Android new testing library update
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The
new Android Testing Support Library provides an extensive framework for testing
Android apps with espresso and Android Junit Runner with Android Studio. Now
you can be able to run test cases from Android Studio with all connected
devices. This library provides a set of APIs that allow you to quickly build
and run test code for your apps, including JUnit 4 and functional user
interface (UI) tests. You can run tests created using these APIs from
the Android Studio IDE or from the command line. There are 3 major
updates 1) Android Junit Runner. 2) Espresso. 3) Uiautomator 2.0
Android
Junit Runner:
The Android Junit
Runner class is a JUnit test runner that lets you run JUnit 3 or
JUnit 4-style test classes on Android devices, including those using
the Espresso and UI Automator testing frameworks. The test
runner handles loading your test package and the app under test to a device, running
your tests, and reporting test results. This class replaces the Instrumentation
Test Runner class, which only supports JUnit 3 tests.
Uiautomator 2.0:
The UI Automator testing framework provides a set of APIs to build UI tests that perform interactions on user apps and system apps. The UI Automator APIs allows you to perform operations such as opening the Settings menu or the app launcher in a test device. The UI Automator testing framework is well-suited for writing black box-style automated tests, where the test code does not rely on internal implementation details of the target app.
Espresso:
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The Espresso testing framework provides a set of APIs to build UI tests to test user flows within an app. These APIs let you write automated UI tests that are concise and that run reliably. Espresso is well-suited for writing white box-style automated tests, where the test code utilizes implementation code details from the app under test.
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