xuans
f260b221a9
保留并验证四个待提交源码文件：显式导出可写列以保留不可见列，跳过生成列并保留仅生成列表的行数；修复扫描越界，以实际结构元数据校验恢复结果。MySQL 5.7.44与8.0.45专项回归、后端常规测试、静态检查及模块校验通过；不代表完整生产验收。
107 lines
3.7 KiB
Go
107 lines
3.7 KiB
Go
package mysqltest
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import (
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"context"
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"io"
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"os"
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"os/exec"
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"path/filepath"
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"runtime"
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"strings"
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"testing"
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"time"
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"github.com/go-sql-driver/mysql"
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"git.pcux.cn/xuans/Scert/backend/internal/config"
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)
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// 官方工具仅连接本夹具创建的隔离实例，密码只传入子进程环境，不进入命令行或文件。
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func (f *Server) Dump(t *testing.T, cfg config.DatabaseConfig, output string) {
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t.Helper()
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file, err := os.OpenFile(output, os.O_CREATE|os.O_EXCL|os.O_WRONLY, 0o600)
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if err != nil {
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t.Fatal(err)
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}
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defer file.Close()
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f.runTool(t, "mysqldump", cfg, []string{
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"--single-transaction", "--no-tablespaces", "--set-gtid-purged=OFF",
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"--skip-add-locks", "--hex-blob", "--complete-insert", "--skip-comments", "--skip-extended-insert",
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}, nil, file)
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if err := file.Close(); err != nil {
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t.Fatal(err)
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}
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}
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func (f *Server) Import(t *testing.T, cfg config.DatabaseConfig, input string) {
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t.Helper()
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file, err := os.Open(input)
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if err != nil {
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t.Fatal(err)
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}
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defer file.Close()
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f.runTool(t, "mysql", cfg, []string{
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"--binary-mode", "--batch", "--skip-reconnect", "--local-infile=0",
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}, file, io.Discard)
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}
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func (f *Server) IsMySQL8() bool { return strings.Contains(f.version, "Ver 8.0.") }
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func (f *Server) runTool(t *testing.T, name string, cfg config.DatabaseConfig, args []string, input io.Reader, output io.Writer) {
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t.Helper()
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parsed, err := mysql.ParseDSN(cfg.DSN)
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if err != nil || cfg.Driver != "mysql" {
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t.Fatal("官方工具测试连接无效")
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}
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if parsed.Net != "tcp" || parsed.Addr != "127.0.0.1:"+f.port || parsed.TLSConfig != f.tlsName ||
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parsed.Passwd != f.password || !strings.HasPrefix(parsed.DBName, "scert_test_") || !strings.HasPrefix(parsed.User, "scert_user_") {
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t.Fatal("官方工具只允许连接本次隔离实例的测试数据库")
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}
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binary := filepath.Join(filepath.Dir(f.binary), name)
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if runtime.GOOS == "windows" {
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binary += ".exe"
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}
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ctx, cancel := context.WithTimeout(t.Context(), 30*time.Second)
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defer cancel()
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version, err := exec.CommandContext(ctx, binary, "--no-defaults", "--version").Output()
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if err != nil {
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t.Fatal("无法读取官方工具版本，不能跳过互操作验证")
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}
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expected := "5.7."
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if f.IsMySQL8() {
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expected = "8.0."
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}
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if !strings.Contains(string(version), expected) {
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t.Fatal("官方工具与本次测试服务端版本系列不一致")
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}
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t.Logf("官方工具：%s", strings.TrimSpace(string(version)))
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base := []string{
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"--no-defaults", "--protocol=TCP", "--host=127.0.0.1", "--port=" + f.port,
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"--user=" + parsed.User, "--ssl-mode=VERIFY_IDENTITY", "--ssl-ca=" + filepath.Join(f.root, "server.crt"),
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"--default-character-set=utf8mb4",
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}
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command := exec.CommandContext(ctx, binary, append(append(base, args...), parsed.DBName)...)
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command.Env = mysqlToolTestEnvironment(f.root, parsed.Passwd)
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command.Stdin, command.Stdout = input, output
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// 错误可能含数据库内容；只报告退出状态，不透传工具的原始错误输出。
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command.Stderr = io.Discard
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command.WaitDelay = 2 * time.Second
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if err := command.Run(); err != nil {
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t.Fatalf("官方 %s 执行失败：%v；原始输出已隐藏", name, err)
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}
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}
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func mysqlToolTestEnvironment(root, password string) []string {
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env := make([]string, 0, len(os.Environ())+4)
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for _, entry := range os.Environ() {
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key, _, _ := strings.Cut(entry, "=")
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key = strings.ToUpper(key)
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if strings.HasPrefix(key, "MYSQL") || key == "LANG" || key == "LC_ALL" {
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continue
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}
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env = append(env, entry)
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}
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// --no-defaults 仍可能读取登录文件；指定隔离目录中不存在的文件，避免读取用户凭据。
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return append(env, "MYSQL_PWD="+password, "MYSQL_TEST_LOGIN_FILE="+filepath.Join(root, "no-login.cnf"), "LANG=C", "LC_ALL=C")
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}
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