watch-party/backend/internal/service/episode_service_test.go

290 lines
8.0 KiB
Go

package service_test
import (
"context"
"errors"
"testing"
"time"
"watch-party-backend/internal/core/episode"
"watch-party-backend/internal/service"
)
// ---- test fakes ----
type fakeRepo struct {
cur episode.Episode
getErr error
setErr error
moveRes episode.MoveResult
moveErr error
setCalls []struct {
id int64
start string
}
moveCalls [][]int64
listRes []episode.Episode
listErr error
createRes episode.Episode
createErr error
createIn []episode.NewShowInput
archiveRes []episode.ArchiveEpisode
archiveErr error
}
func (f *fakeRepo) GetCurrent(ctx context.Context) (episode.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) (episode.MoveResult, error) {
f.moveCalls = append(f.moveCalls, ids)
return f.moveRes, f.moveErr
}
func (f *fakeRepo) ListAll(ctx context.Context) ([]episode.Episode, error) {
return f.listRes, f.listErr
}
func (f *fakeRepo) ListArchive(ctx context.Context) ([]episode.ArchiveEpisode, error) {
return f.archiveRes, f.archiveErr
}
func (f *fakeRepo) Delete(ctx context.Context, id int64) error {
return nil
}
func (f *fakeRepo) Create(ctx context.Context, in episode.NewShowInput) (episode.Episode, error) {
f.createIn = append(f.createIn, in)
return f.createRes, f.createErr
}
// ---- tests ----
func TestEpisodeService_GetCurrent_OK(t *testing.T) {
now := time.Now().UTC()
fr := &fakeRepo{
cur: episode.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, episode.ErrInvalidStartTime) {
t.Fatalf("expected ErrInvalidStartTime, 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: episode.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, episode.ErrEmptyIDs) {
t.Fatalf("expected ErrEmptyIDs, got %v", err)
}
}
func TestEpisodeService_MoveToArchive_DedupAndOK(t *testing.T) {
fr := &fakeRepo{
moveRes: episode.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)
}
}
func TestEpisodeService_ListAll_OK(t *testing.T) {
fr := &fakeRepo{listRes: []episode.Episode{{Id: 3}, {Id: 1}}}
svc := service.NewEpisodeService(fr)
got, err := svc.ListAll(context.Background())
if err != nil {
t.Fatalf("unexpected: %v", err)
}
if len(got) != 2 || got[0].Id != 3 {
t.Fatalf("bad: %+v", got)
}
}
func TestEpisodeService_ListAll_Error(t *testing.T) {
fr := &fakeRepo{listErr: errors.New("boom")}
svc := service.NewEpisodeService(fr)
if _, err := svc.ListAll(context.Background()); err == nil {
t.Fatal("expected error")
}
}
func TestEpisodeService_ListArchive(t *testing.T) {
fr := &fakeRepo{
archiveRes: []episode.ArchiveEpisode{{Id: 1}, {Id: 2}},
}
svc := service.NewEpisodeService(fr)
got, err := svc.ListArchive(context.Background())
if err != nil {
t.Fatalf("unexpected: %v", err)
}
if len(got) != 2 || got[0].Id != 1 {
t.Fatalf("bad archive list: %+v", got)
}
}
func TestEpisodeService_ListArchive_Error(t *testing.T) {
fr := &fakeRepo{archiveErr: errors.New("down")}
svc := service.NewEpisodeService(fr)
if _, err := svc.ListArchive(context.Background()); err == nil {
t.Fatal("expected error")
}
}
func TestEpisodeService_Create_Validation(t *testing.T) {
tests := []struct {
name string
in episode.NewShowInput
want error
}{
{
name: "bad ep num",
in: episode.NewShowInput{EpNum: 0, EpTitle: "x", SeasonName: "S1", StartTime: "10:00:00", PlaybackLength: "00:24:00"},
want: episode.ErrInvalidShowInput,
},
{
name: "blank title",
in: episode.NewShowInput{EpNum: 1, EpTitle: " ", SeasonName: "S1", StartTime: "10:00:00", PlaybackLength: "00:24:00"},
want: episode.ErrInvalidShowInput,
},
{
name: "bad start",
in: episode.NewShowInput{EpNum: 1, EpTitle: "x", SeasonName: "S1", StartTime: "1:0:0", PlaybackLength: "00:24:00"},
want: episode.ErrInvalidStartTime,
},
{
name: "bad playback format",
in: episode.NewShowInput{EpNum: 1, EpTitle: "x", SeasonName: "S1", StartTime: "10:00:00", PlaybackLength: "24:00"},
want: episode.ErrInvalidPlayback,
},
{
name: "zero playback",
in: episode.NewShowInput{EpNum: 1, EpTitle: "x", SeasonName: "S1", StartTime: "10:00:00", PlaybackLength: "00:00:00"},
want: episode.ErrInvalidPlayback,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
svc := service.NewEpisodeService(&fakeRepo{})
if _, err := svc.Create(context.Background(), tt.in); !errors.Is(err, tt.want) {
t.Fatalf("expected %v, got %v", tt.want, err)
}
})
}
}
func TestEpisodeService_Create_OK(t *testing.T) {
want := episode.Episode{Id: 10, EpNum: 1, EpTitle: "Pilot", StartTime: "10:00:00", PlaybackLength: "00:24:00"}
fr := &fakeRepo{createRes: want}
svc := service.NewEpisodeService(fr)
got, err := svc.Create(context.Background(), episode.NewShowInput{
EpNum: 1,
EpTitle: "Pilot",
SeasonName: "S1",
StartTime: "10:00:00",
PlaybackLength: "00:24:00",
})
if err != nil {
t.Fatalf("unexpected: %v", err)
}
if got.Id != want.Id || len(fr.createIn) != 1 {
t.Fatalf("repo not called or bad id: %+v, calls=%d", got, len(fr.createIn))
}
if fr.createIn[0].EpTitle != "Pilot" || fr.createIn[0].EpNum != 1 {
t.Fatalf("bad input passed: %+v", fr.createIn[0])
}
}
func TestEpisodeService_Create_DefaultStartTime(t *testing.T) {
fr := &fakeRepo{createRes: episode.Episode{StartTime: "22:00:00"}}
svc := service.NewEpisodeService(fr)
_, err := svc.Create(context.Background(), episode.NewShowInput{
EpNum: 1,
EpTitle: "Pilot",
SeasonName: "S1",
StartTime: "",
PlaybackLength: "00:24:00",
})
if err != nil {
t.Fatalf("unexpected: %v", err)
}
if len(fr.createIn) != 1 || fr.createIn[0].StartTime != "22:00:00" {
t.Fatalf("expected default start time, got %+v", fr.createIn)
}
}