Add setting for retry exception logging (#57)

gradle.properties

@@ -1,5 +1,5 @@
 profile=java8
-version=3.0.7-SNAPSHOT
+version=3.0.8-SNAPSHOT
 org.gradle.java.installations.auto-detect=false
 org.gradle.java.installations.auto-download=false
 org.gradle.java.installations.fromEnv=JDK7_HOME,JDK8_HOME,JDK11_HOME

src/main/java/com/nordstrom/automation/testng/RetryManager.java

@@ -110,13 +110,8 @@ public boolean retry(final ITestResult result) {
             doRetry = isRetriable(result);
 
             if (doRetry) {
-                if (logger.isDebugEnabled()) {
-                    logger.debug("### RETRY ### [{}/{}] {}",
-                            invocation.suiteName, invocation.testName, invocation, result.getThrowable());
-                } else {
-                    logger.warn("### RETRY ### [{}/{}] {}",
-                            invocation.suiteName, invocation.testName, invocation);
-                }
+                logger.warn("### RETRY ### [{}/{}] {}", invocation.suiteName, invocation.testName, invocation,
+                        getThrowableToLog(result));
             }
         }
 
@@ -139,4 +134,17 @@ protected boolean isRetriable(final ITestResult result) {
         }
         return false;
     }
+
+    /**
+     * Get the {@link Throwable} to log with the retry notification.
+     * 
+     * @param result result of test method that's being retried
+     * @return if exception logging is indicated, the exception that caused the test to fail; otherwise {@code null}
+     */
+    private Throwable getThrowableToLog(ITestResult result) {
+        if (logger.isDebugEnabled() || config.getBoolean(TestNGSettings.RETRY_MORE_INFO.key())) {
+            return result.getThrowable();
+        }
+        return null;
+    }
 }

src/main/java/com/nordstrom/automation/testng/TestNGConfig.java

@@ -32,12 +32,42 @@ public class TestNGConfig extends SettingsCore<TestNGConfig.TestNGSettings> {
      * the {@code testng.properties} file and System property declarations.
      */
     public enum TestNGSettings implements SettingsCore.SettingsAPI {
-        /** name: <b>testng.timeout.test</b> <br> default: {@code null} */
+        /**
+         * This setting specifies the global default
+         * <a href="https://javadoc.io/static/org.testng/testng/7.5/org/testng/annotations/Test.html#timeOut()">
+         * method timeout</a> in milliseconds.
+         * <p>
+         * name: <b>testng.timeout.test</b><br>
+         * default: {@code null}
+         */
         TEST_TIMEOUT("testng.timeout.test", null),
-        /** name: <b>testng.retry.analyzer</b> <br> default: <b>com.nordstrom.automation.testng.RetryManager</b> */
+
+        /**
+         * This setting specifies the fully-qualified class name of the default <b>TestNG</b>
+         * <a href="https://javadoc.io/static/org.testng/testng/7.5/org/testng/annotations/Test.html#retryAnalyzer()">
+         * retry analyzer</a>.
+         * <p>
+         * name: <b>testng.retry.analyzer</b><br>
+         * default: <b>{@link com.nordstrom.automation.testng.RetryManager}</b>
+         */
         RETRY_ANALYZER("testng.retry.analyzer", "com.nordstrom.automation.testng.RetryManager"),
-        /** name: <b>testng.max.retry</b> <br> default: <b>0</b> */
-        MAX_RETRY("testng.max.retry", "0");
+
+        /**
+         * This setting specifies the maximum number of times a failed method will be retried.
+         * <p>
+         * name: <b>testng.max.retry</b><br>
+         * default: <b>0</b>
+         */
+        MAX_RETRY("testng.max.retry", "0"),
+
+        /**
+         * This setting specifies whether the exception that caused a test to fail will be logged in the notification
+         * that the test is being retried.
+         * <p>
+         * name: <b>retry.more.info</b><br>
+         * default: {@code false}
+         */
+        RETRY_MORE_INFO("retry.more.info", "false");
 
         private String propertyName;
         private String defaultValue;