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/*
 * ============LICENSE_START=======================================================
 *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
 * ================================================================================
 * Licensed 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.
 * 
 * SPDX-License-Identifier: Apache-2.0
 * ============LICENSE_END=========================================================
 */

package org.onap.policy.apex.model.basicmodel.handling;

import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;

import java.io.File;
import java.io.IOException;

import org.junit.Test;
import org.onap.policy.apex.model.basicmodel.concepts.ApexException;
import org.onap.policy.apex.model.basicmodel.concepts.AxModel;
import org.onap.policy.apex.model.basicmodel.handling.ApexModelFileWriter;

public class ApexModelFileWriterTest {

    @Test
    public void testModelFileWriter() throws IOException, ApexException {
        ApexModelFileWriter<AxModel> modelFileWriter = new ApexModelFileWriter<>(true);

        modelFileWriter.setValidateFlag(true);
        assertTrue(modelFileWriter.isValidateFlag());

        File tempFile = File.createTempFile("ApexFileWriterTest", "test");
        File tempDir = tempFile.getParentFile();
        tempFile.delete();
        
        File jsonTempFile = new File(tempDir.getAbsolutePath() + "/aaa/ApexFileWriterTest.json");
        File xmlTempFile = new File(tempDir.getAbsolutePath() + "/ccc/ApexFileWriterTest.xml");
        
        AxModel model = new DummyApexBasicModelCreator().getModel();

        modelFileWriter.apexModelWriteJsonFile(model, AxModel.class, jsonTempFile.getAbsolutePath());
        modelFileWriter.apexModelWriteXmlFile(model, AxModel.class, xmlTempFile.getAbsolutePath());
        
        jsonTempFile.delete();
        xmlTempFile.delete();
        new File(tempDir.getAbsolutePath() + "/aaa").delete();
        new File(tempDir.getAbsolutePath() + "/ccc").delete();
       
        jsonTempFile = new File(tempDir.getAbsolutePath() + "/aaa/bbb/ApexFileWriterTest.json");
        xmlTempFile = new File(tempDir.getAbsolutePath() + "/ccc/ddd/ApexFileWriterTest.xml");
        
        modelFileWriter.apexModelWriteJsonFile(model, AxModel.class, jsonTempFile.getAbsolutePath());
        modelFileWriter.apexModelWriteXmlFile(model, AxModel.class, xmlTempFile.getAbsolutePath());
                
        jsonTempFile.delete();
        xmlTempFile.delete();

        new File(tempDir.getAbsolutePath() + "/aaa/bbb").delete();
        new File(tempDir.getAbsolutePath() + "/aaa").delete();
        new File(tempDir.getAbsolutePath() + "/ccc/ddd").delete();
        new File(tempDir.getAbsolutePath() + "/ccc").delete();
        
        File dirA = new File(tempDir.getAbsolutePath() + "/aaa");
        //File dirB = new File(tempDir.getAbsolutePath() + "/aaa/bbb");
        dirA.createNewFile();
        //dirB.createNewFile();
        
        jsonTempFile = new File(tempDir.getAbsolutePath() + "/aaa/bbb/ApexFileWriterTest.json");
        jsonTempFile = new File(tempDir.getAbsolutePath() + "/aaa/bbb/ApexFileWriterTest.xml");

        try {
            modelFileWriter.apexModelWriteJsonFile(model, AxModel.class, jsonTempFile.getAbsolutePath());
            fail("this test should throw an exception here");
        }
        catch (Exception e) {
            assertTrue(e.getMessage().contains("could not create directory "));
        }

        try {
            modelFileWriter.apexModelWriteXmlFile(model, AxModel.class, jsonTempFile.getAbsolutePath());
            fail("this test should throw an exception here");
        }
        catch (Exception e) {
            assertTrue(e.getMessage().contains("could not create directory "));
        }

        dirA.delete();

        dirA = new File(tempDir.getAbsolutePath() + "/aaa");
        File fileB = new File(tempDir.getAbsolutePath() + "/aaa/bbb");
        dirA.mkdir();
        fileB.createNewFile();
        
        jsonTempFile = new File(tempDir.getAbsolutePath() + "/aaa/bbb/ApexFileWriterTest.json");
        jsonTempFile = new File(tempDir.getAbsolutePath() + "/aaa/bbb/ApexFileWriterTest.xml");

        try {
            modelFileWriter.apexModelWriteJsonFile(model, AxModel.class, jsonTempFile.getAbsolutePath());
            fail("this test should throw an exception here");
        }
        catch (Exception e) {
            assertTrue(e.getMessage().contains("error processing file "));
        }

        try {
            modelFileWriter.apexModelWriteXmlFile(model, AxModel.class, jsonTempFile.getAbsolutePath());
            fail("this test should throw an exception here");
        }
        catch (Exception e) {
            assertTrue(e.getMessage().contains("error processing file "));
        }

        fileB.delete();
        dirA.delete();
    }
}