Files
parasocial/internal/app/app_test.go

73 lines
2.2 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"
"testing"
"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
errs map[string]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.errs[login]; ok {
return nil, err
}
return f.channels[login], nil
}
// 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"},
},
errs: map[string]error{
"beta": errors.New("lookup failed"),
},
}
var updates []tui.StreamerUpdate
err := resolveStreamerEntries(context.Background(), service, []string{"alpha", "beta"}, func(update tui.StreamerUpdate) {
updates = append(updates, update)
})
if err != nil {
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" {
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])
}
}