add bridge test for linux

test/helper.rb

@@ -56,6 +56,16 @@ class MockLoader
       path = ::File.join(scriptpath, '/unit/mock/files', x)
       local.file(path)
     }
+    mockdir = lambda { |x|
+      md = Object.new
+      md.class.module_eval { attr_accessor :isDir }
+      md.isDir = x
+      def md.directory?
+        @isDir
+      end
+      md
+    }
+
     mock.files = {
       '/proc/net/bonding/bond0' => mockfile.call('bond0'),
       '/etc/ssh/ssh_config' => mockfile.call('ssh_config'),
@@ -72,6 +82,7 @@ class MockLoader
       'kitchen.yml' => mockfile.call('kitchen.yml'),
       'example.csv' => mockfile.call('example.csv'),
       'policyfile.lock.json' => mockfile.call('policyfile.lock.json'),
+      '/sys/class/net/br0/bridge' => mockdir.call(true),
     }
 
     # create all mock commands
@@ -148,6 +159,8 @@ class MockLoader
       '9e80f048a1af5a0f6ab8a465e46ea5ed5ba6587e9b5e54a7a0c0a1a02bb6f663' => cmd.call('find-net-interface'),
       'c33821dece09c8b334e03a5bb9daefdf622007f73af4932605e758506584ec3f' => empty.call,
       'Get-NetAdapter | Select-Object -Property Name, InterfaceDescription, Status, State, MacAddress, LinkSpeed, ReceiveLinkSpeed, TransmitLinkSpeed, Virtual | ConvertTo-Json' => cmd.call('Get-NetAdapter'),
+      # bridge
+      'ls -1 /sys/class/net/br0/brif/' => cmd.call('ls-sys-class-net-br'),
     }
 
     # set os emulation

test/unit/mock/cmd/ls-sys-class-net-br

@@ -0,0 +1,2 @@
+eth1
+eth2

test/unit/resource_bridge_test.rb

@@ -0,0 +1,22 @@
+# encoding: utf-8
+# author: Christoph Hartmann
+# author: Dominik Richter
+
+require 'helper'
+require 'vulcano/resource'
+
+describe 'Vulcano::Resources::Bridge' do
+
+  it 'check linux bridge' do
+    resource = MockLoader.new(:ubuntu1404).load_resource('bridge', 'br0')
+    _(resource.exists?).must_equal true
+
+    # check network interfaced attached to bridge
+    _(resource.has_interface?('eth0')).must_equal false
+    _(resource.has_interface?('eth1')).must_equal true
+    _(resource.has_interface?('eth2')).must_equal true
+
+    # get associated interfaces
+    _(resource.interfaces).must_equal %w{eth1 eth2}
+  end
+end