How to use ThrowableAssert method of org.assertj.core.api.ThrowableAssert class

Best Assertj code snippet using org.assertj.core.api.ThrowableAssert.ThrowableAssert

Source:InMemoryDatabaseTest.java Github

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2import io.github.glytching.junit.extension.random.Random;3import io.github.glytching.junit.extension.random.RandomBeansExtension;4import io.swagger.model.Channel;5import io.swagger.model.Device;6import org.assertj.core.api.ThrowableAssert;7import org.junit.jupiter.api.BeforeEach;8import org.junit.jupiter.api.DisplayName;9import org.junit.jupiter.api.Test;10import org.junit.jupiter.api.extension.ExtendWith;11import org.mockito.junit.jupiter.MockitoExtension;12import pl.grzeslowski.jsuplaservermock.service.EntityNotFoundException;13import java.util.List;14import static org.assertj.core.api.Assertions.assertThat;15import static org.assertj.core.api.Assertions.assertThatThrownBy;16@SuppressWarnings("WeakerAccess")17@ExtendWith(MockitoExtension.class)18@ExtendWith(RandomBeansExtension.class)19class InMemoryDatabaseTest {20 InMemoryDatabase database;21 @Random String contextPath;22 @Random String port;23 @Random(excludes = {24 "location.iodevices",25 "location.channelGroups",26 "location.accessIds",27 "location.channels",28 "originalLocation",29 "channels.iodevice",30 "channels.location",31 "schedules.channel",32 "schedules.closestExecutions"}) Device device;33 @Random(type = Channel.class,34 excludes = {"iodevice", "location"}) List<Channel> channels;35 Channel channel;36 @BeforeEach37 void setUp() {38 database = new InMemoryDatabase(contextPath, port);39 }40 @BeforeEach41 void setUpChannels() {42 device.channels(channels);43 channels.forEach(channel -> channel.setIodevice(device));44 channel = channels.get(0);45 }46 @Test47 @DisplayName("should get device from DB")48 void getDevice() {49 // given50 database.addDevice(device);51 // when52 final Device deviceFromDb = database.getDevice(device.getId());53 // then54 assertThat(deviceFromDb).isEqualTo(device);55 }56 @Test57 @DisplayName("should throw EntityNotFoundException when cannot find device")58 void getDeviceNotFound(@Random int id) {59 // when60 final ThrowableAssert.ThrowingCallable device = () -> database.getDevice(id);61 // then62 assertThatThrownBy(device).isInstanceOf(EntityNotFoundException.class);63 }64 @Test65 @DisplayName("should get all devices from DB")66 void getAllDevices(@Random(type = Device.class,67 excludes = {68 "location.iodevices",69 "location.channelGroups",70 "location.accessIds",71 "location.channels",72 "originalLocation",73 "channels.iodevice",74 "channels.location",75 "schedules.channel",76 "schedules.closestExecutions"}) List<Device> devices) {77 // given78 devices.forEach(device -> database.addDevice(device));79 // when80 final List<Device> devicesFromDb = database.getAllDevices();81 // then82 assertThat(devicesFromDb).containsExactlyInAnyOrder(devices.toArray(new Device[0]));83 }84 @Test85 @DisplayName("should change device comment")86 void changeDeviceComment(@Random String comment) {87 // given88 database.addDevice(device);89 // when90 final Device deviceFromDb = database.changeDeviceComment(this.device.getId(), comment);91 // then92 assertThat(deviceFromDb.getComment()).isEqualTo(comment);93 assertThat(database.getDevice(device.getId()).getComment()).isEqualTo(comment);94 }95 @Test96 @DisplayName("should throw EntityNotFoundException when cannot find device with given ID (comment)")97 void changeDeviceCommentEntityNotFound(@Random int id, @Random String comment) {98 // when99 final ThrowableAssert.ThrowingCallable device = () -> database.changeDeviceComment(id, comment);100 // then101 assertThatThrownBy(device).isInstanceOf(EntityNotFoundException.class);102 }103 @Test104 @DisplayName("should change device enabled")105 void changeDeviceEnabled(@Random boolean enabled) {106 // given107 database.addDevice(device);108 // when109 final Device deviceFromDb = database.changeDeviceEnabled(this.device.getId(), enabled);110 // then111 assertThat(deviceFromDb.isEnabled()).isEqualTo(enabled);112 assertThat(database.getDevice(device.getId()).isEnabled()).isEqualTo(enabled);113 }114 @Test115 @DisplayName("should throw EntityNotFoundException when cannot find device with given ID (enabled)")116 void changeDeviceEnabledEntityNotFound(@Random int id, @Random boolean enabled) {117 // when118 final ThrowableAssert.ThrowingCallable device = () -> database.changeDeviceEnabled(id, enabled);119 // then120 assertThatThrownBy(device).isInstanceOf(EntityNotFoundException.class);121 }122 @Test123 @DisplayName("should change device locationId")124 void changeDeviceLocationId(@Random int locationId) {125 // given126 database.addDevice(device);127 // when128 final Device deviceFromDb = database.changeDeviceLocationId(this.device.getId(), locationId);129 // then130 assertThat(deviceFromDb.getLocationId()).isEqualTo(locationId);131 // TODO implement with locations132// assertThat(deviceFromDb.getLocation().getId()).isEqualTo(locationId);133 assertThat(database.getDevice(device.getId()).getLocationId()).isEqualTo(locationId);134 // TODO implement with locations135// assertThat(database.getDevice(device.getId()).getId()).isEqualTo(locationId);136 }137 @Test138 @DisplayName("should throw EntityNotFoundException when cannot find device with given ID (locationId)")139 void changeDeviceLocationIdEntityNotFound(@Random int id, @Random int locationId) {140 // when141 final ThrowableAssert.ThrowingCallable device = () -> database.changeDeviceLocationId(id, locationId);142 // then143 assertThatThrownBy(device).isInstanceOf(EntityNotFoundException.class);144 }145 // TODO add test for changing locationId and location cannot be found146 @Test147 @DisplayName("should delete device with given ID")148 public void deleteDevice() {149 // given150 database.addDevice(device);151 // when152 database.deleteDevice(device.getId());153 // then154 assertThatThrownBy(() -> database.getDevice(device.getId())).isInstanceOf(EntityNotFoundException.class);155 }156 @Test157 @DisplayName("should throw EntityNotFoundException when cannot find device to delete")158 public void deleteDeviceEntityNotFound() {159 // when160 final ThrowableAssert.ThrowingCallable delete = () -> database.deleteDevice(device.getId());161 // then162 assertThatThrownBy(delete).isInstanceOf(EntityNotFoundException.class);163 }164 @Test165 @DisplayName("should get channel from DB")166 void getChannel() {167 // given168 database.addDevice(device);169 // when170 Channel channelFromDb = database.getChannel(this.channel.getId());171 // then172 assertThat(channelFromDb).isEqualTo(channel);173 }174 @Test175 @DisplayName("should throw EntityNotFoundException when cannot find channel")176 void getChannel(@Random int id) {177 // when178 final ThrowableAssert.ThrowingCallable device = () -> database.getChannel(id);179 // then180 assertThatThrownBy(device).isInstanceOf(EntityNotFoundException.class);181 }182 @Test183 @DisplayName("should get all channels from DB")184 void getAllChannels() {185 // given186 database.addDevice(device);187 // when188 List<Channel> channelsFromDb = database.getAllChannels();189 // then190 assertThat(channelsFromDb).containsExactlyInAnyOrder(channels.toArray(new Channel[0]));191 }192}...

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Source:CloseWebSocketFrameTest.java Github

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...10 * distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.11 * See the License for the specific language governing permissions and limitations under the License.12 */13package io.netty.handler.codec.http.websocketx;14import org.assertj.core.api.ThrowableAssert;15import org.junit.jupiter.api.Test;16import static org.assertj.core.api.Assertions.assertThat;17import static org.assertj.core.api.Assertions.assertThatExceptionOfType;18class CloseWebSocketFrameTest {19 @Test20 void testInvalidCode() {21 doTestInvalidCode(new ThrowableAssert.ThrowingCallable() {22 @Override23 public void call() throws RuntimeException {24 new CloseWebSocketFrame(WebSocketCloseStatus.ABNORMAL_CLOSURE);25 }26 });27 doTestInvalidCode(new ThrowableAssert.ThrowingCallable() {28 @Override29 public void call() throws RuntimeException {30 new CloseWebSocketFrame(WebSocketCloseStatus.ABNORMAL_CLOSURE, "invalid code");31 }32 });33 doTestInvalidCode(new ThrowableAssert.ThrowingCallable() {34 @Override35 public void call() throws RuntimeException {36 new CloseWebSocketFrame(1006, "invalid code");37 }38 });39 doTestInvalidCode(new ThrowableAssert.ThrowingCallable() {40 @Override41 public void call() throws RuntimeException {42 new CloseWebSocketFrame(true, 0, 1006, "invalid code");43 }44 });45 }46 @Test47 void testValidCode() {48 doTestValidCode(new CloseWebSocketFrame(WebSocketCloseStatus.NORMAL_CLOSURE),49 WebSocketCloseStatus.NORMAL_CLOSURE.code(), WebSocketCloseStatus.NORMAL_CLOSURE.reasonText());50 doTestValidCode(new CloseWebSocketFrame(WebSocketCloseStatus.NORMAL_CLOSURE, "valid code"),51 WebSocketCloseStatus.NORMAL_CLOSURE.code(), "valid code");52 doTestValidCode(new CloseWebSocketFrame(1000, "valid code"), 1000, "valid code");53 doTestValidCode(new CloseWebSocketFrame(true, 0, 1000, "valid code"), 1000, "valid code");54 }55 private static void doTestInvalidCode(ThrowableAssert.ThrowingCallable callable) {56 assertThatExceptionOfType(IllegalArgumentException.class).isThrownBy(callable);57 }58 private static void doTestValidCode(CloseWebSocketFrame frame, int expectedCode, String expectedReason) {59 assertThat(frame.statusCode()).isEqualTo(expectedCode);60 assertThat(frame.reasonText()).isEqualTo(expectedReason);61 }62}...

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ThrowableAssert

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1import org.assertj.core.api.ThrowableAssert;2import org.assertj.core.api.ThrowableAssert.ThrowingCallable;3import org.assertj.core.api.Assertions;4public class ThrowableAssertExample {5 public static void main(String[] args) {6 ThrowingCallable callable = () -> {7 throw new Exception("Exception");8 };9 ThrowableAssert.assertThatThrownBy(callable).hasMessage("Exception");10 }11}12 at org.assertj.core.api.ThrowableAssert.failBecauseExceptionWasNotThrown(ThrowableAssert.java:90)13 at org.assertj.core.api.ThrowableAssert.assertThatThrownBy(ThrowableAssert.java:65)14 at ThrowableAssertExample.main(ThrowableAssertExample.java:12)

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ThrowableAssert

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1package com.ack.junit.assertions;2import org.junit.Test;3import static org.assertj.core.api.Assertions.assertThatThrownBy;4public class ThrowableAssertTest {5 public void testThrowableAssert() {6 assertThatThrownBy( () -> {7 throw new Exception( "boom!" );8 } )9 .isInstanceOf( Exception.class )10 .hasMessage( "boom!" );11 }12}13org.junit.ComparisonFailure: expected: <Exception> but was: <java.lang.Exception> at org.junit.Assert.assertEquals(Assert.java:115) at org.junit.Assert.assertEquals(Assert.java:144) at com.ack.junit.assertions.ThrowableAssertTest.testThrowableAssert(ThrowableAssertTest.java:14)14package com.ack.junit.assertions;15import org.junit.Test;16import static org.assertj.core.api.Assertions.assertThatExceptionOfType;17public class ThrowableAssertTest {18 public void testThrowableAssert() {19 assertThatExceptionOfType( Exception.class )20 .isThrownBy( () -> {21 throw new Exception( "boom!" );22 } )23 .withMessage( "boom!" );24 }25}26org.junit.ComparisonFailure: expected: <Exception> but was: <java.lang.Exception> at org.junit.Assert.assertEquals(Assert.java:115) at org.junit.Assert.assertEquals(Assert.java:144) at com.ack.junit.assertions.ThrowableAssertTest.testThrowableAssert(ThrowableAssertTest.java:14)27package com.ack.junit.assertions;28import org.junit.Test;29import static org.assertj.core.api.Assertions.assertThatExceptionOfType;30public class ThrowableAssertTest {31 public void testThrowableAssert() {32 assertThatExceptionOfType( Exception.class )33 .isThrownBy( () -> {34 throw new Exception( "boom!" );35 } )36 .withMessageContaining( "boom" );37 }38}39org.junit.ComparisonFailure: expected: <Exception> but was: <java.lang.Exception> at org.junit.Assert.assertEquals(Assert.java:115) at org.junit.Assert.assertEquals(Assert.java:144) at com.ack.junit.assertions.ThrowableAssertTest.testThrowableAssert(ThrowableAssertTest.java:14)

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ThrowableAssert

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1import org.assertj.core.api.ThrowableAssert;2import org.junit.Test;3import static org.assertj.core.api.Assertions.assertThatThrownBy;4public class 1 {5 public void test() {6 ThrowableAssert t = assertThatThrownBy(() -> {7 throw new Exception("test");8 });9 System.out.println(t);10 }11}

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ThrowableAssert

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1import org.assertj.core.api.ThrowableAssert;2public class 1 {3 public static void main(String[] args) {4 ThrowableAssert.assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {5 String str = null;6 str.length();7 });8 }9}

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ThrowableAssert

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1import org.assertj.core.api.ThrowableAssert;2public class 1 {3 public static void main(String[] args) {4 ThrowableAssert.assertThatExceptionOfType(NullPointerException.class).isThrownBy(() -> {5 String str = null;6 str.length();7 });8 }9}

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ThrowableAssert

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1package com.ack.assertj;2import org.assertj.core.api.Assertions;3import org.junit.Test;4public class ThrowableAssertTest {5 public void testThrowableAssert() {6 Assertions.assertThatThrownBy( () -> {7 throw new Exception( "This is an exception" );8 } ).hasMessage( "This is an exception" );9 }10}11package com.ack.assertj;12import org.assertj.core.api.Assertions;13import org.junit.Test;14public class ThrowableAssertTest {15 public void testThrowableAssert() {16 Assertions.assertThatThrownBy( () -> {17 throw new Exception( "This is an exception" );18 } ).hasMessage( "This is an exception" );19 }20}21package com.ack.assertj;22import org.assertj.core.api.Assertions;23import org.junit.Test;24public class ThrowableAssertTest {25 public void testThrowableAssert() {26 Assertions.assertThatThrownBy( () -> {27 throw new Exception( "This is an exception" );28 } ).hasMessage( "This is an exception" );29 }30}31package com.ack.assertj;32import org.assertj.core.api.Assertions;33import org.junit.Test;34public class ThrowableAssertTest {35 public void testThrowableAssert() {36 Assertions.assertThatThrownBy( () -> {37 throw new Exception( "This is an exception" );38 } ).hasMessage( "This is an exception" );39 }40}41package com.ack.assertj;42import org.assertj.core.api.Assertions;43import org.junit.Test;44public class ThrowableAssertTest {45 public void testThrowableAssert() {46 Assertions.assertThatThrownBy( () -> {47 throw new Exception( "This is an exception" );48 } ).hasMessage( "This is an exception" );49im ort org.assertj.core.api.ThrowableAssert;50import org.assertj.core.api.Assertions;51p }eAssrt52public}staticvoid main(String[] args) {53ThrowableAssert.assertThrownBy(() -> {54throw new Exception("Exception in code");55}).isInstanceOf(Exception.class).hasMessage("Exceptionincode");56}57}58at org.assertj.core.api.ThrowableAssert.assertThrownBy(ThrowableAssert.java:48)59at org.assertj.core.api.ThrowableAssert.assertThrownBy(ThrowableAssert.java:37)60at AssertJThrowableAssert.main(AssertJThrowableAssert.java:8)61AssertJ ThrowableAssert hasMessageContaining() method62mport org.assertj.ore.api.ThrowableAssert;63importorg.aserj.core.pi.Asserions;64publclass AssertJThrowableAssert {65ThrowableAssert.assertThrownBy(()->{66thrownewException("Exceptionincode");67}).isInstanceOf(Exception.class).hasMessageContaining("code");68}69}70at org.assertj.core.api.ThrowableAssert.assertThrownBy(ThrowableAssert.java:48)71at org.assertj.core.api.ThrowableAssert.assertThrownBy(ThrowableAssert.java:37)72at AssertJThrowableAssert.main(AssertJThrowableAssert.java:8)73AssertJ ThrowableAssert hasMessageMatching() method74code to use hasMessageMatching() method of org.assertj.core.api.ThrowableAssert class75import org.assertj.core.api.ThrowableAssert;76import org.assertj.core.pi.Assertions;77public class AssertJThrowableAt {78public satic void main(String[] args) {79rowbleAsser.assert( -> {80throw new Exception("Exceptionin code");81}).isInstanceOf(Exception.class).hasMessageMatching(".*code");82}83}84at org.assertj.core.api.ThrowableAssert.assertThrownBy(ThrowableAssert.java:48)85at org.assertj.core.api.ThrowableAssert.assertThrownBy(ThrowableAssert.java:37)86at AssertJThrowableAssert.main(AssertJThrowableAssert.java:8

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ThrowableAssert

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1package org.example;2import org.assertj.core.api.ThrowableAssert;3public class App {4 public static void main(String[] args) {5 ThrowableAssert.throwable(() -> {throw new Exception("Message");}).hasMessage("Message");6 }7}8java -cp .;assertj-core-3.17.2.jar App9 at org.example.App.main(App.java:7)

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ThrowableAssert

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1import org.assertj.core.api.ThrowableAssert;2import org.assertj.core.api.Assertions;3public class AssertjTest {4 public static void main(String[] args) {5 ThrowableAssert t = Assertions.assertThatThrownBy(() -> {6 throw new NullPointerException();7 });8 t.isInstanceOf(NullPointerException.class);9 }10}11 at org.assertj.core.api.ThrowableAssert.catchThrowable(ThrowableAssert.java:60)12 at org.assertj.core.api.Assertions.assertThatThrownBy(Assertions.java:1458)13 at AssertjTest.main(AssertjTest.java:10)

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ThrowableAssert

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1import org.assertj.core.api.ThrowableAssert;2import org.assertj.core.api.Assertions;3public class AssertJThrowableAssert {4public static void main(String[] args) {5ThrowableAssert.assertThrownBy(() -> {6throw new Exception("Exception in code");7}).isInstanceOf(Exception.class).hasMessage("Exception in code");8}9}10at org.assertj.core.api.ThrowableAssert.assertThrownBy(ThrowableAssert.java:48)11at org.assertj.core.api.ThrowableAssert.assertThrownBy(ThrowableAssert.java:37)12at AssertJThrowableAssert.main(AssertJThrowableAssert.java:8)13AssertJ ThrowableAssert hasMessageContaining() method14import org.assertj.core.api.ThrowableAssert;15import org.assertj.core.api.Assertions;16public class AssertJThrowableAssert {17public static void main(String[] args) {18ThrowableAssert.assertThrownBy(() -> {19throw new Exception("Exception in code");20}).isInstanceOf(Exception.class).hasMessageContaining("code");21}22}23at org.assertj.core.api.ThrowableAssert.assertThrownBy(ThrowableAssert.java:48)24at org.assertj.core.api.ThrowableAssert.assertThrownBy(ThrowableAssert.java:37)25at AssertJThrowableAssert.main(AssertJThrowableAssert.java:8)26AssertJ ThrowableAssert hasMessageMatching() method27import org.assertj.core.api.ThrowableAssert;28import org.assertj.core.api.Assertions;29public class AssertJThrowableAssert {30public static void main(String[] args) {31ThrowableAssert.assertThrownBy(() -> {32throw new Exception("Exception in code");33}).isInstanceOf(Exception.class).hasMessageMatching(".*code");34}35}36at org.assertj.core.api.ThrowableAssert.assertThrownBy(ThrowableAssert.java:48)37at org.assertj.core.api.ThrowableAssert.assertThrownBy(ThrowableAssert.java:37)38at AssertJThrowableAssert.main(AssertJThrowableAssert.java:8

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ThrowableAssert

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1public class AssertJThrowable {2 public static void main(String[] args) {3 ThrowableAssert.ThrowingCallable callable = () -> {4 throw new Exception("Exception thrown");5 };6 assertThatThrownBy(callable).isInstanceOf(Exception.class)7 .hasMessageContaining("thrown");8 assertThatExceptionOfType(Exception.class).isThrownBy(callable)9 .withMessageContaining("thrown");10 }11}12 at org.assertj.core.api.ThrowableAssertAlternative.isInstanceOf(ThrowableAssertAlternative.java:83)13 at AssertJThrowable.main(AssertJThrowable.java:10)14 at org.assertj.core.api.ThrowableAssertAlternative.isInstanceOf(ThrowableAssertAlternative.java:83)15 at AssertJThrowable.main(AssertJThrowable.java:15)

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