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/*******************************************************************************
 * ============LICENSE_START==================================================
 * * org.onap.dmaap
 * * ===========================================================================
 * * Copyright © 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====================================================
 * *
 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
 * *
 ******************************************************************************/

package datarouter.provisioning;

import static org.junit.Assert.fail;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.security.KeyStore;
import java.util.Properties;

import org.apache.commons.io.FileUtils;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.AbstractHttpClient;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONObject;
import org.json.JSONTokener;
import org.junit.After;
import org.junit.Before;
import org.onap.dmaap.datarouter.provisioning.FeedServlet;

public class IntegrationTestBase {

    /**
     * The properties file to read the DB properties from.
     */
    private static final String CONFIG_FILE = "integration_test.properties";

    public Properties props;
    protected AbstractHttpClient httpclient;
    String s33;
    String s257;
    static JSONObject db_state;

    /**
     * This is the setUp method.
     */
    @Before
    public void setUp() throws Exception {
        if (props == null) {
            props = new Properties();
            try (InputStream inStream = getClass().getClassLoader().getResourceAsStream(CONFIG_FILE)) {
                props.load(inStream);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        httpclient = new DefaultHttpClient();
        String str = "0123456789ABCDEF";
        s33 = str + str + "!";
        str = str + str + str + str;
        s257 = str + str + str + str + "!";

        // keystore
        String store = props.getProperty("test.keystore");
        String pass = props.getProperty("test.kspassword");
        KeyStore keyStore = KeyStore.getInstance(KeyStore.getDefaultType());
        FileInputStream instream = new FileInputStream(new File(store));
        try {
            keyStore.load(instream, pass.toCharArray());
        } catch (Exception x) {
            System.err.println("READING KEYSTORE: " + x);
        } finally {
            try {
                instream.close();
            } catch (Exception ignore) {
                // Ignore exception
            }
        }

        store = props.getProperty("test.truststore");
        pass = props.getProperty("test.tspassword");
        KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
        instream = new FileInputStream(new File(store));
        try {
            trustStore.load(instream, pass.toCharArray());
        } catch (Exception x) {
            System.err.println("READING TRUSTSTORE: " + x);
        } finally {
            try {
                instream.close();
            } catch (Exception ignore) {
                // Ignore exception
            }
        }

        SSLSocketFactory socketFactory = new SSLSocketFactory(keyStore, props.getProperty("test.kspassword"), trustStore);
        Scheme sch = new Scheme("https", 443, socketFactory);
        httpclient.getConnectionManager().getSchemeRegistry().register(sch);

        //DbTestData.populateDb(httpclient, props);
    }

    /**
     * This is the getDBstate method.
     */
    void getDBstate() {
        // set db_state!
        if (db_state == null) {
            String url = props.getProperty("test.host") + "/internal/prov";
            HttpGet httpGet = new HttpGet(url);
            try {
                httpGet.addHeader(FeedServlet.BEHALF_HEADER, "JUnit");
                HttpResponse response = httpclient.execute(httpGet);
                HttpEntity entity = response.getEntity();
                String ctype = entity.getContentType().getValue().trim();
                // save the response body as db_state
                boolean ok = ctype.equals(FeedServlet.PROVFULL_CONTENT_TYPE1);
                ok |= ctype.equals(FeedServlet.PROVFULL_CONTENT_TYPE2);
                if (ok) {
                    db_state = null;
                    try {
                        db_state = new JSONObject(new JSONTokener(entity.getContent()));
                    } catch (Exception e) {
                        fail("Bad JSON: " + e.getMessage());
                    }
                } else {
                    EntityUtils.consume(entity);
                }
            } catch (IOException e) {
                fail(e.getMessage());
            } finally {
                httpGet.releaseConnection();
            }
        }
    }

    /**
     * This is the tearDown method.
     */
    @After
    public void tearDown() throws Exception {
        // When HttpClient instance is no longer needed,
        // shut down the connection manager to ensure
        // immediate deallocation of all system resources
        httpclient.getConnectionManager().shutdown();
        FileUtils.deleteDirectory(new File("." + File.pathSeparator+  "unit-test-logs"));
    }

    protected void ckResponse(HttpResponse response, int expect) {
        System.out.println(response.getStatusLine());
        StatusLine sl = response.getStatusLine();
        int code = sl.getStatusCode();
        if (code != expect) {
            fail("Unexpected response, expect " + expect + " got " + code + " " + sl.getReasonPhrase());
        }
    }
}