| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * 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. |
| */ |
| package com.google.android.exoplayer2.metadata.icy; |
| |
| import static com.google.android.exoplayer2.testutil.TestUtil.createByteArray; |
| import static com.google.android.exoplayer2.testutil.TestUtil.createMetadataInputBuffer; |
| import static com.google.common.truth.Truth.assertThat; |
| import static java.nio.charset.StandardCharsets.ISO_8859_1; |
| import static java.nio.charset.StandardCharsets.UTF_16; |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| import static org.junit.Assert.assertThrows; |
| |
| import androidx.test.ext.junit.runners.AndroidJUnit4; |
| import com.google.android.exoplayer2.metadata.Metadata; |
| import com.google.android.exoplayer2.metadata.MetadataInputBuffer; |
| import com.google.android.exoplayer2.testutil.TestUtil; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| /** Test for {@link IcyDecoder}. */ |
| @RunWith(AndroidJUnit4.class) |
| public final class IcyDecoderTest { |
| |
| private final IcyDecoder decoder = new IcyDecoder(); |
| |
| @Test |
| public void decode() { |
| byte[] icyContent = "StreamTitle='test title';StreamURL='test_url';".getBytes(UTF_8); |
| |
| Metadata metadata = decoder.decode(createMetadataInputBuffer(icyContent)); |
| |
| assertThat(metadata.length()).isEqualTo(1); |
| IcyInfo streamInfo = (IcyInfo) metadata.get(0); |
| assertThat(streamInfo.rawMetadata).isEqualTo(icyContent); |
| assertThat(streamInfo.title).isEqualTo("test title"); |
| assertThat(streamInfo.url).isEqualTo("test_url"); |
| } |
| |
| @Test |
| // Check the decoder is reading MetadataInputBuffer.data.limit() correctly. |
| public void decode_respectsLimit() { |
| byte[] icyTitle = "StreamTitle='test title';".getBytes(UTF_8); |
| byte[] icyUrl = "StreamURL='test_url';".getBytes(UTF_8); |
| byte[] paddedRawBytes = TestUtil.joinByteArrays(icyTitle, icyUrl); |
| MetadataInputBuffer metadataBuffer = createMetadataInputBuffer(paddedRawBytes); |
| // Stop before the stream URL. |
| metadataBuffer.data.limit(icyTitle.length); |
| Metadata metadata = decoder.decode(metadataBuffer); |
| |
| assertThat(metadata.length()).isEqualTo(1); |
| IcyInfo streamInfo = (IcyInfo) metadata.get(0); |
| assertThat(streamInfo.rawMetadata).isEqualTo(icyTitle); |
| assertThat(streamInfo.title).isEqualTo("test title"); |
| assertThat(streamInfo.url).isNull(); |
| } |
| |
| @Test |
| public void decode_titleOnly() { |
| byte[] icyContent = "StreamTitle='test title';".getBytes(UTF_8); |
| |
| Metadata metadata = decoder.decode(createMetadataInputBuffer(icyContent)); |
| |
| assertThat(metadata.length()).isEqualTo(1); |
| IcyInfo streamInfo = (IcyInfo) metadata.get(0); |
| assertThat(streamInfo.rawMetadata).isEqualTo(icyContent); |
| assertThat(streamInfo.title).isEqualTo("test title"); |
| assertThat(streamInfo.url).isNull(); |
| } |
| |
| @Test |
| public void decode_extraTags() { |
| byte[] icyContent = |
| "StreamTitle='test title';StreamURL='test_url';CustomTag|withWeirdSeparator" |
| .getBytes(UTF_8); |
| |
| Metadata metadata = decoder.decode(createMetadataInputBuffer(icyContent)); |
| |
| assertThat(metadata.length()).isEqualTo(1); |
| IcyInfo streamInfo = (IcyInfo) metadata.get(0); |
| assertThat(streamInfo.rawMetadata).isEqualTo(icyContent); |
| assertThat(streamInfo.title).isEqualTo("test title"); |
| assertThat(streamInfo.url).isEqualTo("test_url"); |
| } |
| |
| @Test |
| public void decode_emptyTitle() { |
| byte[] icyContent = "StreamTitle='';StreamURL='test_url';".getBytes(UTF_8); |
| |
| Metadata metadata = decoder.decode(createMetadataInputBuffer(icyContent)); |
| |
| assertThat(metadata.length()).isEqualTo(1); |
| IcyInfo streamInfo = (IcyInfo) metadata.get(0); |
| assertThat(streamInfo.rawMetadata).isEqualTo(icyContent); |
| assertThat(streamInfo.title).isEmpty(); |
| assertThat(streamInfo.url).isEqualTo("test_url"); |
| } |
| |
| @Test |
| public void decode_semiColonInTitle() { |
| byte[] icyContent = "StreamTitle='test; title';StreamURL='test_url';".getBytes(UTF_8); |
| |
| Metadata metadata = decoder.decode(createMetadataInputBuffer(icyContent)); |
| |
| assertThat(metadata.length()).isEqualTo(1); |
| IcyInfo streamInfo = (IcyInfo) metadata.get(0); |
| assertThat(streamInfo.rawMetadata).isEqualTo(icyContent); |
| assertThat(streamInfo.title).isEqualTo("test; title"); |
| assertThat(streamInfo.url).isEqualTo("test_url"); |
| } |
| |
| @Test |
| public void decode_quoteInTitle() { |
| byte[] icyContent = "StreamTitle='test' title';StreamURL='test_url';".getBytes(UTF_8); |
| |
| Metadata metadata = decoder.decode(createMetadataInputBuffer(icyContent)); |
| |
| assertThat(metadata.length()).isEqualTo(1); |
| IcyInfo streamInfo = (IcyInfo) metadata.get(0); |
| assertThat(streamInfo.rawMetadata).isEqualTo(icyContent); |
| assertThat(streamInfo.title).isEqualTo("test' title"); |
| assertThat(streamInfo.url).isEqualTo("test_url"); |
| } |
| |
| @Test |
| public void decode_lineTerminatorInTitle() { |
| byte[] icyContent = "StreamTitle='test\r\ntitle';StreamURL='test_url';".getBytes(UTF_8); |
| |
| Metadata metadata = decoder.decode(createMetadataInputBuffer(icyContent)); |
| |
| assertThat(metadata.length()).isEqualTo(1); |
| IcyInfo streamInfo = (IcyInfo) metadata.get(0); |
| assertThat(streamInfo.rawMetadata).isEqualTo(icyContent); |
| assertThat(streamInfo.title).isEqualTo("test\r\ntitle"); |
| assertThat(streamInfo.url).isEqualTo("test_url"); |
| } |
| |
| @Test |
| public void decode_iso885911() { |
| // Create an invalid UTF-8 string by using 'é'. |
| byte[] icyContent = "StreamTitle='tést';StreamURL='tést_url';".getBytes(ISO_8859_1); |
| |
| Metadata metadata = decoder.decode(createMetadataInputBuffer(icyContent)); |
| |
| assertThat(metadata.length()).isEqualTo(1); |
| IcyInfo streamInfo = (IcyInfo) metadata.get(0); |
| assertThat(streamInfo.rawMetadata).isEqualTo(icyContent); |
| assertThat(streamInfo.title).isEqualTo("tést"); |
| assertThat(streamInfo.url).isEqualTo("tést_url"); |
| } |
| |
| @Test |
| public void decode_unrecognisedEncoding() { |
| // Create an invalid UTF-8 and ISO-88591-1 string by using 'é'. |
| byte[] icyContent = "StreamTitle='tést';StreamURL='tést_url';".getBytes(UTF_16); |
| |
| Metadata metadata = decoder.decode(createMetadataInputBuffer(icyContent)); |
| |
| assertThat(metadata.length()).isEqualTo(1); |
| IcyInfo streamInfo = (IcyInfo) metadata.get(0); |
| assertThat(streamInfo.rawMetadata).isEqualTo(icyContent); |
| assertThat(streamInfo.title).isNull(); |
| assertThat(streamInfo.url).isNull(); |
| } |
| |
| @Test |
| public void decode_noRecognisedHeaders() { |
| byte[] icyContent = "NotIcyData".getBytes(UTF_8); |
| |
| Metadata metadata = decoder.decode(createMetadataInputBuffer(icyContent)); |
| |
| assertThat(metadata.length()).isEqualTo(1); |
| IcyInfo streamInfo = (IcyInfo) metadata.get(0); |
| assertThat(streamInfo.rawMetadata).isEqualTo(icyContent); |
| assertThat(streamInfo.title).isNull(); |
| assertThat(streamInfo.url).isNull(); |
| } |
| |
| @Test |
| public void decode_failsIfPositionNonZero() { |
| MetadataInputBuffer buffer = createMetadataInputBuffer(createByteArray(1, 2, 3)); |
| buffer.data.position(1); |
| |
| assertThrows(IllegalArgumentException.class, () -> decoder.decode(buffer)); |
| } |
| |
| @Test |
| public void decode_failsIfBufferHasNoArray() { |
| MetadataInputBuffer buffer = createMetadataInputBuffer(createByteArray(1, 2, 3)); |
| buffer.data = buffer.data.asReadOnlyBuffer(); |
| |
| assertThrows(IllegalArgumentException.class, () -> decoder.decode(buffer)); |
| } |
| |
| @Test |
| public void decode_failsIfArrayOffsetNonZero() { |
| MetadataInputBuffer buffer = createMetadataInputBuffer(createByteArray(1, 2, 3)); |
| buffer.data.position(1); |
| buffer.data = buffer.data.slice(); |
| |
| assertThrows(IllegalArgumentException.class, () -> decoder.decode(buffer)); |
| } |
| } |