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How to use after method of org.junit.rules.ExternalResource class

Best junit code snippet using org.junit.rules.ExternalResource.after

Source:ClassRule.java

...28 * undefined, in general. However, Rules defined by fields will always be applied29 * before Rules defined by methods.30 * <p>31 * For example, here is a test suite that connects to a server once before32 * all the test classes run, and disconnects after they are finished:33 * <pre>34 * &#064;RunWith(Suite.class)35 * &#064;SuiteClasses({A.class, B.class, C.class})36 * public class UsesExternalResource {37 *     public static Server myServer= new Server();38 *39 *     &#064;ClassRule40 *     public static ExternalResource resource= new ExternalResource() {41 *       &#064;Override42 *       protected void before() throws Throwable {43 *          myServer.connect();44 *      }45 *46 *      &#064;Override47 *      protected void after() {48 * 	        myServer.disconnect();49 *      }50 *   };51 * }52 * </pre>53 * <p>54 * and the same using a method55 * <pre>56 * &#064;RunWith(Suite.class)57 * &#064;SuiteClasses({A.class, B.class, C.class})58 * public class UsesExternalResource {59 *     public static Server myServer= new Server();60 *61 *     &#064;ClassRule62 *     public static ExternalResource getResource() {63 *         return new ExternalResource() {64 *             &#064;Override65 *             protected void before() throws Throwable {66 *                 myServer.connect();67 *             }68 *69 *             &#064;Override70 *             protected void after() {71 *                 myServer.disconnect();72 *             }73 *         };74 *     }75 * }76 * </pre>77 * <p>78 * For more information and more examples, see {@link org.junit.rules.TestRule}.79 *80 * @since 4.981 */82@Retention(RetentionPolicy.RUNTIME)83@Target({ElementType.FIELD, ElementType.METHOD})84public @interface ClassRule {...

Source:ExternalResourceTest.java

...14        System.out.println("before");15    }16    @After17    public void tearDown() throws Exception {18        System.out.println("after");19    }20    @Rule21    public final ExternalResource resource = new ExternalResource() {22        @Override23        protected void before() throws Throwable {24            System.out.println("ExternalResource before");25        }26        @Override27        protected void after() {28            System.out.println("ExternalResource after");29        }30    };31    @Test32    public void testExternalResource() throws Exception {33        System.out.println("testExternalResource");34    }35}...

after

Using AI Code Generation

1import org.junit.rules.ExternalResource;2import org.junit.rules.TestRule;3import org.junit.runner.Description;4import org.junit.runners.model.Statement;5public class ExternalResourceRule extends ExternalResource implements TestRule {6    public Statement apply(Statement base, Description description) {7        return super.apply(base, description);8    }9    protected void before() throws Throwable {10        super.before();11    }12    protected void after() {13        super.after();14    }15}16import org.junit.rules.ExternalResource;17import org.junit.rules.TestRule;18import org.junit.runner.Description;19import org.junit.runners.model.Statement;20public class ExternalResourceRule extends ExternalResource implements TestRule {21    public Statement apply(Statement base, Description description) {22        return super.apply(base, description);23    }24    protected void before() throws Throwable {25        super.before();26    }27    protected void after() {28        super.after();29    }30}31import org.junit.rules.ExternalResource;32import org.junit.rules.TestRule;33import org.junit.runner.Description;34import org.junit.runners.model.Statement;35public class ExternalResourceRule extends ExternalResource implements TestRule {36    public Statement apply(Statement base, Description description) {37        return super.apply(base, description);38    }39    protected void before() throws Throwable {40        super.before();41    }42    protected void after() {43        super.after();44    }45}46import org.junit.rules.ExternalResource;47import org.junit.rules.TestRule;48import org.junit.runner.Description;49import org.junit.runners.model.Statement;50public class ExternalResourceRule extends ExternalResource implements TestRule {51    public Statement apply(Statement base, Description description) {52        return super.apply(base, description);53    }54    protected void before() throws Throwable {55        super.before();56    }57    protected void after() {58        super.after();59    }60}61import org.junit.rules.ExternalResource;62import org.junit.rules.TestRule;63import org.junit.runner.Description;64import org.junit.runners.model.Statement;65public class ExternalResourceRule extends ExternalResource implements TestRule {66    public Statement apply(Statement base, Description description) {

after

Using AI Code Generation

1public class Test {2    public ExternalResource resource = new ExternalResource() {3        protected void before() throws Throwable {4        }5        protected void after() {6        }7    };8}

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Importance of Unit testing - Learn why Unit testing is essential during the development phase to identify bugs and errors.
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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.