100 lines
4.8 KiB
Go
100 lines
4.8 KiB
Go
package businessscope
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import (
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"context"
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"crypto/hmac"
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"crypto/sha256"
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"encoding/hex"
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"fmt"
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"net/http"
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"net/http/httptest"
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"strings"
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"sync/atomic"
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"testing"
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"time"
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)
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func TestReadAPISnapshotAuthenticatesPaginatesAndPreservesDimensions(t *testing.T) {
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const token = "service-token"
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const secret = "signing-secret"
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now := time.Date(2026, 7, 16, 10, 0, 0, 0, time.UTC)
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var requests atomic.Int32
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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requests.Add(1)
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if r.Header.Get("Authorization") != "Service "+token {
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t.Fatalf("missing service token")
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}
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canonical := r.Method + "\n" + r.URL.RequestURI() + "\n" + r.Header.Get("X-Request-Timestamp") + "\n" + r.Header.Get("X-Request-Id")
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mac := hmac.New(sha256.New, []byte(secret))
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_, _ = mac.Write([]byte(canonical))
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if r.Header.Get("X-Request-Signature") != hex.EncodeToString(mac.Sum(nil)) {
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t.Fatalf("invalid request signature")
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}
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w.Header().Set("Content-Type", "application/json")
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if r.URL.Query().Get("cursor") == "" {
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fmt.Fprint(w, `{"code":0,"data":{"scopeVersion":"scope-42","generatedAt":"2026-07-16T10:00:00Z","complete":true,"nextCursor":"page-2","items":[{"vehicleId":"10","vin":" lvin0001 ","plateNumber":"沪A00001","customerId":"100","customerName":"客户甲","contractId":"1010","contractCode":"HT-1","projectName":"项目甲","departmentId":"20","departmentName":"运营一部","responsibleUserId":"30","responsibleUserName":"张三","operationStatus":"active","scopeStartAt":"2026-07-01T08:00:00+08:00","sourceUpdatedAt":"2026-07-16T09:59:00Z"}],"rejected":[]}}`)
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return
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}
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fmt.Fprint(w, `{"code":0,"data":{"scopeVersion":"scope-42","generatedAt":"2026-07-16T10:00:00Z","complete":true,"nextCursor":"","items":[{"vehicleId":"11","vin":"LVIN0002","plateNumber":"沪A00002","customerId":"100","customerName":"客户甲","contractId":"1011","contractCode":"HT-2","projectName":"项目甲","departmentId":"20","departmentName":"运营一部","responsibleUserId":"31","responsibleUserName":"李四","operationStatus":"active","scopeStartAt":"2026-07-02T08:00:00+08:00"}],"rejected":[{"vehicleId":"12","vin":"","customerId":"100","contractId":"1012","reasonCode":"VIN_MISSING"}]}}`)
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}))
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defer server.Close()
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snapshot, err := ReadAPISnapshot(context.Background(), APIConfig{
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URL: server.URL, ServiceToken: token, SigningSecret: secret,
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MaxAttempts: 1, HTTPClient: server.Client(), Now: func() time.Time { return now },
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})
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if err != nil {
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t.Fatal(err)
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}
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if requests.Load() != 2 || snapshot.Candidates != 3 || len(snapshot.Items) != 2 || len(snapshot.Rejections) != 1 {
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t.Fatalf("unexpected API snapshot: requests=%d snapshot=%+v", requests.Load(), snapshot)
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}
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if !strings.HasPrefix(snapshot.SourceVersion, apiSourcePrefix) || len(snapshot.SourceVersion) > 96 {
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t.Fatalf("unexpected source version %q", snapshot.SourceVersion)
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}
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item := snapshot.Items[0]
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if item.VIN != "LVIN0001" || item.CustomerName != "客户甲" || item.DepartmentName != "运营一部" ||
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item.ResponsibleUserName != "张三" {
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t.Fatalf("business dimensions lost: %+v", item)
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}
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}
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func TestReadAPISnapshotFailsClosedOnVersionDrift(t *testing.T) {
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var request int
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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request++
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version := "scope-1"
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cursor := "next"
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if request == 2 {
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version = "scope-2"
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cursor = ""
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}
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fmt.Fprintf(w, `{"code":0,"data":{"scopeVersion":%q,"generatedAt":"2026-07-16T10:00:00Z","complete":true,"nextCursor":%q,"items":[],"rejected":[]}}`, version, cursor)
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}))
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defer server.Close()
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_, err := ReadAPISnapshot(context.Background(), APIConfig{
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URL: server.URL, ServiceToken: "token", SigningSecret: "secret", MaxAttempts: 1, HTTPClient: server.Client(),
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})
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if err == nil || !strings.Contains(err.Error(), "changed snapshot version") {
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t.Fatalf("version drift must fail closed: %v", err)
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}
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}
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func TestReadAPISnapshotRetriesOnlyTransientHTTPFailure(t *testing.T) {
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var requests atomic.Int32
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server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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if requests.Add(1) == 1 {
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http.Error(w, "temporary", http.StatusServiceUnavailable)
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return
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}
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fmt.Fprint(w, `{"code":0,"data":{"scopeVersion":"scope-1","generatedAt":"2026-07-16T10:00:00Z","complete":true,"nextCursor":"","items":[{"vehicleId":"10","vin":"LVIN0001","customerId":"100","contractId":"1010","scopeStartAt":"2026-07-01T00:00:00+08:00"}],"rejected":[]}}`)
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}))
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defer server.Close()
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snapshot, err := ReadAPISnapshot(context.Background(), APIConfig{
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URL: server.URL, ServiceToken: "token", SigningSecret: "secret", MaxAttempts: 2, HTTPClient: server.Client(),
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})
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if err != nil || requests.Load() != 2 || len(snapshot.Items) != 1 {
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t.Fatalf("transient retry failed: requests=%d snapshot=%+v err=%v", requests.Load(), snapshot, err)
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}
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}
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