[digitalocean|compute] Implement missing requests

- power_off_server
- power_on_server
- shutdown_server

Added required tests

lib/fog/digitalocean/compute.rb

@@ -30,6 +30,9 @@ module Fog
       request      :destroy_server
       request      :reboot_server
       request      :power_cycle_server
+      request      :power_off_server
+      request      :power_on_server
+      request      :shutdown_server
 
       # request :digitalocean_resize      
 

lib/fog/digitalocean/requests/compute/power_off_server.rb

@@ -0,0 +1,25 @@
+module Fog
+  module Compute
+    class DigitalOcean
+      class Real
+
+        def power_off_server( id )
+          request(
+            :expects  => [200],
+            :method   => 'GET',
+            :path     => "droplets/#{id}/power_off"
+          )
+        end
+
+      end
+
+      class Mock
+
+        def power_off_server( id )
+          Fog::Mock.not_implemented
+        end
+
+      end
+    end
+  end
+end

lib/fog/digitalocean/requests/compute/power_on_server.rb

@@ -0,0 +1,25 @@
+module Fog
+  module Compute
+    class DigitalOcean
+      class Real
+
+        def power_on_server( id )
+          request(
+            :expects  => [200],
+            :method   => 'GET',
+            :path     => "droplets/#{id}/power_on"
+          )
+        end
+
+      end
+
+      class Mock
+
+        def power_on_server( id )
+          Fog::Mock.not_implemented
+        end
+
+      end
+    end
+  end
+end

lib/fog/digitalocean/requests/compute/shutdown_server.rb

@@ -0,0 +1,25 @@
+module Fog
+  module Compute
+    class DigitalOcean
+      class Real
+
+        def shutdown_server( id )
+          request(
+            :expects  => [200],
+            :method   => 'GET',
+            :path     => "droplets/#{id}/shutdown"
+          )
+        end
+
+      end
+
+      class Mock
+
+        def shutdown_server( id )
+          Fog::Mock.not_implemented
+        end
+
+      end
+    end
+  end
+end

tests/digitalocean/requests/compute/power_state_tests.rb

@@ -0,0 +1,31 @@
+Shindo.tests('Fog::Compute[:digitalocean] | reboot_server request', ['digitalocean', 'compute']) do
+
+  service = Fog::Compute[:digitalocean]
+  server = fog_test_server
+
+  tests('success') do
+
+    test('#power_off_server') do
+      service.power_off_server(server.id)
+      server.wait_for(120) { !ready? }
+      server.status == 'off'
+    end
+
+    test('#power_on_server') do
+      service.power_on_server server.id
+      server.wait_for(120) { ready? }
+      server.ready?
+    end
+    
+    test('#shutdown_server') do
+      service.shutdown_server server.id
+      server.wait_for(120) { status == 'off' }
+      server.status == 'off'
+    end
+    
+    # restore status
+    server.start
+
+  end
+
+end