Espresso is Awesome!
summary
Espresso is presented as the right tool for small feature tests: instrumented on-device tests that synchronize with the UI thread so there are no arbitrary sleeps and very fast feedback. It lacks built-in reporting, robust OS-level interruption simulation and visual validation, so pair it with cross‑platform, black‑box drivers (Appium / cloud labs) for end‑to‑end coverage. Perfecto offers device clouds; Facebook’s 2,000‑device rack example costs roughly $12M per year, so consider tradeoffs and parallel CI execution.
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chapters (29)
- 0:00Intro
- 1:00About Paul
- 2:16What is Espresso
- 8:29What we need
- 16:01Developer perspective
- 20:05Testing strategy
- 22:36Espresso definition
- 22:51Pros of Espresso
- 24:40Espresso vs Appium
- 26:50Its free
- 27:47Its fast
- 28:34Instrumentation
- 29:53Realness Factor
- 31:47Visual Validation
- 32:47Time Delays
- 34:02Parallel Execution
- 34:50Hardware Matters
- 35:07Adaptiv
- 36:46APKs
- 37:58Hello Seco
- 39:58The real world matters
- 40:54Crosschannel workflows matter
- 42:00Emulators
- 43:44Facebook Rack Mount
- 45:30Taking Ownership
- 46:51Exam
- 48:05Switching Platforms
- 48:45Comparison Chart
- 48:59Questions
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