platform/android/MapboxGLAndroidSDKTestApp/src/androidTest/java/com/mapbox/mapboxsdk/testapp/feature/QueryRenderedFeaturesPropertiesTest.java


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package com.mapbox.mapboxsdk.testapp.feature;

import android.graphics.PointF;
import android.support.test.espresso.ViewAction;
import android.support.test.espresso.action.GeneralClickAction;
import android.support.test.espresso.action.Press;
import android.support.test.espresso.action.Tap;

import com.mapbox.mapboxsdk.geometry.LatLng;
import com.mapbox.mapboxsdk.testapp.R;
import com.mapbox.mapboxsdk.testapp.activity.BaseActivityTest;
import com.mapbox.mapboxsdk.testapp.activity.feature.QueryRenderedFeaturesPropertiesActivity;

import org.junit.Ignore;
import org.junit.Test;

import static android.support.test.espresso.Espresso.onView;
import static android.support.test.espresso.assertion.ViewAssertions.matches;
import static android.support.test.espresso.matcher.ViewMatchers.isDisplayed;
import static android.support.test.espresso.matcher.ViewMatchers.withId;
import static android.support.test.espresso.matcher.ViewMatchers.withText;

/**
 * Instrumentation test to validate if clicking center of screen returns the correct features.
 */
public class QueryRenderedFeaturesPropertiesTest extends BaseActivityTest {

  @Override
  protected Class getActivityClass() {
    return QueryRenderedFeaturesPropertiesActivity.class;
  }

  @Test
  @Ignore
  public void testCountFeatures() {
    LatLng centerScreen = mapboxMap.getCameraPosition().target;
    PointF centerPixel = mapboxMap.getProjection().toScreenLocation(centerScreen);
    onView(withId(R.id.mapView)).perform(clickXY(centerPixel.x, centerPixel.y));
    onView(withText("Found 4 features")).check(matches(isDisplayed()));
  }

  private static ViewAction clickXY(final float x, final float y) {
    return new GeneralClickAction(
      Tap.SINGLE,
      view -> {
        final int[] screenPos = new int[2];
        view.getLocationOnScreen(screenPos);
        final float screenX = screenPos[0] + x;
        final float screenY = screenPos[1] + y;
        return new float[] {screenX, screenY};
      },
      Press.FINGER);
  }
}