Question 1

How do I set up Green Coffee in an Android project?

Accepted Answer

Add the JitPack repository and dependencies in build.gradle, then configure the test instrumentation runner. The README provides specific Gradle snippets for both root and module files to integrate it seamlessly.

Question 2

Green Coffee vs Cucumber for Android: which is better?

Accepted Answer

Green Coffee integrates directly with Android instrumentation tests without extra runners, while Cucumber often requires additional setup. Green Coffee is more native but has a smaller ecosystem than Cucumber.

Question 3

How to write step definitions in Green Coffee?

Accepted Answer

Create a class extending GreenCoffeeSteps and annotate methods with @Given, @When, or @Then, matching the Gherkin steps using regex patterns, as shown in the LoginSteps example with method implementations.

Question 4

Can Green Coffee be used with Jetpack Compose?

Accepted Answer

Yes, but it relies on View-based interactions; for Compose, you may need to adapt step definitions to use Compose testing APIs, which could require additional work and isn't explicitly documented.

Question 5

How to run Green Coffee tests on multiple devices?

Accepted Answer

Use standard Android instrumentation test runners to manage emulators or connected devices; Green Coffee doesn't add device-specific features, so rely on Android Studio or Gradle for parallel execution.

Question 6

What are common pitfalls with Green Coffee?

Accepted Answer

Managing step definition reuse across features and handling flaky tests due to UI synchronization; following BDD best practices and using Espresso's idling resources can mitigate these issues.

Green Coffee

What is Green Coffee?

Overview

Use Cases

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Pros & Cons

Pros

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Frequently Asked Questions