Streaming App Testing Checklist (Video, Audio, Live — 2026)

Streaming apps succeed on playback reliability and fail on anything that breaks it. Buffering, DRM errors, resume-from-where-you-left-off, casting, offline downloads — each is its own failure surface.

Streaming apps succeed on playback reliability and fail on anything that breaks it. Buffering, DRM errors, resume-from-where-you-left-off, casting, offline downloads — each is its own failure surface. This is the pre-release checklist.

Playback

1. Video plays within 3 seconds of tap
2. Audio in sync with video
3. Playback controls (play, pause, seek, speed) responsive
4. Fullscreen works, orientation locks portrait or landscape
5. Picture-in-picture (PiP) supported where available
6. Closed captions toggle and render correctly
7. Multi-audio tracks (languages) selectable
8. Subtitle positioning does not cover key content

Quality adaptation

1. Starts at appropriate initial bitrate
2. Adapts to bandwidth (ABR) within 5 seconds of network change
3. Manual quality selection overrides ABR
4. Lowest-quality fallback works on 3G
5. No infinite buffering loop when bandwidth drops

Resume

1. Resume from last position on reopen
2. Cross-device resume (start on phone, continue on TV)
3. Watchlist / continue-watching row updates correctly
4. Progress syncs in real time (not batched at end)

Casting

1. Chromecast / AirPlay detection works
2. Cast while playing transitions seamlessly
3. Volume / play controls propagate to cast device
4. Stop casting returns to in-app playback

Offline downloads

1. Download quality selectable
2. Download progress visible
3. Download cancellable, resumable
4. Downloaded content plays offline
5. Downloads expire per license (user notified before expiry)
6. Storage full — download fails gracefully

Live

1. Live stream starts within 5 seconds
2. Live drift minimal (<10 seconds vs true live)
3. DVR / rewind on live (if supported)
4. Reconnect on network drop without full restart
5. Chat / reactions (if live-social) render in real time

DRM

1. Content plays on supported devices
2. DRM error clear ("This content not supported on your device")
3. Rooted / jailbroken device handling per licensing
4. Widevine / FairPlay license renewal mid-playback works
5. Offline license acquisition for downloads

Audio-specific

1. Background playback works (app minimized)
2. Headphone unplug pauses playback
3. Bluetooth audio switch transitions smoothly
4. Lock screen controls (play, skip, seek) functional
5. CarPlay / Android Auto integration
6. Sleep timer pauses at end of track/episode

Content discovery

1. Home rows load within 3 seconds
2. Personalized recommendations relevant
3. Search finds content by title, actor, genre
4. Genre filter works
5. New releases clearly marked
6. Trending / popular accurate

Subscription / paywall

1. Trial / subscription flow clear
2. Free content accessible without login
3. Premium gate shown clearly
4. Restore purchases on re-install
5. Downgrade / upgrade mid-subscription handled
6. Family sharing / multi-profile works

Profile / parental control

1. Profile switch immediate
2. Kids profile restricts content appropriately
3. Parental PIN required for mature content (per region)
4. Continue-watching isolated per profile

Accessibility

1. Captions customizable (size, color, background)
2. Audio description track available where provided
3. Screen reader navigates rows and tiles
4. Touch targets on controls ≥ 48dp, larger preferred
5. Pause / resume announced
6. Keyboard navigation on TV / web

Performance

1. CPU / battery reasonable during playback (<15% per hour for SD)
2. No memory leak over multi-hour session
3. Startup cold start under 2s on mid-tier devices
4. Thermal throttling graceful (reduces bitrate, not crashes)

Edge cases

1. Swap between Wi-Fi and cellular mid-playback
2. App backgrounded mid-playback, returned — resumes
3. Incoming call pauses playback cleanly
4. Multiple simultaneous streams (if disallowed) enforced server-side
5. Geo-restriction enforced (content not available in region)
6. Subtitles for non-Latin scripts (CJK, Arabic, Hindi) render

How SUSA tests streaming

impatient persona times playback start (fails on slow start). Network_tester runs 2G / packet loss / offline to verify ABR and error handling. Accessibility_user persona checks caption and VO support.

susatest-agent test streaming.apk --persona impatient --network slow_network_2g --steps 100

Common bugs

• Playback starts at max quality on slow network → 10-second rebuffer
• Resume position 2 minutes off due to client-side clock drift
• Cast stops on app background (should continue)
• Downloads invalidated on every app restart
• Captions render behind scrub bar

Streaming QA is continuous — network conditions and device matrix both matter.