102 lines
3.7 KiB
C#
102 lines
3.7 KiB
C#
using PLib.Domain.Videos;
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using Shouldly;
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namespace PLib.Tests.Domain;
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public sealed class VideoItemTests
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{
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private static VideoItem CreateIndexedItem()
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{
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var item = new VideoItem(@"C:\videos\clip.mp4", "clip", 1_000, DateTimeOffset.UnixEpoch);
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item.ApplyTechnicalInfo(new VideoTechnicalInfo(TimeSpan.FromMinutes(3), 1920, 1080, "h264"));
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item.AttachThumbnail(@"C:\cache\clip.jpg");
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item.AttachPreview(@"C:\cache\clip.strip.jpg", 12);
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item.ApplyPerceptualHash(0xDEADBEEF);
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return item;
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}
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[Fact]
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public void An_item_is_indexed_once_it_has_a_duration_and_a_poster_frame()
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{
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var item = new VideoItem(@"C:\videos\clip.mp4", "clip", 1_000, DateTimeOffset.UnixEpoch);
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item.IsIndexed.ShouldBeFalse();
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item.ApplyTechnicalInfo(new VideoTechnicalInfo(TimeSpan.FromMinutes(1), 1280, 720, "h264"));
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item.IsIndexed.ShouldBeFalse();
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item.AttachThumbnail(@"C:\cache\clip.jpg");
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// Neither the animated preview nor the hash is part of this: both belong to later
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// passes, and the grid is usable long before either exists.
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item.IsIndexed.ShouldBeTrue();
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item.NeedsAnimatedPreview.ShouldBeTrue();
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item.NeedsPerceptualHash.ShouldBeTrue();
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item.AttachPreview(@"C:\cache\clip.strip.jpg", 12);
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item.NeedsAnimatedPreview.ShouldBeFalse();
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item.ApplyPerceptualHash(1);
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item.NeedsPerceptualHash.ShouldBeFalse();
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}
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[Fact]
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public void The_later_passes_cannot_be_asked_for_before_the_duration_is_known()
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{
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var item = new VideoItem(@"C:\videos\clip.mp4", "clip", 1_000, DateTimeOffset.UnixEpoch);
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// Both sample frames across the running time, so there is nothing to sample yet.
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item.NeedsAnimatedPreview.ShouldBeFalse();
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item.NeedsPerceptualHash.ShouldBeFalse();
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}
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[Fact]
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public void A_preview_of_a_single_frame_is_not_an_animation()
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{
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var item = new VideoItem(@"C:\videos\clip.mp4", "clip", 1_000, DateTimeOffset.UnixEpoch);
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Should.Throw<ArgumentOutOfRangeException>(() => item.AttachPreview(@"C:\cache\clip.jpg", 1));
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}
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[Fact]
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public void Refreshing_an_unchanged_file_keeps_everything_that_was_derived_from_it()
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{
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var item = CreateIndexedItem();
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item.RefreshFileFacts(1_000, DateTimeOffset.UnixEpoch);
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item.IsIndexed.ShouldBeTrue();
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item.ThumbnailPath.ShouldNotBeNull();
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item.PreviewPath.ShouldNotBeNull();
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}
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[Fact]
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public void Refreshing_a_changed_file_invalidates_the_metadata_and_the_thumbnail()
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{
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var item = CreateIndexedItem();
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item.RefreshFileFacts(2_000, DateTimeOffset.UnixEpoch.AddDays(1));
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item.SizeInBytes.ShouldBe(2_000);
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item.Duration.ShouldBeNull();
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item.ThumbnailPath.ShouldBeNull();
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item.PreviewPath.ShouldBeNull();
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item.PreviewFrameCount.ShouldBe(0);
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// The hash describes the picture, so a different file means a different hash.
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item.PerceptualHash.ShouldBeNull();
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item.IsIndexed.ShouldBeFalse();
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}
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[Theory]
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[InlineData("", "title")]
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[InlineData(" ", "title")]
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[InlineData(@"C:\videos\clip.mp4", "")]
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public void An_item_cannot_be_created_without_a_path_and_a_title(string path, string title) =>
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Should.Throw<ArgumentException>(() => new VideoItem(path, title, 1, DateTimeOffset.UnixEpoch));
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[Fact]
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public void An_item_cannot_have_a_negative_size() =>
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Should.Throw<ArgumentOutOfRangeException>(
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() => new VideoItem(@"C:\videos\clip.mp4", "clip", -1, DateTimeOffset.UnixEpoch));
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}
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