wangbo
be6ce7f78a
将线上压力生成器拆分为宁波、香港宿主机上的 K3s 外进程，按全局序号分片并保守合并站点报告，避免操作者本机上行带宽成为容量瓶颈。\n\n为每次负载执行生成独立幂等键和 Run 级图片变体，阻止三轮验收重放旧任务或复用历史媒体缓存，并新增直接 OSS 物化一致性门禁。\n\n验证：Go 全量测试、go vet、迁移安全检查、bash -n、ShellCheck、manual-release-test 和双宿主机 linux/amd64 启动冒烟通过。
318 lines
11 KiB
Go
318 lines
11 KiB
Go
package main
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import (
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"bytes"
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"crypto/sha256"
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"encoding/base64"
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"encoding/hex"
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"encoding/json"
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"errors"
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"fmt"
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"net/http"
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"net/http/httptest"
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"os"
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"path/filepath"
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"sync/atomic"
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"testing"
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)
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func TestStreamGeminiImageHashDoesNotNeedWholeResponse(t *testing.T) {
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payload := paddedPNG(4 << 20)
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response := fmt.Sprintf(`{"candidates":[{"content":{"parts":[{"inlineData":{"mimeType":"image/png","data":"%s"}}]}}]}`,
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base64.StdEncoding.EncodeToString(payload))
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size, digest, err := streamGeminiImageHash(bytes.NewBufferString(response))
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if err != nil {
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t.Fatalf("stream Gemini output: %v", err)
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}
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expected := sha256.Sum256(payload)
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if size != int64(len(payload)) || digest != hex.EncodeToString(expected[:]) {
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t.Fatalf("size=%d digest=%s", size, digest)
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}
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}
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func TestPaddedPNGVariantsAreExactSizeAndUnique(t *testing.T) {
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first := paddedPNGVariant(256<<10, 1)
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second := paddedPNGVariant(256<<10, 2)
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if len(first) != 256<<10 || len(second) != 256<<10 {
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t.Fatalf("variant sizes=%d/%d", len(first), len(second))
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}
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firstHash := sha256.Sum256(first)
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secondHash := sha256.Sum256(second)
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if firstHash == secondHash {
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t.Fatal("distinct variants have the same SHA-256")
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}
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}
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func TestStreamGeminiRequestBodyPreservesInput(t *testing.T) {
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input := paddedPNGVariant(2<<20, 37)
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var body struct {
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Contents []struct {
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Parts []struct {
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InlineData *struct {
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MIMEType string `json:"mimeType"`
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Data string `json:"data"`
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} `json:"inlineData"`
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} `json:"parts"`
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} `json:"contents"`
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GenerationConfig struct {
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ResponseModalities []string `json:"responseModalities"`
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} `json:"generationConfig"`
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}
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stream := streamGeminiRequestBody(input)
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defer stream.Close()
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if err := json.NewDecoder(stream).Decode(&body); err != nil {
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t.Fatalf("decode streamed Gemini request: %v", err)
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}
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if len(body.Contents) != 1 || len(body.Contents[0].Parts) != 2 || body.Contents[0].Parts[1].InlineData == nil {
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t.Fatalf("unexpected Gemini body structure: %+v", body)
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}
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inlineData := body.Contents[0].Parts[1].InlineData
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if inlineData.MIMEType != "image/png" {
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t.Fatalf("mime type=%q", inlineData.MIMEType)
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}
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decoded, err := base64.StdEncoding.DecodeString(inlineData.Data)
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if err != nil {
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t.Fatalf("decode streamed input: %v", err)
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}
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if !bytes.Equal(decoded, input) {
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t.Fatal("streamed input differs from source")
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}
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if len(body.GenerationConfig.ResponseModalities) != 1 || body.GenerationConfig.ResponseModalities[0] != "IMAGE" {
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t.Fatalf("response modalities=%v", body.GenerationConfig.ResponseModalities)
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}
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}
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func TestVideoCombinationsProvide128UniqueInputs(t *testing.T) {
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images := make([]string, 16)
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for index := range images {
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images[index] = fmt.Sprintf("https://fixtures.example/image-%02d", index)
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}
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combinations := videoCombinations(images, 128)
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if len(combinations) != 128 {
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t.Fatalf("combinations=%d", len(combinations))
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}
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seen := map[string]struct{}{}
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for _, combination := range combinations {
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seen[fmt.Sprint(combination)] = struct{}{}
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if len(combination) != 3 && len(combination) != 6 && len(combination) != 9 {
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t.Fatalf("invalid combination size=%d", len(combination))
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}
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}
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if len(seen) != 128 {
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t.Fatalf("unique combinations=%d", len(seen))
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}
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}
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func TestGeminiLoadIsSplitAcrossTwoGatewayAPIs(t *testing.T) {
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output := paddedPNG(256 << 10)
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encoded := base64.StdEncoding.EncodeToString(output)
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var firstCalls atomic.Int64
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var secondCalls atomic.Int64
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var firstKeyCalls atomic.Int64
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var secondKeyCalls atomic.Int64
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newGateway := func(calls *atomic.Int64) *httptest.Server {
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return httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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calls.Add(1)
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switch r.Header.Get("Authorization") {
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case "Bearer key-1":
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firstKeyCalls.Add(1)
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case "Bearer key-2":
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secondKeyCalls.Add(1)
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default:
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t.Errorf("unexpected authorization header")
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}
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if r.Header.Get(runHeader) != "run-1" || r.Header.Get(tokenHeader) != "token-1" {
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t.Errorf("missing acceptance headers")
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}
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var body map[string]any
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if err := json.NewDecoder(r.Body).Decode(&body); err != nil {
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t.Errorf("decode Gemini body: %v", err)
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}
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_ = json.NewEncoder(w).Encode(map[string]any{
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"candidates": []any{map[string]any{"content": map[string]any{
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"parts": []any{map[string]any{"inlineData": map[string]any{
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"mimeType": "image/png", "data": encoded,
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}}},
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}}},
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})
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}))
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}
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first := newGateway(&firstCalls)
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defer first.Close()
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second := newGateway(&secondCalls)
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defer second.Close()
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opts := options{
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gateways: []string{first.URL, second.URL}, apiKeys: []string{"key-1", "key-2"}, runID: "run-1",
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runToken: "token-1", geminiModel: "gemini-image-test",
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}
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result := runGemini(t.Context(), http.DefaultClient, opts, "dual-api", 8, 256<<10, 256<<10, false, 0, 1)
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if result.err != nil || result.report.Completed != 8 {
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t.Fatalf("result=%+v err=%v", result.report, result.err)
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}
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if firstCalls.Load() != 4 || secondCalls.Load() != 4 {
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t.Fatalf("gateway calls=%d/%d", firstCalls.Load(), secondCalls.Load())
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}
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if firstKeyCalls.Load() != 4 || secondKeyCalls.Load() != 4 {
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t.Fatalf("API key calls=%d/%d", firstKeyCalls.Load(), secondKeyCalls.Load())
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}
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}
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func TestDistributedShardIndexesCoverWorkloadWithoutOverlap(t *testing.T) {
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first := options{shardIndex: 0, shardCount: 2}
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second := options{shardIndex: 1, shardCount: 2}
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if first.shardRequestCount(1001) != 501 || second.shardRequestCount(1001) != 500 {
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t.Fatalf("shard counts=%d/%d", first.shardRequestCount(1001), second.shardRequestCount(1001))
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}
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seen := map[int]bool{}
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for local := 0; local < first.shardRequestCount(1001); local++ {
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seen[first.logicalRequestIndex(local)] = true
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}
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for local := 0; local < second.shardRequestCount(1001); local++ {
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index := second.logicalRequestIndex(local)
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if seen[index] {
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t.Fatalf("duplicate logical index %d", index)
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}
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seen[index] = true
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}
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if len(seen) != 1001 {
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t.Fatalf("covered indexes=%d", len(seen))
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}
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}
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func TestGeminiInputVariantIsRunScoped(t *testing.T) {
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if geminiInputVariant("run-a", 7) == geminiInputVariant("run-b", 7) {
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t.Fatal("different Run IDs produced the same input variant")
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}
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if geminiInputVariant("run-a", 7) == geminiInputVariant("run-a", 8) {
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t.Fatal("different logical indexes produced the same input variant")
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}
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}
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func TestAcceptanceIdempotencyKeyIncludesExecutionAndLogicalIndex(t *testing.T) {
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request := httptest.NewRequest(http.MethodPost, "https://gateway.example/v1", nil)
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opts := options{
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apiKeys: []string{"key-1"}, runID: "run-1", runToken: "token-1", executionID: "p24-2-gemini-baseline",
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}
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opts.setHeaders(request, 17, false)
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if got := request.Header.Get("Idempotency-Key"); got != "acceptance-run-1-p24-2-gemini-baseline-17" {
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t.Fatalf("idempotency key=%q", got)
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}
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poll := httptest.NewRequest(http.MethodGet, "https://gateway.example/result", nil)
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opts.setHeaders(poll, 17, false)
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if got := poll.Header.Get("Idempotency-Key"); got != "" {
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t.Fatalf("GET request unexpectedly has idempotency key %q", got)
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}
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}
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func TestValidateVideoAssetDownloadsFinalMedia(t *testing.T) {
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, request *http.Request) {
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if request.Header.Get("Authorization") != "" {
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t.Fatal("acceptance credentials leaked to external media host")
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}
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w.Header().Set("Content-Type", "video/mp4")
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_, _ = w.Write([]byte{0, 0, 0, 16, 'f', 't', 'y', 'p', 'i', 's', 'o', 'm'})
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}))
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defer server.Close()
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if err := validateVideoAsset(t.Context(), server.Client(), options{}, server.URL+"/result.mp4", 0); err != nil {
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t.Fatalf("validate video asset: %v", err)
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}
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if got := findMediaURL(map[string]any{"content": map[string]any{"video_url": server.URL}}); got != server.URL {
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t.Fatalf("media URL=%q", got)
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}
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}
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func TestValidateVideoAssetUsesGatewayForMaterializedPath(t *testing.T) {
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, request *http.Request) {
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if request.Host != "gateway.easyai.local" || request.Header.Get("Authorization") != "Bearer key-1" {
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t.Fatalf("host=%q authorization=%q", request.Host, request.Header.Get("Authorization"))
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}
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if request.URL.Path != "/static/generated/result.mp4" {
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t.Fatalf("path=%q", request.URL.Path)
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}
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w.Header().Set("Content-Type", "video/mp4")
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_, _ = w.Write([]byte{0, 0, 0, 16, 'f', 't', 'y', 'p', 'i', 's', 'o', 'm'})
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}))
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defer server.Close()
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opts := options{
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gateways: []string{server.URL}, apiKeys: []string{"key-1"},
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runID: "run-1", runToken: "token-1", gatewayTLSName: "gateway.easyai.local",
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}
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if err := validateVideoAsset(t.Context(), server.Client(), opts, "/static/generated/result.mp4", 0); err != nil {
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t.Fatalf("validate materialized video: %v", err)
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}
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got := findMediaURL(map[string]any{
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"raw": map[string]any{"video_url": "http://internal.invalid/video.mp4"},
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"data": []any{map[string]any{"video_url": "/static/generated/result.mp4"}},
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})
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if got != "/static/generated/result.mp4" {
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t.Fatalf("preferred media URL=%q", got)
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}
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}
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func TestAcceptanceReportErrorRedactsSecretsAndURLs(t *testing.T) {
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got := redactError(
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`token-1 failed at https://example.invalid/video.mp4?token=signed`,
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options{runToken: "token-1"},
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)
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if got != `[REDACTED] failed at [REDACTED_URL]` {
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t.Fatalf("redacted error=%q", got)
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}
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}
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func TestAcceptanceReportCannotOverwriteExistingRunArtifact(t *testing.T) {
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path := filepath.Join(t.TempDir(), "load-report.json")
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if err := writeReportExclusive(path, []byte(`{"runId":"first"}`)); err != nil {
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t.Fatalf("write first report: %v", err)
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}
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if err := writeReportExclusive(path, []byte(`{"runId":"second"}`)); err == nil {
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t.Fatal("second report unexpectedly overwrote the first report")
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}
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payload, err := os.ReadFile(path)
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if err != nil {
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t.Fatalf("read report: %v", err)
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}
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if string(payload) != "{\"runId\":\"first\"}\n" {
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t.Fatalf("report changed after rejected overwrite: %s", payload)
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}
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}
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func TestAcceptanceFailurePreservesOperationAndHTTPStatus(t *testing.T) {
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err := withOperation("video_poll", &httpStatusError{Status: http.StatusUnauthorized, Body: "unauthorized"})
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var operationErr *operationError
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if !errors.As(err, &operationErr) || operationErr.Operation != "video_poll" {
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t.Fatalf("operation error=%#v", operationErr)
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}
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var statusErr *httpStatusError
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if !errors.As(err, &statusErr) || statusErr.Status != http.StatusUnauthorized {
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t.Fatalf("HTTP status error=%#v", statusErr)
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}
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}
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func TestAcceptanceGatewayTLSNameSetsHostHeader(t *testing.T) {
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request := httptest.NewRequest(http.MethodGet, "https://127.0.0.1/api/v1/healthz", nil)
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opts := options{
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apiKeys: []string{"key-1"}, runID: "run-1", runToken: "token-1",
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gatewayTLSName: "ai.example.com",
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}
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opts.setHeaders(request, 0, false)
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if request.Host != "ai.example.com" {
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t.Fatalf("Host=%q", request.Host)
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}
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}
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func TestAcceptanceRootCAsRejectsSymlink(t *testing.T) {
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root := t.TempDir()
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target := filepath.Join(root, "ca.pem")
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if err := os.WriteFile(target, []byte("not a certificate"), 0o600); err != nil {
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t.Fatal(err)
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}
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link := filepath.Join(root, "ca-link.pem")
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if err := os.Symlink(target, link); err != nil {
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t.Fatal(err)
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}
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if _, err := acceptanceRootCAs(link); err == nil {
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t.Fatal("symlink CA file was accepted")
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}
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}
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