code: /**
   * This file is part of Eclipse Steady.
   *
   * 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
   * SPDX-FileCopyrightText: Copyright (c) 2018-2020 SAP SE or an SAP affiliate company and Eclipse Steady contributors
   */
  package org.eclipse.steady.shared.util;
  
  import static org.junit.Assert.assertEquals;
  
  import java.io.IOException;
  import java.nio.charset.StandardCharsets;
  
  import org.eclipse.steady.shared.enums.DigestAlgorithm;
  import org.junit.Test;
  
  public class DigestUtilTest {
  
    @Test
    public void testGetDigestAsBytes() throws IOException {
      final String text = "foo bar baz";
      final String sha1 =
          DigestUtil.getDigestAsString(text, StandardCharsets.UTF_8, DigestAlgorithm.SHA1)
              .toLowerCase();
      final String expected_sha1 = "c7567e8b39e2428e38bf9c9226ac68de4c67dc39";
      assertEquals(expected_sha1, sha1);
    }
  
    @Test
    public void testGetDigestAsBytesFromFile() throws IOException {
      final String text = FileUtil.readFile("./src/test/resources/foo.txt");
      assertEquals("foo bar baz", text);
      final String sha1 =
          DigestUtil.getDigestAsString(text, StandardCharsets.UTF_8, DigestAlgorithm.SHA1)
              .toLowerCase();
      final String expected_sha1 = "c7567e8b39e2428e38bf9c9226ac68de4c67dc39";
      assertEquals(expected_sha1, sha1);
    }
  }
  