diff --git a/internal/common/events_test.go b/internal/common/events_test.go
new file mode 100644
index 0000000..8ac5b4b
--- /dev/null
+++ b/internal/common/events_test.go
@@ -0,0 +1,24 @@
+package common_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/common"
+)
+
+func TestEventToJson(t *testing.T) {
+	e := common.Event{
+		Type: "test.event",
+		Data: map[string]any{
+			"key": "value",
+		},
+	}
+	jsonData, err := e.ToJSON()
+	if err != nil {
+		t.Fatalf("Failed to convert event to JSON: %v", err)
+	}
+	expectedJson := `{"type":"test.event","data":{"key":"value"}}`
+	if string(jsonData) != expectedJson {
+		t.Errorf("Expected JSON: %s, got: %s", expectedJson, string(jsonData))
+	}
+}