How to test Fragments in Android?

Testing Fragments in Android can be achieved using various methodologies such as unit tests, instrumentation tests, and UI tests. The Android Testing Support Library provides tools like JUnit, Espresso, and Mockito that help to create effective tests for Fragments.

Example of Testing a Fragment

Here is an example of how to test a simple Fragment using Robolectric and JUnit:


        import static org.junit.Assert.assertEquals;
        import static org.junit.Assert.assertNotNull;

        import android.os.Bundle;
        import androidx.fragment.app.Fragment;
        import androidx.test.core.app.ApplicationProvider;

        import org.junit.Before;
        import org.junit.Test;

        public class MyFragmentTest {
            private MyFragment fragment;

            @Before
            public void setUp() {
                fragment = new MyFragment();
                Bundle bundle = new Bundle();
                fragment.setArguments(bundle);
                // Setup Fragment using FragmentManager if necessary
            }

            @Test
            public void testFragmentNotNull() {
                assertNotNull("Fragment is null", fragment);
            }

            @Test
            public void testFragmentArguments() {
                Bundle args = fragment.getArguments();
                assertNotNull("Fragment arguments are null", args);
                // Add more assertions based on expected arguments
            }
        }

Android Fragments Testing JUnit Robolectric Android Testing Support Library

How to test Fragments in Android?

Example of Testing a Fragment

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How to test Fragments in Android?

Example of Testing a Fragment

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