Groovy example source code file (InvokerHelperTest.java)

This example Groovy source code file (InvokerHelperTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Groovy tags/keywords

binding, binding, class, groovyclassloader, groovycodesource, groovycodesource, hashmap, i, invokerhelpertest, script, script, string, string, testcase, util

The Groovy InvokerHelperTest.java source code

package org.codehaus.groovy.runtime;

import java.util.HashMap;

import groovy.lang.Binding;
import groovy.lang.GroovyClassLoader;
import groovy.lang.GroovyCodeSource;
import groovy.lang.Script;
import junit.framework.TestCase;

public class InvokerHelperTest extends TestCase {
    private HashMap bindingVariables;

    protected void setUp() throws Exception {
        bindingVariables = new HashMap();
        bindingVariables.put("name", "hans");
    }

    public void testCreateScriptWithNullClass() {
        Script script = InvokerHelper.createScript(null, new Binding(bindingVariables));
        assertEquals(bindingVariables, script.getBinding().getVariables());
    }

    public void testCreateScriptWithScriptClass() {
        GroovyClassLoader classLoader = new GroovyClassLoader();
        String controlProperty = "text";
        String controlValue = "I am a script";
        String code = controlProperty + " = '" + controlValue + "'";
        GroovyCodeSource codeSource = new GroovyCodeSource(code, "testscript", "/groovy/shell");
        Class scriptClass = classLoader.parseClass(codeSource, false);
        Script script = InvokerHelper.createScript(scriptClass, new Binding(bindingVariables));
        assertEquals(bindingVariables, script.getBinding().getVariables());
        script.run();
        assertEquals(controlValue, script.getProperty(controlProperty));
    }
}