Added embedded/external lyrics support: parsing + indexing, ref #379
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emeric
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/*
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* Copyright (C) 2024 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* LMS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <gtest/gtest.h>
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#include "metadata/Lyrics.hpp"
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namespace lms::metadata::tests
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{
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using namespace std::chrono_literals;
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TEST(Lyrics, synchronized)
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{
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std::istringstream is{ R"([id: dqsxdkbu]
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[ar: Lady Gaga]
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[al: Lady Gaga]
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[ti: Die With A Smile]
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[la: eng]
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[length: 04:12]
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[offset: -34]
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[00:03.30]Ooh, ooh
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[00:06.75]
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[00:09.16]I, I just woke up from a dream)" };
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const Lyrics lyrics{ parseLyrics(is) };
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EXPECT_EQ(lyrics.displayArtist, "Lady Gaga");
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EXPECT_EQ(lyrics.displayAlbum, "Lady Gaga");
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EXPECT_EQ(lyrics.displayTitle, "Die With A Smile");
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EXPECT_EQ(lyrics.language, "eng");
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EXPECT_EQ(lyrics.offset, -34ms);
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EXPECT_EQ(lyrics.unsynchronizedLines.size(), 0);
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ASSERT_EQ(lyrics.synchronizedLines.size(), 3);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(3s + 300ms)->second, "Ooh, ooh");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(6s + 750ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(6s + 750ms)->second, "");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(9s + 160ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(9s + 160ms)->second, "I, I just woke up from a dream");
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}
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TEST(Lyrics, tagInMidleOfLyrics)
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{
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std::istringstream is{ R"([00:03.30]Ooh, ooh
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[id: dqsxdkbu]
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[00:09.16]I, I just woke up from a dream)" };
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const Lyrics lyrics{ parseLyrics(is) };
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EXPECT_EQ(lyrics.unsynchronizedLines.size(), 0);
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ASSERT_EQ(lyrics.synchronizedLines.size(), 2);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(3s + 300ms)->second, "Ooh, ooh");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(9s + 160ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(9s + 160ms)->second, "I, I just woke up from a dream");
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}
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TEST(Lyrics, skipEmptyBeginLines)
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{
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std::istringstream is{ R"(
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[00:03.30]Ooh, ooh)" };
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const Lyrics lyrics{ parseLyrics(is) };
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EXPECT_EQ(lyrics.unsynchronizedLines.size(), 0);
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ASSERT_EQ(lyrics.synchronizedLines.size(), 1);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(3s + 300ms)->second, "Ooh, ooh");
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}
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TEST(Lyrics, skipEmptyEndLines)
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{
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std::istringstream is{ R"([00:03.30]Ooh, ooh
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)" };
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const Lyrics lyrics{ parseLyrics(is) };
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EXPECT_EQ(lyrics.unsynchronizedLines.size(), 0);
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ASSERT_EQ(lyrics.synchronizedLines.size(), 1);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(3s + 300ms)->second, "Ooh, ooh");
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}
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TEST(Lyrics, skipLeadingUnsynchronizedLyrics)
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{
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std::istringstream is{ R"(
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Some unsynchronized lyrics
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[00:03.30]Ooh, ooh)" };
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const Lyrics lyrics{ parseLyrics(is) };
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EXPECT_EQ(lyrics.unsynchronizedLines.size(), 0);
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ASSERT_EQ(lyrics.synchronizedLines.size(), 1);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(3s + 300ms)->second, "Ooh, ooh");
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}
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TEST(Lyrics, skipComments)
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{
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std::istringstream is{ R"(###
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[00:03.30]Ooh, ooh
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## just dance
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[00:09.16]I, I just woke up from a dream
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##end)" };
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const Lyrics lyrics{ parseLyrics(is) };
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EXPECT_EQ(lyrics.unsynchronizedLines.size(), 0);
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ASSERT_EQ(lyrics.synchronizedLines.size(), 2);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(3s + 300ms)->second, "Ooh, ooh");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(9s + 160ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(9s + 160ms)->second, "I, I just woke up from a dream");
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}
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TEST(Lyrics, synchronized_notags)
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{
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std::istringstream is{ R"([00:03.30]Ooh, ooh)" };
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const Lyrics lyrics{ parseLyrics(is) };
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EXPECT_TRUE(lyrics.displayArtist.empty());
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EXPECT_TRUE(lyrics.displayAlbum.empty());
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EXPECT_TRUE(lyrics.displayTitle.empty());
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EXPECT_EQ(lyrics.offset, std::chrono::milliseconds{ 0 });
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EXPECT_EQ(lyrics.unsynchronizedLines.size(), 0);
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ASSERT_EQ(lyrics.synchronizedLines.size(), 1);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(3s + 300ms)->second, "Ooh, ooh");
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}
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TEST(Lyrics, synchronized_timestampFormats)
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{
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std::istringstream is{ R"([00:03.30]First line
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[00:01.301]in milliseconds
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[0:02.301]leading with only one digit
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[61:01.30]more than 60 minutes
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[02:01:01.30]With hours
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[3:01:01.30]With hours with only one digit)" };
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const Lyrics lyrics{ parseLyrics(is) };
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ASSERT_EQ(lyrics.synchronizedLines.size(), 6);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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ASSERT_TRUE(lyrics.synchronizedLines.contains(1s + 301ms));
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ASSERT_TRUE(lyrics.synchronizedLines.contains(2s + 301ms));
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ASSERT_TRUE(lyrics.synchronizedLines.contains(61min + 1s + 300ms));
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ASSERT_TRUE(lyrics.synchronizedLines.contains(2h + 1min + 1s + 300ms));
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3h + 1min + 1s + 300ms));
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}
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TEST(Lyrics, synchronized_keepBlankLinesExceptEOF)
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{
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std::istringstream is{ R"([00:03.30]Ooh, ooh
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[00:06.75]Foo
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)" };
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const Lyrics lyrics{ parseLyrics(is) };
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EXPECT_TRUE(lyrics.displayArtist.empty());
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EXPECT_TRUE(lyrics.displayAlbum.empty());
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EXPECT_TRUE(lyrics.displayTitle.empty());
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EXPECT_EQ(lyrics.offset, std::chrono::milliseconds{ 0 });
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EXPECT_EQ(lyrics.unsynchronizedLines.size(), 0);
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ASSERT_EQ(lyrics.synchronizedLines.size(), 2);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(3s + 300ms)->second, "Ooh, ooh\n\n");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(6s + 750ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(6s + 750ms)->second, "Foo");
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}
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TEST(Lyrics, synchronized_blankLinesEnd)
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{
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std::istringstream is{ R"([00:03.30]Ooh, ooh
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SecondLine
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Even a third line!!
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[00:06.75]Foo
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)" };
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const Lyrics lyrics{ parseLyrics(is) };
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EXPECT_TRUE(lyrics.displayArtist.empty());
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EXPECT_TRUE(lyrics.displayAlbum.empty());
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EXPECT_TRUE(lyrics.displayTitle.empty());
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EXPECT_EQ(lyrics.offset, std::chrono::milliseconds{ 0 });
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EXPECT_EQ(lyrics.unsynchronizedLines.size(), 0);
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ASSERT_EQ(lyrics.synchronizedLines.size(), 2);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(3s + 300ms)->second, "Ooh, ooh\nSecondLine\n Even a third line!!");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(6s + 750ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(6s + 750ms)->second, "Foo");
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}
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TEST(Lyrics, synchronized_multitimestamps)
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{
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std::istringstream is{ R"([00:03.30][00:09.16] [00:15.16]Ooh, ooh
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[00:06.75]I, I just woke up from a dream)" };
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const Lyrics lyrics{ parseLyrics(is) };
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EXPECT_TRUE(lyrics.displayArtist.empty());
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EXPECT_TRUE(lyrics.displayAlbum.empty());
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EXPECT_TRUE(lyrics.displayTitle.empty());
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EXPECT_EQ(lyrics.offset, std::chrono::milliseconds{ 0 });
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EXPECT_EQ(lyrics.unsynchronizedLines.size(), 0);
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ASSERT_EQ(lyrics.synchronizedLines.size(), 4);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(3s + 300ms)->second, "Ooh, ooh");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(6s + 750ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(6s + 750ms)->second, "I, I just woke up from a dream");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(9s + 160ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(9s + 160ms)->second, "Ooh, ooh");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(15s + 160ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(15s + 160ms)->second, "Ooh, ooh");
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}
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TEST(Lyrics, synchronized_multitimestamps_blank)
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{
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std::istringstream is{ R"([00:03.30]Ooh, ooh
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[00:06.75]
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[00:09.16]I, I just woke up from a dream
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[00:10.16]
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)" };
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const Lyrics lyrics{ parseLyrics(is) };
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EXPECT_TRUE(lyrics.displayArtist.empty());
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EXPECT_TRUE(lyrics.displayAlbum.empty());
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EXPECT_TRUE(lyrics.displayTitle.empty());
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EXPECT_EQ(lyrics.offset, std::chrono::milliseconds{ 0 });
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EXPECT_EQ(lyrics.unsynchronizedLines.size(), 0);
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ASSERT_EQ(lyrics.synchronizedLines.size(), 4);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(3s + 300ms)->second, "Ooh, ooh");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(6s + 750ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(6s + 750ms)->second, "");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(9s + 160ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(9s + 160ms)->second, "I, I just woke up from a dream");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(10s + 160ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(10s + 160ms)->second, "");
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}
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TEST(Lyrics, synchronized_multitimestamps_multilines)
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{
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std::istringstream is{ R"([00:03.30][00:09.16]Ooh, ooh
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Second line
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Third line
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Fifth line after an empty one...
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[00:06.75]I, I just woke up from a dream
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Cool)" };
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const Lyrics lyrics{ parseLyrics(is) };
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EXPECT_TRUE(lyrics.displayArtist.empty());
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EXPECT_TRUE(lyrics.displayAlbum.empty());
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EXPECT_TRUE(lyrics.displayTitle.empty());
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EXPECT_EQ(lyrics.offset, std::chrono::milliseconds{ 0 });
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EXPECT_EQ(lyrics.unsynchronizedLines.size(), 0);
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ASSERT_EQ(lyrics.synchronizedLines.size(), 3);
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ASSERT_TRUE(lyrics.synchronizedLines.contains(3s + 300ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(3s + 300ms)->second, "Ooh, ooh\nSecond line\n Third line\n\nFifth line after an empty one...");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(6s + 750ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(6s + 750ms)->second, "I, I just woke up from a dream\nCool");
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ASSERT_TRUE(lyrics.synchronizedLines.contains(9s + 160ms));
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EXPECT_EQ(lyrics.synchronizedLines.find(9s + 160ms)->second, "Ooh, ooh\nSecond line\n Third line\n\nFifth line after an empty one...");
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}
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TEST(Lyrics, unsynchronized)
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{
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std::istringstream is{ R"([id: dqsxdkbu]
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[ar: Lady Gaga]
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[al: Lady Gaga]
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[ti: Die With A Smile]
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[length: 04:12]
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[offset: -34]
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Ooh, ooh
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I, I just woke up from a dream
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)" };
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Lyrics lyrics{ parseLyrics(is) };
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EXPECT_EQ(lyrics.displayArtist, "Lady Gaga");
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EXPECT_EQ(lyrics.displayAlbum, "Lady Gaga");
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EXPECT_EQ(lyrics.displayTitle, "Die With A Smile");
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EXPECT_EQ(lyrics.offset, -34ms);
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ASSERT_EQ(lyrics.unsynchronizedLines.size(), 5);
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EXPECT_EQ(lyrics.unsynchronizedLines[0], "Ooh, ooh");
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EXPECT_EQ(lyrics.unsynchronizedLines[1], "");
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EXPECT_EQ(lyrics.unsynchronizedLines[2], "");
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EXPECT_EQ(lyrics.unsynchronizedLines[3], "I, I just woke up from a dream");
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EXPECT_EQ(lyrics.unsynchronizedLines[4], "");
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}
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} // namespace lms::metadata::tests
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