watch-party/backend/internal/service/episode_service_test.go
2025-11-05 00:13:47 +09:00

144 lines
3.5 KiB
Go

package service_test
import (
"context"
"errors"
"testing"
"time"
"watch-party-backend/internal/repo"
"watch-party-backend/internal/service"
)
// ---- test fakes ----
type fakeRepo struct {
cur repo.Episode
getErr error
setErr error
moveRes repo.MoveResult
moveErr error
setCalls []struct {
id int64
start string
}
moveCalls [][]int64
}
func (f *fakeRepo) GetCurrent(ctx context.Context) (repo.Episode, error) {
return f.cur, f.getErr
}
func (f *fakeRepo) SetCurrent(ctx context.Context, id int64, start string) error {
f.setCalls = append(f.setCalls, struct {
id int64
start string
}{id, start})
return f.setErr
}
func (f *fakeRepo) MoveToArchive(ctx context.Context, ids []int64) (repo.MoveResult, error) {
f.moveCalls = append(f.moveCalls, ids)
return f.moveRes, f.moveErr
}
// ---- tests ----
func TestEpisodeService_GetCurrent_OK(t *testing.T) {
now := time.Now().UTC()
fr := &fakeRepo{
cur: repo.Episode{
EpNum: 1,
EpTitle: "Pilot",
SeasonName: "S1",
StartTime: "20:00:00",
PlaybackLength: "00:24:00",
DateCreated: now,
},
}
svc := service.NewEpisodeService(fr)
got, err := svc.GetCurrent(context.Background())
if err != nil {
t.Fatalf("unexpected err: %v", err)
}
if got.EpNum != 1 || got.EpTitle != "Pilot" {
t.Fatalf("got %+v", got)
}
}
func TestEpisodeService_GetCurrent_PropagatesError(t *testing.T) {
fr := &fakeRepo{getErr: errors.New("db down")}
svc := service.NewEpisodeService(fr)
if _, err := svc.GetCurrent(context.Background()); err == nil {
t.Fatal("expected error")
}
}
func TestEpisodeService_SetCurrent_RejectsBadTime(t *testing.T) {
fr := &fakeRepo{}
svc := service.NewEpisodeService(fr)
_, err := svc.SetCurrent(context.Background(), 42, "7:0:0") // not zero-padded
if err == nil || !errors.Is(err, service.ErrInvalidTime) {
t.Fatalf("expected ErrInvalidTime, got %v", err)
}
if len(fr.setCalls) != 0 {
t.Fatalf("repo should not be called on invalid time")
}
}
func TestEpisodeService_SetCurrent_OK(t *testing.T) {
now := time.Now().UTC()
fr := &fakeRepo{
cur: repo.Episode{
EpNum: 42,
EpTitle: "Answer",
SeasonName: "S1",
StartTime: "21:07:05",
PlaybackLength: "00:24:00",
DateCreated: now,
},
}
svc := service.NewEpisodeService(fr)
got, err := svc.SetCurrent(context.Background(), 42, "21:07:05")
if err != nil {
t.Fatalf("unexpected err: %v", err)
}
if got.EpNum != 42 || got.StartTime != "21:07:05" {
t.Fatalf("unexpected %+v", got)
}
if len(fr.setCalls) != 1 || fr.setCalls[0].id != 42 || fr.setCalls[0].start != "21:07:05" {
t.Fatalf("repo.SetCurrent not called as expected: %+v", fr.setCalls)
}
}
func TestEpisodeService_MoveToArchive_EmptyIDs(t *testing.T) {
fr := &fakeRepo{}
svc := service.NewEpisodeService(fr)
_, err := svc.MoveToArchive(context.Background(), nil)
if err == nil || !errors.Is(err, service.ErrEmptyIDs) {
t.Fatalf("expected ErrEmptyIDs, got %v", err)
}
}
func TestEpisodeService_MoveToArchive_DedupAndOK(t *testing.T) {
fr := &fakeRepo{
moveRes: repo.MoveResult{
MovedIDs: []int64{1, 2},
DeletedIDs: []int64{1, 2},
SkippedIDs: []int64{999},
},
}
svc := service.NewEpisodeService(fr)
res, err := svc.MoveToArchive(context.Background(), []int64{1, 2, 1}) // dedupe
if err != nil {
t.Fatalf("unexpected: %v", err)
}
if len(fr.moveCalls) != 1 || len(fr.moveCalls[0]) != 2 {
t.Fatalf("expected deduped call, got %+v", fr.moveCalls)
}
if len(res.MovedIDs) != 2 || len(res.DeletedIDs) != 2 {
t.Fatalf("unexpected response: %+v", res)
}
}