PowerMockTest.java

/*
 * Copyright 2011 Henry Coles
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and limitations under the License.
 */
package com.example;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PowerMockIgnore;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;

import static org.junit.Assert.assertEquals;

@RunWith(PowerMockRunner.class)
@PrepareForTest({ PowerMockFoo.class, PowerMockCallsOwnMethod.class })
@PowerMockIgnore("org.pitest.*")
public class PowerMockTest {

  @Test
  public void testReplaceStaticCallToOtherClass() {
    PowerMockito.mockStatic(PowerMockFoo.class);

    new PowerMockCallFoo().call();

    PowerMockito.verifyStatic();
    PowerMockFoo.foo();

  }

  @Test
  public void testReplaceStaticCallToMutatedClass() {
    PowerMockito.mockStatic(PowerMockCallsOwnMethod.class);

    new PowerMockCallsOwnMethod().call();

    PowerMockito.verifyStatic();
    PowerMockCallsOwnMethod.foo();

  }
  
  @Test
  public void testMutationInBranchedCode() {
    PowerMockCallsOwnMethod testee = new PowerMockCallsOwnMethod();
    assertEquals(10,testee.branchedCode(0));
    assertEquals(12,testee.branchedCode(2));
    assertEquals(11,testee.branchedCode(1));
  }

}