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

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

Source:Throwables.java Github

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...72 assertHasNoCause(info, actual);73 return;74 }75 if (actualCause == null) throw failures.failure(info, shouldHaveCause(actualCause, expectedCause));76 if (!compareThrowable(actualCause, expectedCause))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 if (actual.getMessage() != null && actual.getMessage().startsWith(description)) return;105 throw failures.failure(info, shouldStartWith(actual.getMessage(), description));106 }107 /**108 * Asserts that the message of the actual {@code Throwable} contains with the given description.109 * 110 * @param info contains information about the assertion.111 * @param actual the given {@code Throwable}.112 * @param description the description expected to be contained in the actual {@code Throwable}'s message.113 * @throws AssertionError if the actual {@code Throwable} is {@code null}.114 * @throws AssertionError if the message of the actual {@code Throwable} does not contain the given description.115 */116 public void assertHasMessageContaining(AssertionInfo info, Throwable actual, String description) {117 assertNotNull(info, actual);118 if (actual.getMessage() != null && actual.getMessage().contains(description)) return;119 throw failures.failure(info, shouldContain(actual.getMessage(), description));120 }121 /**122 * Asserts that the stack trace of the actual {@code Throwable} contains with the given description.123 * 124 * @param info contains information about the assertion.125 * @param actual the given {@code Throwable}.126 * @param description the description expected to be contained in the actual {@code Throwable}'s stack trace.127 * @throws AssertionError if the actual {@code Throwable} is {@code null}.128 * @throws AssertionError if the stack trace of the actual {@code Throwable} does not contain the given description.129 */130 public void assertHasStackTraceContaining(AssertionInfo info, Throwable actual, String description) {131 assertNotNull(info, actual);132 String stackTrace = org.assertj.core.util.Throwables.getStackTrace(actual);133 if (stackTrace != null && stackTrace.contains(description)) return;134 throw failures.failure(info, shouldContain(stackTrace, description));135 }136 /**137 * Asserts that the message of the actual {@code Throwable} matches with the given regular expression.138 *139 * @param info contains information about the assertion.140 * @param actual the given {@code Throwable}.141 * @param regex the regular expression of value expected to be matched the actual {@code Throwable}'s message.142 * @throws AssertionError if the actual {@code Throwable} is {@code null}.143 * @throws AssertionError if the message of the actual {@code Throwable} does not match the given regular expression.144 * @throws NullPointerException if the regex is null145 */146 public void assertHasMessageMatching(AssertionInfo info, Throwable actual, String regex) {147 checkNotNull(regex, "regex must not be null");148 assertNotNull(info, actual);149 if (actual.getMessage() != null && actual.getMessage().matches(regex)) return;150 throw failures.failure(info, shouldHaveMessageMatchingRegex(actual, regex));151 }152 /**153 * Asserts that the message of the actual {@code Throwable} ends with the given description.154 * 155 * @param info contains information about the assertion.156 * @param actual the given {@code Throwable}.157 * @param description the description expected to end the actual {@code Throwable}'s message.158 * @throws AssertionError if the actual {@code Throwable} is {@code null}.159 * @throws AssertionError if the message of the actual {@code Throwable} does not end with the given description.160 */161 public void assertHasMessageEndingWith(AssertionInfo info, Throwable actual, String description) {162 assertNotNull(info, actual);163 if (actual.getMessage() != null && actual.getMessage().endsWith(description)) return;164 throw failures.failure(info, shouldEndWith(actual.getMessage(), description));165 }166 /**167 * Assert that the cause of actual {@code Throwable} is an instance of the given type.168 * 169 * @param info contains information about the assertion.170 * @param actual the given {@code Throwable}.171 * @param type the expected cause type.172 * @throws NullPointerException if given type is {@code null}.173 * @throws AssertionError if the actual {@code Throwable} is {@code null}.174 * @throws AssertionError if the actual {@code Throwable} has no cause.175 * @throws AssertionError if the cause of the actual {@code Throwable} is not an instance of the given type.176 */177 public void assertHasCauseInstanceOf(AssertionInfo info, Throwable actual, Class<? extends Throwable> type) {178 assertNotNull(info, actual);179 checkTypeIsNotNull(type);180 if (type.isInstance(actual.getCause())) return;181 throw failures.failure(info, shouldHaveCauseInstance(actual, type));182 }183 /**184 * Assert that the cause of actual {@code Throwable} is <b>exactly</b> an instance of the given type.185 * 186 * @param info contains information about the assertion.187 * @param actual the given {@code Throwable}.188 * @param type the expected cause type.189 * @throws NullPointerException if given type is {@code null}.190 * @throws AssertionError if the actual {@code Throwable} is {@code null}.191 * @throws AssertionError if the actual {@code Throwable} has no cause.192 * @throws AssertionError if the cause of the actual {@code Throwable} is not <b>exactly</b> an instance of the given193 * type.194 */195 public void assertHasCauseExactlyInstanceOf(AssertionInfo info, Throwable actual, Class<? extends Throwable> type) {196 assertNotNull(info, actual);197 checkTypeIsNotNull(type);198 Throwable cause = actual.getCause();199 if (cause != null && type.equals(cause.getClass())) return;200 throw failures.failure(info, shouldHaveCauseExactlyInstance(actual, type));201 }202 /**203 * Assert that the root cause of actual {@code Throwable} is an instance of the given type.204 * 205 * @param info contains information about the assertion.206 * @param actual the given {@code Throwable}.207 * @param type the expected cause type.208 * @throws NullPointerException if given type is {@code null}.209 * @throws AssertionError if the actual {@code Throwable} is {@code null}.210 * @throws AssertionError if the actual {@code Throwable} has no cause.211 * @throws AssertionError if the cause of the actual {@code Throwable} is not an instance of the given type.212 */213 public void assertHasRootCauseInstanceOf(AssertionInfo info, Throwable actual, Class<? extends Throwable> type) {214 assertNotNull(info, actual);215 checkTypeIsNotNull(type);216 if (type.isInstance(getRootCause(actual))) return;217 throw failures.failure(info, shouldHaveRootCauseInstance(actual, type));218 }219 /**220 * Assert that the root cause of actual {@code Throwable} is <b>exactly</b> an instance of the given type.221 * 222 * @param info contains information about the assertion.223 * @param actual the given {@code Throwable}.224 * @param type the expected cause type.225 * @throws NullPointerException if given type is {@code null}.226 * @throws AssertionError if the actual {@code Throwable} is {@code null}.227 * @throws AssertionError if the actual {@code Throwable} has no cause.228 * @throws AssertionError if the root cause of the actual {@code Throwable} is not <b>exactly</b> an instance of the229 * given type.230 */231 public void assertHasRootCauseExactlyInstanceOf(AssertionInfo info, Throwable actual,232 Class<? extends Throwable> type) {233 assertNotNull(info, actual);234 checkTypeIsNotNull(type);235 Throwable rootCause = getRootCause(actual);236 if (rootCause != null && type.equals(rootCause.getClass())) return;237 throw failures.failure(info, shouldHaveRootCauseExactlyInstance(actual, type));238 }239 public void assertHasNoSuppressedExceptions(AssertionInfo info, Throwable actual) {240 assertNotNull(info, actual);241 Throwable[] suppressed = actual.getSuppressed();242 if (suppressed.length != 0) throw failures.failure(info, shouldHaveNoSuppressedExceptions(suppressed));243 }244 public void assertHasSuppressedException(AssertionInfo info, Throwable actual,245 Throwable expectedSuppressedException) {246 assertNotNull(info, actual);247 checkNotNull(expectedSuppressedException, "The expected suppressed exception should not be null");248 Throwable[] suppressed = actual.getSuppressed();249 for (int i = 0; i < suppressed.length; i++) {250 if (compareThrowable(suppressed[i], expectedSuppressedException)) return;251 }252 throw failures.failure(info, shouldHaveSuppressedException(actual, expectedSuppressedException));253 }254 private static void assertNotNull(AssertionInfo info, Throwable actual) {255 Objects.instance().assertNotNull(info, actual);256 }257 private static boolean compareThrowable(Throwable actual, Throwable expected) {258 return areEqual(actual.getMessage(), expected.getMessage())259 && areEqual(actual.getClass(), expected.getClass());260 }261}...

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compareThrowable

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1assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> { throw new NullPointerException(); })2 .withMessage("boom")3 .withMessageContaining("bo")4 .withMessageMatching("b.m")5 .withMessageStartingWith("bo")6 .withMessageEndingWith("om")7 .withCause(new IllegalArgumentException("boom"))8 .withCauseInstanceOf(IllegalArgumentException.class)9 .withCauseExactlyInstanceOf(IllegalArgumentException.class)10 .withCauseMessage("boom")11 .withCauseMessageContaining("bo")12 .withCauseMessageMatching("b.m")13 .withCauseMessageStartingWith("bo")14 .withCauseMessageEndingWith("om")15 .withStackTraceContaining("boom")16 .withStackTraceContaining("boom", "bo")17 .withStackTraceContaining("boom", "bo", "b.m")18 .withStackTraceContaining("boom", "bo", "b.m", "bo")19 .withStackTraceContaining("boom", "bo", "b.m", "bo", "om")20 .withNoCause();21assertThatNullPointerException().isThrownBy(() -> { throw new NullPointerException(); })22 .withMessage("boom")23 .withMessageContaining("bo")24 .withMessageMatching("b.m")25 .withMessageStartingWith("bo")26 .withMessageEndingWith("om")27 .withCause(new IllegalArgumentException("boom"))28 .withCauseInstanceOf(IllegalArgumentException.class)29 .withCauseExactlyInstanceOf(IllegalArgumentException.class)30 .withCauseMessage("boom")31 .withCauseMessageContaining("bo")32 .withCauseMessageMatching("b.m")33 .withCauseMessageStartingWith("bo")34 .withCauseMessageEndingWith("om")35 .withStackTraceContaining("boom")36 .withStackTraceContaining("boom", "bo")37 .withStackTraceContaining("boom", "bo", "b.m")38 .withStackTraceContaining("boom", "bo", "b.m", "bo")39 .withStackTraceContaining("boom", "bo", "b.m", "bo", "om")40 .withNoCause();41assertThatIllegalArgumentException().isThrownBy(() -> { throw new IllegalArgumentException(); })42 .withMessage("boom")43 .withMessageContaining("bo")44 .withMessageMatching("b.m")

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compareThrowable

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1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.catchThrowable;3import static org.assertj.core.api.Assertions.failBecauseExceptionWasNotThrown;4import static org.assertj.core.error.ShouldHaveCause.shouldHaveCause;5import static org.assertj.core.error.ShouldHaveCauseInstanceOf.shouldHaveCauseInstanceOf;6import static org.assertj.core.error.ShouldBeInstanceOf.shouldBeInstance;7import static org.assertj.core.internal.Throwables.compareThrowable;8import static org.assertj.core.util.Preconditions.checkArgument;9import static org.assertj.core.util.Preconditions.checkNotNull;10import org.assertj.core.internal.Throwables;11public class ThrowableAssert {12 private final Throwable actual;13 public ThrowableAssert(Throwable actual) {14 this.actual = actual;15 }16 * <pre><code class='java'> Throwable throwable = new Throwable(new IOException("boom!"));17 * assertThat(throwable).hasCauseInstanceOf(IOException.class)18 * .hasCause(new IOException("boom!"));19 * assertThat(throwable).hasCauseInstanceOf(IllegalArgumentException.class)20 * .hasCause(new IOException("bad!"));</code></pre>21 public ThrowableAssert hasCause(Throwable expected) {22 checkNotNull(expected, "The expected cause should not be null");23 checkArgument(expected instanceof Throwable, "The expected cause should be an instance of Throwable");24 if (actual.getCause() == null) throw failBecauseExceptionWasNotThrown(shouldHaveCause(actual));25 if (!compareThrowable(actual.getCause(), expected)) throw failBecauseExceptionWasNotThrown(shouldHaveCause(actual, expected));26 return this;27 }

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compareThrowable

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1public void should_pass_if_actual_and_expected_have_same_message() {2 assertThatThrownBy(() -> { throw new IllegalArgumentException("boom!"); })3 .hasMessage("boom!");4}5public void should_pass_if_actual_and_expected_have_same_message() {6 assertThatThrownBy(() -> { throw new IllegalArgumentException("boom!"); })7 .hasMessage("boom!");8}9public void should_pass_if_actual_and_expected_have_same_message() {10 assertThatThrownBy(() -> { throw new IllegalArgumentException("boom!"); })11 .hasMessage("boom!");12}13public void should_pass_if_actual_and_expected_have_same_message() {14 assertThatThrownBy(() -> { throw new IllegalArgumentException("boom!"); })15 .hasMessage("boom!");16}17public void should_pass_if_actual_and_expected_have_same_message() {18 assertThatThrownBy(() -> { throw new IllegalArgumentException("boom!"); })19 .hasMessage("boom!");20}21public void should_pass_if_actual_and_expected_have_same_message() {22 assertThatThrownBy(() -> { throw new IllegalArgumentException("boom!"); })23 .hasMessage("boom!");24}25public void should_pass_if_actual_and_expected_have_same_message() {26 assertThatThrownBy(() -> { throw new IllegalArgumentException("boom!"); })27 .hasMessage("boom!");28}29public void should_pass_if_actual_and_expected_have_same_message() {30 assertThatThrownBy(() -> { throw new IllegalArgumentException("boom!"); })31 .hasMessage("boom!");32}33public void should_pass_if_actual_and_expected_have_same_message() {34 assertThatThrownBy(() -> { throw new IllegalArgumentException("boom!"); })35 .hasMessage("boom!");36}37public void should_pass_if_actual_and_expected_have_same_message() {38 assertThatThrownBy(() -> { throw new IllegalArgumentException("boom!"); })39 .hasMessage("boom!");40}41public void should_pass_if_actual_and_expected_have_same_message() {42 assertThatThrownBy(() -> { throw new IllegalArgumentException("boom!"); })43 .hasMessage("boom!");44}45public void should_pass_if_actual_and_expected_have_same_message() {46 assertThatThrownBy(() -> { throw new IllegalArgumentException("boom!"); })47 .hasMessage("boom!");48}

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