test: add download, store, and scraper tests

internal/store/store_test.go

@@ -0,0 +1,63 @@
+package store
+
+import (
+	"os"
+	"path/filepath"
+	"testing"
+	"time"
+)
+
+func TestOpenPutGet(t *testing.T) {
+	dir := t.TempDir()
+
+	s, err := Open(dir)
+	if err != nil {
+		t.Fatalf("Open: %v", err)
+	}
+	defer s.Close()
+
+	if _, err := os.Stat(filepath.Join(dir, ".tracks.db")); err != nil {
+		t.Errorf("expected .tracks.db to exist: %v", err)
+	}
+
+	info := &DownloadInfo{
+		TrackID:    "123",
+		Quality:    "MP3_320",
+		Path:       "/music/track.mp3",
+		Hash:       "abc",
+		Downloaded: time.Now().Truncate(time.Second),
+	}
+	if err := s.PutDownloadInfo(info); err != nil {
+		t.Fatalf("PutDownloadInfo: %v", err)
+	}
+
+	got, err := s.DownloadInfo("123")
+	if err != nil {
+		t.Fatalf("DownloadInfo: %v", err)
+	}
+	if got.TrackID != info.TrackID || got.Quality != info.Quality || got.Path != info.Path || got.Hash != info.Hash {
+		t.Errorf("DownloadInfo() = %+v, want %+v", got, info)
+	}
+}
+
+func TestDownloadInfoNotFound(t *testing.T) {
+	s, err := Open(t.TempDir())
+	if err != nil {
+		t.Fatalf("Open: %v", err)
+	}
+	defer s.Close()
+
+	if _, err := s.DownloadInfo("missing"); err == nil {
+		t.Error("expected error for unknown track ID")
+	}
+}
+
+func TestClose(t *testing.T) {
+	s, err := Open(t.TempDir())
+	if err != nil {
+		t.Fatalf("Open: %v", err)
+	}
+	if err := s.Close(); err != nil {
+		t.Errorf("Close: %v", err)
+	}
+}