xfy
2e9ddc7400
Support loading config fragments from external files via include directive. Servers and streams are appended, variables merged with main config priority. Includes glob expansion, nested includes (depth limit 10), and circular include detection.
689 lines
16 KiB
Go
689 lines
16 KiB
Go
// Package config 提供配置加载和管理的测试。
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package config
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import (
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"os"
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"path/filepath"
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"testing"
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)
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// TestLoad 测试从文件加载配置。
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func TestLoad(t *testing.T) {
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t.Run("有效配置文件", func(t *testing.T) {
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// 创建临时配置文件
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content := `
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servers:
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- listen: ":8080"
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static:
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- path: "/"
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root: "/var/www"
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index:
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- "index.html"
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logging:
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access:
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path: "/var/log/access.log"
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format: "combined"
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error:
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path: "/var/log/error.log"
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level: "info"
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performance:
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goroutine_pool:
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enabled: true
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max_workers: 100
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file_cache:
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max_entries: 1000
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monitoring:
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status:
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path: "/status"
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`
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tmpDir := t.TempDir()
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tmpFile := filepath.Join(tmpDir, "config.yaml")
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if err := os.WriteFile(tmpFile, []byte(content), 0o644); err != nil {
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t.Fatalf("创建临时配置文件失败: %v", err)
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}
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cfg, err := Load(tmpFile)
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if err != nil {
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t.Fatalf("Load() 失败: %v", err)
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}
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if cfg.Servers[0].Listen != ":8080" {
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t.Errorf("Servers[0].Listen = %q, want %q", cfg.Servers[0].Listen, ":8080")
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}
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if cfg.Servers[0].Static[0].Root != "/var/www" {
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t.Errorf("Servers[0].Static.Root = %q, want %q", cfg.Servers[0].Static[0].Root, "/var/www")
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}
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if len(cfg.Servers[0].Static[0].Index) != 1 || cfg.Servers[0].Static[0].Index[0] != "index.html" {
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t.Errorf("Servers[0].Static.Index = %v, want [index.html]", cfg.Servers[0].Static[0].Index)
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}
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})
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t.Run("文件不存在", func(t *testing.T) {
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_, err := Load("/nonexistent/path/config.yaml")
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if err == nil {
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t.Error("Load() 期望返回错误，但返回 nil")
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}
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})
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t.Run("无效YAML", func(t *testing.T) {
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content := `
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server:
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listen: ":8080"
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static:
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root: [invalid yaml structure
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`
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tmpDir := t.TempDir()
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tmpFile := filepath.Join(tmpDir, "invalid.yaml")
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if err := os.WriteFile(tmpFile, []byte(content), 0o644); err != nil {
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t.Fatalf("创建临时配置文件失败: %v", err)
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}
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_, err := Load(tmpFile)
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if err == nil {
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t.Error("Load() 期望返回错误，但返回 nil")
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}
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})
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t.Run("缺少必填字段（无服务器配置）", func(t *testing.T) {
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content := `
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logging:
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access:
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path: "/var/log/access.log"
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`
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tmpDir := t.TempDir()
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tmpFile := filepath.Join(tmpDir, "no_server.yaml")
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if err := os.WriteFile(tmpFile, []byte(content), 0o644); err != nil {
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t.Fatalf("创建临时配置文件失败: %v", err)
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}
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_, err := Load(tmpFile)
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if err == nil {
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t.Error("Load() 期望返回错误，但返回 nil")
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}
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})
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t.Run("多虚拟主机模式", func(t *testing.T) {
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content := `
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servers:
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- listen: ":8080"
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name: "server1"
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- listen: ":8081"
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name: "server2"
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`
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tmpDir := t.TempDir()
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tmpFile := filepath.Join(tmpDir, "multi.yaml")
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if err := os.WriteFile(tmpFile, []byte(content), 0o644); err != nil {
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t.Fatalf("创建临时配置文件失败: %v", err)
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}
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cfg, err := Load(tmpFile)
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if err != nil {
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t.Fatalf("Load() 失败: %v", err)
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}
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if len(cfg.Servers) != 2 {
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t.Fatalf("len(Servers) = %d, want 2", len(cfg.Servers))
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}
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if cfg.Servers[0].Name != "server1" {
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t.Errorf("Servers[0].Name = %q, want %q", cfg.Servers[0].Name, "server1")
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}
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if cfg.Servers[1].Name != "server2" {
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t.Errorf("Servers[1].Name = %q, want %q", cfg.Servers[1].Name, "server2")
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}
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})
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}
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// TestLoadFromString 测试从字符串加载配置。
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func TestLoadFromString(t *testing.T) {
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t.Run("有效字符串", func(t *testing.T) {
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yamlStr := `
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servers:
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- listen: ":9090"
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static:
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- path: "/"
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root: "/app/public"
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`
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cfg, err := LoadFromString(yamlStr)
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if err != nil {
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t.Fatalf("LoadFromString() 失败: %v", err)
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}
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if cfg.Servers[0].Listen != ":9090" {
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t.Errorf("Servers[0].Listen = %q, want %q", cfg.Servers[0].Listen, ":9090")
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}
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if cfg.Servers[0].Static[0].Root != "/app/public" {
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t.Errorf("Servers[0].Static.Root = %q, want %q", cfg.Servers[0].Static[0].Root, "/app/public")
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}
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})
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t.Run("无效YAML", func(t *testing.T) {
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yamlStr := `
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servers:
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- listen: ":8080"
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broken: [unclosed
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`
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_, err := LoadFromString(yamlStr)
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if err == nil {
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t.Error("LoadFromString() 期望返回错误，但返回 nil")
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}
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})
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t.Run("缺少必填字段", func(t *testing.T) {
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yamlStr := `
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logging:
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access:
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path: "/var/log/access.log"
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`
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_, err := LoadFromString(yamlStr)
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if err == nil {
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t.Error("LoadFromString() 期望返回错误，但返回 nil")
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}
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})
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t.Run("空字符串", func(t *testing.T) {
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_, err := LoadFromString("")
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if err == nil {
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t.Error("LoadFromString() 期望返回错误，但返回 nil")
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}
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})
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}
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// TestSave 测试保存配置到文件。
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func TestSave(t *testing.T) {
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t.Run("正常保存", func(t *testing.T) {
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cfg := &Config{
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Servers: []ServerConfig{{
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Listen: ":8080",
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Static: []StaticConfig{{
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Path: "/",
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Root: "/var/www",
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Index: []string{"index.html"},
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}},
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}},
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}
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tmpDir := t.TempDir()
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tmpFile := filepath.Join(tmpDir, "saved_config.yaml")
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if err := Save(cfg, tmpFile); err != nil {
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t.Fatalf("Save() 失败: %v", err)
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}
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// 验证文件已创建并可重新加载
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loaded, err := Load(tmpFile)
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if err != nil {
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t.Fatalf("重新加载配置失败: %v", err)
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}
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if loaded.Servers[0].Listen != cfg.Servers[0].Listen {
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t.Errorf("loaded.Servers[0].Listen = %q, want %q", loaded.Servers[0].Listen, cfg.Servers[0].Listen)
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}
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if loaded.Servers[0].Static[0].Root != cfg.Servers[0].Static[0].Root {
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t.Errorf("loaded.Servers[0].Static[0].Root = %q, want %q", loaded.Servers[0].Static[0].Root, cfg.Servers[0].Static[0].Root)
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}
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})
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t.Run("无效路径", func(t *testing.T) {
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cfg := &Config{
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Servers: []ServerConfig{{
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Listen: ":8080",
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}},
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}
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err := Save(cfg, "/nonexistent/directory/config.yaml")
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if err == nil {
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t.Error("Save() 期望返回错误，但返回 nil")
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}
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})
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t.Run("保存多虚拟主机配置", func(t *testing.T) {
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cfg := &Config{
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Servers: []ServerConfig{
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{Listen: ":8080", Name: "server1"},
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{Listen: ":8081", Name: "server2"},
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},
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}
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tmpDir := t.TempDir()
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tmpFile := filepath.Join(tmpDir, "multi.yaml")
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if err := Save(cfg, tmpFile); err != nil {
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t.Fatalf("Save() 失败: %v", err)
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}
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loaded, err := Load(tmpFile)
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if err != nil {
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t.Fatalf("重新加载配置失败: %v", err)
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}
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if len(loaded.Servers) != 2 {
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t.Errorf("len(loaded.Servers) = %d, want 2", len(loaded.Servers))
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}
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})
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t.Run("保存并加载完整配置", func(t *testing.T) {
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cfg := &Config{
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Servers: []ServerConfig{{
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Listen: ":8443",
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Name: "default",
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Static: []StaticConfig{{
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Path: "/",
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Root: "/var/www/html",
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Index: []string{"index.html", "index.htm"},
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}},
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Proxy: []ProxyConfig{
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{
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Path: "/api",
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Targets: []ProxyTarget{
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{URL: "http://backend1:8080", Weight: 1},
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{URL: "http://backend2:8080", Weight: 2},
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},
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LoadBalance: "round_robin",
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},
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},
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SSL: SSLConfig{
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Cert: "/etc/ssl/cert.pem",
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Key: "/etc/ssl/key.pem",
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Protocols: []string{"TLSv1.2", "TLSv1.3"},
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},
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Security: SecurityConfig{
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RateLimit: RateLimitConfig{
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RequestRate: 100,
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Burst: 200,
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},
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},
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}},
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Logging: LoggingConfig{
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Access: AccessLogConfig{
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Path: "/var/log/access.log",
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Format: "combined",
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},
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Error: ErrorLogConfig{
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Path: "/var/log/error.log",
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Level: "warn",
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},
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},
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Performance: PerformanceConfig{
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GoroutinePool: GoroutinePoolConfig{
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Enabled: true,
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MaxWorkers: 1000,
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MinWorkers: 10,
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},
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},
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}
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tmpDir := t.TempDir()
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tmpFile := filepath.Join(tmpDir, "full.yaml")
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if err := Save(cfg, tmpFile); err != nil {
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t.Fatalf("Save() 失败: %v", err)
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}
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loaded, err := Load(tmpFile)
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if err != nil {
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t.Fatalf("重新加载配置失败: %v", err)
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}
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// 验证关键字段
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if loaded.Servers[0].Listen != cfg.Servers[0].Listen {
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t.Errorf("loaded.Servers[0].Listen = %q, want %q", loaded.Servers[0].Listen, cfg.Servers[0].Listen)
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}
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if len(loaded.Servers[0].Proxy) != 1 {
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t.Errorf("len(loaded.Servers[0].Proxy) = %d, want 1", len(loaded.Servers[0].Proxy))
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}
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if loaded.Servers[0].Proxy[0].LoadBalance != "round_robin" {
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t.Errorf("loaded.Servers[0].Proxy[0].LoadBalance = %q, want %q", loaded.Servers[0].Proxy[0].LoadBalance, "round_robin")
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}
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})
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}
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// TestConfigMethods 测试 Config 结构体的方法。
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func TestConfigMethods(t *testing.T) {
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t.Run("HasServers_有服务器列表", func(t *testing.T) {
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cfg := &Config{
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Servers: []ServerConfig{
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{Listen: ":8080"},
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},
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}
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if !cfg.HasServers() {
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t.Error("HasServers() = false, want true")
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}
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})
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t.Run("HasServers_无服务器列表", func(t *testing.T) {
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cfg := &Config{}
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if cfg.HasServers() {
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t.Error("HasServers() = true, want false")
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}
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})
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t.Run("GetDefaultServerFromList_有默认服务器", func(t *testing.T) {
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cfg := &Config{
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Servers: []ServerConfig{
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{Listen: ":8080", Name: "api"},
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{Listen: ":8081", Name: "default", Default: true},
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},
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}
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server := cfg.GetDefaultServerFromList()
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if server == nil {
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t.Fatal("GetDefaultServerFromList() = nil, want non-nil")
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}
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if server.Listen != ":8081" {
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t.Errorf("server.Listen = %q, want %q", server.Listen, ":8081")
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}
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})
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t.Run("GetDefaultServerFromList_无默认服务器", func(t *testing.T) {
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cfg := &Config{
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Servers: []ServerConfig{
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{Listen: ":8080", Name: "api"},
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},
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}
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server := cfg.GetDefaultServerFromList()
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if server != nil {
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t.Errorf("GetDefaultServerFromList() = %v, want nil", server)
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}
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})
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t.Run("配置模式判断", func(t *testing.T) {
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tests := []struct {
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cfg *Config
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name string
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wantHasServers bool
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}{
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{
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name: "仅多虚拟主机",
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cfg: &Config{Servers: []ServerConfig{{Listen: ":8080"}}},
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wantHasServers: true,
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},
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{
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name: "混合模式",
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cfg: &Config{
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Servers: []ServerConfig{{Listen: ":8081"}},
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},
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wantHasServers: true,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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if got := tt.cfg.HasServers(); got != tt.wantHasServers {
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t.Errorf("HasServers() = %v, want %v", got, tt.wantHasServers)
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}
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})
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}
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})
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}
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func TestProxyBufferingConfig_ParseBuffers(t *testing.T) {
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tests := []struct {
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name string
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buffers string
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bufferSize int
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wantCount int
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wantSizeEach int
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}{
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{
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name: "empty uses buffer_size",
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buffers: "",
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bufferSize: 4096,
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wantCount: 1,
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wantSizeEach: 4096,
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},
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{
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name: "8 16k format",
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buffers: "8 16k",
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wantCount: 8,
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wantSizeEach: 16 * 1024,
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},
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{
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name: "4 4k format",
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buffers: "4 4k",
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wantCount: 4,
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wantSizeEach: 4 * 1024,
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},
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{
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name: "2 1m format",
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buffers: "2 1m",
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wantCount: 2,
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wantSizeEach: 1024 * 1024,
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},
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{
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name: "bytes without unit",
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buffers: "4 8192",
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wantCount: 4,
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wantSizeEach: 8192,
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},
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{
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name: "uppercase K",
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buffers: "8 16K",
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wantCount: 8,
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wantSizeEach: 16 * 1024,
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},
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{
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name: "invalid format",
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buffers: "invalid",
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wantCount: 0,
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wantSizeEach: 0,
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},
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{
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name: "missing size",
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buffers: "8",
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wantCount: 0,
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wantSizeEach: 0,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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cfg := &ProxyBufferingConfig{
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Buffers: tt.buffers,
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BufferSize: tt.bufferSize,
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}
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cfg.ParseBuffers()
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if cfg.BufferCount != tt.wantCount {
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t.Errorf("BufferCount = %d, want %d", cfg.BufferCount, tt.wantCount)
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}
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if cfg.BufferSizeEach != tt.wantSizeEach {
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t.Errorf("BufferSizeEach = %d, want %d", cfg.BufferSizeEach, tt.wantSizeEach)
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}
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})
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}
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}
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func TestLoad_Include(t *testing.T) {
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t.Run("append servers from include", func(t *testing.T) {
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tmpDir := t.TempDir()
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mainCfg := `
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servers:
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- listen: ":8080"
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name: main
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include:
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- path: "conf.d/*.yaml"
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`
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incCfg := `
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servers:
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- listen: ":9090"
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name: included
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`
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confDir := filepath.Join(tmpDir, "conf.d")
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if err := os.MkdirAll(confDir, 0o755); err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(filepath.Join(tmpDir, "config.yaml"), []byte(mainCfg), 0o644); err != nil {
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t.Fatal(err)
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}
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if err := os.WriteFile(filepath.Join(confDir, "extra.yaml"), []byte(incCfg), 0o644); err != nil {
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t.Fatal(err)
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}
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|
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cfg, err := Load(filepath.Join(tmpDir, "config.yaml"))
|
|
if err != nil {
|
|
t.Fatalf("Load() failed: %v", err)
|
|
}
|
|
|
|
if len(cfg.Servers) != 2 {
|
|
t.Fatalf("expected 2 servers, got %d", len(cfg.Servers))
|
|
}
|
|
if cfg.Servers[0].Name != "main" {
|
|
t.Errorf("Servers[0].Name = %q, want %q", cfg.Servers[0].Name, "main")
|
|
}
|
|
if cfg.Servers[1].Name != "included" {
|
|
t.Errorf("Servers[1].Name = %q, want %q", cfg.Servers[1].Name, "included")
|
|
}
|
|
})
|
|
|
|
t.Run("merge variables with main priority", func(t *testing.T) {
|
|
tmpDir := t.TempDir()
|
|
|
|
mainCfg := `
|
|
servers:
|
|
- listen: ":8080"
|
|
variables:
|
|
set:
|
|
app: lolly
|
|
env: production
|
|
include:
|
|
- path: "extra.yaml"
|
|
`
|
|
incCfg := `
|
|
servers:
|
|
- listen: ":9090"
|
|
variables:
|
|
set:
|
|
app: other
|
|
debug: "true"
|
|
`
|
|
if err := os.WriteFile(filepath.Join(tmpDir, "config.yaml"), []byte(mainCfg), 0o644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := os.WriteFile(filepath.Join(tmpDir, "extra.yaml"), []byte(incCfg), 0o644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
cfg, err := Load(filepath.Join(tmpDir, "config.yaml"))
|
|
if err != nil {
|
|
t.Fatalf("Load() failed: %v", err)
|
|
}
|
|
|
|
if cfg.Variables.Set["app"] != "lolly" {
|
|
t.Errorf("app = %q, want %q (main should win)", cfg.Variables.Set["app"], "lolly")
|
|
}
|
|
if cfg.Variables.Set["debug"] != "true" {
|
|
t.Errorf("debug = %q, want %q (included should fill missing)", cfg.Variables.Set["debug"], "true")
|
|
}
|
|
if cfg.Variables.Set["env"] != "production" {
|
|
t.Errorf("env = %q, want %q", cfg.Variables.Set["env"], "production")
|
|
}
|
|
})
|
|
|
|
t.Run("no matches returns error", func(t *testing.T) {
|
|
tmpDir := t.TempDir()
|
|
|
|
mainCfg := `
|
|
servers:
|
|
- listen: ":8080"
|
|
include:
|
|
- path: "nonexistent/*.yaml"
|
|
`
|
|
if err := os.WriteFile(filepath.Join(tmpDir, "config.yaml"), []byte(mainCfg), 0o644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err := Load(filepath.Join(tmpDir, "config.yaml"))
|
|
if err == nil {
|
|
t.Error("expected error for non-matching glob pattern")
|
|
}
|
|
})
|
|
|
|
t.Run("circular include detected", func(t *testing.T) {
|
|
tmpDir := t.TempDir()
|
|
|
|
cfg1 := `
|
|
servers:
|
|
- listen: ":8080"
|
|
include:
|
|
- path: "b.yaml"
|
|
`
|
|
cfg2 := `
|
|
servers:
|
|
- listen: ":9090"
|
|
include:
|
|
- path: "a.yaml"
|
|
`
|
|
if err := os.WriteFile(filepath.Join(tmpDir, "a.yaml"), []byte(cfg1), 0o644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := os.WriteFile(filepath.Join(tmpDir, "b.yaml"), []byte(cfg2), 0o644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
_, err := Load(filepath.Join(tmpDir, "a.yaml"))
|
|
if err == nil {
|
|
t.Error("expected error for circular include")
|
|
}
|
|
})
|
|
|
|
t.Run("empty include list is no-op", func(t *testing.T) {
|
|
tmpDir := t.TempDir()
|
|
|
|
mainCfg := `
|
|
servers:
|
|
- listen: ":8080"
|
|
`
|
|
if err := os.WriteFile(filepath.Join(tmpDir, "config.yaml"), []byte(mainCfg), 0o644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
cfg, err := Load(filepath.Join(tmpDir, "config.yaml"))
|
|
if err != nil {
|
|
t.Fatalf("Load() failed: %v", err)
|
|
}
|
|
if len(cfg.Servers) != 1 {
|
|
t.Errorf("expected 1 server, got %d", len(cfg.Servers))
|
|
}
|
|
})
|
|
|
|
t.Run("append stream from include", func(t *testing.T) {
|
|
tmpDir := t.TempDir()
|
|
|
|
mainCfg := `
|
|
servers:
|
|
- listen: ":8080"
|
|
stream:
|
|
- listen: ":5432"
|
|
protocol: tcp
|
|
upstream:
|
|
targets:
|
|
- addr: "127.0.0.1:9000"
|
|
include:
|
|
- path: "stream.yaml"
|
|
`
|
|
incCfg := `
|
|
stream:
|
|
- listen: ":5433"
|
|
protocol: udp
|
|
upstream:
|
|
targets:
|
|
- addr: "127.0.0.1:9001"
|
|
`
|
|
if err := os.WriteFile(filepath.Join(tmpDir, "config.yaml"), []byte(mainCfg), 0o644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if err := os.WriteFile(filepath.Join(tmpDir, "stream.yaml"), []byte(incCfg), 0o644); err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
|
|
cfg, err := Load(filepath.Join(tmpDir, "config.yaml"))
|
|
if err != nil {
|
|
t.Fatalf("Load() failed: %v", err)
|
|
}
|
|
|
|
if len(cfg.Stream) != 2 {
|
|
t.Fatalf("expected 2 streams, got %d", len(cfg.Stream))
|
|
}
|
|
})
|
|
}
|