EnumMockingTest.java

package samples.junit4.enummocking;

import org.junit.Assert;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import samples.enummocking.MyEnum;

import static org.easymock.EasyMock.expect;
import static org.powermock.api.easymock.PowerMock.*;

@RunWith(PowerMockRunner.class)
@PrepareForTest(MyEnum.class)
public class EnumMockingTest {

	@Test
	public void assertMockingOfStaticMethodInEnumWorks() throws Exception {
		final String expected = "something else";
		mockStatic(MyEnum.class);

		expect(MyEnum.getString()).andReturn(expected);

		replayAll();

		final String actual = MyEnum.getString();

		verifyAll();

		Assert.assertEquals(expected, actual);
	}
}