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Merge pull request #23946 from dnephin/service-update-args

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Fixes for `service update` of Args
This commit is contained in:
Vincent Demeester 2016-06-29 20:24:07 +02:00 committed by GitHub
commit 1e7ba55494
3 changed files with 44 additions and 3 deletions
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6
api/client/service/update.go
View file

@ -45,7 +45,7 @@ func runUpdate(dockerCli *client.DockerCli, flags *pflag.FlagSet, serviceID stri
return err
}
err = updateService(&service.Spec, flags)
err = updateService(flags, &service.Spec)
if err != nil {
return err
}
@ -58,7 +58,7 @@ func runUpdate(dockerCli *client.DockerCli, flags *pflag.FlagSet, serviceID stri
return nil
}
func updateService(spec *swarm.ServiceSpec, flags *pflag.FlagSet) error {
func updateService(flags *pflag.FlagSet, spec *swarm.ServiceSpec) error {
updateString := func(flag string, field *string) {
if flags.Changed(flag) {
@ -123,7 +123,7 @@ func updateService(spec *swarm.ServiceSpec, flags *pflag.FlagSet) error {
updateLabels(flags, &spec.Labels)
updateString("image", &cspec.Image)
updateSlice("command", &cspec.Command)
updateSlice("arg", &cspec.Command)
updateSlice("arg", &cspec.Args)
updateListOpts("env", &cspec.Env)
updateString("workdir", &cspec.Dir)
updateString(flagUser, &cspec.User)

26
api/client/service/update_test.go Normal file
View file

@ -0,0 +1,26 @@
package service
import (
"testing"
"github.com/docker/docker/pkg/testutil/assert"
"github.com/docker/engine-api/types/swarm"
)
func TestUpdateServiceCommandAndArgs(t *testing.T) {
flags := newUpdateCommand(nil).Flags()
flags.Set("command", "the")
flags.Set("command", "new")
flags.Set("command", "command")
flags.Set("arg", "the")
flags.Set("arg", "new args")
spec := &swarm.ServiceSpec{}
cspec := &spec.TaskTemplate.ContainerSpec
cspec.Command = []string{"old", "command"}
cspec.Args = []string{"old", "args"}
updateService(flags, spec)
assert.EqualStringSlice(t, cspec.Command, []string{"the", "new", "command"})
assert.EqualStringSlice(t, cspec.Args, []string{"the", "new args"})
}

15
pkg/testutil/assert/assert.go
View file

@ -19,6 +19,21 @@ func Equal(t TestingT, actual, expected interface{}) {
}
}
//EqualStringSlice compares two slices and fails the test if they do not contain
// the same items.
func EqualStringSlice(t TestingT, actual, expected []string) {
if len(actual) != len(expected) {
t.Fatalf("Expected (length %d): %q\nActual (length %d): %q",
len(expected), expected, len(actual), actual)
}
for i, item := range actual {
if item != expected[i] {
t.Fatalf("Slices differ at element %d, expected %q got %q",
i, expected[i], item)
}
}
}
// NilError asserts that the error is nil, otherwise it fails the test.
func NilError(t TestingT, err error) {
if err != nil {