DockerCLI/cli/command/service/rollback_test.go

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package service
import (
"context"
"fmt"
"io/ioutil"
"strings"
"testing"
"github.com/docker/cli/internal/test"
"github.com/docker/docker/api/types"
"github.com/docker/docker/api/types/swarm"
"github.com/gotestyourself/gotestyourself/assert"
is "github.com/gotestyourself/gotestyourself/assert/cmp"
)
func TestRollback(t *testing.T) {
testCases := []struct {
name string
args []string
serviceUpdateFunc func(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error)
expectedDockerCliErr string
}{
{
name: "rollback-service",
args: []string{"service-id"},
},
{
name: "rollback-service-with-warnings",
args: []string{"service-id"},
serviceUpdateFunc: func(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error) {
response := types.ServiceUpdateResponse{}
response.Warnings = []string{
"- warning 1",
"- warning 2",
}
return response, nil
},
expectedDockerCliErr: "- warning 1\n- warning 2",
},
}
for _, tc := range testCases {
cli := test.NewFakeCli(&fakeClient{
serviceUpdateFunc: tc.serviceUpdateFunc,
})
cmd := newRollbackCommand(cli)
cmd.SetArgs(tc.args)
cmd.Flags().Set("quiet", "true")
cmd.SetOutput(ioutil.Discard)
assert.NilError(t, cmd.Execute())
assert.Check(t, is.Equal(strings.TrimSpace(cli.ErrBuffer().String()), tc.expectedDockerCliErr))
}
}
func TestRollbackWithErrors(t *testing.T) {
testCases := []struct {
name string
args []string
serviceInspectWithRawFunc func(ctx context.Context, serviceID string, options types.ServiceInspectOptions) (swarm.Service, []byte, error)
serviceUpdateFunc func(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error)
expectedError string
}{
{
name: "not-enough-args",
expectedError: "requires exactly 1 argument",
},
{
name: "too-many-args",
args: []string{"service-id-1", "service-id-2"},
expectedError: "requires exactly 1 argument",
},
{
name: "service-does-not-exists",
args: []string{"service-id"},
serviceInspectWithRawFunc: func(ctx context.Context, serviceID string, options types.ServiceInspectOptions) (swarm.Service, []byte, error) {
return swarm.Service{}, []byte{}, fmt.Errorf("no such services: %s", serviceID)
},
expectedError: "no such services: service-id",
},
{
name: "service-update-failed",
args: []string{"service-id"},
serviceUpdateFunc: func(ctx context.Context, serviceID string, version swarm.Version, service swarm.ServiceSpec, options types.ServiceUpdateOptions) (types.ServiceUpdateResponse, error) {
return types.ServiceUpdateResponse{}, fmt.Errorf("no such services: %s", serviceID)
},
expectedError: "no such services: service-id",
},
}
for _, tc := range testCases {
cmd := newRollbackCommand(
test.NewFakeCli(&fakeClient{
serviceInspectWithRawFunc: tc.serviceInspectWithRawFunc,
serviceUpdateFunc: tc.serviceUpdateFunc,
}))
cmd.SetArgs(tc.args)
cmd.Flags().Set("quiet", "true")
cmd.SetOutput(ioutil.Discard)
assert.ErrorContains(t, cmd.Execute(), tc.expectedError)
}
}