package kg.apc.jmeter.functions;

import org.apache.jmeter.engine.util.CompoundVariable;
import org.apache.jmeter.functions.AbstractFunction;
import org.apache.jmeter.functions.InvalidVariableException;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.samplers.Sampler;

import java.util.Collection;
import java.util.LinkedList;
import java.util.List;

/**
 * Created by adizek on 22/06/2015.
 */
public class If extends AbstractFunction {
    private static final List<String> desc = new LinkedList<String>();
    private static final String KEY = "__if";

    static {
        desc.add("Actual value");
        desc.add("Expected value");
        desc.add("Result if actual == expected");
        desc.add("Result if actual != expected");
    }

    private Object[] values;

    public If() {
    }

    @Override
    public synchronized String execute(SampleResult previousResult, Sampler currentSampler)
            throws InvalidVariableException {

        String actual = getParameter(0);
        String expected = getParameter(1);

        if (actual.equals(expected)) {
            return getParameter(2).toString();
        } else {
            return getParameter(3).toString();
        }

    }

    @Override
    public synchronized void setParameters(Collection<CompoundVariable> parameters) throws InvalidVariableException {
        checkMinParameterCount(parameters, 4);
        values = parameters.toArray();
    }

    @Override
    public String getReferenceKey() {
        return KEY;
    }

    @Override
    public List<String> getArgumentDesc() {
        return desc;
    }

    private String getParameter(int i) {
        return ((CompoundVariable) values[i]).execute();
    }
}

@@ -286,16 +286,66 @@
 Sampler;
+%0Aimport org.apache.jmeter.threads.JMeterVariables;
 %0A%0Aimport
@@ -804,24 +804,102 @@
 expected%22);%0A
+        desc.add(%22Name of variable in which to store the result (optional)%22);%0A
     %7D%0A%0A    p
@@ -1186,16 +1186,46 @@
 er(1);%0A%0A
+        String result = null;%0A
         
@@ -1261,36 +1261,38 @@
 %7B%0A            re
-turn
+sult =
  getParameter(2)
@@ -1335,20 +1335,22 @@
       re
-turn
+sult =
  getPara
@@ -1377,24 +1377,246 @@
 %0A        %7D%0A%0A
+        JMeterVariables vars = getVariables();%0A        if (vars != null && values.length %3E 4) %7B%0A            String varName = getParameter(4).trim();%0A            vars.put(varName, result);%0A        %7D%0A%0A        return result;%0A
     %7D%0A%0A    @

Add save to variable