feat: add optional GORM pool and SQL logging adapter

scripts/testdata/gormGenerated_test.go

@@ -0,0 +1,48 @@
+package main
+
+import (
+	"context"
+	"io"
+	"testing"
+	"time"
+
+	"example.com/mysqlAcceptance/internal/config"
+	"example.com/mysqlAcceptance/internal/svc"
+	"git.yuntuo.hk/k2safe/go-omni/logx"
+)
+
+func TestGeneratedOptionalGORM(t *testing.T) {
+	cfg, err := config.Load("etc/config.yaml")
+	if err != nil {
+		t.Fatal(err)
+	}
+	logger, err := logx.New(logx.Config{Writer: io.Discard})
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer logger.Close()
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	c, err := svc.New(ctx, logger, cfg)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer c.Close()
+	if c.ORM == nil {
+		t.Fatal("svc.Init did not provide GORM")
+	}
+	pool, err := c.ORM.DB()
+	if err != nil || pool != c.DB.DB {
+		t.Fatal("GORM created another pool", err)
+	}
+	var value int
+	if err = c.ORM.WithContext(ctx).Raw("SELECT ?", 42).Scan(&value).Error; err != nil || value != 42 {
+		t.Fatal(value, err)
+	}
+	if err = c.Finish(nil); err != nil {
+		t.Fatal(err)
+	}
+	if err = c.ORM.WithContext(ctx).Raw("SELECT 1").Scan(&value).Error; err == nil {
+		t.Fatal("ORM did not follow owner shutdown")
+	}
+}