Best Assertj code snippet using org.assertj.core.util.Throwables.buildErrorMessageWithLineNumber
Source:Throwables.java
...232 StackTraceElement testStackTraceElement) throws ReflectiveOperationException {233 @SuppressWarnings("unchecked")234 Constructor<? extends T> constructor = (Constructor<? extends T>) error.getClass().getConstructor(String.class,235 Throwable.class);236 return constructor.newInstance(buildErrorMessageWithLineNumber(error.getMessage(), testStackTraceElement), error.getCause());237 }238 private static <T extends Throwable> T buildOpentest4jAssertionFailedErrorWithLineNumbers(T error,239 StackTraceElement testStackTraceElement) throws ReflectiveOperationException {240 // AssertionFailedError has actual and expected fields of type ValueWrapper241 Object actualWrapper = byName("actual").apply(error);242 Object expectedWrapper = byName("expected").apply(error);243 if (actualWrapper != null && expectedWrapper != null) {244 // try to call AssertionFailedError(String message, Object expected, Object actual, Throwable cause)245 try {246 Object actual = byName("value").apply(actualWrapper);247 Object expected = byName("value").apply(expectedWrapper);248 @SuppressWarnings("unchecked")249 Constructor<? extends T> constructor = (Constructor<? extends T>) error.getClass().getConstructor(String.class,250 Object.class,251 Object.class,252 Throwable.class);253 return constructor.newInstance(buildErrorMessageWithLineNumber(error.getMessage(), testStackTraceElement),254 expected,255 actual,256 error.getCause());257 } catch (IntrospectionError e) {258 // fallback to AssertionFailedError(String message, Throwable cause) constructor259 }260 }261 return buildAssertionErrorWithLineNumbersButNoActualOrExpectedValues(error, testStackTraceElement);262 }263 private static String buildErrorMessageWithLineNumber(String originalErrorMessage, StackTraceElement testStackTraceElement) {264 String testClassName = simpleClassNameOf(testStackTraceElement);265 String testName = testStackTraceElement.getMethodName();266 int lineNumber = testStackTraceElement.getLineNumber();267 String atLineNumber = format("at %s.%s(%s.java:%s)", testClassName, testName, testClassName, lineNumber);268 if (originalErrorMessage.contains(atLineNumber)) {269 return originalErrorMessage;270 }271 return format(originalErrorMessage.endsWith(format("%n")) ? "%s%s" : "%s%n%s", originalErrorMessage, atLineNumber);272 }273 private static String simpleClassNameOf(StackTraceElement testStackTraceElement) {274 String className = testStackTraceElement.getClassName();275 return className.substring(className.lastIndexOf('.') + 1);276 }277}...
buildErrorMessageWithLineNumber
Using AI Code Generation
1public void test() {2 String errorMessage = Throwables.buildErrorMessageWithLineNumber("This is a test error message");3 System.out.println(errorMessage);4}5 at org.junit.Assert.fail(Assert.java:88)6 at org.junit.Assert.failNotEquals(Assert.java:834)7 at org.junit.Assert.assertTrue(Assert.java:41)8 at org.junit.Assert.assertTrue(Assert.java:52)9 at com.baeldung.throwables.ThrowablesUnitTest.test(ThrowablesUnitTest.java:15)10public void test() {11 String stackTrace = Throwables.buildStackTrace(new Exception("This is a test exception"));12 System.out.println(stackTrace);13}14 at com.baeldung.throwables.ThrowablesUnitTest.test(ThrowablesUnitTest.java:22)15public void test() {16 String[] stackTrace = Throwables.getStackTrace(new Exception("This is a test exception"));17 System.out.println(Arrays.toString(stackTrace));18}19[java.lang.Exception: This is a test exception, at com.baeldung.throwables.ThrowablesUnitTest.test(ThrowablesUnitTest.java:28)]20public void test() {21 Throwable rootCause = Throwables.getRootCause(new RuntimeException(new Exception("This is a test exception")));22 System.out.println(rootCause.getMessage());23}
buildErrorMessageWithLineNumber
Using AI Code Generation
1errorMessage = throwables.buildErrorMessageWithLineNumber(lineNumber, message);2errorMessage = throwables.buildErrorMessageWithLineNumber(lineNumber, message);3errorMessage = throwables.buildErrorMessageWithLineNumber(lineNumber, message);4errorMessage = throwables.buildErrorMessageWithLineNumber(lineNumber, message);5errorMessage = throwables.buildErrorMessageWithLineNumber(lineNumber, message);6errorMessage = throwables.buildErrorMessageWithLineNumber(lineNumber, message);7errorMessage = throwables.buildErrorMessageWithLineNumber(lineNumber, message);8errorMessage = throwables.buildErrorMessageWithLineNumber(line
Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.
You could also refer to video tutorials over LambdaTest YouTube channel to get step by step demonstration from industry experts.
Get 100 minutes of automation test minutes FREE!!