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   1 /**
   2  * Copyright (c) 2010-2020 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.networkupstools.internal.nut;
  14
  15 import static org.hamcrest.core.Is.is;
  16 import static org.junit.Assert.assertThat;
  17 import static org.mockito.Mockito.doReturn;
  18 import static org.mockito.MockitoAnnotations.initMocks;
  19
  20 import java.io.IOException;
  21 import java.io.InputStream;
  22 import java.io.OutputStream;
  23 import java.net.Socket;
  24 import java.net.URISyntaxException;
  25 import java.nio.file.Files;
  26 import java.nio.file.Paths;
  27 import java.util.Map;
  28
  29 import org.eclipse.jdt.annotation.NonNull;
  30 import org.junit.Before;
  31 import org.junit.Test;
  32 import org.mockito.Mock;
  33
  34 /**
  35  * Unit test to test the {@link NutApi} using a mock Socket connection.
  36  *
  37  * @author Hilbrand Bouwkamp - Initial contribution
  38  */
  39 public class NutApiTest {
  40
  41     @Mock
  42     private Socket socket;
  43     private NutConnector connector;
  44
  45     @Before
  46     public void setUp() throws IOException {
  47         initMocks(this);
  48         connector = new NutConnector("localhost", 0, "test", "pwd") {
  49             @Override
  50             protected Socket newSocket() {
  51                 return socket;
  52             };
  53         };
  54     }
  55
  56     /**
  57      * Test if retrieving a list of variables is correctly done.
  58      */
  59     @Test
  60     public void testListVariables() throws IOException, NutException, URISyntaxException {
  61         final String expectedCommands = new String(
  62                 Files.readAllBytes(Paths.get(getClass().getResource("var_list_commands.txt").toURI())));
  63         final StringBuffer actualCommands = new StringBuffer();
  64         try (InputStream in = getClass().getResourceAsStream("var_list.txt"); OutputStream out = new OutputStream() {
  65             @Override
  66             public void write(int b) throws IOException {
  67                 actualCommands.append((char) b);
  68             }
  69         }) {
  70             doReturn(in).when(socket).getInputStream();
  71             doReturn(out).when(socket).getOutputStream();
  72
  73             final NutApi api = new NutApi(connector);
  74             final Map<@NonNull String, @NonNull String> variables = api.getVariables("ups1");
  75
  76             assertThat("Should have variables", variables.size(), is(4));
  77             assertThat("Should read variable correctly", variables.get("output.voltage.nominal"), is("115"));
  78             assertThat("Should send commands correctly", actualCommands.toString(), is(expectedCommands));
  79         }
  80     }
  81
  82     /**
  83      * Test if retrieving a single variable is correctly done.
  84      */
  85     @Test
  86     public void testGetVariable() throws IOException, NutException, URISyntaxException {
  87         final String expectedCommands = new String(
  88                 Files.readAllBytes(Paths.get(getClass().getResource("var_get_commands.txt").toURI())));
  89         final StringBuffer actualCommands = new StringBuffer();
  90         try (InputStream in = getClass().getResourceAsStream("var_get.txt"); OutputStream out = new OutputStream() {
  91             @Override
  92             public void write(int b) throws IOException {
  93                 actualCommands.append((char) b);
  94             }
  95         }) {
  96             doReturn(in).when(socket).getInputStream();
  97             doReturn(out).when(socket).getOutputStream();
  98
  99             final NutApi api = new NutApi(connector);
 100             final String variable = api.getVariable("ups1", "ups.status");
 101             assertThat("Should read ups.status variable correctly", variable, is("OL"));
 102             assertThat("Should send commands correctly", actualCommands.toString(), is(expectedCommands));
 103         }
 104     }
 105 }