qemu: Add parameters adding unit tests

We only test the Machine parameters for now.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

qemu_test.go

@@ -0,0 +1,58 @@
+/*
+// Copyright (c) 2016 Intel Corporation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+*/
+
+package qemu
+
+import (
+	//	"fmt"
+	"strings"
+	"testing"
+)
+
+func testAppend(structure interface{}, expected string, t *testing.T) {
+	var params []string
+
+	switch s := structure.(type) {
+	case Machine:
+		config := Config{
+			Machine: s,
+		}
+
+		params = appendMachine([]string{}, config)
+	}
+
+	result := strings.Join(params, " ")
+	if result != expected {
+		t.Fatalf("Failed to append Machine [%s] != [%s]", result, expected)
+	}
+}
+
+var machineString = "-machine pc-lite,accel=kvm,kernel_irqchip,nvdimm"
+
+func TestAppendMachine(t *testing.T) {
+	machine := Machine{
+		Type:         "pc-lite",
+		Acceleration: "kvm,kernel_irqchip,nvdimm",
+	}
+
+	testAppend(machine, machineString, t)
+}
+
+func TestAppendEmptyMachine(t *testing.T) {
+	machine := Machine{}
+
+	testAppend(machine, "", t)
+}