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/*-
 * ============LICENSE_START=======================================================
 * ONAP - SO
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. 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.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.mso.asdc.client.tests;


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

import java.io.IOException;
import java.util.List;

import org.junit.After;
import org.junit.Before;
import org.junit.BeforeClass;
import org.junit.Test;

import org.openecomp.mso.asdc.client.ASDCConfiguration;
import org.openecomp.mso.asdc.client.exceptions.ASDCParametersException;
import org.openecomp.mso.properties.MsoPropertiesException;
import org.openecomp.mso.properties.MsoPropertiesFactory;

/**
 * THis class tests the ASDC Controller by using the ASDC Mock CLient
 */
public class ASDCConfigurationTest {

    public static MsoPropertiesFactory msoPropertiesFactory = new MsoPropertiesFactory();
    public final String ASDC_PROP = ASDCConfigurationTest.class.getClassLoader().getResource("mso.json").toString().substring(5);
    public final String ASDC_PROP2 = ASDCConfigurationTest.class.getClassLoader().getResource("mso2.json").toString().substring(5);
    public final String ASDC_PROP3 = ASDCConfigurationTest.class.getClassLoader().getResource("mso3.json").toString().substring(5);
    public final String ASDC_PROP_BAD = ASDCConfigurationTest.class.getClassLoader().getResource("mso-bad.json").toString().substring(5);
    public final String ASDC_PROP_WITH_NULL = ASDCConfigurationTest.class.getClassLoader().getResource("mso-with-NULL.json").toString().substring(5);
    public final String ASDC_PROP_DOUBLE_CONFIG = ASDCConfigurationTest.class.getClassLoader().getResource("mso-two-configs.json").toString().substring(5);
    public final String ASDC_PROP4_WITH_TLS = ASDCConfigurationTest.class.getClassLoader().getResource("mso4-with-TLS.json").toString().substring(5);

    @BeforeClass
    public static final void prepareBeforeAllTests() {
        msoPropertiesFactory.removeAllMsoProperties();
    }

    @Before
    public final void prepareBeforeEachTest() throws MsoPropertiesException {
        msoPropertiesFactory.initializeMsoProperties(ASDCConfiguration.MSO_PROP_ASDC, ASDC_PROP);
    }

    @After
    public final void cleanAfterEachTest() {
        msoPropertiesFactory.removeAllMsoProperties();
    }

    @Test
    public final void testTheInit() throws ASDCParametersException, IOException {
        ASDCConfiguration asdcConfig = new ASDCConfiguration("asdc-controller1");
        assertNotNull(asdcConfig.getUser());
        assertTrue("User".equals(asdcConfig.getUser()));

        assertNotNull(asdcConfig.getPassword());
        assertTrue("ThePassword".equals(asdcConfig.getPassword()));

        assertNotNull(asdcConfig.getConsumerGroup());
        assertTrue("consumerGroup".equals(asdcConfig.getConsumerGroup()));

        assertNotNull(asdcConfig.getConsumerID());
        assertTrue("consumerId".equals(asdcConfig.getConsumerID()));

        assertNotNull(asdcConfig.getEnvironmentName());
        assertTrue("environmentName".equals(asdcConfig.getEnvironmentName()));

        assertNotNull(asdcConfig.getAsdcAddress());
        assertTrue("hostname".equals(asdcConfig.getAsdcAddress()));

        assertNotNull(asdcConfig.getPollingInterval());
        assertTrue(asdcConfig.getPollingInterval() == 10);

        assertNotNull(asdcConfig.getPollingTimeout());
        assertTrue(asdcConfig.getPollingTimeout() == 30);

        assertNotNull(asdcConfig.getRelevantArtifactTypes());
        assertTrue(asdcConfig.getRelevantArtifactTypes().size() == ASDCConfiguration.SUPPORTED_ARTIFACT_TYPES_LIST.size());

        assertFalse(asdcConfig.activateServerTLSAuth());

    }

    @Test
    public final void testAllParametersMethod() throws ASDCParametersException, IOException {
        ASDCConfiguration asdcConfig = new ASDCConfiguration("asdc-controller1");

        // No exception should be raised
        asdcConfig.testAllParameters();
    }

    @Test
    public final void testTheRefreshConfigFalseCase() throws ASDCParametersException, IOException {
        ASDCConfiguration asdcConfig = new ASDCConfiguration("asdc-controller1");

        // No update should be done as we use the mso.properties located in the resource folder for testing
        assertFalse(asdcConfig.hasASDCConfigChanged());
        assertFalse(asdcConfig.refreshASDCConfig());

        assertNotNull(asdcConfig.getUser());
        assertTrue("User".equals(asdcConfig.getUser()));

        assertNotNull(asdcConfig.getPassword());
        assertTrue("ThePassword".equals(asdcConfig.getPassword()));

        assertNotNull(asdcConfig.getConsumerGroup());
        assertTrue("consumerGroup".equals(asdcConfig.getConsumerGroup()));

        assertNotNull(asdcConfig.getConsumerID());
        assertTrue("consumerId".equals(asdcConfig.getConsumerID()));

        assertNotNull(asdcConfig.getEnvironmentName());
        assertTrue("environmentName".equals(asdcConfig.getEnvironmentName()));

        assertNotNull(asdcConfig.getAsdcAddress());
        assertTrue("hostname".equals(asdcConfig.getAsdcAddress()));

        assertNotNull(asdcConfig.getPollingInterval());
        assertTrue(asdcConfig.getPollingInterval() == 10);

        assertNotNull(asdcConfig.getPollingTimeout());
        assertTrue(asdcConfig.getPollingTimeout() == 30);

        assertNotNull(asdcConfig.getRelevantArtifactTypes());
        assertTrue(asdcConfig.getRelevantArtifactTypes().size() == ASDCConfiguration.SUPPORTED_ARTIFACT_TYPES_LIST.size());

        msoPropertiesFactory.removeAllMsoProperties();

        try {
            asdcConfig.refreshASDCConfig();
            fail("Should have thrown an ASDCParametersException because config does not exist anymore!");
        } catch (ASDCParametersException e) {
            assertTrue(e.getMessage().contains(("mso.asdc.json not initialized properly, ASDC config cannot be reloaded")));
        }

        try {
            asdcConfig.hasASDCConfigChanged();
            fail("Should have thrown an ASDCParametersException because config does not exist anymore!");
        } catch (ASDCParametersException e) {
            assertTrue(e.getMessage().contains(("mso.asdc.json not initialized properly, ASDC config cannot be read")));
        }

    }


    @Test
    public final void testToChangeTheFileAndRefresh() throws ASDCParametersException, IOException, MsoPropertiesException {
        ASDCConfiguration asdcConfig = new ASDCConfiguration("asdc-controller1");

        msoPropertiesFactory.changeMsoPropertiesFilePath(ASDCConfiguration.MSO_PROP_ASDC, ASDC_PROP2);
        msoPropertiesFactory.reloadMsoProperties();

        // SHould be the same file untouched just a different file name, there should be no difference between them
        // In a normal case a different Filename should force the system to reload the config but not here as we have changed the filename by reflection
        assertFalse(asdcConfig.hasASDCConfigChanged());
        assertFalse(asdcConfig.refreshASDCConfig());

        assertNotNull(asdcConfig.getUser());
        assertTrue("User".equals(asdcConfig.getUser()));

        assertNotNull(asdcConfig.getPassword());
        assertTrue("ThePassword".equals(asdcConfig.getPassword()));

        assertNotNull(asdcConfig.getConsumerGroup());
        assertTrue("consumerGroup".equals(asdcConfig.getConsumerGroup()));

        assertNotNull(asdcConfig.getConsumerID());
        assertTrue("consumerId".equals(asdcConfig.getConsumerID()));

        assertNotNull(asdcConfig.getEnvironmentName());
        assertTrue("environmentName".equals(asdcConfig.getEnvironmentName()));

        assertNotNull(asdcConfig.getAsdcAddress());
        assertTrue("hostname".equals(asdcConfig.getAsdcAddress()));

        assertNotNull(asdcConfig.getPollingInterval());
        assertTrue(asdcConfig.getPollingInterval() == 10);

        assertNotNull(asdcConfig.getPollingTimeout());
        assertTrue(asdcConfig.getPollingTimeout() == 30);

        assertNotNull(asdcConfig.getRelevantArtifactTypes());
        assertTrue(asdcConfig.getRelevantArtifactTypes().size() == ASDCConfiguration.SUPPORTED_ARTIFACT_TYPES_LIST.size());

        // Set another file that has some attributes changed
        msoPropertiesFactory.changeMsoPropertiesFilePath(ASDCConfiguration.MSO_PROP_ASDC, ASDC_PROP3);
        msoPropertiesFactory.reloadMsoProperties();

        // SHould be the same file untouched just a different file name, so new config
        assertTrue(asdcConfig.hasASDCConfigChanged());
        assertTrue(asdcConfig.refreshASDCConfig());

        assertNotNull(asdcConfig.getUser());
        assertTrue("User".equals(asdcConfig.getUser()));

        assertNotNull(asdcConfig.getPassword());
        assertTrue("ThePassword".equals(asdcConfig.getPassword()));

        assertNotNull(asdcConfig.getConsumerGroup());
        assertTrue("consumerGroup".equals(asdcConfig.getConsumerGroup()));

        assertNotNull(asdcConfig.getConsumerID());
        assertTrue("consumerId".equals(asdcConfig.getConsumerID()));

        assertNotNull(asdcConfig.getEnvironmentName());
        assertTrue("environmentName".equals(asdcConfig.getEnvironmentName()));

        // only this field has been changed
        assertNotNull(asdcConfig.getAsdcAddress());
        assertTrue("hostname1".equals(asdcConfig.getAsdcAddress()));

        assertNotNull(asdcConfig.getPollingInterval());
        assertTrue(asdcConfig.getPollingInterval() == 10);

        assertNotNull(asdcConfig.getPollingTimeout());
        assertTrue(asdcConfig.getPollingTimeout() == 30);

        assertNotNull(asdcConfig.getRelevantArtifactTypes());
        assertTrue(asdcConfig.getRelevantArtifactTypes().size() == ASDCConfiguration.SUPPORTED_ARTIFACT_TYPES_LIST.size());


        // reload the good property file for other test cases
        msoPropertiesFactory.changeMsoPropertiesFilePath(ASDCConfiguration.MSO_PROP_ASDC, ASDC_PROP);
        msoPropertiesFactory.reloadMsoProperties();

    }

    @Test
    public final void testAllParametersCheck() throws ASDCParametersException, IOException, MsoPropertiesException {
        ASDCConfiguration asdcConfig = new ASDCConfiguration("asdc-controller1");

        msoPropertiesFactory.changeMsoPropertiesFilePath(ASDCConfiguration.MSO_PROP_ASDC, ASDC_PROP_BAD);
        msoPropertiesFactory.reloadMsoProperties();
        // SHould be a bad file, it should raise an exception
        try {
            asdcConfig.refreshASDCConfig();
            fail("Should have thrown an ASDCControllerException because one param is missing!");
        } catch (ASDCParametersException e) {
            assertTrue(e.getMessage().contains(("consumerGroup parameter cannot be found in config mso.properties")));
        }


        // reload the good property file for other test cases
        msoPropertiesFactory.changeMsoPropertiesFilePath(ASDCConfiguration.MSO_PROP_ASDC, ASDC_PROP);
        msoPropertiesFactory.reloadMsoProperties();

        assertTrue(asdcConfig.refreshASDCConfig());

    }

    @Test
    public final void testConsumerGroupWithNULL() throws MsoPropertiesException, ASDCParametersException, IOException {
        ASDCConfiguration asdcConfig = new ASDCConfiguration("asdc-controller1");

        msoPropertiesFactory.changeMsoPropertiesFilePath(ASDCConfiguration.MSO_PROP_ASDC, ASDC_PROP_WITH_NULL);
        msoPropertiesFactory.reloadMsoProperties();

        asdcConfig.refreshASDCConfig();
        assertTrue(asdcConfig.getConsumerGroup() == null);

        // reload the good property file for other test cases
        msoPropertiesFactory.changeMsoPropertiesFilePath(ASDCConfiguration.MSO_PROP_ASDC, ASDC_PROP);
        msoPropertiesFactory.reloadMsoProperties();

        assertTrue(asdcConfig.refreshASDCConfig());


    }

    @Test
    public final void testGetAllDefinedControllers() throws MsoPropertiesException, ASDCParametersException, IOException {
        List<String> listControllers = ASDCConfiguration.getAllDefinedControllers();

        assertTrue(listControllers.size() == 1);
        assertTrue("asdc-controller1".equals(listControllers.get(0)));

        ASDCConfiguration asdcConfiguration = new ASDCConfiguration("asdc-controller1");
        assertTrue(asdcConfiguration.getAsdcControllerName().equals("asdc-controller1"));


        // Try to reload a wrong Json file
        msoPropertiesFactory.changeMsoPropertiesFilePath(ASDCConfiguration.MSO_PROP_ASDC, ASDC_PROP_BAD);
        msoPropertiesFactory.reloadMsoProperties();

        listControllers = ASDCConfiguration.getAllDefinedControllers();
        assertTrue(listControllers.size() == 0);

    }

    @Test
    public final void testABadInit() throws MsoPropertiesException {
        msoPropertiesFactory.removeAllMsoProperties();

        try {
            ASDCConfiguration asdcConfiguration = new ASDCConfiguration("asdc-controller1");
            fail("Should have thrown an ASDCParametersException because prop factory is empty!");
        } catch (ASDCParametersException e) {
            assertTrue(e.getMessage().contains(("mso.asdc.json not initialized properly, ASDC config cannot be reloaded")));
        } catch (IOException e) {
            fail("Should have thrown an ASDCParametersException, not IOException because file is corrupted!");
        }
    }

    @Test
    public final void testFileDoesNotExist() throws MsoPropertiesException, ASDCParametersException, IOException {

        ASDCConfiguration asdcConfiguration = new ASDCConfiguration("asdc-controller1");

        msoPropertiesFactory.removeAllMsoProperties();

        try {
            asdcConfiguration.refreshASDCConfig();
            fail("Should have thrown an ASDCParametersException because factory is empty!");
        } catch (ASDCParametersException e) {
            assertTrue(e.getMessage().contains(("mso.asdc.json not initialized properly, ASDC config cannot be reloaded")));
        }
    }

    @Test
    public final void testWithTLS() throws ASDCParametersException, IOException, MsoPropertiesException {
        ASDCConfiguration asdcConfiguration = new ASDCConfiguration("asdc-controller1");

        msoPropertiesFactory.changeMsoPropertiesFilePath(ASDCConfiguration.MSO_PROP_ASDC, ASDC_PROP4_WITH_TLS);
        msoPropertiesFactory.reloadMsoProperties();

        asdcConfiguration.refreshASDCConfig();

        assertTrue(asdcConfiguration.activateServerTLSAuth());
        assertTrue("/test".equals(asdcConfiguration.getKeyStorePath()));
        assertTrue("ThePassword".equals(asdcConfiguration.getKeyStorePassword()));
    }

}