feat: 按创建人隔离采集采购任务 (#127)

admin/repository/mysql_db_integration_test.go

@@ -286,6 +286,60 @@ func TestMySQLMigrate_V5形状错误不记版本(t *testing.T) {
 	}
 }
 
+func TestMySQLMigrate_V5升级V6且断点重跑(t *testing.T) {
+	db := openMySQLMigrationTestDB(t)
+	defer db.Close()
+	cleanMySQLTestSchema(t, db)
+	defer cleanMySQLTestSchema(t, db)
+	prepareMySQLV4(t, db)
+	if err := migrateMySQLV5(db); err != nil {
+		t.Fatal(err)
+	}
+	mustExec(t, db, `INSERT INTO schema_migrations(version,applied_at) VALUES (5,'2026-08-10T00:00:00Z')`)
+	now := "2026-08-10T00:00:00Z"
+	mustExec(t, db, `INSERT INTO tasks(task_id,task_type,status,pdd_goods_url,created_at,updated_at) VALUES('HISTORY','collect','pending','https://example.invalid',?,?)`, now, now)
+
+	// 模拟 DDL 已提交但版本号尚未写入，再启动必须能够收敛。
+	if err := migrateMySQLV6(db); err != nil {
+		t.Fatal(err)
+	}
+	if err := MigrateMySQL(db); err != nil {
+		t.Fatal(err)
+	}
+	if err := MigrateMySQL(db); err != nil {
+		t.Fatalf("v6 重跑失败: %v", err)
+	}
+	var versions int
+	if err := db.QueryRow(`SELECT COUNT(*) FROM schema_migrations WHERE version=6`).Scan(&versions); err != nil || versions != 1 {
+		t.Fatalf("v6=%d err=%v", versions, err)
+	}
+	var creator sql.NullString
+	if err := db.QueryRow(`SELECT created_by_user_id FROM tasks WHERE task_id='HISTORY'`).Scan(&creator); err != nil || creator.Valid {
+		t.Fatalf("存量任务应保持历史任务 NULL: creator=%+v err=%v", creator, err)
+	}
+}
+
+func TestMySQLMigrate_V6形状错误不记版本(t *testing.T) {
+	db := openMySQLMigrationTestDB(t)
+	defer db.Close()
+	cleanMySQLTestSchema(t, db)
+	defer cleanMySQLTestSchema(t, db)
+	prepareMySQLV4(t, db)
+	if err := migrateMySQLV5(db); err != nil {
+		t.Fatal(err)
+	}
+	mustExec(t, db, `INSERT INTO schema_migrations(version,applied_at) VALUES (5,'2026-08-10T00:00:00Z')`)
+	mustExec(t, db, `ALTER TABLE tasks ADD COLUMN created_by_user_id VARCHAR(32) NULL`)
+	if err := MigrateMySQL(db); err == nil {
+		t.Fatal("错误 created_by_user_id 形状必须阻止 v6")
+	}
+	var count int
+	db.QueryRow(`SELECT COUNT(*) FROM schema_migrations WHERE version=6`).Scan(&count)
+	if count != 0 {
+		t.Fatal("v6 自检失败不得记录版本")
+	}
+}
+
 func openMySQLMigrationTestDB(t *testing.T) *sql.DB {
 	t.Helper()
 	if os.Getenv("CMAUTOBUY_MYSQL_TEST") != "1" {