Files
tapir/internal/runner/runner_test.go
T
mathias f1e9739900
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feat(store,runner,web): channel unavailability notice (migration 013)
YouTube channels that 404 on playlist discovery (deleted/private) are now:
1. Wrapped in domain.ErrChannelUnavailable by the YouTube adapter (instead of
   a generic error), so the runner can identify them without string-matching.
2. Stored per-user in channel_errors (migration 013, RLS-guarded) via runner's
   new UpsertChannelError path — removed from the generic Errors counter,
   counted separately as ChannelUnavailable.
3. Shown on the account page under "Unavailable channels" with name, chip-warn
   badge, and first-seen date, so users know why some subscribed channels
   produce no videos.
2026-06-06 10:09:52 +02:00

301 lines
11 KiB
Go

package runner_test
import (
"context"
"io"
"log/slog"
"testing"
"time"
"github.com/stretchr/testify/require"
"gitea.d-ma.be/mathias/tapir/internal/domain"
"gitea.d-ma.be/mathias/tapir/internal/runner"
"gitea.d-ma.be/mathias/tapir/internal/usecase"
)
const testUser = "11111111-1111-1111-1111-111111111111"
// --- fakes -----------------------------------------------------------------
type fakeSource struct {
subs []domain.Subscription
videos map[string][]domain.Video // keyed by channel id
transcripts map[string]domain.Transcript
}
func (f *fakeSource) ListSubscriptions(_ context.Context, _ string) ([]domain.Subscription, error) {
return f.subs, nil
}
func (f *fakeSource) NewVideos(_ context.Context, sub domain.Subscription) ([]domain.Video, error) {
return f.videos[sub.ChannelID], nil
}
func (f *fakeSource) FetchTranscript(_ context.Context, v domain.Video) (domain.Transcript, error) {
if t, ok := f.transcripts[v.ProviderVideoID]; ok {
return t, nil
}
return domain.Transcript{VideoID: v.ID, UserID: v.UserID, Source: domain.SourceCaptions, Content: "default transcript text"}, nil
}
// fakeStore assigns deterministic ids ("id-"+provider video id) so a pre-seeded
// seen set lines up with UpsertVideo output, modelling cross-restart dedup.
// auto controls the summarization mode; requested is the manual-mode queue keyed
// by store id; cleared records the ids whose queue flag the runner reset.
type fakeStore struct {
seen map[string]bool
upserted []domain.Video
auto bool
requested map[string]bool
cleared []string
rateLimited map[string]time.Time // id -> when 429'd (seeds the backoff window)
statuses map[string]string // id -> last SetTranscriptStatus value
}
func (f *fakeStore) UpsertVideo(_ context.Context, v domain.Video) (string, error) {
f.upserted = append(f.upserted, v)
return "id-" + v.ProviderVideoID, nil
}
func (f *fakeStore) SeenVideoIDs(_ context.Context, _ string) (map[string]bool, error) {
cp := make(map[string]bool, len(f.seen))
for k, v := range f.seen {
cp[k] = v
}
return cp, nil
}
func (f *fakeStore) GetAutoSummarize(_ context.Context, _ string) (bool, error) {
return f.auto, nil
}
func (f *fakeStore) RequestedVideoIDs(_ context.Context, _ string) (map[string]bool, error) {
cp := make(map[string]bool, len(f.requested))
for k, v := range f.requested {
cp[k] = v
}
return cp, nil
}
func (f *fakeStore) ClearSummarizeRequested(_ context.Context, _, videoID string) error {
f.cleared = append(f.cleared, videoID)
return nil
}
func (f *fakeStore) RateLimitedVideoIDs(_ context.Context, _ string) (map[string]time.Time, error) {
cp := make(map[string]time.Time, len(f.rateLimited))
for k, v := range f.rateLimited {
cp[k] = v
}
return cp, nil
}
func (f *fakeStore) UpsertChannelError(_ context.Context, _, _, _ string) error { return nil }
func (f *fakeStore) SetTranscriptStatus(_ context.Context, _, videoID, status string) error {
if f.statuses == nil {
f.statuses = map[string]string{}
}
f.statuses[videoID] = status
return nil
}
type fakeSummarizer struct{}
func (fakeSummarizer) Summarize(_ context.Context, v domain.Video, _ domain.Transcript) (domain.Summary, error) {
return domain.Summary{UserID: v.UserID, VideoID: v.ID, Summary: "s", AIProvider: "local", AIModel: "koala/phi4-mini"}, nil
}
type recordingSink struct{ delivered []domain.Summary }
func (s *recordingSink) Name() string { return "store" }
func (s *recordingSink) Deliver(_ context.Context, sum domain.Summary) error {
s.delivered = append(s.delivered, sum)
return nil
}
func sub(channelID, title string) domain.Subscription {
return domain.Subscription{UserID: testUser, ChannelID: channelID, ChannelTitle: title, Active: true}
}
func vid(provID, title string) domain.Video {
return domain.Video{UserID: testUser, Provider: domain.ProviderYouTube, ProviderVideoID: provID, Title: title}
}
func quietLogger() *slog.Logger {
return slog.New(slog.NewTextHandler(io.Discard, nil))
}
// --- tests -----------------------------------------------------------------
func TestRunOnce_SummarizesNewVideos(t *testing.T) {
src := &fakeSource{
subs: []domain.Subscription{sub("chan1", "Channel One")},
videos: map[string][]domain.Video{"chan1": {vid("v1", "Video 1"), vid("v2", "Video 2")}},
}
st := &fakeStore{seen: map[string]bool{}, auto: true}
sink := &recordingSink{}
eng := usecase.NewEngine(src, fakeSummarizer{}, sink)
r := runner.New(src, st, eng, testUser, quietLogger())
stats, err := r.RunOnce(context.Background())
require.NoError(t, err)
require.Equal(t, 2, stats.Candidates)
require.Equal(t, 2, stats.Summarized)
require.Equal(t, 0, stats.SkippedSeen)
require.Len(t, sink.delivered, 2)
// Each delivered summary must carry the durable store id as its video id.
require.Equal(t, "id-v1", sink.delivered[0].VideoID)
require.Equal(t, "id-v2", sink.delivered[1].VideoID)
}
func TestRunOnce_SkipsAlreadySummarized(t *testing.T) {
src := &fakeSource{
subs: []domain.Subscription{sub("chan1", "Channel One")},
videos: map[string][]domain.Video{"chan1": {vid("v1", "Video 1"), vid("v2", "Video 2")}},
}
// v1 was summarized in a prior run (durable seen set).
st := &fakeStore{seen: map[string]bool{"id-v1": true}, auto: true}
sink := &recordingSink{}
eng := usecase.NewEngine(src, fakeSummarizer{}, sink)
r := runner.New(src, st, eng, testUser, quietLogger())
stats, err := r.RunOnce(context.Background())
require.NoError(t, err)
require.Equal(t, 1, stats.SkippedSeen)
require.Equal(t, 1, stats.Summarized)
require.Len(t, sink.delivered, 1)
require.Equal(t, "id-v2", sink.delivered[0].VideoID, "only the unseen video is summarized")
}
func TestRunOnce_SkipsVideosWithoutTranscript(t *testing.T) {
src := &fakeSource{
subs: []domain.Subscription{sub("chan1", "Channel One")},
videos: map[string][]domain.Video{"chan1": {vid("v1", "Video 1")}},
transcripts: map[string]domain.Transcript{"v1": {Source: domain.SourceNone}},
}
st := &fakeStore{seen: map[string]bool{}, auto: true}
sink := &recordingSink{}
eng := usecase.NewEngine(src, fakeSummarizer{}, sink)
r := runner.New(src, st, eng, testUser, quietLogger())
stats, err := r.RunOnce(context.Background())
require.NoError(t, err)
require.Equal(t, 1, stats.SkippedNoText)
require.Equal(t, 0, stats.Summarized)
require.Empty(t, sink.delivered, "no summary delivered when there is no transcript")
}
func TestRunOnce_ManualMode_SkipsUnrequested(t *testing.T) {
src := &fakeSource{
subs: []domain.Subscription{sub("chan1", "Channel One")},
videos: map[string][]domain.Video{"chan1": {vid("v1", "Video 1"), vid("v2", "Video 2")}},
}
// Manual mode, nothing queued: discover (upsert) but summarize nothing.
st := &fakeStore{seen: map[string]bool{}, auto: false, requested: map[string]bool{}}
sink := &recordingSink{}
eng := usecase.NewEngine(src, fakeSummarizer{}, sink)
r := runner.New(src, st, eng, testUser, quietLogger())
stats, err := r.RunOnce(context.Background())
require.NoError(t, err)
require.Equal(t, 2, stats.Candidates)
require.Equal(t, 2, stats.SkippedManual, "manual mode skips unqueued videos")
require.Equal(t, 0, stats.Summarized)
require.Empty(t, sink.delivered, "no summary in manual mode without a request")
require.Len(t, st.upserted, 2, "discovery still persists every candidate")
}
func TestRunOnce_ManualMode_ProcessesRequested(t *testing.T) {
src := &fakeSource{
subs: []domain.Subscription{sub("chan1", "Channel One")},
videos: map[string][]domain.Video{"chan1": {vid("v1", "Video 1"), vid("v2", "Video 2")}},
}
// Manual mode, v1 queued (by store id). Only v1 is summarized; its flag clears.
st := &fakeStore{seen: map[string]bool{}, auto: false, requested: map[string]bool{"id-v1": true}}
sink := &recordingSink{}
eng := usecase.NewEngine(src, fakeSummarizer{}, sink)
r := runner.New(src, st, eng, testUser, quietLogger())
stats, err := r.RunOnce(context.Background())
require.NoError(t, err)
require.Equal(t, 1, stats.Summarized, "only the queued video is summarized")
require.Equal(t, 1, stats.SkippedManual, "the unqueued video is skipped")
require.Len(t, sink.delivered, 1)
require.Equal(t, "id-v1", sink.delivered[0].VideoID)
require.Equal(t, []string{"id-v1"}, st.cleared, "the queue flag is cleared after summarizing")
}
// noFetchSource fails the test if a transcript fetch happens — used to prove the
// runner skips a rate-limited video before touching the caption endpoint.
type noFetchSource struct{ *fakeSource }
func (noFetchSource) FetchTranscript(context.Context, domain.Video) (domain.Transcript, error) {
panic("FetchTranscript must not be called for a rate-limited video within the backoff window")
}
func TestRunOnce_SkipsRateLimitedWithinBackoff(t *testing.T) {
base := time.Date(2026, 6, 3, 12, 0, 0, 0, time.UTC)
src := &fakeSource{
subs: []domain.Subscription{sub("chan1", "Channel One")},
videos: map[string][]domain.Video{"chan1": {vid("v1", "Video 1")}},
}
// v1 was rate-limited 5m ago; backoff is 1h, so it is still inside the window.
st := &fakeStore{
seen: map[string]bool{},
auto: true,
rateLimited: map[string]time.Time{"id-v1": base.Add(-5 * time.Minute)},
}
eng := usecase.NewEngine(noFetchSource{src}, fakeSummarizer{}, &recordingSink{})
r := runner.New(noFetchSource{src}, st, eng, testUser, quietLogger(),
runner.WithBackoff(time.Hour), runner.WithClock(func() time.Time { return base }))
stats, err := r.RunOnce(context.Background())
require.NoError(t, err)
require.Equal(t, 1, stats.SkippedRateLimited, "still throttled -> skipped")
require.Equal(t, 0, stats.Summarized)
require.Empty(t, st.statuses, "no status write: the engine was never invoked")
}
func TestRunOnce_RetriesRateLimitedAfterBackoff(t *testing.T) {
base := time.Date(2026, 6, 3, 12, 0, 0, 0, time.UTC)
src := &fakeSource{
subs: []domain.Subscription{sub("chan1", "Channel One")},
videos: map[string][]domain.Video{"chan1": {vid("v1", "Video 1")}},
}
// v1 was rate-limited 2h ago; backoff is 1h, so the window has expired.
st := &fakeStore{
seen: map[string]bool{},
auto: true,
rateLimited: map[string]time.Time{"id-v1": base.Add(-2 * time.Hour)},
}
sink := &recordingSink{}
eng := usecase.NewEngine(src, fakeSummarizer{}, sink)
r := runner.New(src, st, eng, testUser, quietLogger(),
runner.WithBackoff(time.Hour), runner.WithClock(func() time.Time { return base }))
stats, err := r.RunOnce(context.Background())
require.NoError(t, err)
require.Equal(t, 0, stats.SkippedRateLimited, "window expired -> not skipped")
require.Equal(t, 1, stats.Summarized, "the video is retried and summarized")
require.Len(t, sink.delivered, 1)
require.Equal(t, "fetched", st.statuses["id-v1"], "status advances to fetched on success")
}
func TestRunOnce_UpsertsEveryCandidate(t *testing.T) {
src := &fakeSource{
subs: []domain.Subscription{sub("chan1", "Channel One")},
videos: map[string][]domain.Video{"chan1": {vid("v1", "Video 1"), vid("v2", "Video 2")}},
}
// Even an already-seen video gets upserted so its metadata stays fresh.
st := &fakeStore{seen: map[string]bool{"id-v1": true}, auto: true}
eng := usecase.NewEngine(src, fakeSummarizer{}, &recordingSink{})
r := runner.New(src, st, eng, testUser, quietLogger())
_, err := r.RunOnce(context.Background())
require.NoError(t, err)
require.Len(t, st.upserted, 2, "every candidate is upserted, including seen ones")
}