1 /* 2 * Copyright (c) 2007 Mockito contributors 3 * This program is made available under the terms of the MIT License. 4 */ 5 package org.mockito.internal.junit.util; 6 7 import java.lang.reflect.Field; 8 import org.junit.runner.notification.Failure; 9 import org.mockito.internal.exceptions.ExceptionIncludingMockitoWarnings; 10 11 @Deprecated 12 public class JUnitFailureHacker { 13 14 public void appendWarnings(Failure failure, String warnings) { 15 if (isEmpty(warnings)) { 16 return; 17 } 18 //TODO: this has to protect the use in case jUnit changes and this internal state logic fails 19 Throwable throwable = (Throwable) getInternalState(failure, "fThrownException"); 20 21 String newMessage = "contains both: actual test failure *and* Mockito warnings.\n" + 22 warnings + "\n *** The actual failure is because of: ***\n"; 23 24 ExceptionIncludingMockitoWarnings e = new ExceptionIncludingMockitoWarnings(newMessage, throwable); 25 e.setStackTrace(throwable.getStackTrace()); 26 setInternalState(failure, "fThrownException", e); 27 } 28 29 private boolean isEmpty(String warnings) { 30 return warnings == null || "".equals(warnings); // isEmpty() is in JDK 6+ 31 } 32 33 private static Object getInternalState(Object target, String field) { 34 Class<?> c = target.getClass(); 35 try { 36 Field f = getFieldFromHierarchy(c, field); 37 f.setAccessible(true); 38 return f.get(target); 39 } catch (Exception e) { 40 throw new RuntimeException("Unable to get internal state on a private field. Please report to mockito mailing list.", e); 41 } 42 } 43 44 private static void setInternalState(Object target, String field, Object value) { 45 Class<?> c = target.getClass(); 46 try { 47 Field f = getFieldFromHierarchy(c, field); 48 f.setAccessible(true); 49 f.set(target, value); 50 } catch (Exception e) { 51 throw new RuntimeException("Unable to set internal state on a private field. Please report to mockito mailing list.", e); 52 } 53 } 54 55 private static Field getFieldFromHierarchy(Class<?> clazz, String field) { 56 Field f = getField(clazz, field); 57 while (f == null && clazz != Object.class) { 58 clazz = clazz.getSuperclass(); 59 f = getField(clazz, field); 60 } 61 if (f == null) { 62 throw new RuntimeException( 63 "You want me to get this field: '" + field + 64 "' on this class: '" + clazz.getSimpleName() + 65 "' but this field is not declared within the hierarchy of this class!"); 66 } 67 return f; 68 } 69 70 private static Field getField(Class<?> clazz, String field) { 71 try { 72 return clazz.getDeclaredField(field); 73 } catch (NoSuchFieldException e) { 74 return null; 75 } 76 } 77 } 78
