Mock Android TextUtils

AndroidTextUtilsMockTest.java

import android.text.TextUtils;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import static org.mockito.Matchers.any;
import static org.mockito.Mockito.when;
import static org.powermock.api.mockito.PowerMockito.mockStatic;

/**
 * Created by hani on 3/30/17.
 */

@RunWith(PowerMockRunner.class)
@PrepareForTest(TextUtils.class)
public class SortPointerHelperTest {

  @Before
  public void mockTextUtils() {
    mockStatic(TextUtils.class);
    when(TextUtils.isEmpty(any(CharSequence.class))).thenAnswer(new Answer<Boolean>() {
      @Override
      public Boolean answer(InvocationOnMock invocation) throws Throwable {
        CharSequence str = invocation.getArgumentAt(0, CharSequence.class);
        return str == null || str.length() == 0;
      }
    });
  }


  @Test
  public void mytest() {

  }
}