Minor refactoring

testng-collections/src/main/java/org/testng/util/Strings.java

@@ -1,6 +1,8 @@
 package org.testng.util;
 
 import java.util.Map;
+import java.util.Optional;
+import java.util.stream.Collectors;
 import org.testng.collections.Maps;
 
 public final class Strings {
@@ -13,29 +15,29 @@ private Strings() {
   // because now this method is present in JDK11 as part of the JDK itself.
   // See
   // https://hg.openjdk.java.net/jdk/jdk/file/fc16b5f193c7/src/java.base/share/classes/java/lang/String.java#l2984
+  /** @deprecated - This method stands deprecated as of TestNG <code>7.6.0</code> */
+  @Deprecated
   public static String repeat(String text, int count) {
-    StringBuilder builder = new StringBuilder();
-    for (int i = 0; i < count; i++) {
-      builder.append(text);
-    }
-    return builder.toString();
+    return text.repeat(count);
   }
 
   public static boolean isNullOrEmpty(String string) {
-    return string == null || string.trim().isEmpty();
+    return Optional.ofNullable(string).orElse("").trim().isEmpty();
   }
 
   public static boolean isNotNullAndNotEmpty(String string) {
-    return !(isNullOrEmpty(string));
+    return !isNullOrEmpty(string);
   }
 
   /**
    * @param string - The input String.
    * @return - Returns an empty string if the input String is <code>null</code> (or) empty, else it
    *     returns back the input string.
+   * @deprecated - This method stands deprecated as of TestNG <code>7.6.0</code>
    */
+  @Deprecated
   public static String getValueOrEmpty(String string) {
-    return isNotNullAndNotEmpty(string) ? string : "";
+    return Optional.ofNullable(string).orElse("");
   }
 
   private static final Map<String, String> ESCAPE_HTML_MAP = Maps.newLinkedHashMap();
@@ -55,22 +57,12 @@ public static String escapeHtml(String text) {
   }
 
   public static String valueOf(Map<?, ?> m) {
-    StringBuilder result = new StringBuilder();
-    for (Object o : m.values()) {
-      result.append(o).append(" ");
-    }
-
-    return result.toString();
+    return m.values().stream().map(Object::toString).collect(Collectors.joining(" "));
   }
 
+  /** @deprecated - This is deprecated of TestNG <code>7.6.0</code> */
+  @Deprecated
   public static String join(String delimiter, String[] parts) {
-    StringBuilder sb = new StringBuilder();
-    for (int i = 0; i < parts.length - 1; i++) {
-      sb.append(parts[i]).append(delimiter);
-    }
-    if (parts.length > 0) {
-      sb.append(parts[parts.length - 1]);
-    }
-    return sb.toString();
+    return String.join(delimiter, parts);
   }
 }

testng-core-api/src/main/java/org/testng/reporters/XMLUtils.java

@@ -3,9 +3,9 @@
 import java.text.CharacterIterator;
 import java.text.StringCharacterIterator;
 import java.util.Map.Entry;
+import java.util.Optional;
 import java.util.Properties;
 import javax.annotation.Nullable;
-import org.testng.util.Strings;
 
 /**
  * Static helpers for XML.
@@ -121,7 +121,7 @@ public static void xmlClose(IBuffer result, String indent, String tag, String co
         .append("</")
         .append(tag)
         .append(">")
-        .append(Strings.getValueOrEmpty(comment))
+        .append(Optional.ofNullable(comment).orElse(""))
         .append(EOL);
   }
 

testng-core/src/main/java/org/testng/internal/Yaml.java

@@ -9,7 +9,6 @@
 import java.util.function.Consumer;
 import org.testng.TestNGException;
 import org.testng.internal.objects.InstanceCreator;
-import org.testng.util.Strings;
 import org.testng.xml.XmlClass;
 import org.testng.xml.XmlInclude;
 import org.testng.xml.XmlPackage;
@@ -140,7 +139,7 @@ public static StringBuilder toYaml(XmlSuite suite) {
 
   /** Convert a XmlTest into YAML */
   private static void toYaml(StringBuilder result, XmlTest t) {
-    String sp2 = Strings.repeat(" ", 2);
+    String sp2 = " ".repeat(2);
     result.append("  ").append("- name: ").append(t.getName()).append("\n");
 
     maybeAdd(result, sp2, "junit", t.isJUnit(), XmlSuite.DEFAULT_JUNIT);

testng-core/src/main/java/org/testng/internal/annotations/IgnoreListener.java

@@ -6,7 +6,6 @@
 import org.testng.annotations.ITestAnnotation;
 import org.testng.annotations.Ignore;
 import org.testng.internal.reflect.ReflectionHelper;
-import org.testng.util.Strings;
 
 public class IgnoreListener implements IAnnotationTransformer {
 
@@ -77,7 +76,7 @@ private static Ignore findAnnotation(Package testPackage) {
     }
     String[] parts = testPackage.getName().split("\\.");
     String[] parentParts = Arrays.copyOf(parts, parts.length - 1);
-    String parentPackageName = Strings.join(".", parentParts);
+    String parentPackageName = String.join(".", parentParts);
     if (parentPackageName.isEmpty()) {
       return null;
     }

testng-core/src/main/java/org/testng/internal/invokers/MethodInvocationHelper.java

@@ -10,6 +10,7 @@
 import java.util.Collection;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Optional;
 import java.util.concurrent.ExecutionException;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Future;
@@ -18,6 +19,7 @@
 import java.util.concurrent.TimeUnit;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicReference;
+import java.util.function.Consumer;
 import org.testng.IConfigurable;
 import org.testng.IConfigureCallBack;
 import org.testng.IHookCallBack;
@@ -309,6 +311,12 @@ private static boolean invokeWithTimeoutWithNoExecutor(
       ITestResult testResult,
       IHookable hookable) {
 
+    Consumer<Throwable> failureMarker =
+        t -> {
+          testResult.setThrowable(t);
+          testResult.setStatus(ITestResult.FAILURE);
+        };
+
     InvokeMethodRunnable imr =
         new InvokeMethodRunnable(tm, instance, parameterValues, hookable, testResult);
     long startTime = System.currentTimeMillis();
@@ -339,29 +347,27 @@ private static boolean invokeWithTimeoutWithNoExecutor(
       if (notTimedout) {
         testResult.setStatus(ITestResult.SUCCESS);
       } else {
-        testResult.setThrowable(new ThreadTimeoutException(tm, realTimeOut));
-        testResult.setStatus(ITestResult.FAILURE);
+        failureMarker.accept(new ThreadTimeoutException(tm, realTimeOut));
       }
       return wasInvoked;
+    } catch (TestNotInvokedException e) {
+      failureMarker.accept(e.getCause());
+      return wasInvoked;
     } catch (Exception ex) {
-      if (notTimedout && !interruptByMonitor.get()) {
-        Throwable e = ex.getCause();
+      Throwable e = ex.getCause();
+      boolean wasTimedOut = !(notTimedout && !interruptByMonitor.get());
+      if (wasTimedOut) {
+        e = new ThreadTimeoutException(tm, realTimeOut);
+      } else {
         if (e instanceof TestNGRuntimeException) {
           e = e.getCause();
         }
-        testResult.setThrowable(e);
-      } else {
-        if (!(ex instanceof TestNotInvokedException)) {
-          testResult.setThrowable(new ThreadTimeoutException(tm, realTimeOut));
-        }
       }
-      testResult.setStatus(ITestResult.FAILURE);
+      failureMarker.accept(e);
       return wasInvoked;
     } finally {
       finished.set(true);
-      if (monitorThread != null && monitorThread.isAlive()) {
-        monitorThread.interrupt();
-      }
+      Optional.ofNullable(monitorThread).filter(Thread::isAlive).ifPresent(Thread::interrupt);
     }
   }
 

testng-core/src/test/java/org/testng/reporters/FailedInformationOnConsoleReporter.java

@@ -9,7 +9,6 @@
 import org.testng.ITestContext;
 import org.testng.ITestResult;
 import org.testng.internal.Utils;
-import org.testng.util.Strings;
 import org.testng.xml.XmlSuite;
 
 public class FailedInformationOnConsoleReporter implements IReporter {
@@ -35,30 +34,30 @@ private static void generateReport(String name, ISuiteResult suiteResult) {
     }
 
     if (hasFailedConfigs) {
-      System.err.println(Strings.repeat("=", 100));
+      System.err.println("=".repeat(100));
       System.err.println(
           "::::::Failed Configurations for Suite ::: ["
               + name
               + "] ::: Test name ["
               + ctx.getName()
               + "]::::::");
-      System.err.println(Strings.repeat("=", 100));
+      System.err.println("=".repeat(100));
       failedConfigs.getAllResults().forEach(FailedInformationOnConsoleReporter::generateReport);
-      System.err.println(Strings.repeat("=", 100));
+      System.err.println("=".repeat(100));
       System.err.println("\n\n");
     }
 
     if (hasFailedTests) {
-      System.err.println(Strings.repeat("=", 100));
+      System.err.println("=".repeat(100));
       System.err.println(
           "::::::Failed Tests for Suite ::: ["
               + name
               + "] ::: Test name ["
               + ctx.getName()
               + "]::::::");
-      System.err.println(Strings.repeat("=", 100));
+      System.err.println("=".repeat(100));
       failedTests.getAllResults().forEach(FailedInformationOnConsoleReporter::generateReport);
-      System.err.println(Strings.repeat("=", 100));
+      System.err.println("=".repeat(100));
       System.err.println("\n\n");
     }
   }
@@ -76,6 +75,6 @@ private static void generateReport(ITestResult result) {
     builder.append("\nException:\n");
     builder.append(Utils.shortStackTrace(throwable, false));
     builder.append("\n\n");
-    System.err.println(builder.toString());
+    System.err.println(builder);
   }
 }

testng-core/src/test/kotlin/org/testng/util/StringsTest.kt

@@ -5,20 +5,22 @@ import org.testng.annotations.Test
 
 class StringsTest {
     @Test
-    fun joinEmptyArray() {
-        val emptyArray = arrayOf<String>()
-        assertThat(Strings.join(",", emptyArray)).isEmpty()
+    fun testValueOf() {
+        val input = mapOf(
+            Pair("skill", "Kung-Fu"),
+            Pair("expertise-level", "Master"),
+            Pair("name", "Po")
+        )
+        val expected = "Kung-Fu Master Po"
+        val actual = Strings.valueOf(input)
+        assertThat(actual).isEqualTo(expected)
     }
 
     @Test
-    fun joinArrayWithOneElement() {
-        val array = arrayOf("one")
-        assertThat(Strings.join(",", array)).isEqualTo("one")
-    }
-
-    @Test
-    fun joinArrayWithTwoElements() {
-        val array = arrayOf("one", "two")
-        assertThat(Strings.join(",", array)).isEqualTo("one,two")
+    fun testEscapeHtml() {
+        val input = "&<>"
+        val expected = "&amp;&lt;&gt;"
+        val actual = Strings.escapeHtml(input)
+        assertThat(actual).isEqualTo(expected)
     }
 }