src/test/java/org/apache/sling/pipes/internal/ReferencePipeTest.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.sling.pipes.internal;

import org.apache.sling.api.resource.PersistenceException;
import org.apache.sling.api.resource.ResourceUtil;
import org.apache.sling.pipes.AbstractPipeTest;
import org.apache.sling.pipes.Pipe;
import org.junit.Before;
import org.junit.Test;

import java.lang.reflect.InvocationTargetException;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

/**
 * testing references
 */
public class ReferencePipeTest  extends AbstractPipeTest {

    @Before
    public void setUp() throws Exception {
        context.load().json("/reference.json", PATH_PIPE);
    }

    @Test
    public void testSimple() throws Exception {
        testOneResource(PATH_PIPE + "/" + NN_SIMPLE, PATH_APPLE);
    }

    @Test
    public void testRefersFailure() throws Exception {
        assertFalse("Reference a pipe with no result shouldn't have any result", getOutput(PATH_PIPE + "/refersfailure").hasNext());
    }

    @Test
    public void testPathBinding() throws Exception {
        testOneResource(PATH_PIPE + "/testPathBinding", PATH_APPLE + "/isnota/carrot");
    }

    @Test
    public void testValueBinding() throws Exception {
        testOneResource(PATH_PIPE + "/isAppleWormy", PATH_APPLE);
    }

    @Test
    public void testSkipExecution() throws PersistenceException, IllegalAccessException {
        Pipe pipe = plumber.newPipe(context.resourceResolver()).echo(PATH_FRUITS).build();
        String path = pipe.getResource().getPath();
        assertEquals("there should be one result", 1, plumber.newPipe(context.resourceResolver())
            .ref(path).run().size());
        assertEquals("there should be one result", 1, plumber.newPipe(context.resourceResolver())
            .ref(path).with("skipExecution","${false}").run().size());
        assertEquals("there should be zero result", 0, plumber.newPipe(context.resourceResolver())
            .ref(path).with("skipExecution","${true}").run().size());
    }

    @Test
    public void testBuilderWithAdditionalBinding() throws Exception {
        String newFruit = "watermelon";
        String newPath = PATH_FRUITS + "/" + newFruit;
        ResourceUtil.getOrCreateResource(context.resourceResolver(), newPath, "nt:unstructured", "nt:unstructured", true);
        Map bindings = new HashMap();
        bindings.put("fruit", newFruit);
        Pipe pipe = plumber.newPipe(context.resourceResolver()).echo(PATH_FRUITS + "/${fruit}").build();
        Collection<String> paths = plumber.newPipe(context.resourceResolver())
            .ref(pipe.getResource().getPath())
            .run(bindings).getCurrentPathSet();
        assertTrue("paths should contain new path", paths.contains(newPath));
    }

    @Test
    public void testReferences() throws PersistenceException, InvocationTargetException, IllegalAccessException {
        plumber.newPipe(context.resourceResolver()).echo("/content/fruits").build("/apps/scripts/fruit-echo");
        assertTrue(execute("ref fruit-echo").size() > 0);
    }
}