snapshot of https://github.com/ThreeDotsLabs/watermill.git (master, 2026-09-15; blobs > 131072B omitted)

components/cqrs/marshaler_json_test.go

@@ -0,0 +1,56 @@
+package cqrs_test
+
+import (
+	"testing"
+	"time"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/ThreeDotsLabs/watermill"
+	"github.com/ThreeDotsLabs/watermill/components/cqrs"
+)
+
+var jsonEventToMarshal = TestEvent{
+	ID:   watermill.NewULID(),
+	When: time.Date(2016, time.August, 15, 14, 13, 12, 0, time.UTC),
+}
+
+func TestJsonMarshaler(t *testing.T) {
+	marshaler := cqrs.JSONMarshaler{}
+
+	msg, err := marshaler.Marshal(jsonEventToMarshal)
+	require.NoError(t, err)
+
+	eventToUnmarshal := TestEvent{}
+	err = marshaler.Unmarshal(msg, &eventToUnmarshal)
+	require.NoError(t, err)
+
+	assert.EqualValues(t, jsonEventToMarshal, eventToUnmarshal)
+}
+
+func TestJSONMarshaler_Marshal_new_uuid_set(t *testing.T) {
+	marshaler := cqrs.JSONMarshaler{
+		NewUUID: func() string {
+			return "foo"
+		},
+	}
+
+	msg, err := marshaler.Marshal(jsonEventToMarshal)
+	require.NoError(t, err)
+
+	assert.Equal(t, msg.UUID, "foo")
+}
+
+func TestJSONMarshaler_Marshal_generate_name(t *testing.T) {
+	marshaler := cqrs.JSONMarshaler{
+		GenerateName: func(v interface{}) string {
+			return "foo"
+		},
+	}
+
+	msg, err := marshaler.Marshal(jsonEventToMarshal)
+	require.NoError(t, err)
+
+	assert.Equal(t, msg.Metadata.Get("name"), "foo")
+}