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/*-
 * ============LICENSE_START=======================================================
 * ONAP-XACML
 * ================================================================================
 * Copyright (C) 2017-2018 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Modifications Copyright (C) 2019 Samsung
 * ================================================================================
 * 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.
 * ============LICENSE_END=========================================================
 */
package org.onap.policy.xacml.test.util;

import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.file.Path;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.junit.Before;
import org.junit.Test;
import org.onap.policy.xacml.util.XACMLPolicyWriter;
import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicySetType;
import oasis.names.tc.xacml._3_0.core.schema.wd_17.PolicyType;

public class XACMLPolicyWriterTest {
    private static final Log logger = LogFactory.getLog(XACMLPolicyWriterTest.class);
    private static Path configPolicyPathValue;
    private static Path actionPolicyPathValue;

    @Before
    public void setUp() {
        File templateFile;
        ClassLoader classLoader = getClass().getClassLoader();
        try {
            templateFile =
                    new File(classLoader.getResource("Config_SampleTest1206.1.xml").getFile());
            configPolicyPathValue = templateFile.toPath();
            templateFile =
                    new File(classLoader.getResource("Action_TestActionPolicy.1.xml").getFile());
            actionPolicyPathValue = templateFile.toPath();
        } catch (Exception e1) {
            logger.error("Exception Occured" + e1);
        }
    }

    @SuppressWarnings("static-access")
    @Test
    public void xacmlPolicyWriterTest() throws IOException {
        XACMLPolicyWriter writer = new XACMLPolicyWriter();
        String configResponseValue =
                writer.changeFileNameInXmlWhenRenamePolicy(configPolicyPathValue);
        assertTrue(configResponseValue.equals("txt"));
        String actionResponseValue =
                writer.changeFileNameInXmlWhenRenamePolicy(actionPolicyPathValue);
        assertTrue(actionResponseValue.equals("json"));
    }

    @Test
    public void testWrites() throws Exception {
        // Set up test data
        PolicyType policyType = new PolicyType();
        OutputStream os = new ByteArrayOutputStream();
        File tmpfile = File.createTempFile("foo", null);
        Path filename = tmpfile.toPath();
        PolicySetType policySet = new PolicySetType();

        // delete tmp file before running the test
        tmpfile.delete();

        // ensure its deleted after writePolicyFile() re-creates it
        tmpfile.deleteOnExit();

        // Test write combinations
        assertNotNull(XACMLPolicyWriter.writePolicyFile(filename, policySet));
        assertNotNull(XACMLPolicyWriter.writePolicyFile(filename, policyType));
        assertNotNull(XACMLPolicyWriter.getXmlAsInputStream(policyType));
        XACMLPolicyWriter.writePolicyFile(os, policySet);
        assertNotNull(os.toString());
        XACMLPolicyWriter.writePolicyFile(os, policyType);
        assertNotNull(os.toString());
    }
}