mirror of
https://github.com/jellyfin/jellyfin.git
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97 lines
4.7 KiB
C#
97 lines
4.7 KiB
C#
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using System.Threading;
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using MediaBrowser.MediaEncoding.Subtitles;
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using MediaBrowser.Model.MediaInfo;
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using Xunit;
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namespace Jellyfin.MediaEncoding.Tests
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{
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public class SsaParserTests
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{
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// commonly shared invariant value between tests, assumes default format order
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private const string InvariantDialoguePrefix = "[Events]\nDialogue: ,0:00:00.00,0:00:00.01,,,,,,,";
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private SsaParser parser = new SsaParser();
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[Theory]
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[InlineData("[EvEnTs]\nDialogue: ,0:00:00.00,0:00:00.01,,,,,,,text", "text")] // label casing insensitivity
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[InlineData("[Events]\n,0:00:00.00,0:00:00.01,,,,,,,labelless dialogue", "labelless dialogue")] // no "Dialogue:" label, it is optional
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[InlineData("[Events]\nFormat: Text, Start, End, Layer, Effect, Style\nDialogue: reordered text,0:00:00.00,0:00:00.01", "reordered text")] // reordered formats
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[InlineData(InvariantDialoguePrefix + "Cased TEXT", "Cased TEXT")] // preserve text casing
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[InlineData(InvariantDialoguePrefix + " text ", " text ")] // do not trim text
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[InlineData(InvariantDialoguePrefix + "text, more text", "text, more text")] // append excess dialogue values (> 10) to text
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[InlineData(InvariantDialoguePrefix + "start {\\fnFont Name}text{\\fn} end", "start <font face=\"Font Name\">text</font> end")] // font name
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[InlineData(InvariantDialoguePrefix + "start {\\fs10}text{\\fs} end", "start <font size=\"10\">text</font> end")] // font size
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[InlineData(InvariantDialoguePrefix + "start {\\c&H112233}text{\\c} end", "start <font color=\"#332211\">text</font> end")] // color
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[InlineData(InvariantDialoguePrefix + "start {\\1c&H112233}text{\\1c} end", "start <font color=\"#332211\">text</font> end")] // primay color
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[InlineData(InvariantDialoguePrefix + "start {\\fnFont Name}text1 {\\fs10}text2{\\fs}{\\fn} {\\1c&H112233}text3{\\1c} end", "start <font face=\"Font Name\">text1 <font size=\"10\">text2</font></font> <font color=\"#332211\">text3</font> end")] // nested formatting
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public void Parse(string ssa, string expectedText)
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{
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using (Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(ssa)))
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{
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SubtitleTrackInfo subtitleTrackInfo = parser.Parse(stream, CancellationToken.None);
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SubtitleTrackEvent actual = subtitleTrackInfo.TrackEvents[0];
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Assert.Equal(expectedText, actual.Text);
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}
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}
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[Theory]
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[MemberData(nameof(Parse_MultipleDialogues_TestData))]
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public void Parse_MultipleDialogues(string ssa, IReadOnlyList<SubtitleTrackEvent> expectedSubtitleTrackEvents)
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{
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using (Stream stream = new MemoryStream(Encoding.UTF8.GetBytes(ssa)))
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{
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SubtitleTrackInfo subtitleTrackInfo = parser.Parse(stream, CancellationToken.None);
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Assert.Equal(expectedSubtitleTrackEvents.Count, subtitleTrackInfo.TrackEvents.Count);
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for (int i = 0; i < expectedSubtitleTrackEvents.Count; ++i)
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{
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SubtitleTrackEvent expected = expectedSubtitleTrackEvents[i];
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SubtitleTrackEvent actual = subtitleTrackInfo.TrackEvents[i];
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Assert.Equal(expected.StartPositionTicks, actual.StartPositionTicks);
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Assert.Equal(expected.EndPositionTicks, actual.EndPositionTicks);
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Assert.Equal(expected.Text, actual.Text);
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}
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}
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}
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public static IEnumerable<object[]> Parse_MultipleDialogues_TestData()
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{
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yield return new object[]
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{
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@"[Events]
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Format: Layer, Start, End, Text
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Dialogue: ,0:00:01.18,0:00:01.85,dialogue1
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Dialogue: ,0:00:02.18,0:00:02.85,dialogue2
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Dialogue: ,0:00:03.18,0:00:03.85,dialogue3
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",
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new List<SubtitleTrackEvent>
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{
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new SubtitleTrackEvent
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{
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StartPositionTicks = 11800000,
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EndPositionTicks = 18500000,
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Text = "dialogue1"
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},
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new SubtitleTrackEvent
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{
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StartPositionTicks = 21800000,
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EndPositionTicks = 28500000,
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Text = "dialogue2"
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},
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new SubtitleTrackEvent
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{
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StartPositionTicks = 31800000,
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EndPositionTicks = 38500000,
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Text = "dialogue3"
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}
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}
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};
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}
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}
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}
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