Who am I?
• GDG Organizer
• Android, Agile and
technology Geek
• NFC Actions App
• Mobile Developer
@fernando_cejas
http://www.fernandocejas.com/
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Agenda
• Why testing?
• Types of tests
• What to test on Android
• Tools for testing
– JUnit
– Mockito
– Robolectric
– Test Framework
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Why testing?
• Testing increases the level of
confidence in your code.
• Testing makes it possible to write new
code, and refactor existing code,
without worrying that you’ve broken
existing functionality.
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Types of Tests
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Testing on Android… Tools…
• Junit
• Mockito
• Robolectric
• Test Framework
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JUnit
• JUnit is an open source framework
that has been designed for the purpose
of writing and running unit tests in
Java.
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Mockito
• Mocking Frameworks allow us to test
the code you want, without its
dependencies.
• Mock objects can simulate the
behaviour of complex objects.
• Mock objects isolate the unit of code
you are testing.
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Code Sample
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Robolectric
• Robolectric is a unit test framework
that de-fangs the Android SDK jar so
you can test-drive the development of
your Android app.
• It rewrites Android SDK classes as
they're being loaded and making it
possible for them to run on a regular
JVM.
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Code Sample
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Android Test Framework
• Offered by the android framework.
• Needs an emulator to execute the tests
• Lets write unit, integration and
functional tests.
• Has its own mocking framework