cli: Add initial cli implementation.

- Add kata-runtime
- Add unit test
- Add Makefile to build cli

Fixes: #33

Signed-off-by: Julio Montes <julio.montes@intel.com>
Signed-off-by: James O. D. Hunt <james.o.hunt@intel.com>
Signed-off-by: Jose Carlos Venegas Munoz <jose.carlos.venegas.munoz@intel.com>

cli/state_test.go

@@ -0,0 +1,90 @@
+// Copyright (c) 2017 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 main
+
+import (
+	"flag"
+	"testing"
+
+	vc "github.com/kata-containers/runtime/virtcontainers"
+	vcAnnotations "github.com/kata-containers/runtime/virtcontainers/pkg/annotations"
+	"github.com/kata-containers/runtime/virtcontainers/pkg/vcMock"
+	"github.com/stretchr/testify/assert"
+	"github.com/urfave/cli"
+)
+
+func TestStateCliAction(t *testing.T) {
+	assert := assert.New(t)
+
+	actionFunc, ok := stateCLICommand.Action.(func(ctx *cli.Context) error)
+	assert.True(ok)
+
+	flagSet := flag.NewFlagSet("flag", flag.ContinueOnError)
+
+	// without container id
+	flagSet.Parse([]string{"runtime"})
+	ctx := cli.NewContext(&cli.App{}, flagSet, nil)
+	err := actionFunc(ctx)
+	assert.Error(err)
+
+	// with container id
+	flagSet.Parse([]string{"runtime", testContainerID})
+	ctx = cli.NewContext(&cli.App{}, flagSet, nil)
+	err = actionFunc(ctx)
+	assert.Error(err)
+}
+
+func TestStateSuccessful(t *testing.T) {
+	assert := assert.New(t)
+
+	pod := &vcMock.Pod{
+		MockID: testContainerID,
+	}
+
+	pod.MockContainers = []*vcMock.Container{
+		{
+			MockID:  pod.ID(),
+			MockPod: pod,
+		},
+	}
+
+	testingImpl.ListPodFunc = func() ([]vc.PodStatus, error) {
+		// return a podStatus with the container status
+		return []vc.PodStatus{
+			{
+				ID: pod.ID(),
+				ContainersStatus: []vc.ContainerStatus{
+					{
+						ID: pod.ID(),
+						Annotations: map[string]string{
+							vcAnnotations.ContainerTypeKey: string(vc.PodContainer),
+						},
+					},
+				},
+			},
+		}, nil
+	}
+
+	defer func() {
+		testingImpl.ListPodFunc = nil
+	}()
+
+	// trying with an inexistent id
+	err := state("123456789")
+	assert.Error(err)
+
+	err = state(pod.ID())
+	assert.NoError(err)
+}