/**
 * ============LICENSE_START=======================================================
 * org.onap.aai
 * ================================================================================
 * Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
 * Copyright © 2017-2018 Amdocs
 * ================================================================================
 * 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.aai.sa.rest;

import static org.junit.Assert.fail;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;

public class TestUtils {

    /**
     * This helper method reads the contents of a file into a simple string.
     *
     * @param aFile - The file to be imported.
     *
     * @return - The file contents expressed as a simple string.
     *
     * @throws IOException
     */
    public static String readFileToString(File aFile) throws IOException {

        BufferedReader br = new BufferedReader(new FileReader(aFile));
        try {
            StringBuilder sb = new StringBuilder();
            String line = br.readLine();

            while (line != null) {
                sb.append(line);
                line = br.readLine();
            }

            return sb.toString().replaceAll("\\s+", "");
        } finally {
            try {
                br.close();
            } catch (IOException e) {
                fail("Unexpected IOException: " + e.getMessage());
            }
        }
    }
}