feat: Add checkbox to enable/disable params in HTTP Sampler

src/core/src/main/java/org/apache/jmeter/config/Arguments.java

@@ -23,11 +23,13 @@
 import java.util.List;
 import java.util.Map;
 
+import org.apache.commons.collections4.iterators.FilterIterator;
 import org.apache.jmeter.testelement.property.CollectionProperty;
 import org.apache.jmeter.testelement.property.JMeterProperty;
 import org.apache.jmeter.testelement.property.PropertyIterator;
 import org.apache.jmeter.testelement.property.TestElementProperty;
 import org.apache.jmeter.testelement.schema.PropertiesAccessor;
+import org.apiguardian.api.API;
 
 /**
  * A set of Argument objects.
@@ -100,7 +102,7 @@ public Map<String, String> getArgumentsAsMap() {
             // that this element's values prevail over defaults provided by
             // configuration
             // elements:
-            if (!argMap.containsKey(arg.getName())) {
+            if (!argMap.containsKey(arg.getName()) && arg.isEnabled()) {
                 argMap.put(arg.getName(), arg.getValue());
             }
         }
@@ -173,6 +175,18 @@ public PropertyIterator iterator() {
         return getArguments().iterator();
     }
 
+    /**
+     * Returns the list of enabled arguments.
+     * @return the list of enabled arguments
+     */
+    @API(since = "5.6", status = API.Status.EXPERIMENTAL)
+    public Iterable<JMeterProperty> getEnabledArguments() {
+        return () -> new FilterIterator<>(iterator(), property -> {
+            Object value = property.getObjectValue();
+            return value instanceof Argument argument && argument.isEnabled();
+        });
+    }
+
     /**
      * Create a string representation of the arguments.
      *

src/core/src/testFixtures/kotlin/org/apache/jmeter/treebuilder/TreeBuilderExtensions.kt

@@ -0,0 +1,34 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to you under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.jmeter.treebuilder
+
+import org.apache.jmeter.control.LoopController
+import org.apache.jmeter.threads.ThreadGroup
+
+fun TreeBuilder.oneRequest(body: ThreadGroup.() -> Unit) {
+    ThreadGroup::class {
+        numThreads = 1
+        rampUp = 0
+        setSamplerController(
+            LoopController().apply {
+                loops = 1
+            }
+        )
+        body()
+    }
+}

src/functions/src/test/kotlin/org/apache/jmeter/timers/ConstantThroughputTimerKtTest.kt

@@ -17,30 +17,15 @@
 
 package org.apache.jmeter.timers
 
-import org.apache.jmeter.control.LoopController
 import org.apache.jmeter.junit.JMeterTestCase
 import org.apache.jmeter.sampler.DebugSampler
 import org.apache.jmeter.test.assertions.executePlanAndCollectEvents
-import org.apache.jmeter.threads.ThreadGroup
-import org.apache.jmeter.treebuilder.TreeBuilder
+import org.apache.jmeter.treebuilder.oneRequest
 import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.Test
 import kotlin.time.Duration.Companion.seconds
 
 class ConstantThroughputTimerKtTest : JMeterTestCase() {
-    fun TreeBuilder.oneRequest(body: ThreadGroup.() -> Unit) {
-        ThreadGroup::class {
-            numThreads = 1
-            rampUp = 0
-            setSamplerController(
-                LoopController().apply {
-                    loops = 1
-                }
-            )
-            body()
-        }
-    }
-
     @Test
     fun `throughput as variable`() {
         val events = executePlanAndCollectEvents(5.seconds) {

src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/config/gui/UrlConfigGui.java

@@ -261,7 +261,7 @@ private static String computePostBody(Arguments arguments) {
      */
     private static String computePostBody(Arguments arguments, boolean crlfToLF) {
         StringBuilder postBody = new StringBuilder();
-        for (JMeterProperty argument : arguments) {
+        for (JMeterProperty argument : arguments.getEnabledArguments()) {
             HTTPArgument arg = (HTTPArgument) argument.getObjectValue();
             String value = arg.getValue();
             if (crlfToLF) {

src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/gui/HTTPArgumentsPanel.java

@@ -39,12 +39,15 @@
 /**
  * A GUI panel allowing the user to enter HTTP Parameters.
  * These have names and values, as well as check-boxes to determine whether or not to
- * include the "=" sign in the output and whether or not to encode the output.
+ * include the "=" sign in the output and whether or not to encode the output and
+ * whether or not to enable them.
  */
 public class HTTPArgumentsPanel extends ArgumentsPanel {
 
     private static final long serialVersionUID = 240L;
 
+    private static final String ENABLE = "enable"; //$NON-NLS-1$
+
     private static final String ENCODE_OR_NOT = "encode?"; //$NON-NLS-1$
 
     private static final String INCLUDE_EQUALS = "include_equals"; //$NON-NLS-1$
@@ -60,21 +63,23 @@ public class HTTPArgumentsPanel extends ArgumentsPanel {
     @Override
     protected void initializeTableModel() {
         tableModel = new ObjectTableModel(new String[] {
-                ArgumentsPanel.COLUMN_RESOURCE_NAMES_0, ArgumentsPanel.COLUMN_RESOURCE_NAMES_1, ENCODE_OR_NOT, CONTENT_TYPE, INCLUDE_EQUALS },
+                ENABLE, ArgumentsPanel.COLUMN_RESOURCE_NAMES_0, ArgumentsPanel.COLUMN_RESOURCE_NAMES_1, ENCODE_OR_NOT, CONTENT_TYPE, INCLUDE_EQUALS },
                 HTTPArgument.class,
                 new Functor[] {
+                new Functor("isEnabled"), //$NON-NLS-1$
                 new Functor("getName"), //$NON-NLS-1$
                 new Functor("getValue"), //$NON-NLS-1$
                 new Functor("isAlwaysEncoded"), //$NON-NLS-1$
                 new Functor("getContentType"), //$NON-NLS-1$
                 new Functor("isUseEquals") }, //$NON-NLS-1$
                 new Functor[] {
+                new Functor("setEnabled"), //$NON-NLS-1$
                 new Functor("setName"), //$NON-NLS-1$
                 new Functor("setValue"), //$NON-NLS-1$
                 new Functor("setAlwaysEncoded"), //$NON-NLS-1$
                 new Functor("setContentType"),
                 new Functor("setUseEquals")}, //$NON-NLS-1$
-                new Class[] {String.class, String.class, Boolean.class, String.class, Boolean.class });
+                new Class[] {Boolean.class, String.class, String.class, Boolean.class, String.class, Boolean.class });
     }
 
     public static boolean testFunctors(){
@@ -85,6 +90,7 @@ public static boolean testFunctors(){
 
     @Override
     protected void sizeColumns(JTable table) {
+        GuiUtils.fixSize(table.getColumn(ENABLE), table);
         GuiUtils.fixSize(table.getColumn(INCLUDE_EQUALS), table);
         GuiUtils.fixSize(table.getColumn(ENCODE_OR_NOT), table);
     }

src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/sampler/AjpSampler.java

@@ -279,7 +279,7 @@ private String setConnectionHeaders(URL url, String host, String method)
                 setString(HTTPConstants.APPLICATION_X_WWW_FORM_URLENCODED);
                 StringBuilder sb = new StringBuilder();
                 boolean first = true;
-                for (JMeterProperty arg : getArguments()) {
+                for (JMeterProperty arg : getArguments().getEnabledArguments()) {
                     if (first) {
                         first = false;
                     } else {

src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/sampler/HTTPHC4Impl.java

@@ -158,7 +158,6 @@
 import org.apache.jmeter.services.FileServer;
 import org.apache.jmeter.testelement.property.CollectionProperty;
 import org.apache.jmeter.testelement.property.JMeterProperty;
-import org.apache.jmeter.testelement.property.PropertyIterator;
 import org.apache.jmeter.threads.JMeterContextService;
 import org.apache.jmeter.threads.JMeterVariables;
 import org.apache.jmeter.util.JMeterUtils;
@@ -1562,7 +1561,7 @@ protected String setupHttpEntityEnclosingRequestData(HttpEntityEnclosingRequestB
             }
             // Create the parts
             // Add any parameters
-            for (JMeterProperty jMeterProperty : getArguments()) {
+            for (JMeterProperty jMeterProperty : getArguments().getEnabledArguments()) {
                 HTTPArgument arg = (HTTPArgument) jMeterProperty.getObjectValue();
                 String parameterName = arg.getName();
                 if (arg.isSkippable(parameterName)) {
@@ -1644,7 +1643,7 @@ else if(ADD_CONTENT_TYPE_TO_POST_IF_MISSING) {
 
                     // Just append all the parameter values, and use that as the post body
                     StringBuilder postBody = new StringBuilder();
-                    for (JMeterProperty jMeterProperty : getArguments()) {
+                    for (JMeterProperty jMeterProperty : getArguments().getEnabledArguments()) {
                         HTTPArgument arg = (HTTPArgument) jMeterProperty.getObjectValue();
                         postBody.append(arg.getEncodedValue(contentEncoding));
                     }
@@ -1787,10 +1786,9 @@ else if(getSendParameterValuesAsPostBody()) {
     private UrlEncodedFormEntity createUrlEncodedFormEntity(final String urlContentEncoding) throws UnsupportedEncodingException {
         // It is a normal request, with parameter names and values
         // Add the parameters
-        PropertyIterator args = getArguments().iterator();
         List<NameValuePair> nvps = new ArrayList<>();
-        while (args.hasNext()) {
-            HTTPArgument arg = (HTTPArgument) args.next().getObjectValue();
+        for (JMeterProperty jMeterProperty: getArguments().getEnabledArguments()) {
+            HTTPArgument arg = (HTTPArgument) jMeterProperty.getObjectValue();
             // The HTTPClient always urlencodes both name and value,
             // so if the argument is already encoded, we have to decode
             // it before adding it to the post request

src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/sampler/HTTPSamplerBase.java

@@ -79,7 +79,6 @@
 import org.apache.jmeter.testelement.ThreadListener;
 import org.apache.jmeter.testelement.property.CollectionProperty;
 import org.apache.jmeter.testelement.property.JMeterProperty;
-import org.apache.jmeter.testelement.property.PropertyIterator;
 import org.apache.jmeter.testelement.schema.PropertiesAccessor;
 import org.apache.jmeter.testelement.schema.PropertyDescriptor;
 import org.apache.jmeter.threads.JMeterContext;
@@ -410,7 +409,7 @@ public boolean getSendParameterValuesAsPostBody() {
             return true;
         } else {
             boolean hasArguments = false;
-            for (JMeterProperty jMeterProperty : getArguments()) {
+            for (JMeterProperty jMeterProperty : getArguments().getEnabledArguments()) {
                 hasArguments = true;
                 HTTPArgument arg = (HTTPArgument) jMeterProperty.getObjectValue();
                 if (arg.getName() != null && !arg.getName().isEmpty()) {
@@ -1156,9 +1155,10 @@ public String getQueryString() {
      */
     public String getQueryString(final String contentEncoding) {
 
-        CollectionProperty arguments = getArguments().getArguments();
+        Arguments args = getArguments();
+        Iterator<JMeterProperty> iter = args.getEnabledArguments().iterator();
         // Optimisation : avoid building useless objects if empty arguments
-        if(arguments.isEmpty()) {
+        if (!iter.hasNext()) {
             return "";
         }
         String lContentEncoding = contentEncoding;
@@ -1168,8 +1168,7 @@ public String getQueryString(final String contentEncoding) {
             lContentEncoding = EncoderCache.URL_ARGUMENT_ENCODING;
         }
 
-        StringBuilder buf = new StringBuilder(arguments.size() * 15);
-        PropertyIterator iter = arguments.iterator();
+        StringBuilder buf = new StringBuilder(args.getArgumentCount() * 15);
         boolean first = true;
         while (iter.hasNext()) {
             HTTPArgument item = null;

src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/sampler/PostWriter.java

@@ -191,7 +191,7 @@ public void setHeaders(URLConnection connection, HTTPSamplerBase sampler) throws
             ByteArrayOutputStream bos = new ByteArrayOutputStream();
             OutputStreamWriter osw = new OutputStreamWriter(bos, contentEncoding);
             // Add any parameters
-            for (JMeterProperty jMeterProperty : sampler.getArguments()) {
+            for (JMeterProperty jMeterProperty : sampler.getArguments().getEnabledArguments()) {
                 HTTPArgument arg = (HTTPArgument) jMeterProperty.getObjectValue();
                 String parameterName = arg.getName();
                 if (arg.isSkippable(parameterName)) {
@@ -300,7 +300,7 @@ public void setHeaders(URLConnection connection, HTTPSamplerBase sampler) throws
 
                     // Just append all the parameter values, and use that as the post body
                     StringBuilder postBodyBuffer = new StringBuilder();
-                    for (JMeterProperty jMeterProperty : sampler.getArguments()) {
+                    for (JMeterProperty jMeterProperty : sampler.getArguments().getEnabledArguments()) {
                         HTTPArgument arg = (HTTPArgument) jMeterProperty.getObjectValue();
                         postBodyBuffer.append(arg.getEncodedValue(contentEncoding));
                     }

src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/sampler/PutWriter.java

@@ -85,7 +85,7 @@ else if(sampler.getSendParameterValuesAsPostBody()) {
 
             // Just append all the parameter values, and use that as the put body
             StringBuilder putBodyBuffer = new StringBuilder();
-             for (JMeterProperty jMeterProperty : sampler.getArguments()) {
+             for (JMeterProperty jMeterProperty : sampler.getArguments().getEnabledArguments()) {
                  HTTPArgument arg = (HTTPArgument) jMeterProperty.getObjectValue();
                  putBodyBuffer.append(arg.getEncodedValue(contentEncoding));
              }