org.apache.taverna.scufl2.translator.t2flow.TestComponentActivityParser.java Source code

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Here is the source code for org.apache.taverna.scufl2.translator.t2flow.TestComponentActivityParser.java

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package org.apache.taverna.scufl2.translator.t2flow;
/*
 *
 * 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
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 * Unless required by applicable law or agreed to in writing,
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 * KIND, either express or implied.  See the License for the
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*/

import static org.apache.taverna.scufl2.translator.t2flow.defaultactivities.ComponentActivityParser.ACTIVITY_URI;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;

import java.net.URL;
import java.util.Iterator;

import org.apache.taverna.scufl2.api.activity.Activity;
import org.apache.taverna.scufl2.api.common.Scufl2Tools;
import org.apache.taverna.scufl2.api.configurations.Configuration;
import org.apache.taverna.scufl2.api.container.WorkflowBundle;
import org.apache.taverna.scufl2.api.core.Processor;
import org.apache.taverna.scufl2.api.profiles.Profile;
import org.apache.taverna.scufl2.translator.t2flow.T2FlowParser;
import org.junit.Test;

import com.fasterxml.jackson.databind.node.ObjectNode;

public class TestComponentActivityParser {
    private static final String WF_SIMPLE_COMPONENT = "/component_simple.t2flow";
    private static Scufl2Tools scufl2Tools = new Scufl2Tools();

    private WorkflowBundle parseWorkflow(String wfPath) throws Exception {
        URL wfResource = getClass().getResource(wfPath);
        assertNotNull("could not find workflow " + wfPath, wfResource);
        T2FlowParser parser = new T2FlowParser();
        parser.setValidating(true);
        parser.setStrict(true);
        WorkflowBundle researchObj = parser.parseT2Flow(wfResource.openStream());
        return researchObj;
    }

    @Test
    public void parseSimpleTell() throws Exception {
        WorkflowBundle researchObj = parseWorkflow(WF_SIMPLE_COMPONENT);
        Profile profile = researchObj.getMainProfile();
        assertNotNull("could not find profile in bundle", profile);

        Processor comp = researchObj.getMainWorkflow().getProcessors().getByName("combiner");
        assertNotNull("could not find processor 'combiner'", comp);

        Configuration config = scufl2Tools.configurationForActivityBoundToProcessor(comp, profile);

        Activity act = (Activity) config.getConfigures();
        assertEquals(ACTIVITY_URI, act.getType());

        ObjectNode resource = config.getJsonAsObjectNode();
        assertEquals(ACTIVITY_URI.resolve("#Config"), config.getType());

        int length = 0;
        Iterator<?> i = resource.fieldNames();
        while (i.hasNext()) {
            i.next();
            length++;
        }
        assertEquals("must be exactly 4 items in the translated component", 4, length);

        assertEquals("http://www.myexperiment.org", resource.get("registryBase").textValue());
        assertEquals("SCAPE Utility Components", resource.get("familyName").textValue());
        assertEquals("MeasuresDocCombiner", resource.get("componentName").textValue());
        assertEquals(1, resource.get("componentVersion").asInt());

        assertEquals(2, comp.getInputPorts().size());
        assertEquals(1, comp.getOutputPorts().size());
    }
}