Files
parasocial/internal/app/app_test.go

289 lines
8.2 KiB
Go

// app_test.go covers the app-layer orchestration around Twitch viewer and streamer resolution.
// It exercises the background resolution loop independently of Bubble Tea startup
// so the app wiring can be validated without requiring a full interactive session.
package app
import (
"context"
"errors"
"reflect"
"testing"
"time"
"parasocial/internal/auth"
"parasocial/internal/irc"
"parasocial/internal/tui"
"parasocial/internal/twitch"
)
// fakeStreamerService is a test double for the app's Twitch resolution dependency.
type fakeStreamerService struct {
viewer *twitch.Viewer
viewerErr error
channels map[string]*twitch.Channel
resolveErrs map[string]error
streams map[string][]streamResult
streamCalls map[string]int
playbackErr map[string]error
}
type streamResult struct {
info *twitch.StreamInfo
err error
}
// CurrentUser returns the configured fake viewer or viewer error.
func (f *fakeStreamerService) CurrentUser(context.Context) (*twitch.Viewer, error) {
if f.viewerErr != nil {
return nil, f.viewerErr
}
return f.viewer, nil
}
// ResolveStreamer returns the configured fake channel or resolution error.
func (f *fakeStreamerService) ResolveStreamer(_ context.Context, login string) (*twitch.Channel, error) {
if err, ok := f.resolveErrs[login]; ok {
return nil, err
}
return f.channels[login], nil
}
func (f *fakeStreamerService) StreamInfo(_ context.Context, channelID string) (*twitch.StreamInfo, error) {
if f.streamCalls == nil {
f.streamCalls = map[string]int{}
}
call := f.streamCalls[channelID]
f.streamCalls[channelID] = call + 1
results := f.streams[channelID]
if len(results) == 0 {
return &twitch.StreamInfo{Online: false}, nil
}
if call >= len(results) {
call = len(results) - 1
}
result := results[call]
if result.err != nil {
return nil, result.err
}
return result.info, nil
}
func (f *fakeStreamerService) PlaybackAccessToken(_ context.Context, login string) (*twitch.PlaybackToken, error) {
if err, ok := f.playbackErr[login]; ok {
return nil, err
}
return &twitch.PlaybackToken{Signature: "sig", Value: "token"}, nil
}
type fakeIRCSyncer struct {
calls [][]string
}
func (f *fakeIRCSyncer) Sync(_ context.Context, _, _ string, targets []irc.Target) {
logins := make([]string, 0, len(targets))
for _, target := range targets {
logins = append(logins, target.Login)
}
f.calls = append(f.calls, logins)
}
// TestResolveStreamerEntries verifies that app resolution emits viewer, success, and error updates.
func TestResolveStreamerEntries(t *testing.T) {
t.Parallel()
service := &fakeStreamerService{
viewer: &twitch.Viewer{ID: "7", Login: "viewer"},
channels: map[string]*twitch.Channel{
"alpha": {ID: "1", Login: "alpha_live"},
},
resolveErrs: map[string]error{
"beta": errors.New("lookup failed"),
},
streams: map[string][]streamResult{
"1": {{info: &twitch.StreamInfo{Online: true}}},
},
}
var updates []tui.StreamerUpdate
err := resolveStreamerEntriesWithSleep(context.Background(), service, &auth.State{Login: "viewer", AccessToken: "token"}, []string{"alpha", "beta"}, nil, func(update tui.StreamerUpdate) {
updates = append(updates, update)
}, 0, func(context.Context, time.Duration) error {
return context.Canceled
})
if !errors.Is(err, context.Canceled) {
t.Fatal(err)
}
if len(updates) != 3 {
t.Fatalf("len(updates) = %d", len(updates))
}
if updates[0].Viewer == nil || updates[0].Viewer.Login != "viewer" {
t.Fatalf("viewer update = %#v", updates[0])
}
if updates[1].Entry == nil || updates[1].Entry.Status != twitch.StreamerReady || updates[1].Entry.Login != "alpha_live" || !updates[1].Entry.Live {
t.Fatalf("alpha update = %#v", updates[1])
}
if updates[2].Entry == nil || updates[2].Entry.Status != twitch.StreamerError {
t.Fatalf("beta update = %#v", updates[2])
}
}
func TestResolveStreamerEntriesPlaybackFailureStillMarksLive(t *testing.T) {
t.Parallel()
service := &fakeStreamerService{
viewer: &twitch.Viewer{ID: "7", Login: "viewer"},
channels: map[string]*twitch.Channel{
"alpha": {ID: "1", Login: "alpha_live"},
},
streams: map[string][]streamResult{
"1": {{info: &twitch.StreamInfo{Online: true}}},
},
playbackErr: map[string]error{
"alpha_live": errors.New("token lookup failed"),
},
}
var updates []tui.StreamerUpdate
err := resolveStreamerEntriesWithSleep(context.Background(), service, &auth.State{Login: "viewer", AccessToken: "token"}, []string{"alpha"}, nil, func(update tui.StreamerUpdate) {
updates = append(updates, update)
}, 0, func(context.Context, time.Duration) error {
return context.Canceled
})
if !errors.Is(err, context.Canceled) {
t.Fatal(err)
}
if len(updates) != 2 {
t.Fatalf("len(updates) = %d", len(updates))
}
entry := updates[1].Entry
if entry == nil || entry.Status != twitch.StreamerReady || !entry.Live {
t.Fatalf("entry = %#v", entry)
}
}
func TestResolveStreamerEntriesRefreshesLiveState(t *testing.T) {
t.Parallel()
service := &fakeStreamerService{
viewer: &twitch.Viewer{ID: "7", Login: "viewer"},
channels: map[string]*twitch.Channel{
"alpha": {ID: "1", Login: "alpha_live"},
},
streams: map[string][]streamResult{
"1": {
{info: &twitch.StreamInfo{Online: false}},
{info: &twitch.StreamInfo{Online: true}},
},
},
}
var updates []tui.StreamerUpdate
sleepCalls := 0
err := resolveStreamerEntriesWithSleep(context.Background(), service, &auth.State{Login: "viewer", AccessToken: "token"}, []string{"alpha"}, nil, func(update tui.StreamerUpdate) {
updates = append(updates, update)
}, 0, func(context.Context, time.Duration) error {
sleepCalls++
if sleepCalls == 1 {
return nil
}
return context.Canceled
})
if !errors.Is(err, context.Canceled) {
t.Fatal(err)
}
if len(updates) != 3 {
t.Fatalf("len(updates) = %d", len(updates))
}
if updates[1].Entry == nil || updates[1].Entry.Live {
t.Fatalf("first pass = %#v", updates[1])
}
if updates[2].Entry == nil || !updates[2].Entry.Live {
t.Fatalf("second pass = %#v", updates[2])
}
}
func TestResolveStreamerEntriesSyncsTopTwoLiveChannels(t *testing.T) {
t.Parallel()
service := &fakeStreamerService{
viewer: &twitch.Viewer{ID: "7", Login: "viewer"},
channels: map[string]*twitch.Channel{
"alpha": {ID: "1", Login: "alpha_live"},
"beta": {ID: "2", Login: "beta_live"},
"gamma": {ID: "3", Login: "gamma_live"},
},
streams: map[string][]streamResult{
"1": {{info: &twitch.StreamInfo{Online: true}}},
"2": {{info: &twitch.StreamInfo{Online: true}}},
"3": {{info: &twitch.StreamInfo{Online: true}}},
},
}
syncer := &fakeIRCSyncer{}
err := resolveStreamerEntriesWithSleep(context.Background(), service, &auth.State{Login: "viewer", AccessToken: "token"}, []string{"alpha", "beta", "gamma"}, syncer, func(tui.StreamerUpdate) {
}, 0, func(context.Context, time.Duration) error {
return context.Canceled
})
if !errors.Is(err, context.Canceled) {
t.Fatal(err)
}
want := [][]string{
{},
{"alpha_live"},
{"alpha_live", "beta_live"},
{"alpha_live", "beta_live"},
}
if !reflect.DeepEqual(syncer.calls, want) {
t.Fatalf("sync calls = %#v, want %#v", syncer.calls, want)
}
}
func TestResolveStreamerEntriesRefreshUpdatesWatchedChannels(t *testing.T) {
t.Parallel()
service := &fakeStreamerService{
viewer: &twitch.Viewer{ID: "7", Login: "viewer"},
channels: map[string]*twitch.Channel{
"alpha": {ID: "1", Login: "alpha_live"},
"beta": {ID: "2", Login: "beta_live"},
},
streams: map[string][]streamResult{
"1": {
{info: &twitch.StreamInfo{Online: true}},
{info: &twitch.StreamInfo{Online: false}},
},
"2": {
{info: &twitch.StreamInfo{Online: false}},
{info: &twitch.StreamInfo{Online: true}},
},
},
}
syncer := &fakeIRCSyncer{}
sleepCalls := 0
err := resolveStreamerEntriesWithSleep(context.Background(), service, &auth.State{Login: "viewer", AccessToken: "token"}, []string{"alpha", "beta"}, syncer, func(tui.StreamerUpdate) {
}, 0, func(context.Context, time.Duration) error {
sleepCalls++
if sleepCalls == 1 {
return nil
}
return context.Canceled
})
if !errors.Is(err, context.Canceled) {
t.Fatal(err)
}
want := [][]string{
{},
{"alpha_live"},
{"alpha_live"},
{},
{"beta_live"},
}
if !reflect.DeepEqual(syncer.calls, want) {
t.Fatalf("sync calls = %#v, want %#v", syncer.calls, want)
}
}