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@up1
Last active February 12, 2021 17:13
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Android Testing :: Custom View with Robolectric
dependencies {
...
testCompile "org.robolectric:robolectric:3.1.1"
...
}
<?xml version="1.0" encoding="utf-8"?>
<com.workshop.customviewdemo.view.LoadingView
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="wrap_content">
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/loading_view_spinner"
android:visibility="visible"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:gravity="center"
android:padding="10dip"
>
<ProgressBar
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Loading..."
android:paddingLeft="10dip"
/>
</LinearLayout>
<TextView
android:id="@+id/loading_text_view"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:visibility="invisible"
/>
</com.workshop.customviewdemo.view.LoadingView>
public class LoadingView extends RelativeLayout {
public LoadingView(Context context) {
super(context);
}
public LoadingView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public LoadingView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public void stopLoadingAndSetText(int resourceId) {
TextView textView = (TextView) findViewById(R.id.loading_text_view);
textView.setText(resourceId);
textView.setVisibility(View.VISIBLE);
findViewById(R.id.loading_view_spinner).setVisibility(View.GONE);
}
}
@RunWith(RobolectricTestRunner.class)
@Config(constants = BuildConfig.class, sdk = 21)
public class LoadingViewTest {
private LoadingView loadingView;
private View loadingSpinner;
private TextView loadingTextView;
@Before
public void setUp() throws Exception {
ActivityController<Activity> activityController = Robolectric.buildActivity(Activity.class);
loadingView = (LoadingView) LayoutInflater.from(activityController.get()).inflate(R.layout.loading_view, null);
loadingSpinner = loadingView.findViewById(R.id.loading_view_spinner);
loadingTextView = (TextView) loadingView.findViewById(R.id.loading_text_view);
}
}
@RunWith(RobolectricTestRunner.class)
@Config(constants = BuildConfig.class, sdk = 21)
public class LoadingViewTest {
...
@Test
public void testStopLoadingAndSetTextShouldHideTheSpinnerAndShowTheTextView() throws Exception {
assertThat(loadingSpinner.getVisibility(), equalTo(View.VISIBLE));
assertThat(loadingTextView.getVisibility(), equalTo(View.INVISIBLE));
loadingView.stopLoadingAndSetText(R.string.unit_tests_ftw);
assertThat(loadingSpinner.getVisibility(), equalTo(View.GONE));
assertThat(loadingTextView.getVisibility(), equalTo(View.VISIBLE));
}
}
@RunWith(RobolectricTestRunner.class)
@Config(constants = BuildConfig.class, sdk = 21)
public class LoadingViewTest {
...
@Test
public void testStopLoadingAndSEtTextShouldSetTheTextOnTheTextView() {
loadingView.stopLoadingAndSetText(R.string.unit_tests_ftw);
assertThat((String) loadingTextView.getText(), equalTo("Unit Tests FTW!!!"));
}
}
@up1
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up1 commented Jun 26, 2020

improved

Still in progress

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