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How to run android instrumental test using `androidx` and `navgation architecture`?


How to run android instrumental test using `androidx` and `navgation architecture`?

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How to run android instrumental test using `androidx` and `navgation architecture`?
Tag : android , By : Chaz
Date : November 27 2020, 12:01 PM

should help you out As per the Fragment testing page, you must use debugImplementation for the fragment-testing artifact:
debugImplementation 'androidx.fragment:fragment-testing:1.2.0-alpha01'

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How to check Toolbar title in android instrumental test?


Tag : java , By : Cube_Zombie
Date : March 29 2020, 07:55 AM
this will help SOLUTION
The method is fine. As Chiu-Ki Chan wrote in her tutorial you can "pinpoint that one particular view". BUT you have to make sure you imported proper Toolbar:
import  android.support.v7.widget.Toolbar;
import android.widget.Toolbar;

How to put test data files on a device for instrumental tests?


Tag : android , By : Gipsy.D
Date : March 29 2020, 07:55 AM
Hope that helps I found the following way to do that: Create some test class which is responsible for initialization and must be ran first. To run tests in particular order I'm using the Suite class like this one:
@RunWith(Suite.class)
@Suite.SuiteClasses({TestEnvironmentInitializer.class,
        FirstTest.class,
        SecondTest.class
})
public class MyTestSuite {
}
 ./gradlew yourappmodule:connectedAndroidTest -Pandroid.testInstrumentationRunnerArguments.class=your.package.androidtest.MyTestSuite 
./gradlew yourappmodule:connectedStagingAndroidTest -Pandroid.testInstrumentationRunnerArguments.class=your.package.androidtest.MyTestSuite 
@Rule
public GrantPermissionRule runtimePermissionRule = GrantPermissionRule.grant(
        Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE);
@RunWith(AndroidJUnit4.class)
@LargeTest
public class TestEnvironmentInitializer {

    @Rule
    public GrantPermissionRule runtimePermissionRule = GrantPermissionRule.grant(
            Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.WRITE_EXTERNAL_STORAGE);


    @Test
    public void initEnvironment() {
        try {

            Context testContext = InstrumentationRegistry.getInstrumentation().getContext();


            File root = Environment.getExternalStorageDirectory();


            File testDataFolder = new File(root, "testData");

            if(testDataFolder.mkdirs()) {

                File destFile = new File(testDataFolder, "test_data.dat");
                if (!destFile.exists()) {
                    copyAssetToExternalStorage(testContext, "assetssubfolder/test_data.dat", destFile);
                }
            }

        } catch (Throwable e) {
            System.exit(-1);
        }
    }

    void copyAssetToExternalStorage(Context context, String fileToCopy, File dest) throws
            IOException {

        try (InputStream src = context.getAssets().open(fileToCopy)) {

            try (FileOutputStream destStream = new FileOutputStream(
                    dest)) {

                copyStream(src, destStream);
            }
        }
    }

    void copyStream(InputStream src, OutputStream dest) throws IOException {

        byte[] buffer = new byte[1024];
        int read;
        while ((read = src.read(buffer)) != -1) {
            dest.write(buffer, 0, read);
        }
    }
}

How to log or print in Android Instrumental Test


Tag : android , By : Comfly
Date : March 29 2020, 07:55 AM
fixed the issue. Will look into that further In Android app, we could log out using , Just use the normal
Log.d(TAG, message)

In which AndroidX library is the androidx.test.annotation package located?


Tag : android , By : Bart van Bragt
Date : March 29 2020, 07:55 AM
Hope this helps Simple question: , It is in androidx.test:rules:
androidTestImplementation 'androidx.test:rules:1.2.0'

Simple MVVM architecture on Android with AndroidX on Java


Tag : java , By : dlouzan
Date : March 29 2020, 07:55 AM
I hope this helps you . I figure that I was not binding correctly the ViewModel from the Activity:
public class DataActivity extends AppCompatActivity {

    private DataViewModel mViewModel;
    private DataActivityBinding mBinding;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        this.mViewModel = new DataViewModel();
        this.mBinding = DataBindingUtil.setContentView(this, R.layout.data_activity);
        this.mBinding.setViewModel(this.mViewModel);
    }
}
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