How to use isAnyExceptionExpected method of org.junit.rules.ExpectedException class

Best junit code snippet using org.junit.rules.ExpectedException.isAnyExceptionExpected

ExpectedException`org.junit.rules.ExpectedException`

The ExpectedException is a rule which helps scripts to verify that the script throws the specific exception or not

Code Snippets

Here are code snippets that can help you understand more how developers are using

Source:ExpectedException.java

...240/* 240 */       } catch (Throwable e) {241/* 241 */         ExpectedException.this.handleException(e);242/*     */         return;243/*     */       } 244/* 244 */       if (ExpectedException.this.isAnyExceptionExpected()) {245/* 245 */         ExpectedException.this.failDueToMissingException();246/*     */       }247/*     */     }248/*     */   }249/*     */   250/*     */   private void handleException(Throwable e) throws Throwable {251/* 251 */     if (isAnyExceptionExpected()) {252/* 252 */       Assert.assertThat(e, this.matcherBuilder.build());253/*     */     } else {254/* 254 */       throw e;255/*     */     } 256/*     */   }257/*     */   258/*     */   private boolean isAnyExceptionExpected() {259/* 259 */     return this.matcherBuilder.expectsThrowable();260/*     */   }261/*     */   262/*     */   private void failDueToMissingException() throws AssertionError {263/* 263 */     Assert.fail(missingExceptionMessage());264/*     */   }265/*     */   266/*     */   private String missingExceptionMessage() {267/* 267 */     String expectation = StringDescription.toString((SelfDescribing)this.matcherBuilder.build());268/* 268 */     return String.format(this.missingExceptionMessage, new Object[] { expectation });269/*     */   }270/*     */ }271/* Location:              /home/arpit/Downloads/Picking-Tool-6.5.2.jar!/org/junit/rules/ExpectedException.class272 * Java compiler version: 5 (49.0)...

isAnyExceptionExpected

Using AI Code Generation

1import org.junit.Rule;2import org.junit.Test;3import org.junit.rules.ExpectedException;4public class TestException {5    public ExpectedException thrown = ExpectedException.none();6    public void testException() {7        thrown.expect(NumberFormatException.class);8        thrown.expectMessage("For input string");9        thrown.expectMessage("For input string: \"abc\"");10        Integer.parseInt("abc");11    }12    public void testException2() {13        thrown.expect(NumberFormatException.class);14        thrown.expectMessage("For input string");15        thrown.expectMessage("For input string: \"abc\"");16        thrown.expectMessage("For input string: \"123\"");17        Integer.parseInt("abc");18    }19    public void testException3() {20        thrown.expect(NumberFormatException.class);21        thrown.expectMessage("For input string");22        thrown.expectMessage("For input string: \"abc\"");23        thrown.expectMessage("For input string: \"123\"");24        thrown.expectMessage("For input string: \"abc\"");25        Integer.parseInt("abc");26    }27    public void testException4() {28        thrown.expect(NumberFormatException.class);29        thrown.expectMessage("For input string");30        thrown.expectMessage("For input string: \"abc\"");31        thrown.expectMessage("For input string: \"123\"");32        thrown.expectMessage("For input string: \"abc\"");33        thrown.expectMessage("For input string: \"123\"");34        Integer.parseInt("abc");35    }36    public void testException5() {37        thrown.expect(NumberFormatException.class);38        thrown.expectMessage("For input string");39        thrown.expectMessage("For input string: \"abc\"");40        thrown.expectMessage("For input string: \"123\"");41        thrown.expectMessage("For input string: \"abc\"");42        thrown.expectMessage("For input string: \"123\"");43        thrown.expectMessage("For input string: \"abc\"");44        Integer.parseInt("abc");45    }46    public void testException6() {47        thrown.expect(NumberFormatException.class);48        thrown.expectMessage("For input string");49        thrown.expectMessage("For input string: \"abc\"");50        thrown.expectMessage("For input string: \"123\"");51        thrown.expectMessage("For input string: \"abc\"");52        thrown.expectMessage("For input string: \"123\"");53        thrown.expectMessage("For input string: \"abc\"");54        thrown.expectMessage("For input string: \"123\"");

isAnyExceptionExpected

Using AI Code Generation

1import org.junit.Rule;2import org.junit.Test;3import org.junit.rules.ExpectedException;4public class ExpectedExceptionExample {5    public ExpectedException expectedException = ExpectedException.none();6    public void test() {7        expectedException.expect(RuntimeException.class);8        expectedException.expectMessage("RuntimeException");9        throw new RuntimeException("RuntimeException");10    }11    public void test2() {12        expectedException.expect(RuntimeException.class);13        expectedException.expectMessage("RuntimeException");14        throw new RuntimeException("RuntimeException");15    }16}17    at org.junit.Assert.assertEquals(Assert.java:115)18    at org.junit.Assert.assertEquals(Assert.java:144)19    at org.junit.rules.ExpectedException.handleException(ExpectedException.java:248)20    at org.junit.rules.ExpectedException.access$100(ExpectedException.java:107)21    at org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:231)22    at org.junit.rules.RunRules.evaluate(RunRules.java:20)23    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)24    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)25    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)26    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)27    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)28    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)29    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)30    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)31    at org.junit.runners.ParentRunner.run(ParentRunner.java:363)32    at org.junit.runners.Suite.runChild(Suite.java:128)33    at org.junit.runners.Suite.runChild(Suite.java:27)34    at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)35    at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)36    at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)37    at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)38    at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)

isAnyExceptionExpected

Using AI Code Generation

1import org.junit.Test;2import org.junit.Rule;3import org.junit.rules.ExpectedException;4public class TestException {5    public ExpectedException thrown = ExpectedException.none();6    public void testException() {7        thrown.expect(NumberFormatException.class);8        thrown.expectMessage("For input string");9        Integer.parseInt("One");10    }11    public void testException1() {12        thrown.expect(NumberFormatException.class);13        thrown.expectMessage("For input string");14        thrown.expectMessage("One");15        Integer.parseInt("One");16    }17    public void testException2() {18        thrown.expect(NumberFormatException.class);19        thrown.expectMessage("For input string");20        thrown.expectMessage("Two");21        Integer.parseInt("One");22    }23    public void testException3() {24        thrown.expect(NumberFormatException.class);25        thrown.expectMessage("For input string");26        thrown.expectMessage("Two");27        thrown.expectMessage("One");28        Integer.parseInt("One");29    }30    public void testException4() {31        thrown.expect(NumberFormatException.class);32        thrown.expectMessage("For input string");33        thrown.expectMessage("Two");34        thrown.expectMessage("One");35        Integer.parseInt("Two");36    }37}38testException1(TestException)  Time elapsed: 0.001 sec  <<< FAILURE!39    at org.junit.Assert.assertEquals(Assert.java:115)40    at org.junit.Assert.assertEquals(Assert.java:144)41    at org.junit.rules.ExpectedException.access$100(ExpectedException.java:101)42    at org.junit.rules.ExpectedException$ExpectedExceptionStatement.evaluate(ExpectedException.java:265)43    at org.junit.rules.RunRules.evaluate(RunRules.java:20)44    at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)45    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)46    at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)47    at org.junit.runners.ParentRunner$3.run(ParentRunner

isAnyExceptionExpected

Using AI Code Generation

1public void test() throws Exception {2    expected.expect(Exception.class);3    expected.expectMessage("Expected");4    expected.expectCause(isA(Throwable.class));5    expected.expectCause(hasProperty("message", is("Expected")));6    expected.expectCause(hasProperty("cause", isA(Exception.class)));7    expected.expectCause(hasProperty("cause", hasProperty("message", is("Expected"))));8}9@Test(expectedExceptions = Exception.class, expectedExceptionsMessageRegExp = "Expected", expectedExceptionsMessageRegExp = "Expected", expectedExceptionsMessageRegExp = "Expected", expectedExceptionsMessageRegExp = "Expected")10public void test() throws Exception {11    throw new Exception("Expected", new Exception("Expected", new Exception("Expected")));12}13@Test(expected = Exception.class, expected = Exception.class, expected = Exception.class, expected = Exception.class)14public void test() throws Exception {15    throw new Exception("Expected", new Exception("Expected", new Exception("Expected")));16}17@Test(expected = Exception.class, expected = Exception.class, expected = Exception.class, expected = Exception.class)18public void test() throws Exception {19    throw new Exception("Expected", new Exception("Expected", new Exception("Expected")));20}21@Tested(expected = Exception.class, expected = Exception.class, expected = Exception.class, expected = Exception.class)22public void test() throws Exception {23    throw new Exception("Expected", new Exception("Expected", new Exception("Expected")));24}25def "test"() {26    throw new Exception("Expected", new Exception("Expected", new Exception("Expected")))27}28def "test"() {29    throw new Exception("Expected", new Exception("Expected", new Exception("Expected")))30    Exception e = thrown()31}32def "test"() {33    throw new Exception("Expected", new Exception("Expected", new Exception("Expected")))

JUnit Tutorial:

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JUnit Tutorial Chapters:

Here are the detailed JUnit testing chapters to help you get started:

Importance of Unit testing - Learn why Unit testing is essential during the development phase to identify bugs and errors.
Top Java Unit testing frameworks - Here are the upcoming JUnit automation testing frameworks that you can use in 2023 to boost your unit testing.
What is the JUnit framework
Why is JUnit testing important - Learn the importance and numerous benefits of using the JUnit testing framework.
Features of JUnit - Learn about the numerous features of JUnit and why developers prefer it.
JUnit 5 vs. JUnit 4: Differences - Here is a complete comparison between JUnit 5 and JUnit 4 testing frameworks.
Setting up the JUnit environment - Learn how to set up your JUnit testing environment.
Getting started with JUnit testing - After successfully setting up your JUnit environment, this chapter will help you get started with JUnit testing in no time.
Parallel testing with JUnit - Parallel Testing can be used to reduce test execution time and improve test efficiency. Learn how to perform parallel testing with JUnit.
Annotations in JUnit - When writing automation scripts with JUnit, we can use JUnit annotations to specify the type of methods in our test code. This helps us identify those methods when we run JUnit tests using Selenium WebDriver. Learn in detail what annotations are in JUnit.
Assertions in JUnit - Assertions are used to validate or test that the result of an action/functionality is the same as expected. Learn in detail what assertions are and how to use them while performing JUnit testing.
Parameterization in JUnit - Parameterized Test enables you to run the same automated test scripts with different variables. By collecting data on each method's test parameters, you can minimize time spent on writing tests. Learn how to use parameterization in JUnit.
Nested Tests In JUnit 5 - A nested class is a non-static class contained within another class in a hierarchical structure. It can share the state and setup of the outer class. Learn about nested annotations in JUnit 5 with examples.
Best practices for JUnit testing - Learn about the best practices, such as always testing key methods and classes, integrating JUnit tests with your build, and more to get the best possible results.
Advanced Use Cases for JUnit testing - Take a deep dive into the advanced use cases, such as how to run JUnit tests in Jupiter, how to use JUnit 5 Mockito for Unit testing, and more for JUnit testing.