MapViewTest.java

public class MapViewTest {

  // ...

  @Test public void shouldInflateLayoutWithOverlayModeSdk() throws Exception {
    Context context = mock(Context.class);
    TypedArray typedArray = mock(TypedArray.class);
    TestLayoutInflater layoutInflater = new TestLayoutInflater(context);
    initMockAttributes(context, typedArray, layoutInflater, OVERLAY_MODE_SDK);

    MapView mapView = new MapView(context, mock(AttributeSet.class));

    assertThat(layoutInflater.getResId()).isEqualTo(R.layout.mz_view_map);
    assertThat(layoutInflater.getRoot()).isEqualTo(mapView);
  }

  @Test public void shouldInflateLayoutWithOverlayModeClassic() throws Exception {
    Context context = mock(Context.class);
    TypedArray typedArray = mock(TypedArray.class);
    TestLayoutInflater layoutInflater = new TestLayoutInflater(context);
    initMockAttributes(context, typedArray, layoutInflater, OVERLAY_MODE_CLASSIC);

    MapView mapView = new MapView(context, mock(AttributeSet.class));

    assertThat(layoutInflater.getResId()).isEqualTo(R.layout.mz_view_map_classic);
    assertThat(layoutInflater.getRoot()).isEqualTo(mapView);
  }

  private void initMockAttributes(Context context, TypedArray typedArray,
      TestLayoutInflater layoutInflater, int overlayMode) {
    when(context.obtainStyledAttributes(any(AttributeSet.class), eq(R.styleable.MapView)))
        .thenReturn(typedArray);
    when(context.getSystemService(Context.LAYOUT_INFLATER_SERVICE))
        .thenReturn(layoutInflater);
    when(typedArray.getInteger(R.styleable.MapView_overlayMode, OVERLAY_MODE_SDK))
        .thenReturn(overlayMode);
  }
}