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backend_v2/internal/service/ingest_image_count_test.go
toom1996 d15d2a4701 update
2026-09-28 10:52:50 +08:00

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package service
import (
"context"
"net/http"
"net/http/httptest"
"testing"
"fashionapi/internal/dto"
"fashionapi/internal/model"
"fashionapi/internal/pkg/hashid"
"fashionapi/internal/pkg/storage"
"fashionapi/internal/repository"
)
// captureIngestRepo 捕获 processRunway 交给仓储的「待落库」记录与图片行。
// 只实现被测路径会用到的方法,其余由内嵌 nil 接口兜底(不应被调用)。
type captureIngestRepo struct {
repository.IngestRepository
createdRW *model.BrandRunway
createdImages []model.BrandRunwayImage
deletedEntity bool // 模拟实体键已软删(删除即永久:应跳过重爬,不重新写入)
}
func (c *captureIngestRepo) RunwayEntityState(ctx context.Context, brandID uint32, seasonCode, collectionType string) (uint32, string, bool, bool, error) {
if c.deletedEntity {
return 1, model.StatusPending, true, true, nil // 命中但已软删
}
return 0, "", false, false, nil // 实体键未命中 → 新建分支
}
func (c *captureIngestRepo) CreateRunwayWithImages(ctx context.Context, rw *model.BrandRunway, imgs []model.BrandRunwayImage) (uint32, error) {
c.createdRW = rw
c.createdImages = imgs
return 1, nil
}
func (c *captureIngestRepo) FindNearDuplicateImage(ctx context.Context, tables []string, phashBits string, threshold int) (uint32, bool, error) {
return 0, false, nil // 近重复不影响本用例
}
func (c *captureIngestRepo) MarkDone(ctx context.Context, id uint32) error { return nil }
// RepairRunwayDetailParents 在捕获型仓储里无需真正落库回填,直接返回成功(被测路径只关心落库记录)。
func (c *captureIngestRepo) RepairRunwayDetailParents(ctx context.Context, runwayID uint32) error {
return nil
}
// fakeBrandRepo 品牌校验恒通过。
type fakeBrandRepo struct{ repository.BrandRepository }
func (fakeBrandRepo) FindByID(ctx context.Context, id uint32) (*model.Brand, error) {
return &model.Brand{}, nil
}
// TestProcessRunwayImageCountEqualsAliveMainRows 回归 image_count 漂移:
//
// 旧实现取 imageCount = len(p.Looks),但 fetchLookImages 会跳过 look.Main == "" 的 look
// 与 sha1 重复的行 —— 实际落库的主图行可能更少。旧流程靠晋升按实际行重算自愈,单表发布后
// 该路径已删除,漂移会永久留在公开卡片的「N 张」角标与热度 SUM(image_count) 上。
//
// 本用例断言:入库时交给仓储的 image_count == 实际存活主图行数(is_detail = 0),
// 且在数据触发跳过时**严格小于** len(Looks)。旧实现下 image_count 会是 4,确定性失败。
func TestProcessRunwayImageCountEqualsAliveMainRows(t *testing.T) {
dir := t.TempDir()
local := storage.NewLocalUploader(dir, "/uploads")
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "image/jpeg")
// 按路径返回不同内容:Content 不同 → sha1 不同;同路径 → sha1 相同(触发批次内去重)。
_, _ = w.Write([]byte("fake-bytes-for" + r.URL.Path))
}))
defer srv.Close()
repo := &captureIngestRepo{}
s := &IngestService{
repo: repo,
brandRepo: fakeBrandRepo{},
uploader: local,
local: local,
httpClient: srv.Client(),
}
p := dto.RunwayIngest{
Kind: dto.IngestKindRunway,
BrandUID: hashid.Encode(1),
TitleEn: "image-count-test",
Year: 2027,
Season: "spring",
CollectionType: "rtw",
Looks: []dto.RunwayLook{
// look 1:主图 a + 细节图 a1 → 1 主图
{Main: srv.URL + "/img/a.jpg", Details: []string{srv.URL + "/img/a1.jpg"}},
// look 2:空主图,只有细节图 b1 → 0 主图(旧实现仍按 1 计)
{Details: []string{srv.URL + "/img/b1.jpg"}},
// look 3:主图与 look 1 内容相同(sha1 重复)→ 被跳过,0 主图(旧实现仍按 1 计)
{Main: srv.URL + "/img/a.jpg"},
// look 4:主图 c → 1 主图
{Main: srv.URL + "/img/c.jpg"},
},
}
job := model.IngestJob{ID: 1, Kind: model.IngestKindCrawl}
s.processRunway(context.Background(), job, p)
if repo.createdRW == nil {
t.Fatal("未写入走秀记录")
}
// 实际落库主图行:a、c → 2 张;细节图 a1、b1 → 2 张。
var actualMain uint16
for _, im := range repo.createdImages {
if im.IsDetail == 0 {
actualMain++
}
}
if actualMain != 2 {
t.Fatalf("前置:实际主图行应为 2,实际 %d(图片行=%+v)", actualMain, repo.createdImages)
}
if got := repo.createdRW.ImageCount; got != actualMain {
t.Fatalf("入库 image_count 应等于存活主图行数 %d,实际 %d", actualMain, got)
}
if repo.createdRW.ImageCount >= uint16(len(p.Looks)) {
t.Fatalf("本用例数据应让 image_count(%d) 严格小于 len(Looks)=%d,否则测不出漂移",
repo.createdRW.ImageCount, len(p.Looks))
}
}
// TestProcessRunwaySkipsSoftDeletedEntity 回归「删除即永久」:
// 实体键已软删(is_deleted=1)的走秀,重爬时不应被重新写入正式表,仅置任务 done。
func TestProcessRunwaySkipsSoftDeletedEntity(t *testing.T) {
dir := t.TempDir()
local := storage.NewLocalUploader(dir, "/uploads")
srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "image/jpeg")
_, _ = w.Write([]byte("fake-bytes-for" + r.URL.Path))
}))
defer srv.Close()
// deletedEntity=true:模拟实体键已软删,processRunway 应跳过重爬。
repo := &captureIngestRepo{deletedEntity: true}
s := &IngestService{
repo: repo,
brandRepo: fakeBrandRepo{},
uploader: local,
local: local,
httpClient: srv.Client(),
}
p := dto.RunwayIngest{
Kind: dto.IngestKindRunway,
BrandUID: hashid.Encode(1),
TitleEn: "deleted-entity-test",
Year: 2027,
Season: "spring",
CollectionType: "rtw",
Looks: []dto.RunwayLook{{Main: srv.URL + "/img/a.jpg"}},
}
job := model.IngestJob{ID: 2, Kind: model.IngestKindCrawl}
s.processRunway(context.Background(), job, p)
if repo.createdRW != nil {
t.Fatal("已软删的实体不应被重新写入正式表")
}
if len(repo.createdImages) != 0 {
t.Fatalf("已软删的实体不应写入任何图片行,实际 %d 张", len(repo.createdImages))
}
}