCase.omit("libvirt not available/enabled") unless(defined?(USE_LIBVIRT_IN_TESTS) && USE_LIBVIRT_IN_TESTS)
+
 require 'dhcp_common/subnet_service'
 require 'dhcp_common/free_ips'
 require 'dhcp_libvirt/libvirt_dhcp_network'

test/dhcp_libvirt/subnet_service_initializer_test.rb

@@ -1,4 +1,8 @@
 require 'test_helper'
+
+# omit all tests if libvirt is not enabled in tests
+Test::Unit::TestCase.omit("libvirt not available/enabled") unless(defined?(USE_LIBVIRT_IN_TESTS) && USE_LIBVIRT_IN_TESTS)
+
 require 'dhcp_common/subnet_service'
 require 'dhcp_libvirt/subnet_service_initializer'
 

test/dns_libvirt/dns_libvirt_configuration_test.rb

@@ -1,4 +1,8 @@
 require 'test_helper'
+
+# omit all tests if libvirt is not enabled in tests
+Test::Unit::TestCase.omit("libvirt not available/enabled") unless(defined?(USE_LIBVIRT_IN_TESTS) && USE_LIBVIRT_IN_TESTS)
+
 require 'dns_libvirt/plugin_configuration'
 require 'dns_libvirt/dns_libvirt_main'