登録番組の定期確認を追加（24 時間ごと、予告の除外、確認エラーの記録）

internal/store/subscriptions_test.go

@@ -5,8 +5,144 @@ import (
 	"errors"
 	"sync"
 	"testing"
+	"time"
 )
 
+func TestListDueSubscriptionsBoundaryAndPaused(t *testing.T) {
+	pool := testPool(t, true)
+	s := New(pool)
+	ctx := context.Background()
+	now := time.Date(2026, 10, 3, 12, 0, 0, 0, time.UTC)
+	for _, id := range []string{"null", "old", "boundary", "fresh", "paused"} {
+		if created, err := s.RegisterSubscription(ctx, id, "番組 "+id, nil, false); err != nil || !created {
+			t.Fatalf("登録 %s: %t %v", id, created, err)
+		}
+	}
+	updates := map[string]*time.Time{
+		"null": nil, "old": timePointer(now.Add(-25 * time.Hour)),
+		"boundary": timePointer(now.Add(-24 * time.Hour)), "fresh": timePointer(now.Add(-24*time.Hour + time.Microsecond)),
+		"paused": timePointer(now.Add(-48 * time.Hour)),
+	}
+	for id, checked := range updates {
+		if _, err := pool.Exec(ctx, `UPDATE subscriptions SET last_checked_at=$2 WHERE series_id=$1`, id, checked); err != nil {
+			t.Fatal(err)
+		}
+	}
+	if err := s.SetSubscriptionEnabled(ctx, "paused", false); err != nil {
+		t.Fatal(err)
+	}
+	due, err := s.ListDueSubscriptions(ctx, now.Add(-24*time.Hour))
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(due) != 3 || due[0].SeriesID != "null" || due[1].SeriesID != "old" || due[2].SeriesID != "boundary" {
+		t.Fatalf("24時間境界と一時停止: %+v", due)
+	}
+}
+
+func TestCompleteSubscriptionCheckKnownPreviewErrorAndAtomicity(t *testing.T) {
+	pool := testPool(t, true)
+	s := New(pool)
+	ctx := context.Background()
+	if created, err := s.RegisterSubscription(ctx, "series-check", "番組", []Episode{seriesEpisode("known", "series-check")}, false); err != nil || !created {
+		t.Fatalf("登録: %t %v", created, err)
+	}
+	before := time.Date(2026, 10, 1, 0, 0, 0, 0, time.UTC)
+	failedAt := time.Date(2026, 10, 3, 1, 2, 3, 0, time.UTC)
+	if _, err := pool.Exec(ctx, `UPDATE subscriptions SET last_checked_at=$2 WHERE series_id=$1`, "series-check", before); err != nil {
+		t.Fatal(err)
+	}
+	if err := s.RecordSubscriptionCheckFailure(ctx, "series-check", failedAt, "network token=[REDACTED]"); err != nil {
+		t.Fatal(err)
+	}
+	var unchanged time.Time
+	if err := pool.QueryRow(ctx, `SELECT last_checked_at FROM subscriptions WHERE series_id='series-check'`).Scan(&unchanged); err != nil || !unchanged.Equal(before) {
+		t.Fatalf("失敗時に最終確認を更新: %v %v", unchanged, err)
+	}
+	checkedAt := time.Date(2026, 10, 3, 4, 5, 6, 0, time.UTC)
+	preview := seriesEpisode("preview", "series-check")
+	preview.DurationSeconds = 180
+	normal := seriesEpisode("normal", "series-check")
+	normal.DurationSeconds = 181
+	count, err := s.CompleteSubscriptionCheck(ctx, "series-check", []Episode{
+		seriesEpisode("known", "series-check"), preview, normal,
+	}, 180, checkedAt)
+	if err != nil || count != 1 {
+		t.Fatalf("確認完了: count=%d err=%v", count, err)
+	}
+	unknown, err := s.UnknownEpisodeIDs(ctx, "series-check", []string{"known", "preview", "normal"})
+	if err != nil || len(unknown) != 0 {
+		t.Fatalf("予告を含む既知化: %v %v", unknown, err)
+	}
+	var jobs int
+	if err := pool.QueryRow(ctx, `SELECT count(*) FROM download_jobs WHERE series_id='series-check'`).Scan(&jobs); err != nil || jobs != 1 {
+		t.Fatalf("予告の投入除外: %d %v", jobs, err)
+	}
+	var last time.Time
+	var errorAt, errorMessage any
+	if err := pool.QueryRow(ctx, `SELECT last_checked_at, last_check_error_at, last_check_error FROM subscriptions WHERE series_id='series-check'`).Scan(&last, &errorAt, &errorMessage); err != nil || !last.Equal(checkedAt) || errorAt != nil || errorMessage != nil {
+		t.Fatalf("成功時の日時・エラー消去: %v %v %v %v", last, errorAt, errorMessage, err)
+	}
+
+	bad := seriesEpisode("bad", "series-check")
+	bad.DurationSeconds = -1
+	if _, err := s.CompleteSubscriptionCheck(ctx, "series-check", []Episode{seriesEpisode("rollback", "series-check"), bad}, 180, checkedAt.Add(time.Hour)); err == nil {
+		t.Fatal("不正な回を含む確認が成功した")
+	}
+	unknown, err = s.UnknownEpisodeIDs(ctx, "series-check", []string{"rollback"})
+	if err != nil || len(unknown) != 1 {
+		t.Fatalf("失敗時の既知記録を巻き戻さない: %v %v", unknown, err)
+	}
+	if err := pool.QueryRow(ctx, `SELECT last_checked_at FROM subscriptions WHERE series_id='series-check'`).Scan(&last); err != nil || !last.Equal(checkedAt) {
+		t.Fatalf("失敗時の最終確認を巻き戻さない: %v %v", last, err)
+	}
+	if err := s.SetSubscriptionEnabled(ctx, "series-check", false); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := s.CompleteSubscriptionCheck(ctx, "series-check", nil, 180, checkedAt.Add(time.Hour)); !errors.Is(err, ErrSubscriptionPaused) {
+		t.Fatalf("一時停止中の確認完了: %v", err)
+	}
+	if err := s.RecordSubscriptionCheckFailure(ctx, "series-check", failedAt, "ignored"); !errors.Is(err, ErrInvalidTransition) {
+		t.Fatalf("一時停止中のエラー記録: %v", err)
+	}
+}
+
+func TestCompleteSubscriptionCheckKeepsExistingManualJob(t *testing.T) {
+	pool := testPool(t, true)
+	s := New(pool)
+	ctx := context.Background()
+	if created, err := s.RegisterSubscription(ctx, "series-manual", "番組", nil, false); err != nil || !created {
+		t.Fatalf("登録: %t %v", created, err)
+	}
+	episode := seriesEpisode("manual-existing", "series-manual")
+	manual, _, err := s.Enqueue(ctx, episode, "manual")
+	if err != nil {
+		t.Fatal(err)
+	}
+	checkedAt := time.Date(2026, 10, 3, 4, 5, 6, 0, time.UTC)
+	queued, err := s.CompleteSubscriptionCheck(ctx, "series-manual", []Episode{episode, episode}, 180, checkedAt)
+	if err != nil || queued != 0 {
+		t.Fatalf("既存手動ジョブの確認: queued=%d err=%v", queued, err)
+	}
+	got, err := s.GetJob(ctx, manual.ID)
+	if err != nil || got.Source != "manual" {
+		t.Fatalf("既存手動ジョブを変更した: %+v %v", got, err)
+	}
+	var jobs, known int
+	if err := pool.QueryRow(ctx, `SELECT count(*) FROM download_jobs WHERE episode_id=$1`, episode.ID).Scan(&jobs); err != nil || jobs != 1 {
+		t.Fatalf("ジョブが二重化した: %d %v", jobs, err)
+	}
+	if err := pool.QueryRow(ctx, `SELECT count(*) FROM known_episodes WHERE series_id=$1 AND episode_id=$2`, episode.SeriesID, episode.ID).Scan(&known); err != nil || known != 1 {
+		t.Fatalf("既知記録: %d %v", known, err)
+	}
+	var last time.Time
+	if err := pool.QueryRow(ctx, `SELECT last_checked_at FROM subscriptions WHERE series_id=$1`, episode.SeriesID).Scan(&last); err != nil || !last.Equal(checkedAt) {
+		t.Fatalf("最終確認日時: %v %v", last, err)
+	}
+}
+
+func timePointer(value time.Time) *time.Time { return &value }
+
 func seriesEpisode(id, seriesID string) Episode {
 	ep := sampleEpisode(id)
 	ep.SeriesID = seriesID