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   1 /**
   2  * Copyright (c) 2010-2022 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.voice.voicerss.internal;
  14
  15 import static org.hamcrest.MatcherAssert.assertThat;
  16 import static org.hamcrest.core.IsIterableContaining.hasItem;
  17 import static org.hamcrest.core.IsNot.not;
  18 import static org.openhab.core.audio.AudioFormat.*;
  19 import static org.openhab.voice.voicerss.internal.CompatibleAudioFormatMatcher.compatibleAudioFormat;
  20
  21 import java.util.Set;
  22
  23 import org.junit.jupiter.api.BeforeEach;
  24 import org.junit.jupiter.api.Test;
  25 import org.openhab.core.audio.AudioFormat;
  26 import org.openhab.core.voice.TTSService;
  27
  28 /**
  29  * Tests for {@link VoiceRSSTTSService}.
  30  *
  31  * @author Andreas Brenk - Initial contribution
  32  */
  33 public class VoiceRSSTTSServiceTest {
  34
  35     private static final AudioFormat MP3_44KHZ_16BIT = new AudioFormat(AudioFormat.CONTAINER_NONE,
  36             AudioFormat.CODEC_MP3, null, 16, null, 44_100L);
  37     private static final AudioFormat OGG_44KHZ_16BIT = new AudioFormat(AudioFormat.CONTAINER_OGG,
  38             AudioFormat.CODEC_VORBIS, null, 16, null, 44_100L);
  39     private static final AudioFormat AAC_44KHZ_16BIT = new AudioFormat(AudioFormat.CONTAINER_NONE,
  40             AudioFormat.CODEC_MP3, null, 16, null, 44_100L);
  41     private static final AudioFormat WAV_22KHZ_8BIT = new AudioFormat(AudioFormat.CONTAINER_WAVE,
  42             AudioFormat.CODEC_PCM_UNSIGNED, null, 8, null, 22_050L);
  43     private static final AudioFormat WAV_48KHZ_16BIT = new AudioFormat(AudioFormat.CONTAINER_WAVE,
  44             AudioFormat.CODEC_PCM_SIGNED, false, 16, null, 48_000L);
  45
  46     /**
  47      * The {@link VoiceRSSTTSService} under test.
  48      */
  49     private TTSService ttsService;
  50
  51     @BeforeEach
  52     public void setUp() {
  53         final VoiceRSSTTSService ttsService = new VoiceRSSTTSService();
  54         ttsService.activate(null);
  55
  56         this.ttsService = ttsService;
  57     }
  58
  59     @Test
  60     public void testSupportedFormats() {
  61         final Set<AudioFormat> supportedFormats = ttsService.getSupportedFormats();
  62
  63         // check generic formats without any further constraints
  64         assertThat(supportedFormats, hasItem(compatibleAudioFormat(MP3)));
  65         assertThat(supportedFormats, hasItem(compatibleAudioFormat(WAV)));
  66         assertThat(supportedFormats, hasItem(compatibleAudioFormat(OGG)));
  67         assertThat(supportedFormats, hasItem(compatibleAudioFormat(AAC)));
  68
  69         // check specific formats with common constraints
  70         assertThat(supportedFormats, hasItem(compatibleAudioFormat(MP3_44KHZ_16BIT)));
  71         assertThat(supportedFormats, hasItem(compatibleAudioFormat(OGG_44KHZ_16BIT)));
  72         assertThat(supportedFormats, hasItem(compatibleAudioFormat(AAC_44KHZ_16BIT)));
  73         assertThat(supportedFormats, hasItem(compatibleAudioFormat(WAV_22KHZ_8BIT)));
  74         assertThat(supportedFormats, hasItem(compatibleAudioFormat(WAV_48KHZ_16BIT)));
  75
  76         // check specific formats with additional constraints
  77         assertThat(supportedFormats, hasItem(compatibleAudioFormat(bitRate(WAV, 705_600)))); // 44.1 kHz 16-bit
  78
  79         // check unsupported formats
  80         assertThat(supportedFormats, not(hasItem(compatibleAudioFormat(bitDepth(WAV, 24)))));
  81     }
  82
  83     private AudioFormat bitDepth(AudioFormat format, Integer bitDepth) {
  84         return new AudioFormat(format.getContainer(), format.getCodec(), format.isBigEndian(), bitDepth,
  85                 format.getBitRate(), format.getFrequency());
  86     }
  87
  88     private AudioFormat bitRate(AudioFormat format, Integer bitRate) {
  89         return new AudioFormat(format.getContainer(), format.getCodec(), format.isBigEndian(), format.getBitDepth(),
  90                 bitRate, format.getFrequency());
  91     }
  92 }