feat: 迁移 Admin Repository 到 MySQL 8 (#79)

admin/repository/syb_test.go

@@ -1,22 +1,63 @@
 package repository
 
 import (
+	"crypto/rand"
 	"database/sql"
+	"encoding/hex"
+	"os"
+	"strings"
 	"testing"
 
+	"cmautobuy/admin/config"
 	"cmautobuy/admin/model"
 )
 
 func newSybTestDB(t *testing.T) *sql.DB {
 	t.Helper()
-	db, err := Open(t.TempDir())
+	if os.Getenv("CMAUTOBUY_MYSQL_TEST") != "1" {
+		t.Skip("未启用真实 MySQL 8 集成测试")
+	}
+	cfg, err := config.LoadDatabaseFromEnv()
 	if err != nil {
-		t.Fatalf("打开测试库失败: %v", err)
+		t.Fatal(err)
 	}
-	t.Cleanup(func() { db.Close() })
-	if err := Migrate(db); err != nil {
-		t.Fatalf("迁移失败: %v", err)
+	if !strings.HasSuffix(cfg.Name, "_test") {
+		t.Fatalf("MySQL 测试基础库名必须以 _test 结尾")
 	}
+	adminDB, err := OpenMySQL(cfg)
+	if err != nil {
+		t.Fatal(err)
+	}
+	random := make([]byte, 8)
+	if _, err := rand.Read(random); err != nil {
+		t.Fatal(err)
+	}
+	databaseName := cfg.Name + "_" + hex.EncodeToString(random)
+	quotedName := "`" + strings.ReplaceAll(databaseName, "`", "``") + "`"
+	if _, err := adminDB.Exec("CREATE DATABASE " + quotedName + " CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci"); err != nil {
+		adminDB.Close()
+		t.Fatal(err)
+	}
+	cfg.Name = databaseName
+	db, err := OpenMySQL(cfg)
+	if err != nil {
+		adminDB.Exec("DROP DATABASE " + quotedName)
+		adminDB.Close()
+		t.Fatal(err)
+	}
+	if err := MigrateMySQL(db); err != nil {
+		db.Close()
+		adminDB.Exec("DROP DATABASE " + quotedName)
+		adminDB.Close()
+		t.Fatal(err)
+	}
+	t.Cleanup(func() {
+		db.Close()
+		if _, err := adminDB.Exec("DROP DATABASE " + quotedName); err != nil {
+			t.Errorf("清理隔离 MySQL 测试库失败: %v", err)
+		}
+		adminDB.Close()
+	})
 	return db
 }