xfy
05a414d1bb
- purgeByPath/purgeByPattern 添加 nil server 检查 - 导出 PurgeByPathForTest/PurgeByPatternForTest 用于测试 - 添加 purge.go 全面单元测试覆盖 - 添加 cache purge 测试验证缓存清理功能 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
675 lines
16 KiB
Go
675 lines
16 KiB
Go
// Package server 提供缓存清理处理器功能的测试。
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//
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// 该文件测试 PurgeHandler 模块的各项功能，包括：
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// - 路径配置（默认和自定义）
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// - localhost 特殊处理和 CIDR 解析
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// - IP 白名单访问控制
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// - Token 认证
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// - 请求处理流程（POST/方法检查）
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// - 请求体解析
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// - sendError 方法
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// - purgeByPath/purgeByPattern 方法（nil server）
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//
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// 作者：xfy
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package server
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import (
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"net"
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"strings"
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"testing"
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"github.com/valyala/fasthttp"
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"rua.plus/lolly/internal/cache"
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"rua.plus/lolly/internal/config"
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)
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func TestPurgeHandler_Path(t *testing.T) {
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tests := []struct {
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name string
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cfgPath string
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wantPath string
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}{
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{
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name: "default path",
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cfgPath: "",
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wantPath: "/_cache/purge",
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},
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{
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name: "custom path",
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cfgPath: "/api/purge",
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wantPath: "/api/purge",
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},
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{
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name: "custom path with version prefix",
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cfgPath: "/api/v1/cache/purge",
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wantPath: "/api/v1/cache/purge",
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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 := &config.CacheAPIConfig{
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Path: tt.cfgPath,
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Allow: []string{},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if h.Path() != tt.wantPath {
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t.Errorf("expected path %s, got %s", tt.wantPath, h.Path())
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}
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})
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}
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}
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func TestPurgeHandler_NewPurgeHandler(t *testing.T) {
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t.Run("localhost special handling", func(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Allow: []string{"localhost"},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if len(h.allowed) != 2 {
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t.Fatalf("expected 2 allowed networks for localhost, got %d", len(h.allowed))
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}
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// 验证包含 127.0.0.1/32
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_, v4Net, _ := net.ParseCIDR("127.0.0.1/32")
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if v4Net == nil {
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t.Fatal("failed to parse 127.0.0.1/32")
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}
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foundV4 := false
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for _, n := range h.allowed {
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if n.String() == v4Net.String() {
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foundV4 = true
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break
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}
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}
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if !foundV4 {
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t.Error("expected 127.0.0.1/32 in allowed networks")
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}
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// 验证包含 ::1/128
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_, v6Net, _ := net.ParseCIDR("::1/128")
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if v6Net == nil {
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t.Fatal("failed to parse ::1/128")
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}
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foundV6 := false
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for _, n := range h.allowed {
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if n.String() == v6Net.String() {
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foundV6 = true
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break
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}
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}
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if !foundV6 {
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t.Error("expected ::1/128 in allowed networks")
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}
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})
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t.Run("CIDR parsing", func(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Allow: []string{"10.0.0.0/8", "172.16.0.0/12"},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if len(h.allowed) != 2 {
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t.Errorf("expected 2 allowed networks, got %d", len(h.allowed))
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}
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})
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t.Run("single IP parsed as CIDR", func(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Allow: []string{"192.168.1.100"},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if len(h.allowed) != 1 {
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t.Fatalf("expected 1 allowed network, got %d", len(h.allowed))
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}
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// 单 IP 应转换为 /32 CIDR
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if h.allowed[0].String() != "192.168.1.100/32" {
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t.Errorf("expected 192.168.1.100/32, got %s", h.allowed[0].String())
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}
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})
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t.Run("invalid IP returns error", func(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Allow: []string{"not-an-ip"},
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}
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_, err := NewPurgeHandler(nil, cfg)
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if err == nil {
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t.Error("expected error for invalid IP, got nil")
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}
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})
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}
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func TestPurgeHandler_checkAccess(t *testing.T) {
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tests := []struct {
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name string
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allow []string
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clientIP string
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wantAccess bool
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}{
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{
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name: "no allow list - open access",
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allow: []string{},
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clientIP: "1.2.3.4",
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wantAccess: true,
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},
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{
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name: "CIDR match",
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allow: []string{"192.168.0.0/16"},
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clientIP: "192.168.1.100",
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wantAccess: true,
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},
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{
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name: "CIDR no match",
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allow: []string{"10.0.0.0/8"},
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clientIP: "192.168.1.100",
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wantAccess: false,
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},
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{
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name: "single IP match",
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allow: []string{"127.0.0.1"},
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clientIP: "127.0.0.1",
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wantAccess: true,
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},
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{
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name: "single IP no match",
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allow: []string{"127.0.0.1"},
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clientIP: "127.0.0.2",
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wantAccess: false,
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},
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{
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name: "localhost allows 127.0.0.1",
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allow: []string{"localhost"},
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clientIP: "127.0.0.1",
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wantAccess: true,
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},
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{
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name: "localhost allows ::1",
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allow: []string{"localhost"},
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clientIP: "::1",
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wantAccess: true,
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},
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{
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name: "localhost denies other IP",
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allow: []string{"localhost"},
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clientIP: "10.0.0.1",
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wantAccess: false,
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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 := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Allow: tt.allow,
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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if len(h.allowed) == 0 {
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// 无白名单时应允许所有访问
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if !h.checkAccess(nil) {
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t.Error("expected access to be true when no allow list configured")
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}
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return
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}
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// 直接测试 IP 是否在 allowed 列表中
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ip := net.ParseIP(tt.clientIP)
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if ip == nil {
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t.Fatalf("failed to parse client IP: %s", tt.clientIP)
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}
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found := false
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for _, network := range h.allowed {
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if network.Contains(ip) {
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found = true
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break
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}
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}
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if found != tt.wantAccess {
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t.Errorf("expected access %v, got %v", tt.wantAccess, found)
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}
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})
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}
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}
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func TestPurgeHandler_checkAuth(t *testing.T) {
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t.Run("no auth configured", func(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Auth: config.CacheAPIAuthConfig{
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Type: "",
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Token: "",
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},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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ctx := &fasthttp.RequestCtx{}
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if !h.checkAuth(ctx) {
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t.Error("expected auth to pass when no auth configured")
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}
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})
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t.Run("auth type none", func(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Auth: config.CacheAPIAuthConfig{
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Type: "none",
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Token: "",
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},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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ctx := &fasthttp.RequestCtx{}
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if !h.checkAuth(ctx) {
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t.Error("expected auth to pass when type is none")
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}
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})
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t.Run("token auth - correct Bearer token", func(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Auth: config.CacheAPIAuthConfig{
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Type: "token",
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Token: "secret-token",
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},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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ctx := &fasthttp.RequestCtx{}
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ctx.Request.Header.Set("Authorization", "Bearer secret-token")
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if !h.checkAuth(ctx) {
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t.Error("expected auth to pass with correct Bearer token")
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}
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})
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t.Run("token auth - correct direct token", func(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Auth: config.CacheAPIAuthConfig{
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Type: "token",
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Token: "secret-token",
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},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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ctx := &fasthttp.RequestCtx{}
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ctx.Request.Header.Set("Authorization", "secret-token")
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if !h.checkAuth(ctx) {
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t.Error("expected auth to pass with correct direct token")
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}
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})
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t.Run("token auth - wrong token", func(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Auth: config.CacheAPIAuthConfig{
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Type: "token",
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Token: "secret-token",
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},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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ctx := &fasthttp.RequestCtx{}
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ctx.Request.Header.Set("Authorization", "Bearer wrong-token")
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if h.checkAuth(ctx) {
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t.Error("expected auth to fail with wrong token")
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}
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})
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t.Run("token auth - missing header", func(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Auth: config.CacheAPIAuthConfig{
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Type: "token",
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Token: "secret-token",
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},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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ctx := &fasthttp.RequestCtx{}
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if h.checkAuth(ctx) {
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t.Error("expected auth to fail when Authorization header is missing")
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}
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})
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t.Run("token auth - unknown type", func(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Auth: config.CacheAPIAuthConfig{
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Type: "basic",
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Token: "secret-token",
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},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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ctx := &fasthttp.RequestCtx{}
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ctx.Request.Header.Set("Authorization", "Bearer secret-token")
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if h.checkAuth(ctx) {
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t.Error("expected auth to fail for unknown auth type")
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}
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})
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}
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// TestPurgeHandler_ServeHTTP_MethodCheck 测试 ServeHTTP 的方法检查。
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func TestPurgeHandler_ServeHTTP_MethodCheck(t *testing.T) {
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methods := []string{"GET", "PUT", "DELETE", "PATCH", "HEAD", "OPTIONS"}
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for _, method := range methods {
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t.Run(method, func(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Allow: []string{},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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ctx := &fasthttp.RequestCtx{}
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ctx.Init(&fasthttp.Request{}, nil, nil)
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ctx.Request.Header.SetMethod(method)
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h.ServeHTTP(ctx)
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if ctx.Response.StatusCode() != fasthttp.StatusMethodNotAllowed {
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t.Errorf("expected status %d for method %s, got %d", fasthttp.StatusMethodNotAllowed, method, ctx.Response.StatusCode())
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}
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// 验证响应体包含错误信息
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if !strings.Contains(string(ctx.Response.Body()), "method not allowed") {
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t.Errorf("expected 'method not allowed' in response body, got: %s", string(ctx.Response.Body()))
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}
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})
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}
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}
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// TestPurgeHandler_ServeHTTP_RequestBodyParsing 测试请求体解析。
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func TestPurgeHandler_ServeHTTP_RequestBodyParsing(t *testing.T) {
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tests := []struct {
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name string
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body string
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wantStatus int
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}{
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{
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name: "invalid JSON",
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body: "{invalid json}",
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wantStatus: fasthttp.StatusBadRequest,
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},
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{
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name: "empty JSON",
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body: "{}",
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wantStatus: fasthttp.StatusBadRequest,
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},
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{
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name: "missing path and pattern",
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body: `{"method": "GET"}`,
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wantStatus: fasthttp.StatusBadRequest,
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},
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{
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name: "only path",
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body: `{"path": "/test"}`,
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wantStatus: fasthttp.StatusOK,
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},
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{
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name: "only pattern",
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body: `{"pattern": "/api/*"}`,
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wantStatus: fasthttp.StatusOK,
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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 := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Allow: []string{},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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ctx := &fasthttp.RequestCtx{}
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ctx.Init(&fasthttp.Request{}, nil, nil)
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ctx.Request.Header.SetMethod("POST")
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ctx.Request.SetBodyString(tt.body)
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h.ServeHTTP(ctx)
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if ctx.Response.StatusCode() != tt.wantStatus {
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t.Errorf("expected status %d, got %d", tt.wantStatus, ctx.Response.StatusCode())
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}
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})
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}
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}
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// TestPurgeHandler_PurgeResponse 测试 purge 响应格式。
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func TestPurgeHandler_PurgeResponse(t *testing.T) {
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cfg := &config.CacheAPIConfig{
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Path: "/_cache/purge",
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Allow: []string{},
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}
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h, err := NewPurgeHandler(nil, cfg)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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ctx := &fasthttp.RequestCtx{}
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ctx.Init(&fasthttp.Request{}, nil, nil)
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ctx.Request.Header.SetMethod("POST")
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ctx.Request.SetBodyString(`{"path": "/test"}`)
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h.ServeHTTP(ctx)
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// 验证响应
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if ctx.Response.StatusCode() != fasthttp.StatusOK {
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t.Errorf("expected status %d, got %d", fasthttp.StatusOK, ctx.Response.StatusCode())
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}
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// 验证响应体格式
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body := string(ctx.Response.Body())
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if !strings.Contains(body, `"deleted"`) {
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t.Errorf("expected 'deleted' field in response body, got: %s", body)
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}
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}
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// TestPurgeHandler_SendError 测试 sendError 方法的错误响应格式。
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func TestPurgeHandler_SendError(t *testing.T) {
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tests := []struct {
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name string
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status int
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errMsg string
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wantBody string
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}{
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{
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name: "bad request",
|
||
status: fasthttp.StatusBadRequest,
|
||
errMsg: "invalid request",
|
||
wantBody: `{"error":"invalid request"}`,
|
||
},
|
||
{
|
||
name: "forbidden",
|
||
status: fasthttp.StatusForbidden,
|
||
errMsg: "access denied",
|
||
wantBody: `{"error":"access denied"}`,
|
||
},
|
||
}
|
||
|
||
for _, tt := range tests {
|
||
t.Run(tt.name, func(t *testing.T) {
|
||
cfg := &config.CacheAPIConfig{
|
||
Path: "/_cache/purge",
|
||
Allow: []string{},
|
||
}
|
||
|
||
h, err := NewPurgeHandler(nil, cfg)
|
||
if err != nil {
|
||
t.Fatalf("unexpected error: %v", err)
|
||
}
|
||
|
||
ctx := &fasthttp.RequestCtx{}
|
||
ctx.Init(&fasthttp.Request{}, nil, nil)
|
||
|
||
h.sendError(ctx, tt.status, tt.errMsg)
|
||
|
||
if ctx.Response.StatusCode() != tt.status {
|
||
t.Errorf("expected status %d, got %d", tt.status, ctx.Response.StatusCode())
|
||
}
|
||
|
||
body := string(ctx.Response.Body())
|
||
if !strings.Contains(body, tt.errMsg) {
|
||
t.Errorf("expected '%s' in response body, got: %s", tt.errMsg, body)
|
||
}
|
||
|
||
// 验证内容类型
|
||
contentType := string(ctx.Response.Header.ContentType())
|
||
if contentType != "application/json; charset=utf-8" {
|
||
t.Errorf("expected content-type 'application/json; charset=utf-8', got: %s", contentType)
|
||
}
|
||
})
|
||
}
|
||
}
|
||
|
||
// TestPurgeHandler_PurgeByPath 测试 purgeByPath 方法（nil server）。
|
||
func TestPurgeHandler_PurgeByPath(t *testing.T) {
|
||
h, err := NewPurgeHandler(nil, &config.CacheAPIConfig{
|
||
Path: "/_cache/purge",
|
||
Allow: []string{},
|
||
})
|
||
if err != nil {
|
||
t.Fatalf("unexpected error: %v", err)
|
||
}
|
||
|
||
// 验证 nil server 时返回 0
|
||
deleted := h.PurgeByPathForTest("/test", "GET")
|
||
if deleted != 0 {
|
||
t.Errorf("expected 0 deletions for nil server, got %d", deleted)
|
||
}
|
||
}
|
||
|
||
// TestPurgeHandler_PurgeByPattern 测试 purgeByPattern 方法（nil server）。
|
||
func TestPurgeHandler_PurgeByPattern(t *testing.T) {
|
||
h, err := NewPurgeHandler(nil, &config.CacheAPIConfig{
|
||
Path: "/_cache/purge",
|
||
Allow: []string{},
|
||
})
|
||
if err != nil {
|
||
t.Fatalf("unexpected error: %v", err)
|
||
}
|
||
|
||
// 验证 nil server 时返回 0
|
||
deleted := h.PurgeByPatternForTest("/api/*", "GET")
|
||
if deleted != 0 {
|
||
t.Errorf("expected 0 deletions for nil server, got %d", deleted)
|
||
}
|
||
}
|
||
|
||
// TestPurgeHandler_CacheKeyWithMethod 测试带方法的缓存键。
|
||
func TestPurgeHandler_CacheKeyWithMethod(t *testing.T) {
|
||
tests := []struct {
|
||
path string
|
||
method string
|
||
}{
|
||
{"/test", "GET"},
|
||
{"/test", "POST"},
|
||
{"/api/users", "GET"},
|
||
{"/api/users", "DELETE"},
|
||
}
|
||
|
||
for _, tt := range tests {
|
||
t.Run(tt.path+"_"+tt.method, func(t *testing.T) {
|
||
key := cache.HashPathWithMethod(tt.path, tt.method)
|
||
if key == 0 {
|
||
t.Error("expected non-zero hash key")
|
||
}
|
||
|
||
// 同一路径和方法应该产生相同的键
|
||
key2 := cache.HashPathWithMethod(tt.path, tt.method)
|
||
if key != key2 {
|
||
t.Errorf("expected same key for same inputs, got %d and %d", key, key2)
|
||
}
|
||
|
||
// 同一路径不同方法应该产生不同的键
|
||
key3 := cache.HashPathWithMethod(tt.path, "OTHER")
|
||
if key == key3 {
|
||
t.Errorf("expected different key for different method, got %d and %d", key, key3)
|
||
}
|
||
})
|
||
}
|
||
}
|
||
|
||
// TestPurgeHandler_EmptyMethodDefaultsToGET 测试空方法默认为 GET。
|
||
func TestPurgeHandler_EmptyMethodDefaultsToGET(t *testing.T) {
|
||
key1 := cache.HashPathWithMethod("/test", "")
|
||
key2 := cache.HashPathWithMethod("/test", "GET")
|
||
|
||
if key1 != key2 {
|
||
t.Errorf("expected same key for empty and 'GET' method, got %d and %d", key1, key2)
|
||
}
|
||
}
|