Sort services names in a natural order

Signed-off-by: Boaz Shuster <ripcurld.github@gmail.com>

cli/command/service/client_test.go

@@ -0,0 +1,35 @@
+package service
+
+import (
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/swarm"
+	"github.com/docker/docker/client"
+	"golang.org/x/net/context"
+)
+
+type fakeClient struct {
+	client.Client
+	serviceListFunc func(context.Context, types.ServiceListOptions) ([]swarm.Service, error)
+}
+
+func (f *fakeClient) ServiceList(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error) {
+	if f.serviceListFunc != nil {
+		return f.serviceListFunc(ctx, options)
+	}
+	return nil, nil
+}
+
+func (f *fakeClient) TaskList(ctx context.Context, options types.TaskListOptions) ([]swarm.Task, error) {
+	return nil, nil
+}
+
+func (f *fakeClient) NodeList(ctx context.Context, options types.NodeListOptions) ([]swarm.Node, error) {
+	return nil, nil
+}
+
+func newService(id string, name string) swarm.Service {
+	return swarm.Service{
+		ID:   id,
+		Spec: swarm.ServiceSpec{Annotations: swarm.Annotations{Name: name}},
+	}
+}

cli/command/service/list.go

@@ -2,6 +2,9 @@ package service
 
 import (
 	"fmt"
+	"sort"
+
+	"vbom.ml/util/sortorder"
 
 	"github.com/docker/cli/cli"
 	"github.com/docker/cli/cli/command"
@@ -20,7 +23,7 @@ type listOptions struct {
 	filter opts.FilterOpt
 }
 
-func newListCommand(dockerCli *command.DockerCli) *cobra.Command {
+func newListCommand(dockerCli command.Cli) *cobra.Command {
 	options := listOptions{filter: opts.NewFilterOpt()}
 
 	cmd := &cobra.Command{
@@ -41,7 +44,13 @@ func newListCommand(dockerCli *command.DockerCli) *cobra.Command {
 	return cmd
 }
 
-func runList(dockerCli *command.DockerCli, options listOptions) error {
+type byName []swarm.Service
+
+func (n byName) Len() int           { return len(n) }
+func (n byName) Swap(i, j int)      { n[i], n[j] = n[j], n[i] }
+func (n byName) Less(i, j int) bool { return sortorder.NaturalLess(n[i].Spec.Name, n[j].Spec.Name) }
+
+func runList(dockerCli command.Cli, options listOptions) error {
 	ctx := context.Background()
 	client := dockerCli.Client()
 
@@ -51,6 +60,7 @@ func runList(dockerCli *command.DockerCli, options listOptions) error {
 		return err
 	}
 
+	sort.Sort(byName(services))
 	info := map[string]formatter.ServiceListInfo{}
 	if len(services) > 0 && !options.quiet {
 		// only non-empty services and not quiet, should we call TaskList and NodeList api

cli/command/service/list_test.go

@@ -0,0 +1,32 @@
+package service
+
+import (
+	"testing"
+
+	"golang.org/x/net/context"
+
+	"github.com/docker/cli/cli/internal/test"
+	"github.com/docker/docker/api/types"
+	"github.com/docker/docker/api/types/swarm"
+	"github.com/docker/docker/pkg/testutil"
+	"github.com/docker/docker/pkg/testutil/golden"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestServiceListOrder(t *testing.T) {
+	cli := test.NewFakeCli(&fakeClient{
+		serviceListFunc: func(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error) {
+			return []swarm.Service{
+				newService("a57dbe8", "service-1-foo"),
+				newService("a57dbdd", "service-10-foo"),
+				newService("aaaaaaa", "service-2-foo"),
+			}, nil
+		},
+	})
+	cmd := newListCommand(cli)
+	cmd.Flags().Set("format", "{{.Name}}")
+	assert.NoError(t, cmd.Execute())
+	actual := cli.OutBuffer().String()
+	expected := golden.Get(t, []byte(actual), "service-list-sort.golden")
+	testutil.EqualNormalizedString(t, testutil.RemoveSpace, actual, string(expected))
+}

cli/command/service/ps_test.go

@@ -10,35 +10,11 @@ import (
 	"github.com/docker/docker/api/types"
 	"github.com/docker/docker/api/types/filters"
 	"github.com/docker/docker/api/types/swarm"
-	"github.com/docker/docker/client"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 	"golang.org/x/net/context"
 )
 
-type fakeClient struct {
-	client.Client
-	serviceListFunc func(context.Context, types.ServiceListOptions) ([]swarm.Service, error)
-}
-
-func (f *fakeClient) ServiceList(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error) {
-	if f.serviceListFunc != nil {
-		return f.serviceListFunc(ctx, options)
-	}
-	return nil, nil
-}
-
-func (f *fakeClient) TaskList(ctx context.Context, options types.TaskListOptions) ([]swarm.Task, error) {
-	return nil, nil
-}
-
-func newService(id string, name string) swarm.Service {
-	return swarm.Service{
-		ID:   id,
-		Spec: swarm.ServiceSpec{Annotations: swarm.Annotations{Name: name}},
-	}
-}
-
 func TestCreateFilter(t *testing.T) {
 	client := &fakeClient{
 		serviceListFunc: func(ctx context.Context, options types.ServiceListOptions) ([]swarm.Service, error) {

cli/command/service/testdata/service-list-sort.golden

@@ -0,0 +1,3 @@
+service-1-foo
+service-2-foo
+service-10-foo