BAEL-2912 - TestWatcher API

testing-modules/junit-5-advanced/src/main/resources/logback.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<configuration>
+    <appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
+        <encoder>
+            <pattern>%d{HH:mm:ss.SSS} [%thread] %-5level %logger{36} - %msg%n
+            </pattern>
+        </encoder>
+    </appender>
+
+    <root level="INFO">
+        <appender-ref ref="STDOUT" />
+    </root>
+</configuration>

testing-modules/junit-5-advanced/src/test/java/com/baeldung/extensions/testwatcher/TestResultLoggerExtension.java

@@ -0,0 +1,62 @@
+package com.baeldung.extensions.testwatcher;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+import java.util.function.Function;
+import java.util.stream.Collectors;
+
+import org.junit.jupiter.api.extension.AfterAllCallback;
+import org.junit.jupiter.api.extension.ExtensionContext;
+import org.junit.jupiter.api.extension.TestWatcher;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class TestResultLoggerExtension implements TestWatcher, AfterAllCallback {
+
+    private static final Logger LOG = LoggerFactory.getLogger(TestResultLoggerExtension.class);
+
+    private List<TestResultStatus> testResultsStatus = new ArrayList<>();
+
+    private enum TestResultStatus {
+        SUCCESSFUL, ABORTED, FAILED, DISABLED;
+    }
+
+    @Override
+    public void testDisabled(ExtensionContext context, Optional<String> reason) {
+        LOG.info("Test Disabled for test {}: with reason :- {}", context.getDisplayName(), reason.orElse("No reason"));
+
+        testResultsStatus.add(TestResultStatus.DISABLED);
+    }
+
+    @Override
+    public void testSuccessful(ExtensionContext context) {
+        LOG.info("Test Successful for test {}: ", context.getDisplayName());
+
+        testResultsStatus.add(TestResultStatus.SUCCESSFUL);
+    }
+
+    @Override
+    public void testAborted(ExtensionContext context, Throwable cause) {
+        LOG.info("Test Aborted for test {}: ", context.getDisplayName());
+
+        testResultsStatus.add(TestResultStatus.ABORTED);
+    }
+
+    @Override
+    public void testFailed(ExtensionContext context, Throwable cause) {
+        LOG.info("Test Aborted for test {}: ", context.getDisplayName());
+
+        testResultsStatus.add(TestResultStatus.FAILED);
+    }
+
+    @Override
+    public void afterAll(ExtensionContext context) throws Exception {
+        Map<TestResultStatus, Long> summary = testResultsStatus.stream()
+            .collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));
+
+        LOG.info("Test result summary for {} {}", context.getDisplayName(), summary.toString());
+    }
+
+}

testing-modules/junit-5-advanced/src/test/java/com/baeldung/extensions/testwatcher/TestWatcherAPIUnitTest.java

@@ -0,0 +1,36 @@
+package com.baeldung.extensions.testwatcher;
+
+import static org.junit.jupiter.api.Assertions.fail;
+
+import org.junit.Assert;
+import org.junit.jupiter.api.Assumptions;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+
+@ExtendWith(TestResultLoggerExtension.class)
+class TestWatcherAPIUnitTest {
+
+    @Test
+    void givenFalseIsTrue_whenTestAbortedThenCaptureResult() {
+        Assumptions.assumeTrue(false);
+    }
+
+    @Disabled
+    @Test
+    void givenTrueIsTrue_whenTestDisabledThenCaptureResult() {
+        Assert.assertTrue(true);
+    }
+
+    @Test
+    void givenTrueIsTrue_whenTestAbortedThenCaptureResult() {
+        Assumptions.assumeTrue(true);
+    }
+
+    @Disabled("This test is disabled")
+    @Test
+    void givenFailure_whenTestDisabledWithReason_ThenCaptureResult() {
+        fail("Not yet implemented");
+    }
+
+}