/**
* The MIT License
* Copyright (c) 2014-2016 Ilkka Seppälä
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.iluwatar.visitor;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.verifyNoMoreInteractions;
import java.util.Arrays;
import java.util.function.Function;
import org.junit.Test;
/**
* Date: 12/30/15 - 18:59 PM
* Test related to Units
* @param <U> Type of Unit
* @author Jeroen Meulemeester
*/
public abstract class UnitTest<U extends Unit> {
/**
* Factory to create new instances of the tested unit
*/
private final Function<Unit[], U> factory;
/**
* Create a new test instance for the given unit type {@link U}
*
* @param factory Factory to create new instances of the tested unit
*/
public UnitTest(final Function<Unit[], U> factory) {
this.factory = factory;
}
@Test
public void testAccept() throws Exception {
final Unit[] children = new Unit[5];
Arrays.setAll(children, (i) -> mock(Unit.class));
final U unit = this.factory.apply(children);
final UnitVisitor visitor = mock(UnitVisitor.class);
unit.accept(visitor);
verifyVisit(unit, visitor);
for (final Unit child : children) {
verify(child).accept(eq(visitor));
}
verifyNoMoreInteractions(children);
verifyNoMoreInteractions(visitor);
}
/**
* Verify if the correct visit method is called on the mock, depending on the tested instance
*
* @param unit The tested unit instance
* @param mockedVisitor The mocked {@link UnitVisitor} who should have gotten a visit by the unit
*/
abstract void verifyVisit(final U unit, final UnitVisitor mockedVisitor);
}