package demo.powermock;

import static org.junit.Assert.assertFalse;
import static org.mockito.Matchers.anyInt;
import static org.mockito.Mockito.times;
import static org.mockito.Mockito.when;

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

@RunWith(PowerMockRunner.class)
@PrepareForTest(XxxUtil.class)
public class MockStaticMethodTest {
	
	@Test
	public void mockStaticMethodAndVerifyStaticMethod() {
		//prepare
		XxxService service = new XxxService();
		PowerMockito.mockStatic(XxxUtil.class);
		when(XxxUtil.isSafe(anyInt())).thenReturn(false);
		
		//action
		boolean res = service.isAllowBuy(2);
		
		//assert
		assertFalse(res);
		
		/*
		 * 提示：静态方法verify有点别扭，如下是官方示例
		 * 
		// Different from Mockito, always use PowerMockito.verifyStatic() first
        PowerMockito.verifyStatic(Mockito.times(2));
        // Use EasyMock-like verification semantic per static method invocation
        Static.firstStaticMethod(param);

        // Remember to call verifyStatic() again
        PowerMockito.verifyStatic(Mockito.never());
        Static.secondStaticMethod();
		 */
		PowerMockito.verifyStatic(times(1));
		XxxUtil.isSafe(anyInt());
 	}
	
	@Test(expected=RuntimeException.class)
	public void mockStaticMethodThrowException() {
		//prepare
		XxxService service = new XxxService();
		PowerMockito.mockStatic(XxxUtil.class);
		PowerMockito.doThrow(new RuntimeException()).when(XxxUtil.isSafe(anyInt()));
		
		//action
		service.isAllowBuy(2);
	}

}