KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

How to use assertNotNull method of org.assertj.core.internal.Throwables class

Best Assertj code snippet using org.assertj.core.internal.Throwables.assertNotNull

Source:Throwables.java

...58   * @throws AssertionError if the actual {@code Throwable} is {@code null}.59   * @throws AssertionError if the message of the actual {@code Throwable} is not equal to the given one.60   */61  public void assertHasMessage(AssertionInfo info, Throwable actual, String message) {62	assertNotNull(info, actual);63	if (areEqual(actual.getMessage(), message)) return;64	throw failures.failure(info, shouldHaveMessage(actual, message));65  }66  public void assertHasCause(AssertionInfo info, Throwable actual, Throwable expectedCause) {67	assertNotNull(info, actual);68	Throwable actualCause = actual.getCause();69	if (actualCause == expectedCause) return;70	if (null == expectedCause) {71	  assertHasNoCause(info, actual);72	  return;73	}74	if (actualCause == null) throw failures.failure(info, shouldHaveCause(actualCause, expectedCause));75	if (areEqual(actualCause.getMessage(), expectedCause.getMessage())76	    && areEqual(actualCause.getClass(), expectedCause.getClass())) return;77	throw failures.failure(info, shouldHaveCause(actualCause, expectedCause));78  }79  /**80   * Asserts that the actual {@code Throwable} does not have a cause.81   * 82   * @param info contains information about the assertion.83   * @param actual the given {@code Throwable}.84   * @throws AssertionError if the actual {@code Throwable} is {@code null}.85   * @throws AssertionError if the actual {@code Throwable} has a cause.86   */87  public void assertHasNoCause(AssertionInfo info, Throwable actual) {88	assertNotNull(info, actual);89	Throwable actualCause = actual.getCause();90	if (actualCause == null) return;91	throw failures.failure(info, shouldHaveNoCause(actual));92  }93  /**94   * Asserts that the message of the actual {@code Throwable} starts with the given description.95   * 96   * @param info contains information about the assertion.97   * @param actual the given {@code Throwable}.98   * @param description the description expected to start the actual {@code Throwable}'s message.99   * @throws AssertionError if the actual {@code Throwable} is {@code null}.100   * @throws AssertionError if the message of the actual {@code Throwable} does not start with the given description.101   */102  public void assertHasMessageStartingWith(AssertionInfo info, Throwable actual, String description) {103	assertNotNull(info, actual);104	// TODO unit test with null exception message105	if (actual.getMessage() != null && actual.getMessage().startsWith(description)) return;106	throw failures.failure(info, shouldStartWith(actual.getMessage(), description));107  }108  /**109   * Asserts that the message of the actual {@code Throwable} contains with the given description.110   * 111   * @param info contains information about the assertion.112   * @param actual the given {@code Throwable}.113   * @param description the description expected to be contained in the actual {@code Throwable}'s message.114   * @throws AssertionError if the actual {@code Throwable} is {@code null}.115   * @throws AssertionError if the message of the actual {@code Throwable} does not contain the given description.116   */117  public void assertHasMessageContaining(AssertionInfo info, Throwable actual, String description) {118	assertNotNull(info, actual);119	if (actual.getMessage() != null && actual.getMessage().contains(description)) return;120	throw failures.failure(info, shouldContain(actual.getMessage(), description));121  }122  /**123   * Asserts that the message of the actual {@code Throwable} matches with the given regular expression.124   *125   * @param info contains information about the assertion.126   * @param actual the given {@code Throwable}.127   * @param regex the regular expression of value expected to be matched the actual {@code Throwable}'s message.128   * @throws AssertionError if the actual {@code Throwable} is {@code null}.129   * @throws AssertionError if the message of the actual {@code Throwable} does not match the given regular expression.130   * @throws NullPointerException if the regex is null131   */132  public void assertHasMessageMatching(AssertionInfo info, Throwable actual, String regex) {133    checkNotNull(regex, "regex must not be null");134    assertNotNull(info, actual);135    if (actual.getMessage() != null && actual.getMessage().matches(regex)) return;136    throw failures.failure(info, shouldHaveMessageMatchingRegex(actual, regex));137  }138  /**139   * Asserts that the message of the actual {@code Throwable} ends with the given description.140   * 141   * @param info contains information about the assertion.142   * @param actual the given {@code Throwable}.143   * @param description the description expected to end the actual {@code Throwable}'s message.144   * @throws AssertionError if the actual {@code Throwable} is {@code null}.145   * @throws AssertionError if the message of the actual {@code Throwable} does not end with the given description.146   */147  public void assertHasMessageEndingWith(AssertionInfo info, Throwable actual, String description) {148	assertNotNull(info, actual);149	if (actual.getMessage() != null && actual.getMessage().endsWith(description)) return;150	throw failures.failure(info, shouldEndWith(actual.getMessage(), description));151  }152  /**153   * Assert that the cause of actual {@code Throwable} is an instance of the given type.154   * 155   * @param info contains information about the assertion.156   * @param actual the given {@code Throwable}.157   * @param type the expected cause type.158   * @throws NullPointerException if given type is {@code null}.159   * @throws AssertionError if the actual {@code Throwable} is {@code null}.160   * @throws AssertionError if the actual {@code Throwable} has no cause.161   * @throws AssertionError if the cause of the actual {@code Throwable} is not an instance of the given type.162   */163  public void assertHasCauseInstanceOf(AssertionInfo info, Throwable actual, Class<? extends Throwable> type) {164	assertNotNull(info, actual);165	checkTypeIsNotNull(type);166	if (type.isInstance(actual.getCause())) return;167	throw failures.failure(info, shouldHaveCauseInstance(actual, type));168  }169  /**170   * Assert that the cause of actual {@code Throwable} is <b>exactly</b> an instance of the given type.171   * 172   * @param info contains information about the assertion.173   * @param actual the given {@code Throwable}.174   * @param type the expected cause type.175   * @throws NullPointerException if given type is {@code null}.176   * @throws AssertionError if the actual {@code Throwable} is {@code null}.177   * @throws AssertionError if the actual {@code Throwable} has no cause.178   * @throws AssertionError if the cause of the actual {@code Throwable} is not <b>exactly</b> an instance of the given179   *           type.180   */181  public void assertHasCauseExactlyInstanceOf(AssertionInfo info, Throwable actual, Class<? extends Throwable> type) {182	assertNotNull(info, actual);183	checkTypeIsNotNull(type);184	Throwable cause = actual.getCause();185	if (cause != null && type.equals(cause.getClass())) return;186	throw failures.failure(info, shouldHaveCauseExactlyInstance(actual, type));187  }188  /**189   * Assert that the root cause of actual {@code Throwable} is an instance of the given type.190   * 191   * @param info contains information about the assertion.192   * @param actual the given {@code Throwable}.193   * @param type the expected cause type.194   * @throws NullPointerException if given type is {@code null}.195   * @throws AssertionError if the actual {@code Throwable} is {@code null}.196   * @throws AssertionError if the actual {@code Throwable} has no cause.197   * @throws AssertionError if the cause of the actual {@code Throwable} is not an instance of the given type.198   */199  public void assertHasRootCauseInstanceOf(AssertionInfo info, Throwable actual, Class<? extends Throwable> type) {200	assertNotNull(info, actual);201	checkTypeIsNotNull(type);202	if (type.isInstance(getRootCause(actual))) return;203	throw failures.failure(info, shouldHaveRootCauseInstance(actual, type));204  }205  /**206   * Assert that the root cause of actual {@code Throwable} is <b>exactly</b> an instance of the given type.207   * 208   * @param info contains information about the assertion.209   * @param actual the given {@code Throwable}.210   * @param type the expected cause type.211   * @throws NullPointerException if given type is {@code null}.212   * @throws AssertionError if the actual {@code Throwable} is {@code null}.213   * @throws AssertionError if the actual {@code Throwable} has no cause.214   * @throws AssertionError if the root cause of the actual {@code Throwable} is not <b>exactly</b> an instance of the215   *           given type.216   */217  public void assertHasRootCauseExactlyInstanceOf(AssertionInfo info, Throwable actual, Class<? extends Throwable> type) {218	assertNotNull(info, actual);219	checkTypeIsNotNull(type);220	Throwable rootCause = getRootCause(actual);221	if (rootCause != null && type.equals(rootCause.getClass())) return;222	throw failures.failure(info, shouldHaveRootCauseExactlyInstance(actual, type));223  }224  private static void assertNotNull(AssertionInfo info, Throwable actual) {225	Objects.instance().assertNotNull(info, actual);226  }227}...

assertNotNull

Using AI Code Generation

1public void should_pass_if_actual_is_not_null() {2  throwables.assertNotNull(new Throwable());3}4public void should_fail_if_actual_is_null() {5  try {6    throwables.assertNotNull(null);7  } catch (AssertionError e) {8    return;9  }10  failBecauseExpectedAssertionErrorWasNotThrown();11}12public void should_fail_if_actual_is_null_with_message() {13  try {14    throwables.assertNotNull(null, "My custom message");15  } catch (AssertionError e) {16    assertEquals(e.getMessage(), "[My custom message] %nExpecting:%n <null>%nnot to be null");17    return;18  }19  failBecauseExpectedAssertionErrorWasNotThrown();20}21public void should_fail_if_actual_is_null_with_message_supplier() {22  try {23    throwables.assertNotNull(null, () -> "My custom message");24  } catch (AssertionError e) {25    assertEquals(e.getMessage(), "[My custom message] %nExpecting:%n <null>%nnot to be null");26    return;27  }28  failBecauseExpectedAssertionErrorWasNotThrown();29}30public void should_pass_if_actual_is_null_with_message() {31  throwables.assertNotNull(new Throwable(), "My custom message");32}33public void should_pass_if_actual_is_null_with_message_supplier() {34  throwables.assertNotNull(new Throwable(), () -> "My custom message");35}36public void should_pass_if_actual_is_null() {37  throwables.assertNull(null);38}39public void should_fail_if_actual_is_not_null() {40  try {41    throwables.assertNull(new Throwable());42  } catch (AssertionError e) {

assertNotNull

Using AI Code Generation

1public void assertNotNull_Test() {2  Throwables throwables = new Throwables();3  String str = new String();4  throwables.assertNotNull(info,str);5}6public void assertSame_Test() {7  Throwables throwables = new Throwables();8  String str = new String();9  String str1 = new String();10  throwables.assertSame(info,str,str1);11}12public void assertSameAs_Test() {13  Throwables throwables = new Throwables();14  String str = new String();15  String str1 = new String();16  throwables.assertSameAs(info,str,str1);17}18public void assertNotSame_Test() {19  Throwables throwables = new Throwables();20  String str = new String();21  String str1 = new String();22  throwables.assertNotSame(info,str,str1);23}

Automation Testing Tutorials

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.