src/test/java/org/apache/commons/scxml2/NamespacePrefixedXPathsTest.java

/*
 * 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.commons.scxml2;

import java.util.Set;

import org.apache.commons.scxml2.model.EnterableState;
import org.junit.Assert;
import org.junit.Test;

/**
 * Unit tests for namespace prefixes in XPaths pointing bits in a <data>.
 */
public class NamespacePrefixedXPathsTest {

    /**
     * Test the XPath evaluation
     */
    // JEXL
    @Test
    public void testNamespacePrefixedXPathsJexl() throws Exception {
        SCXMLExecutor exec = SCXMLTestHelper.getExecutor("org/apache/commons/scxml2/env/jexl/datamodel-03.xml");
        exec.go();
        runtest(exec);
    }

    // Same test, since same documents (different expression languages)
    private void runtest(SCXMLExecutor exec) throws Exception {
        // must be in state "ten" at the onset
        Set<EnterableState> currentStates = exec.getStatus().getStates();
        Assert.assertEquals(1, currentStates.size());
        Assert.assertEquals("ten", currentStates.iterator().next().getId());

        // should move to "twenty"
        currentStates = SCXMLTestHelper.fireEvent(exec, "done.state.ten");
        Assert.assertEquals(1, currentStates.size());
        Assert.assertEquals("twenty", currentStates.iterator().next().getId());

        // This is set while exiting "ten"
        Double retval = (Double) exec.getGlobalContext().get("retval");
        Assert.assertEquals(Double.valueOf("11"), retval);

        // On to "thirty"
        currentStates = SCXMLTestHelper.fireEvent(exec, "done.state.twenty");
        Assert.assertEquals(1, currentStates.size());
        Assert.assertEquals("thirty", currentStates.iterator().next().getId());
        exec = SCXMLTestHelper.testInstanceSerializability(exec);

        // Tests XPath on SCXML actions, set while exiting "twenty"
        String retvalstr = (String) exec.getGlobalContext().get("retval");
        Assert.assertEquals("Equal to 20", retvalstr);

        // and so on ...
        currentStates = SCXMLTestHelper.fireEvent(exec, "done.state.thirty");
        Assert.assertEquals(1, currentStates.size());
        Assert.assertEquals("forty", currentStates.iterator().next().getId());

        currentStates = SCXMLTestHelper.fireEvent(exec, "done.state.forty");
        Assert.assertEquals(1, currentStates.size());
        Assert.assertEquals("fifty", currentStates.iterator().next().getId());

        currentStates = SCXMLTestHelper.fireEvent(exec, "done.state.fifty");
        Assert.assertEquals(1, currentStates.size());
        Assert.assertEquals("sixty", (currentStates.iterator().
            next()).getId());

        currentStates = SCXMLTestHelper.fireEvent(exec, "done.state.sixty");
        Assert.assertEquals(1, currentStates.size());
        Assert.assertEquals("seventy", currentStates.iterator().next().getId());

        // done
        Assert.assertTrue(exec.getStatus().isFinal());
    }
}