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BAEL-5026: Sneaky Throws - refactoring and fixes (#12334) 

* BAEL-5026: refactored code examples

* BAEL-5026: fixed test
This commit is contained in:
etrandafir93 2022-06-09 23:07:56 +02:00 committed by GitHub
parent edc22b309a
commit 4d6f72f2a3
6 changed files with 50 additions and 83 deletions
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23
core-java-modules/core-java-exceptions/src/main/java/com/baeldung/exceptions/sneakythrows/SneakyRunnable.java
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@ -1,23 +0,0 @@
package com.baeldung.exceptions.sneakythrows;
import lombok.SneakyThrows;
public class SneakyRunnable implements Runnable {
@SneakyThrows
public void run() {
try {
throw new InterruptedException();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
public static void main(String[] args) {
try {
new SneakyRunnable().run();
} catch (Exception e) {
e.printStackTrace();
}
}
}

25
core-java-modules/core-java-exceptions/src/main/java/com/baeldung/exceptions/sneakythrows/SneakyThrows.java
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@ -1,25 +0,0 @@
package com.baeldung.exceptions.sneakythrows;
import java.io.IOException;
public class SneakyThrows {
public static <E extends Throwable> void sneakyThrow(Throwable e) throws E {
throw (E) e;
}
public static void throwsSneakyIOException() {
sneakyThrow(new IOException("sneaky"));
}
public static void main(String[] args) {
try {
throwsSneakyIOException();
} catch (Exception ex) {
ex.printStackTrace();
}
}
}

22
core-java-modules/core-java-exceptions/src/main/java/com/baeldung/exceptions/sneakythrows/SneakyThrowsExamples.java Normal file
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@ -0,0 +1,22 @@
package com.baeldung.exceptions.sneakythrows;
import java.io.IOException;
import lombok.SneakyThrows;
public class SneakyThrowsExamples {
public static <E extends Throwable> void sneakyThrow(Throwable e) throws E {
throw (E) e;
}
public static void throwSneakyIOException() {
sneakyThrow(new IOException("sneaky"));
}
@SneakyThrows
public static void throwSneakyIOExceptionUsingLombok() {
throw new IOException("lombok sneaky");
}
}

17
core-java-modules/core-java-exceptions/src/test/java/com/baeldung/exceptions/sneakythrows/SneakyRunnableUnitTest.java
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@ -1,17 +0,0 @@
package com.baeldung.exceptions.sneakythrows;
import org.junit.Test;
import static junit.framework.TestCase.assertEquals;
public class SneakyRunnableUnitTest {
@Test
public void whenCallSneakyRunnableMethod_thenThrowException() {
try {
new SneakyRunnable().run();
} catch (Exception e) {
assertEquals(InterruptedException.class, e.getStackTrace());
}
}
}

28
core-java-modules/core-java-exceptions/src/test/java/com/baeldung/exceptions/sneakythrows/SneakyThrowsExamplesUnitTest.java Normal file
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@ -0,0 +1,28 @@
package com.baeldung.exceptions.sneakythrows;
import static com.baeldung.exceptions.sneakythrows.SneakyThrowsExamples.throwSneakyIOException;
import static com.baeldung.exceptions.sneakythrows.SneakyThrowsExamples.throwSneakyIOExceptionUsingLombok;
import static org.assertj.core.api.Assertions.assertThatThrownBy;
import java.io.IOException;
import org.junit.Test;
public class SneakyThrowsExamplesUnitTest {
@Test
public void throwSneakyIOException_IOExceptionShouldBeThrown() {
assertThatThrownBy(() -> throwSneakyIOException())
.isInstanceOf(IOException.class)
.hasMessage("sneaky")
.hasStackTraceContaining("SneakyThrowsExamples.throwSneakyIOException");
}
@Test
public void throwSneakyIOExceptionUsingLombok_IOExceptionShouldBeThrown() {
assertThatThrownBy(() -> throwSneakyIOExceptionUsingLombok())
.isInstanceOf(IOException.class)
.hasMessage("lombok sneaky")
.hasStackTraceContaining("SneakyThrowsExamples.throwSneakyIOExceptionUsingLombok");
}
}

18
core-java-modules/core-java-exceptions/src/test/java/com/baeldung/exceptions/sneakythrows/SneakyThrowsUnitTest.java
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@ -1,18 +0,0 @@
package com.baeldung.exceptions.sneakythrows;
import org.junit.Test;
import static junit.framework.TestCase.assertEquals;
public class SneakyThrowsUnitTest {
@Test
public void whenCallSneakyMethod_thenThrowSneakyException() {
try {
SneakyThrows.throwsSneakyIOException();
} catch (Exception ex) {
assertEquals("sneaky", ex.getMessage().toString());
}
}
}