build spotify-to-navidrome migrator with recovery flow

internal/match/matcher_test.go

@@ -0,0 +1,64 @@
+package match
+
+import (
+	"context"
+	"strings"
+	"testing"
+
+	"navimigrate/internal/model"
+	"navimigrate/internal/navidrome"
+)
+
+type fakeSearcher struct {
+	tracks []navidrome.Track
+}
+
+func (f fakeSearcher) SearchTracks(context.Context, string, int) ([]navidrome.Track, error) {
+	return f.tracks, nil
+}
+
+func TestNormalizeTransliteratesCyrillic(t *testing.T) {
+	got := normalize("детство")
+	if got != "detstvo" {
+		t.Fatalf("expected detstvo, got %q", got)
+	}
+}
+
+func TestBuildQueriesIncludesLatinVariant(t *testing.T) {
+	m := NewMatcher(fakeSearcher{}, 45)
+	q := m.buildQueries(model.Track{
+		Title:   "детство",
+		Artists: []string{"Rauf & Faik"},
+	})
+
+	joined := strings.Join(q, "\n")
+	if !strings.Contains(strings.ToLower(joined), "detstvo") {
+		t.Fatalf("expected transliterated query to include detstvo, got %v", q)
+	}
+}
+
+func TestMatchThresholdIsConfigurable(t *testing.T) {
+	src := model.Track{
+		Title:      "One More Time",
+		Artists:    []string{"Daft Punk"},
+		DurationMS: 317000,
+	}
+	candidate := navidrome.Track{
+		ID:       "track-1",
+		Title:    "One More Time",
+		Artist:   "Daft Punk",
+		Duration: 317,
+	}
+
+	m := NewMatcher(fakeSearcher{tracks: []navidrome.Track{candidate}}, 100)
+	res := m.MatchTrack(context.Background(), src)
+	if res.Matched {
+		t.Fatalf("expected no match with high threshold, score=%.1f", res.Score)
+	}
+
+	m = NewMatcher(fakeSearcher{tracks: []navidrome.Track{candidate}}, 0)
+	res = m.MatchTrack(context.Background(), src)
+	if !res.Matched {
+		t.Fatalf("expected match with low threshold, score=%.1f", res.Score)
+	}
+}