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   1 /**
   2  * Copyright (c) 2010-2023 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.dwdunwetter.internal.dto;
  14
  15 import static org.junit.jupiter.api.Assertions.assertEquals;
  16
  17 import java.io.BufferedReader;
  18 import java.io.IOException;
  19 import java.io.InputStream;
  20 import java.io.InputStreamReader;
  21 import java.io.StringWriter;
  22 import java.nio.charset.StandardCharsets;
  23
  24 import org.junit.jupiter.api.BeforeEach;
  25 import org.junit.jupiter.api.Test;
  26
  27 /**
  28  * Tests for {@link org.openhab.binding.dwdunwetter.internal.dto.DwdWarningsDataAccess}
  29  *
  30  * @author Leo Siepel - Initial contribution
  31  */
  32 public class DwdWarningsDataAccessTest {
  33     private TestDataProvider testDataProvider = new TestDataProvider();
  34
  35     @BeforeEach
  36     public void setUp() throws IOException {
  37         this.testDataProvider = new TestDataProvider();
  38         loadXmlFromFile();
  39     }
  40
  41     @Test
  42     public void testNullOrBlank() {
  43         assertEquals(testDataProvider.getDataFromEndpoint(null), "");
  44         assertEquals(testDataProvider.getDataFromEndpoint(""), "");
  45     }
  46
  47     @Test
  48     public void testInvalidResponse() {
  49         TestDataProvider testDataProvider = new TestDataProvider();
  50         testDataProvider.rawData = "Server is not returning xml";
  51         assertEquals(testDataProvider.getDataFromEndpoint("TestCity"), "");
  52     }
  53
  54     private void loadXmlFromFile() throws IOException {
  55         InputStream stream = getClass().getResourceAsStream("warnings.xml");
  56         BufferedReader reader = new BufferedReader(new InputStreamReader(stream, StandardCharsets.UTF_8));
  57         String line = null;
  58
  59         StringWriter stringWriter = new StringWriter();
  60         while ((line = reader.readLine()) != null) {
  61             stringWriter.write(line);
  62         }
  63         reader.close();
  64         testDataProvider.rawData = stringWriter.toString();
  65     }
  66
  67     private class TestDataProvider extends DwdWarningDataAccess {
  68
  69         private String rawData = "";
  70
  71         @Override
  72         public String getByURL(String url) {
  73             return rawData;
  74         }
  75     }
  76 }