add windows support to network adapter

lib/resources/interface.rb

@@ -20,6 +20,8 @@ class NetworkInterface < Vulcano.resource(1)
     @interface_provider = nil
     if vulcano.os.linux?
       @interface_provider = LinuxInterface.new(vulcano)
+    elsif vulcano.os.windows?
+      @interface_provider = WindowsInterface.new(vulcano)
     else
       return skip_resource 'The `interface` resource is not supported on your OS yet.'
     end
@@ -86,3 +88,35 @@ class LinuxInterface < InterfaceInfo
     }
   end
 end
+
+class WindowsInterface < InterfaceInfo
+  def interface_info(iface)
+    # gather all network interfaces
+    cmd = @vulcano.command('Get-NetAdapter | Select-Object -Property Name, InterfaceDescription, Status, State, MacAddress, LinkSpeed, ReceiveLinkSpeed, TransmitLinkSpeed, Virtual | ConvertTo-Json')
+
+    # filter network interface
+    begin
+      net_adapter = JSON.parse(cmd.stdout)
+    rescue JSON::ParserError => _e
+      return nil
+    end
+
+    # ensure we have an array of groups
+    net_adapter = [net_adapter] if !net_adapter.is_a?(Array)
+
+    # select the requested interface
+    adapters = net_adapter.each_with_object([]) do |adapter, adapter_collection|
+      # map object
+      info = {
+        name: adapter['Name'],
+        up: adapter['State'] == 2,
+        speed: adapter['ReceiveLinkSpeed'] / 1000,
+      }
+      adapter_collection.push(info) if info[:name].casecmp(iface) == 0
+    end
+
+    return nil if adapters.size == 0
+    warn "[Possible Error] detected multiple network interfaces with the name #{iface}" if adapters.size > 1
+    adapters[0]
+  end
+end

test/helper.rb

@@ -147,6 +147,7 @@ class MockLoader
       # network interface
       '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'),
     }
 
     # set os emulation

test/unit/mock/cmd/Get-NetAdapter

@@ -0,0 +1,24 @@
+[
+    {
+        "Name":  "vEthernet (Intel(R) PRO 1000 MT Network Connection - Virtual Switch)",
+        "InterfaceDescription":  "Hyper-V Virtual Ethernet Adapter #2",
+        "Status":  "Up",
+        "State":  2,
+        "MacAddress":  "00-0C-29-E3-48-9B",
+        "LinkSpeed":  "10 Gbps",
+        "ReceiveLinkSpeed":  10000000000,
+        "TransmitLinkSpeed":  10000000000,
+        "Virtual":  true
+    },
+    {
+        "Name":  "Ethernet0",
+        "InterfaceDescription":  "Intel(R) PRO/1000 MT Network Connection",
+        "Status":  "Not Present",
+        "State":  3,
+        "MacAddress":  "00-0C-29-E3-48-9B",
+        "LinkSpeed":  "0 bps",
+        "ReceiveLinkSpeed":  0,
+        "TransmitLinkSpeed":  0,
+        "Virtual":  false
+    }
+]

test/unit/resource_interface_test.rb

@@ -21,4 +21,34 @@ describe 'Vulcano::Resources::Group' do
     _(resource.up?).must_equal false
     _(resource.speed).must_equal nil
   end
+
+  it 'verify interface on windows' do
+    resource = MockLoader.new(:windows).load_resource('interface', 'ethernet0')
+    _(resource.exists?).must_equal true
+    _(resource.up?).must_equal false
+    _(resource.speed).must_equal 0
+  end
+
+  it 'verify interface on windows' do
+    resource = MockLoader.new(:windows).load_resource('interface', 'vEthernet (Intel(R) PRO 1000 MT Network Connection - Virtual Switch)')
+    _(resource.exists?).must_equal true
+    _(resource.up?).must_equal true
+    _(resource.speed).must_equal 10000000
+  end
+
+  it 'verify invalid interface on windows' do
+    resource = MockLoader.new(:windows).load_resource('interface', 'eth1')
+    _(resource.exists?).must_equal false
+    _(resource.up?).must_equal false
+    _(resource.speed).must_equal nil
+  end
+
+  # undefined
+  it 'verify interface on unsupported os' do
+    resource = MockLoader.new(:undefined).load_resource('interface', 'eth0')
+    _(resource.exists?).must_equal false
+    _(resource.up?).must_equal false
+    _(resource.speed).must_equal nil
+  end
+
 end