javascript filter result convert to java boolean (#10721)

* javascript filter result convert to java boolean

* use type convert replace script convert, and add more unit test
Co-authored-by: Nqinzhen <qinzhen@kuaishou.com>

processing/src/main/java/org/apache/druid/query/filter/JavaScriptDimFilter.java

@@ -36,6 +36,7 @@ import org.checkerframework.checker.nullness.qual.EnsuresNonNull;
 import org.checkerframework.checker.nullness.qual.MonotonicNonNull;
 import org.mozilla.javascript.Context;
 import org.mozilla.javascript.Function;
+import org.mozilla.javascript.ScriptRuntime;
 import org.mozilla.javascript.ScriptableObject;
 
 import javax.annotation.Nullable;
@@ -155,7 +156,8 @@ public class JavaScriptDimFilter extends AbstractOptimizableDimFilter implements
    * script compilation.
    */
   @EnsuresNonNull("predicateFactory")
-  private JavaScriptPredicateFactory getPredicateFactory()
+  @VisibleForTesting
+  JavaScriptPredicateFactory getPredicateFactory()
   {
     // JavaScript configuration should be checked when it's actually used because someone might still want Druid
     // nodes to be able to deserialize JavaScript-based objects even though JavaScript is disabled.
@@ -327,7 +329,14 @@ public class JavaScriptDimFilter extends AbstractOptimizableDimFilter implements
       if (extractionFn != null) {
         input = extractionFn.apply(input);
       }
-      return Context.toBoolean(fnApply.call(cx, scope, scope, new Object[]{input}));
+      Object fnResult = fnApply.call(cx, scope, scope, new Object[]{input});
+      if (fnResult instanceof ScriptableObject) {
+        // Direct return js function result (like arr.includes) will return org.mozilla.javascript.NativeBoolean,
+        // Context.toBoolean always treat it as true, even if it is false. Convert it to java.lang.Boolean first to fix this mistake.
+        return Context.toBoolean(((ScriptableObject) fnResult).getDefaultValue(ScriptRuntime.BooleanClass));
+      } else {
+        return Context.toBoolean(fnResult);
+      }
     }
 
     @Override

processing/src/test/java/org/apache/druid/query/filter/JavaScriptDimFilterTest.java

@@ -113,4 +113,48 @@ public class JavaScriptDimFilterTest
     JavaScriptDimFilter javaScriptDimFilter = new JavaScriptDimFilter("dim", FN1, null, new JavaScriptConfig(false));
     Assert.assertEquals(javaScriptDimFilter.getRequiredColumns(), Sets.newHashSet("dim"));
   }
+
+  @Test
+  public void testPredicateFactoryApplyObject()
+  {
+    // test for return org.mozilla.javascript.NativeBoolean
+    JavaScriptDimFilter javaScriptDimFilter = new JavaScriptDimFilter(
+            "dim",
+            "function(id) { return ['123', '456'].includes(id); }",
+            null,
+            JavaScriptConfig.getEnabledInstance()
+    );
+    Assert.assertTrue(javaScriptDimFilter.getPredicateFactory().applyObject("123"));
+    Assert.assertTrue(javaScriptDimFilter.getPredicateFactory().applyObject("456"));
+    Assert.assertFalse(javaScriptDimFilter.getPredicateFactory().applyObject("789"));
+
+    // test for return java.lang.Boolean
+    JavaScriptDimFilter javaScriptDimFilter1 = new JavaScriptDimFilter(
+            "dim",
+            "function(id) { return ['123', '456'].includes(id) == true; }",
+            null,
+            JavaScriptConfig.getEnabledInstance()
+    );
+    Assert.assertTrue(javaScriptDimFilter1.getPredicateFactory().applyObject("123"));
+    Assert.assertTrue(javaScriptDimFilter1.getPredicateFactory().applyObject("456"));
+    Assert.assertFalse(javaScriptDimFilter1.getPredicateFactory().applyObject("789"));
+
+    // test for return other type
+    JavaScriptDimFilter javaScriptDimFilter2 = new JavaScriptDimFilter(
+            "dim",
+            "function(id) { return 'word'; }",
+            null,
+            JavaScriptConfig.getEnabledInstance()
+    );
+    Assert.assertTrue(javaScriptDimFilter2.getPredicateFactory().applyObject("123"));
+
+    // test for return null
+    JavaScriptDimFilter javaScriptDimFilter3 = new JavaScriptDimFilter(
+            "dim",
+            "function(id) { return null; }",
+            null,
+            JavaScriptConfig.getEnabledInstance()
+    );
+    Assert.assertFalse(javaScriptDimFilter3.getPredicateFactory().applyObject("123"));
+  }
 }