uimafit-legacy-support/src/test/java/org/apache/uima/fit/factory/CollectionReaderFactoryExternalResourceTest.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.
 */

/*
 * 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.uima.fit.factory;

import static org.apache.uima.fit.factory.CollectionReaderFactory.createReader;
import static org.apache.uima.fit.factory.ExternalResourceFactory.createExternalResourceDescription;
import static org.junit.Assert.assertNotNull;

import java.io.IOException;

import org.apache.uima.UIMAException;
import org.apache.uima.cas.CAS;
import org.apache.uima.collection.CollectionException;
import org.apache.uima.collection.CollectionReader;
import org.apache.uima.fit.component.CasCollectionReader_ImplBase;
import org.apache.uima.fit.factory.testRes.TestExternalResource;
import org.apache.uima.util.Progress;
import org.junit.Test;
import org.uimafit.descriptor.ExternalResource;

/**
 */
public class CollectionReaderFactoryExternalResourceTest {
  @Test
  public void testAutoExternalResourceBinding() throws UIMAException, IOException {
    CollectionReader reader = createReader(
            TestReader.class,
            TestReader.PARAM_RESOURCE,
            createExternalResourceDescription(TestExternalResource.class,
                    TestExternalResource.PARAM_VALUE, TestExternalResource.EXPECTED_VALUE));

    reader.hasNext();
  }

  public static class TestReader extends CasCollectionReader_ImplBase {
    public final static String PARAM_RESOURCE = "resource";

    @ExternalResource(key = PARAM_RESOURCE)
    private TestExternalResource resource;

    public boolean hasNext() throws IOException, CollectionException {
      assertNotNull(resource);
      resource.assertConfiguredOk();
      return false;
    }

    public void getNext(CAS aCAS) throws IOException, CollectionException {
      // This is never called
    }

    public Progress[] getProgress() {
      return new Progress[0];
    }
  }
}