Fix marshaling of payloads with null values (#617)

Fixes #607

Bump `api` to pull in temporalio/api-go#159

go.mod

@@ -154,6 +154,8 @@ require (
 	modernc.org/token v1.1.0 // indirect
 )
 
-replace go.temporal.io/api v1.34.0 => go.temporal.io/api v1.32.1
+// See https://github.com/temporalio/cli/pull/596#discussion_r1666988960
+// #596 downgraded api to 1.32.1, but there are required bug fixes that came after 1.32.1.
+replace go.temporal.io/api v1.34.0 => go.temporal.io/api v1.32.1-cherry-pick-for-cli-tag
 
 replace github.com/nexus-rpc/sdk-go v0.0.8-0.20240502185337-2b47041a2cc2 => github.com/nexus-rpc/sdk-go v0.0.7

go.sum

@@ -349,8 +349,8 @@ go.opentelemetry.io/otel/trace v1.26.0 h1:1ieeAUb4y0TE26jUFrCIXKpTuVK7uJGN9/Z/2L
 go.opentelemetry.io/otel/trace v1.26.0/go.mod h1:4iDxvGDQuUkHve82hJJ8UqrwswHYsZuWCBllGV2U2y0=
 go.opentelemetry.io/proto/otlp v1.2.0 h1:pVeZGk7nXDC9O2hncA6nHldxEjm6LByfA2aN8IOkz94=
 go.opentelemetry.io/proto/otlp v1.2.0/go.mod h1:gGpR8txAl5M03pDhMC79G6SdqNV26naRm/KDsgaHD8A=
-go.temporal.io/api v1.32.1 h1:jivpWVuxUya9XkmJTcLLcb2kFqkwrknXpx13HlaQR0Y=
-go.temporal.io/api v1.32.1/go.mod h1:DATVgu+KiAYVjFvOSXB9AVoYZT1yjGt6IPbb7bDw8Qs=
+go.temporal.io/api v1.32.1-cherry-pick-for-cli-tag h1:4dQtGBBa+VTubnrKgCBB7QwTb0l4omuB/J/C263i7HU=
+go.temporal.io/api v1.32.1-cherry-pick-for-cli-tag/go.mod h1:DATVgu+KiAYVjFvOSXB9AVoYZT1yjGt6IPbb7bDw8Qs=
 go.temporal.io/sdk v1.27.0 h1:C5oOE/IRyLcZaFoB13kEHsjvSHEnGcwT6bNys0HFFHk=
 go.temporal.io/sdk v1.27.0/go.mod h1:PnOq5f3dWuU2NAbY+yczXkIeycsIIdBtoCO62ZE0aak=
 go.temporal.io/server v1.24.1 h1:PfLwLNZKFPUFYXDpHvi7fqQC94VAHI3Ssn7bSqYzzCU=

temporalcli/commands.workflow_exec_test.go

@@ -646,3 +646,21 @@ func jsonPath(v any, path ...string) any {
 	}
 	return jsonPath(v, path[1:]...)
 }
+
+func (s *SharedServerSuite) TestWorkflow_Execute_NullValue() {
+	// Regression test: see https://github.com/temporalio/cli/pull/617
+	s.Worker().OnDevWorkflow(func(ctx workflow.Context, input any) (any, error) {
+		return map[string]any{"foo": nil}, nil
+	})
+	res := s.Execute(
+		"workflow", "execute",
+		"--address", s.Address(),
+		"--task-queue", s.Worker().Options.TaskQueue,
+		"--type", "DevWorkflow",
+		"--workflow-id", "my-id",
+	)
+	s.NoError(res.Err)
+	out := res.Stdout.String()
+	s.ContainsOnSameLine(out, "Status", "COMPLETED")
+	s.ContainsOnSameLine(out, "Result", `{"foo":null}`)
+}