react-native-navigation/lib/android/app/src/test/java/com/reactnativenavigation/BaseTest.java

package com.reactnativenavigation;

import android.app.*;
import android.support.v7.app.*;
import android.view.*;

import org.junit.*;
import org.junit.runner.*;
import org.robolectric.*;
import org.robolectric.annotation.*;

import static org.assertj.core.api.Java6Assertions.*;

@RunWith(RobolectricTestRunner.class)
@Config(sdk = 27, application = TestApplication.class)
public abstract class BaseTest {
	@Before
	public void beforeEach() {
		//
	}

	@After
	public void afterEach() {
		//
	}

	public Activity newActivity() {
		return Robolectric.setupActivity(AppCompatActivity.class);
	}

	public void assertIsChildById(ViewGroup parent, View child) {
		assertThat(parent).isNotNull();
		assertThat(child).isNotNull();
		assertThat(child.getId()).isNotZero().isPositive();
		assertThat(parent.findViewById(child.getId())).isNotNull().isEqualTo(child);
	}

	public void assertNotChildOf(ViewGroup parent, View child) {
		assertThat(parent).isNotNull();
		assertThat(child).isNotNull();
		assertThat(child.getId()).isNotZero().isPositive();
		assertThat(parent.findViewById(child.getId())).isNull();
	}
}