add test for loading from registry for time modules

internal/module/test/time-interval_test.go

@@ -0,0 +1,35 @@
+package module_test
+
+import (
+	"testing"
+
+	"github.com/jwetzell/showbridge-go/internal/config"
+	"github.com/jwetzell/showbridge-go/internal/module"
+)
+
+func TestTimeIntervalFromRegistry(t *testing.T) {
+	registration, ok := module.ModuleRegistry["time.interval"]
+	if !ok {
+		t.Fatalf("time.interval module not registered")
+	}
+
+	moduleInstance, err := registration.New(config.ModuleConfig{
+		Id:   "test",
+		Type: "time.interval",
+		Params: map[string]any{
+			"duration": 1000.0,
+		},
+	})
+
+	if err != nil {
+		t.Fatalf("failed to create time.interval module: %s", err)
+	}
+
+	if moduleInstance.Id() != "test" {
+		t.Fatalf("time.interval module has wrong id: %s", moduleInstance.Id())
+	}
+
+	if moduleInstance.Type() != "time.interval" {
+		t.Fatalf("time.interval module has wrong type: %s", moduleInstance.Type())
+	}
+}