292e77097d
- Entry 增加 DeviceVisits：同一 URL 多次/多设备上报取各设备最大值再求和，
不再平方级放大（30 次访问曾被计成 465 次）
- handleGet 不再截断 100 条，返回 {items,total}，后台显示当前条数
- 清理死代码（hostVisits/hostOf/visitCount/isCodeHostVal/dashySection）
- 守门测试：重复上报、多设备求和、陈旧数据、持久化、统计、门户文案、第 101 条可见性
78 lines
2.7 KiB
Go
78 lines
2.7 KiB
Go
package main
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import (
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"bytes"
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"encoding/json"
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"net/http"
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"net/http/httptest"
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"path/filepath"
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"testing"
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)
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// 复现「访问次数被平方级放大」：扩展每 30s 上报一次该 URL 的
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// chrome.history.search visitCount —— 那是**绝对累计值**（1,2,3,4,5…），
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// 而 handleSync 用 `e.TotalVisits += item.VisitCount` 把它当增量累加。
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// 结果 5 次真实访问被记成 15 次。
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func TestSyncDoubleCountsAbsoluteVisitCount(t *testing.T) {
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dir := t.TempDir()
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oldDir, oldFile, oldTok := dataDir, historyFile, syncToken
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dataDir = dir
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historyFile = filepath.Join(dir, "history.json")
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syncToken = "t"
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defer func() { dataDir, historyFile, syncToken = oldDir, oldFile, oldTok }()
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history = map[string]*Entry{}
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// 模拟 5 轮同步：同一 URL 的绝对 visitCount 依次为 1..5
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for round, vc := range []int{1, 2, 3, 4, 5} {
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body, _ := json.Marshal(SyncRequest{Items: []SyncItem{{
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URL: "https://ex.com/a", Title: "A", Device: "desktop",
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Timestamp: float64(1700000000 + round*30), VisitCount: vc,
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}}})
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req := httptest.NewRequest(http.MethodPost, "/sync", bytes.NewReader(body))
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req.Header.Set("Authorization", "Bearer t")
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w := httptest.NewRecorder()
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handleSync(w, req)
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if w.Code != http.StatusOK {
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t.Fatalf("round %d: status = %d", round, w.Code)
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}
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}
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e := history["https://ex.com/a"]
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if e == nil {
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t.Fatal("entry not created")
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}
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t.Logf("真实访问 5 次 → 落盘 TotalVisits = %d", e.TotalVisits)
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if e.TotalVisits != 5 {
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t.Errorf("TotalVisits = %d; 真实只访问 5 次，被平方级放大（期望 5）", e.TotalVisits)
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}
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}
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// 上报 100 次同一 URL 会放大到什么程度 —— 量化后果。
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func TestSyncInflationScalesQuadratically(t *testing.T) {
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dir := t.TempDir()
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oldDir, oldFile, oldTok := dataDir, historyFile, syncToken
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dataDir = dir
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historyFile = filepath.Join(dir, "history.json")
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syncToken = "t"
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defer func() { dataDir, historyFile, syncToken = oldDir, oldFile, oldTok }()
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history = map[string]*Entry{}
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// 真实访问 30 次，但扩展每 30s 同步一次 → 上报 30 次绝对值
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for round := 1; round <= 30; round++ {
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body, _ := json.Marshal(SyncRequest{Items: []SyncItem{{
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URL: "https://ex.com/b", Device: "desktop",
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Timestamp: float64(1700000000 + round*30), VisitCount: round,
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}}})
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req := httptest.NewRequest(http.MethodPost, "/sync", bytes.NewReader(body))
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req.Header.Set("Authorization", "Bearer t")
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handleSync(httptest.NewRecorder(), req)
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}
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got := history["https://ex.com/b"].TotalVisits
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want := 30
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t.Logf("真实 30 次访问 → 落盘 %d 次（虚高 %.1f×）", got, float64(got)/float64(want))
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if got != want {
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t.Errorf("TotalVisits = %d; want %d", got, want)
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}
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}
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