Fix callback cli message when promise is already completed (#503)

cmd/callbacks/create.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
+	"strings"
 	"time"
 
 	"github.com/resonatehq/resonate/pkg/client"
@@ -73,7 +74,11 @@ func CreateCallbackCmd(c client.Client) *cobra.Command {
 			if res.StatusCode() == 201 {
 				cmd.Printf("Created callback: %s\n", id)
 			} else if res.StatusCode() == 200 {
-				cmd.Printf("Created callback: %s (deduplicated)\n", id)
+				if res.JSON200.Promise != nil && res.JSON200.Promise.State != v1.PromiseStatePENDING {
+					cmd.Printf("Promise %s already %s\n", promiseId, strings.ToLower(string(res.JSON200.Promise.State)))
+				} else {
+					cmd.Printf("Created callback: %s (deduplicated)\n", id)
+				}
 			} else {
 				cmd.PrintErrln(res.Status(), string(res.Body))
 			}

test/dst/dst.go

@@ -313,7 +313,7 @@ func (d *DST) Run(r *rand.Rand, api api.API, aio aio.AIO, system *system.System)
 func (d *DST) logNonLinearizable(ops []porcupine.Operation, history porcupine.LinearizationInfo) {
 	// log the linearizations
 	linearizations := history.PartialLinearizationsOperations()
-	util.Assert(len(linearizations) == 3, "linearizations must be equal to the number of partitions")
+	util.Assert(len(linearizations) == 4, "linearizations must be equal to the number of partitions")
 
 	// check each parition individually
 	// partitions are in order: promise, schedule, lock