xfy
9cbc380de5
http3: - Adapter 添加 ctxPool 复用 RequestCtx - resetContext 方法重置状态避免污染 compression: - 大响应(>64KB)使用 SetBodyStreamWriter 流式压缩 - 消除 compressed buffer 分配，降低内存峰值 - 新增 streamGzip/streamBrotli 流式方法 - 添加流式压缩测试验证功能正确性 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
478 lines
11 KiB
Go
478 lines
11 KiB
Go
// Package compression 提供压缩功能的测试。
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//
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// 该文件测试压缩中间件模块的各项功能，包括：
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// - 压缩中间件创建
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// - gzip 和 brotli 压缩
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// - 可压缩类型检查
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// - 压缩级别配置
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// - 响应处理
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//
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// 作者：xfy
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package compression
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import (
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"bytes"
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"io"
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"testing"
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"github.com/andybalholm/brotli"
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"github.com/klauspost/compress/gzip"
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"github.com/valyala/fasthttp"
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"rua.plus/lolly/internal/config"
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)
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func TestNew(t *testing.T) {
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tests := []struct {
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cfg *config.CompressionConfig
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name string
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}{
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{
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name: "nil config uses defaults",
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cfg: nil,
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},
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{
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name: "gzip config",
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cfg: &config.CompressionConfig{
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Type: "gzip",
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Level: 6,
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},
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},
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{
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name: "brotli config",
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cfg: &config.CompressionConfig{
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Type: "brotli",
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Level: 4,
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},
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},
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{
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name: "both config",
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cfg: &config.CompressionConfig{
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Type: "both",
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Level: 6,
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},
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},
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{
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name: "custom types",
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cfg: &config.CompressionConfig{
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Type: "gzip",
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Types: []string{"text/html", "application/json"},
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},
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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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m, err := New(tt.cfg)
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if err != nil {
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t.Errorf("New() error: %v", err)
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}
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if m == nil {
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t.Error("Expected non-nil middleware")
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}
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})
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}
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}
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func TestDefaultCompressibleTypes(t *testing.T) {
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types := defaultCompressibleTypes()
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if len(types) == 0 {
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t.Error("Expected non-empty default types")
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}
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// 检查关键类型
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expected := []string{"text/html", "text/css", "application/json"}
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for _, e := range expected {
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found := false
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for _, t := range types {
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if t == e {
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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 {
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t.Errorf("Expected type %s in default list", e)
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}
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}
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}
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func TestIsCompressible(t *testing.T) {
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m, _ := New(&config.CompressionConfig{
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Types: []string{"text/html", "text/*", "application/json"},
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})
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tests := []struct {
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contentType string
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expected bool
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}{
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{"text/html", true},
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{"text/html; charset=utf-8", true},
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{"text/css", true},
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{"text/plain", true},
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{"application/json", true},
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{"application/json; charset=utf-8", true},
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{"image/png", false},
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{"application/octet-stream", false},
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{"", false},
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}
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for _, tt := range tests {
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t.Run(tt.contentType, func(t *testing.T) {
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result := m.isCompressible(tt.contentType)
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if result != tt.expected {
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t.Errorf("isCompressible(%s) = %v, expected %v", tt.contentType, result, tt.expected)
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}
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})
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}
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}
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func TestCompressGzip(t *testing.T) {
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m, _ := New(&config.CompressionConfig{
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Type: "gzip",
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Level: 6,
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})
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// 测试数据
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data := []byte("Hello, World! This is a test string that should be compressed.")
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compressed := m.compressGzip(data)
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if len(compressed) == 0 {
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t.Error("Expected compressed data")
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}
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// 压缩后应该更小（对于重复文本）
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if len(compressed) >= len(data) {
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t.Logf("Warning: compressed size %d >= original %d", len(compressed), len(data))
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}
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}
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func TestCompressBrotli(t *testing.T) {
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m, _ := New(&config.CompressionConfig{
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Type: "brotli",
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Level: 4,
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})
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data := []byte("Hello, World! This is a test string that should be compressed with brotli.")
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compressed := m.compressBrotli(data)
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if len(compressed) == 0 {
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t.Error("Expected compressed data")
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}
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}
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func TestProcessNoCompression(t *testing.T) {
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m, _ := New(&config.CompressionConfig{
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Type: "gzip",
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MinSize: 1000, // 大阈值
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})
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nextHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.Response.Header.Set("Content-Type", "text/html")
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_, _ = ctx.WriteString("Short response")
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}
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handler := m.Process(nextHandler)
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ctx := &fasthttp.RequestCtx{}
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ctx.Request.Header.Set("Accept-Encoding", "gzip")
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handler(ctx)
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// 响应太短，不应压缩
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encoding := ctx.Response.Header.Peek("Content-Encoding")
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if string(encoding) != "" {
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t.Errorf("Expected no Content-Encoding, got %s", encoding)
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}
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body := string(ctx.Response.Body())
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if body != "Short response" {
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t.Errorf("Expected 'Short response', got %s", body)
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}
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}
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func TestProcessWithGzip(t *testing.T) {
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m, _ := New(&config.CompressionConfig{
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Type: "gzip",
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Level: 6,
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MinSize: 10, // 小阈值
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Types: []string{"text/html"},
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})
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// 创建足够长的响应
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longResponse := bytes.Repeat([]byte("Hello World! "), 100) // 1300+ bytes
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nextHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.Response.Header.Set("Content-Type", "text/html")
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_, _ = ctx.Write(longResponse)
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}
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handler := m.Process(nextHandler)
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ctx := &fasthttp.RequestCtx{}
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ctx.Request.Header.Set("Accept-Encoding", "gzip")
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handler(ctx)
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encoding := ctx.Response.Header.Peek("Content-Encoding")
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if string(encoding) != "gzip" {
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t.Errorf("Expected Content-Encoding 'gzip', got %s", encoding)
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}
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// 响应应该被压缩（更小）
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body := ctx.Response.Body()
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if len(body) >= len(longResponse) {
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t.Errorf("Expected compressed body smaller than original, got %d >= %d", len(body), len(longResponse))
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}
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}
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func TestProcessWithBrotli(t *testing.T) {
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m, _ := New(&config.CompressionConfig{
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Type: "brotli",
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Level: 4,
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MinSize: 10,
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Types: []string{"text/html"},
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})
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longResponse := bytes.Repeat([]byte("Hello World! "), 100)
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nextHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.Response.Header.Set("Content-Type", "text/html")
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_, _ = ctx.Write(longResponse)
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}
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handler := m.Process(nextHandler)
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ctx := &fasthttp.RequestCtx{}
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ctx.Request.Header.Set("Accept-Encoding", "br")
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handler(ctx)
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encoding := ctx.Response.Header.Peek("Content-Encoding")
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if string(encoding) != "br" {
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t.Errorf("Expected Content-Encoding 'br', got %s", encoding)
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}
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}
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func TestProcessUnsupportedEncoding(t *testing.T) {
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m, _ := New(&config.CompressionConfig{
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Type: "gzip",
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Level: 6,
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})
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nextHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.Response.Header.Set("Content-Type", "text/html")
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_, _ = ctx.WriteString("Test response")
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}
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handler := m.Process(nextHandler)
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ctx := &fasthttp.RequestCtx{}
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// 不设置 Accept-Encoding 或设置为空
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ctx.Request.Header.Set("Accept-Encoding", "")
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handler(ctx)
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// 不应压缩
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encoding := ctx.Response.Header.Peek("Content-Encoding")
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if string(encoding) != "" {
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t.Errorf("Expected no Content-Encoding, got %s", encoding)
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}
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}
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func TestProcessNonCompressibleType(t *testing.T) {
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m, _ := New(&config.CompressionConfig{
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Type: "gzip",
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MinSize: 10,
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})
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longResponse := bytes.Repeat([]byte("data"), 1000)
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nextHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.Response.Header.Set("Content-Type", "image/png")
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_, _ = ctx.Write(longResponse)
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}
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handler := m.Process(nextHandler)
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ctx := &fasthttp.RequestCtx{}
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ctx.Request.Header.Set("Accept-Encoding", "gzip")
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handler(ctx)
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// 图片不应压缩
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encoding := ctx.Response.Header.Peek("Content-Encoding")
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if string(encoding) != "" {
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t.Errorf("Expected no Content-Encoding for image, got %s", encoding)
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}
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}
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func TestName(t *testing.T) {
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m, _ := New(nil)
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if m.Name() != "compression" {
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t.Errorf("Expected name 'compression', got %s", m.Name())
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}
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}
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func TestGetters(t *testing.T) {
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cfg := &config.CompressionConfig{
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Type: "gzip",
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Level: 5,
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MinSize: 500,
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Types: []string{"text/html"},
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}
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m, _ := New(cfg)
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if m.Level() != 5 {
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t.Errorf("Expected Level 5, got %d", m.Level())
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}
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if m.MinSize() != 500 {
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t.Errorf("Expected MinSize 500, got %d", m.MinSize())
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}
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if len(m.Types()) != 1 {
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t.Errorf("Expected 1 type, got %d", len(m.Types()))
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}
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}
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func TestProcessStreamingGzip(t *testing.T) {
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m, _ := New(&config.CompressionConfig{
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Type: "gzip",
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Level: 6,
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MinSize: 10,
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Types: []string{"text/html"},
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})
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// 创建大于 streamingThreshold 的响应
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largeResponse := bytes.Repeat([]byte("Hello World! This is streaming test data. "), 2000) // ~80KB
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nextHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.Response.Header.Set("Content-Type", "text/html")
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_, _ = ctx.Write(largeResponse)
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}
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handler := m.Process(nextHandler)
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ctx := &fasthttp.RequestCtx{}
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ctx.Request.Header.Set("Accept-Encoding", "gzip")
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handler(ctx)
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encoding := ctx.Response.Header.Peek("Content-Encoding")
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if string(encoding) != "gzip" {
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t.Errorf("Expected Content-Encoding 'gzip', got %s", encoding)
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}
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// Content-Length 应该被移除（使用 chunked encoding）
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contentLength := ctx.Response.Header.Peek("Content-Length")
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if string(contentLength) != "" {
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t.Errorf("Expected no Content-Length for streaming, got %s", contentLength)
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}
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// 读取 body 并解压验证
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body := ctx.Response.Body()
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if len(body) == 0 {
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t.Fatal("Expected non-empty body")
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}
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// 解压验证
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gr, err := gzip.NewReader(bytes.NewReader(body))
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if err != nil {
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t.Fatalf("Failed to create gzip reader: %v", err)
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}
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defer gr.Close()
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decompressed, err := io.ReadAll(gr)
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if err != nil {
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t.Fatalf("Failed to decompress: %v", err)
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}
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if !bytes.Equal(decompressed, largeResponse) {
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t.Errorf("Decompressed body does not match original")
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}
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}
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func TestProcessStreamingBrotli(t *testing.T) {
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m, _ := New(&config.CompressionConfig{
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Type: "brotli",
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Level: 4,
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MinSize: 10,
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Types: []string{"text/html"},
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})
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// 创建大于 streamingThreshold 的响应
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largeResponse := bytes.Repeat([]byte("Hello World! This is brotli streaming test data. "), 2000) // ~100KB
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nextHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.Response.Header.Set("Content-Type", "text/html")
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_, _ = ctx.Write(largeResponse)
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}
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handler := m.Process(nextHandler)
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ctx := &fasthttp.RequestCtx{}
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ctx.Request.Header.Set("Accept-Encoding", "br")
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handler(ctx)
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encoding := ctx.Response.Header.Peek("Content-Encoding")
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if string(encoding) != "br" {
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t.Errorf("Expected Content-Encoding 'br', got %s", encoding)
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}
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// Content-Length 应该被移除
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contentLength := ctx.Response.Header.Peek("Content-Length")
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if string(contentLength) != "" {
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t.Errorf("Expected no Content-Length for streaming, got %s", contentLength)
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}
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// 读取 body 并解压验证
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body := ctx.Response.Body()
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if len(body) == 0 {
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t.Fatal("Expected non-empty body")
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}
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// 解压验证
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br := brotli.NewReader(bytes.NewReader(body))
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decompressed, err := io.ReadAll(br)
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if err != nil {
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t.Fatalf("Failed to decompress: %v", err)
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}
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if !bytes.Equal(decompressed, largeResponse) {
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t.Errorf("Decompressed body does not match original")
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}
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}
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func TestProcessSmallResponseBuffered(t *testing.T) {
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m, _ := New(&config.CompressionConfig{
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Type: "gzip",
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Level: 6,
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MinSize: 10,
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Types: []string{"text/html"},
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})
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// 创建小于 streamingThreshold 但大于 MinSize 的响应
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smallResponse := bytes.Repeat([]byte("Hello World! "), 100) // ~1.3KB
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nextHandler := func(ctx *fasthttp.RequestCtx) {
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ctx.Response.Header.Set("Content-Type", "text/html")
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_, _ = ctx.Write(smallResponse)
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}
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handler := m.Process(nextHandler)
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ctx := &fasthttp.RequestCtx{}
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ctx.Request.Header.Set("Accept-Encoding", "gzip")
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handler(ctx)
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encoding := ctx.Response.Header.Peek("Content-Encoding")
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if string(encoding) != "gzip" {
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t.Errorf("Expected Content-Encoding 'gzip', got %s", encoding)
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}
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// 小响应应该被压缩且 body 更小
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body := ctx.Response.Body()
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if len(body) >= len(smallResponse) {
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t.Errorf("Expected compressed body smaller than original, got %d >= %d", len(body), len(smallResponse))
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}
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}
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