fix media organize and subscription workflows

internal/service/scraper_lookup_test.go

@@ -0,0 +1,54 @@
+package service
+
+import (
+	"testing"
+
+	"go.uber.org/zap"
+
+	"github.com/ShukeBta/MediaStationGo/internal/model"
+)
+
+func TestMediaExternalIDMatchTrustsExactEpisodeID(t *testing.T) {
+	scraper := &ScraperService{log: zap.NewNop()}
+	media := &model.Media{
+		Title:      "电锯人",
+		Path:       "/media/anime/电锯人/Season 01/电锯人 - S01E01.mkv",
+		TMDbID:     114410,
+		SeasonNum:  1,
+		EpisodeNum: 1,
+	}
+	lib := &model.Library{Type: "anime", Path: "/media/anime"}
+	match := &Match{
+		Title:        "チェンソーマン",
+		OriginalName: "チェンソーマン",
+		TMDbID:       114410,
+	}
+
+	if !scraper.mediaExternalIDMatchTrusted(media, lib, match, "tmdb") {
+		t.Fatal("exact external id match should be trusted for episodic media")
+	}
+}
+
+func TestPreferExistingLocalizedMediaTitleKeepsCleanChineseTitle(t *testing.T) {
+	media := &model.Media{Title: "电锯人", SeasonNum: 1, EpisodeNum: 1}
+	lib := &model.Library{Type: "anime"}
+	match := &Match{Title: "チェンソーマン"}
+
+	preferExistingLocalizedEpisodeTitle(media, lib, match)
+
+	if match.Title != "电锯人" || match.OriginalName != "チェンソーマン" {
+		t.Fatalf("match title=%q original=%q, want localized title with original preserved", match.Title, match.OriginalName)
+	}
+}
+
+func TestPreferExistingLocalizedMediaTitleIgnoresReleaseTitle(t *testing.T) {
+	media := &model.Media{Title: "电锯人.S01E01.1080p.WEB-DL", SeasonNum: 1, EpisodeNum: 1}
+	lib := &model.Library{Type: "anime"}
+	match := &Match{Title: "チェンソーマン"}
+
+	preferExistingLocalizedEpisodeTitle(media, lib, match)
+
+	if match.Title != "チェンソーマン" {
+		t.Fatalf("release-like media title should not replace provider title, got %q", match.Title)
+	}
+}