server metadata operations and tests
diff --git a/openstack/compute/v2/servers/fixtures.go b/openstack/compute/v2/servers/fixtures.go
index 9ec3def..ed03b5c 100644
--- a/openstack/compute/v2/servers/fixtures.go
+++ b/openstack/compute/v2/servers/fixtures.go
@@ -458,6 +458,7 @@
 	})
 }
 
+// HandleServerRescueSuccessfully sets up the test server to respond to a server Rescue request.
 func HandleServerRescueSuccessfully(t *testing.T) {
 	th.Mux.HandleFunc("/servers/1234asdf/action", func(w http.ResponseWriter, r *http.Request) {
 		th.TestMethod(t, r, "POST")
@@ -468,3 +469,91 @@
 		w.Write([]byte(`{ "adminPass": "1234567890" }`))
 	})
 }
+
+// HandleMetadataGetSuccessfully sets up the test server to respond to a metadata Get request.
+func HandleMetadataGetSuccessfully(t *testing.T) {
+	th.Mux.HandleFunc("/servers/1234asdf/metadata/foo", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "GET")
+		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
+		th.TestHeader(t, r, "Accept", "application/json")
+
+		w.WriteHeader(http.StatusOK)
+		w.Header().Add("Content-Type", "application/json")
+		w.Write([]byte(`{ "meta": {"foo":"bar"}}`))
+	})
+}
+
+// HandleMetadataCreateSuccessfully sets up the test server to respond to a server creation request.
+func HandleMetadataCreateSuccessfully(t *testing.T) {
+	th.Mux.HandleFunc("/servers/1234asdf/metadata/foo", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "PUT")
+		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
+		th.TestJSONRequest(t, r, `{
+			"meta": {
+				"foo": "bar"
+			}
+		}`)
+
+		w.WriteHeader(http.StatusOK)
+		w.Header().Add("Content-Type", "application/json")
+		w.Write([]byte(`{ "meta": {"foo":"bar"}}`))
+	})
+}
+
+// HandleMetadataDeleteSuccessfully sets up the test server to respond to a metadata Delete request.
+func HandleMetadataDeleteSuccessfully(t *testing.T) {
+	th.Mux.HandleFunc("/servers/1234asdf/metadata/foo", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "DELETE")
+		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
+
+		w.WriteHeader(http.StatusNoContent)
+	})
+}
+
+// HandleMetadatasGetSuccessfully sets up the test server to respond to a metadatas Get request.
+func HandleMetadatasGetSuccessfully(t *testing.T) {
+	th.Mux.HandleFunc("/servers/1234asdf/metadata", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "GET")
+		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
+		th.TestHeader(t, r, "Accept", "application/json")
+
+		w.WriteHeader(http.StatusOK)
+		w.Write([]byte(`{ "metadata": {"foo":"bar", "this":"that"}}`))
+	})
+}
+
+// HandleMetadatasCreateSuccessfully sets up the test server to respond to a metadatas Create request.
+func HandleMetadatasCreateSuccessfully(t *testing.T) {
+	th.Mux.HandleFunc("/servers/1234asdf/metadata", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "PUT")
+		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
+		th.TestJSONRequest(t, r, `{
+				"metadata": {
+					"foo": "bar",
+					"this": "that"
+				}
+			}`)
+
+		w.WriteHeader(http.StatusOK)
+		w.Header().Add("Content-Type", "application/json")
+		w.Write([]byte(`{ "metadata": {"foo":"bar", "this":"that"}}`))
+	})
+}
+
+// HandleMetadatasUpdateSuccessfully sets up the test server to respond to a metadatas Update request.
+func HandleMetadatasUpdateSuccessfully(t *testing.T) {
+	th.Mux.HandleFunc("/servers/1234asdf/metadata", func(w http.ResponseWriter, r *http.Request) {
+		th.TestMethod(t, r, "POST")
+		th.TestHeader(t, r, "X-Auth-Token", client.TokenID)
+		th.TestJSONRequest(t, r, `{
+				"metadata": {
+					"foo": "baz",
+					"this": "those"
+				}
+			}`)
+
+		w.WriteHeader(http.StatusOK)
+		w.Header().Add("Content-Type", "application/json")
+		w.Write([]byte(`{ "metadata": {"foo":"baz", "this":"those"}}`))
+	})
+}