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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.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.HashMap;
  22 import java.util.Map;
  23 import java.util.Set;
  24
  25 import org.junit.jupiter.api.BeforeEach;
  26 import org.junit.jupiter.api.Test;
  27 import org.openhab.core.audio.AudioFormat;
  28 import org.openhab.core.storage.StorageService;
  29 import org.openhab.core.voice.TTSService;
  30 import org.openhab.core.voice.internal.cache.TTSLRUCacheImpl;
  31
  32 /**
  33  * Tests for {@link VoiceRSSTTSService}.
  34  *
  35  * @author Andreas Brenk - Initial contribution
  36  */
  37 public class VoiceRSSTTSServiceTest {
  38
  39     private static final AudioFormat MP3_44KHZ_16BIT = new AudioFormat(AudioFormat.CONTAINER_NONE,
  40             AudioFormat.CODEC_MP3, null, 16, null, 44_100L);
  41     private static final AudioFormat OGG_44KHZ_16BIT = new AudioFormat(AudioFormat.CONTAINER_OGG,
  42             AudioFormat.CODEC_VORBIS, null, 16, null, 44_100L);
  43     private static final AudioFormat AAC_44KHZ_16BIT = new AudioFormat(AudioFormat.CONTAINER_NONE,
  44             AudioFormat.CODEC_MP3, null, 16, null, 44_100L);
  45     private static final AudioFormat WAV_22KHZ_8BIT = new AudioFormat(AudioFormat.CONTAINER_WAVE,
  46             AudioFormat.CODEC_PCM_UNSIGNED, null, 8, null, 22_050L);
  47     private static final AudioFormat WAV_48KHZ_16BIT = new AudioFormat(AudioFormat.CONTAINER_WAVE,
  48             AudioFormat.CODEC_PCM_SIGNED, false, 16, null, 48_000L);
  49
  50     private StorageService storageService;
  51
  52     /**
  53      * The {@link VoiceRSSTTSService} under test.
  54      */
  55     private TTSService ttsService;
  56
  57     @BeforeEach
  58     public void setUp() {
  59         Map<String, Object> config = new HashMap<>();
  60         config.put("enableCacheTTS", false);
  61         TTSLRUCacheImpl voiceLRUCache = new TTSLRUCacheImpl(storageService, config);
  62         final VoiceRSSTTSService ttsService = new VoiceRSSTTSService(voiceLRUCache);
  63         ttsService.activate(null);
  64
  65         this.ttsService = ttsService;
  66     }
  67
  68     @Test
  69     public void testSupportedFormats() {
  70         final Set<AudioFormat> supportedFormats = ttsService.getSupportedFormats();
  71
  72         // check generic formats without any further constraints
  73         assertThat(supportedFormats, hasItem(compatibleAudioFormat(MP3)));
  74         assertThat(supportedFormats, hasItem(compatibleAudioFormat(WAV)));
  75         assertThat(supportedFormats, hasItem(compatibleAudioFormat(OGG)));
  76         assertThat(supportedFormats, hasItem(compatibleAudioFormat(AAC)));
  77
  78         // check specific formats with common constraints
  79         assertThat(supportedFormats, hasItem(compatibleAudioFormat(MP3_44KHZ_16BIT)));
  80         assertThat(supportedFormats, hasItem(compatibleAudioFormat(OGG_44KHZ_16BIT)));
  81         assertThat(supportedFormats, hasItem(compatibleAudioFormat(AAC_44KHZ_16BIT)));
  82         assertThat(supportedFormats, hasItem(compatibleAudioFormat(WAV_22KHZ_8BIT)));
  83         assertThat(supportedFormats, hasItem(compatibleAudioFormat(WAV_48KHZ_16BIT)));
  84
  85         // check specific formats with additional constraints
  86         assertThat(supportedFormats, hasItem(compatibleAudioFormat(bitRate(WAV, 705_600)))); // 44.1 kHz 16-bit
  87
  88         // check unsupported formats
  89         assertThat(supportedFormats, not(hasItem(compatibleAudioFormat(bitDepth(WAV, 24)))));
  90     }
  91
  92     private AudioFormat bitDepth(AudioFormat format, Integer bitDepth) {
  93         return new AudioFormat(format.getContainer(), format.getCodec(), format.isBigEndian(), bitDepth,
  94                 format.getBitRate(), format.getFrequency());
  95     }
  96
  97     private AudioFormat bitRate(AudioFormat format, Integer bitRate) {
  98         return new AudioFormat(format.getContainer(), format.getCodec(), format.isBigEndian(), format.getBitDepth(),
  99                 bitRate, format.getFrequency());
 100     }
 101 }