Merge pull request #392 from ostafen/fix/workflow-interceptor

Call invoker if Workflow is nil

client/workflow/workflow.go

@@ -229,7 +229,7 @@ func Interceptor(ctx context.Context, method string, req, reply interface{}, cc
 	logger.Debugf("grpc client calling: %s%s %v", cc.Target(), method, dtmimp.MustMarshalString(req))
 	wf, _ := ctx.Value(wfMeta{}).(*Workflow)
 	if wf == nil {
-		return nil
+		return invoker(ctx, method, req, reply, cc, opts...)
 	}
 
 	origin := func() error {

test/workflow_interceptor_test.go

@@ -0,0 +1,19 @@
+package test
+
+import (
+	"context"
+	"testing"
+
+	"github.com/dtm-labs/dtm/client/workflow"
+	"github.com/stretchr/testify/assert"
+	"google.golang.org/grpc"
+)
+
+func TestWorkflowInterceptorOutsideSaga(t *testing.T) {
+	called := false
+	workflow.Interceptor(context.TODO(), "method", nil, nil, &grpc.ClientConn{}, func(ctx context.Context, method string, req, reply interface{}, cc *grpc.ClientConn, opts ...grpc.CallOption) error {
+		called = true
+		return nil
+	})
+	assert.True(t, called)
+}