Files
danbooru/test/unit/media_file_test.rb
evazion 572878fb0d uploads: allow uploading .m4v format videos.
Fix not being able to upload .m4v format videos as reported here:

* https://danbooru.donmai.us/forum_posts/205248
* https://github.com/danbooru/danbooru/issues/3615#issuecomment-1030950924

From https://en.wikipedia.org/wiki/M4V:

  The M4V file format is a video container format developed by Apple and
  is very similar to the MP4 format. The primary difference is that M4V
  files may optionally be protected by DRM copy protection.

This could be a problem if it allows uploading videos that are
unplayable because of DRM.
2022-02-06 21:41:35 -06:00

422 lines
16 KiB
Ruby

require 'test_helper'
class MediaFileTest < ActiveSupport::TestCase
context "#dimensions" do
should "determine the correct dimensions for a jpeg file" do
assert_equal([500, 335], MediaFile.open("test/files/test.jpg").dimensions)
assert_equal([668, 996], MediaFile.open("test/files/test-blank.jpg").dimensions)
assert_equal([529, 600], MediaFile.open("test/files/test-exif-small.jpg").dimensions)
assert_equal([1356, 911], MediaFile.open("test/files/test-large.jpg").dimensions)
end
should "determine the correct dimensions for a png file" do
assert_equal([768, 1024], MediaFile.open("test/files/test.png").dimensions)
assert_equal([150, 150], MediaFile.open("test/files/apng/normal_apng.png").dimensions)
assert_equal([85, 62], MediaFile.open("test/files/alpha.png").dimensions)
end
should "determine the correct dimensions for a gif file" do
assert_equal([400, 400], MediaFile.open("test/files/test.gif").dimensions)
assert_equal([86, 52], MediaFile.open("test/files/test-animated-86x52.gif").dimensions)
assert_equal([32, 32], MediaFile.open("test/files/test-static-32x32.gif").dimensions)
end
should "determine the correct dimensions for a webm file" do
skip unless MediaFile.videos_enabled?
assert_equal([512, 512], MediaFile.open("test/files/test-512x512.webm").dimensions)
end
should "determine the correct dimensions for a mp4 file" do
skip unless MediaFile.videos_enabled?
assert_equal([300, 300], MediaFile.open("test/files/test-300x300.mp4").dimensions)
end
should "determine the correct dimensions for a ugoira file" do
skip unless MediaFile.videos_enabled?
frame_data = JSON.parse(File.read("test/files/ugoira.json"))
assert_equal([60, 60], MediaFile.open("test/files/ugoira.zip", frame_data: frame_data).dimensions)
end
should "determine the correct dimensions for a flash file" do
assert_equal([607, 756], MediaFile.open("test/files/compressed.swf").dimensions)
end
should "work if called twice" do
mf = MediaFile.open("test/files/test.jpg")
assert_equal([500, 335], mf.dimensions)
assert_equal([500, 335], mf.dimensions)
mf = MediaFile.open("test/files/compressed.swf")
assert_equal([607, 756], mf.dimensions)
assert_equal([607, 756], mf.dimensions)
end
should "work for a video if called twice" do
skip unless MediaFile.videos_enabled?
mf = MediaFile.open("test/files/test-512x512.webm")
assert_equal([512, 512], mf.dimensions)
assert_equal([512, 512], mf.dimensions)
frame_data = JSON.parse(File.read("test/files/ugoira.json"))
mf = MediaFile.open("test/files/ugoira.zip", frame_data: frame_data)
assert_equal([60, 60], mf.dimensions)
assert_equal([60, 60], mf.dimensions)
end
end
context "#file_ext" do
should "determine the correct extension for a jpeg file" do
assert_equal(:jpg, MediaFile.open("test/files/test.jpg").file_ext)
assert_equal(:jpg, MediaFile.open("test/files/test-blank.jpg").file_ext)
assert_equal(:jpg, MediaFile.open("test/files/test-exif-small.jpg").file_ext)
assert_equal(:jpg, MediaFile.open("test/files/test-large.jpg").file_ext)
end
should "determine the correct extension for a png file" do
assert_equal(:png, MediaFile.open("test/files/test.png").file_ext)
assert_equal(:png, MediaFile.open("test/files/apng/normal_apng.png").file_ext)
assert_equal(:png, MediaFile.open("test/files/alpha.png").file_ext)
end
should "determine the correct extension for a gif file" do
assert_equal(:gif, MediaFile.open("test/files/test.gif").file_ext)
assert_equal(:gif, MediaFile.open("test/files/test-animated-86x52.gif").file_ext)
assert_equal(:gif, MediaFile.open("test/files/test-static-32x32.gif").file_ext)
end
should "determine the correct extension for a webm file" do
assert_equal(:webm, MediaFile.open("test/files/test-512x512.webm").file_ext)
end
should "determine the correct extension for a mp4 file" do
assert_equal(:mp4, MediaFile.open("test/files/test-300x300.mp4").file_ext)
end
should "determine the correct extension for a m4v file" do
assert_equal(:mp4, MediaFile.open("test/files/test-audio.m4v").file_ext)
end
should "determine the correct extension for a ugoira file" do
assert_equal(:zip, MediaFile.open("test/files/ugoira.zip").file_ext)
end
should "determine the correct extension for a flash file" do
assert_equal(:swf, MediaFile.open("test/files/compressed.swf").file_ext)
end
should "not fail for empty files" do
assert_equal(:bin, MediaFile.open("test/files/test-empty.bin").file_ext)
end
end
should "determine the correct md5 for a jpeg file" do
assert_equal("ecef68c44edb8a0d6a3070b5f8e8ee76", MediaFile.open("test/files/test.jpg").md5)
end
should "determine the correct filesize for a jpeg file" do
assert_equal(28086, MediaFile.open("test/files/test.jpg").file_size)
end
context "#preview" do
should "generate a preview image for a static image" do
assert_equal([150, 101], MediaFile.open("test/files/test.jpg").preview(150, 150).dimensions)
assert_equal([113, 150], MediaFile.open("test/files/test.png").preview(150, 150).dimensions)
assert_equal([150, 150], MediaFile.open("test/files/test.gif").preview(150, 150).dimensions)
end
should "generate a preview image for an animated image" do
skip unless MediaFile.videos_enabled?
assert_equal([86, 52], MediaFile.open("test/files/test-animated-86x52.gif").preview(150, 150).dimensions)
assert_equal([150, 105], MediaFile.open("test/files/test-animated-400x281.gif").preview(150, 150).dimensions)
assert_equal([150, 150], MediaFile.open("test/files/test-animated-256x256.png").preview(150, 150).dimensions)
assert_equal([150, 150], MediaFile.open("test/files/apng/normal_apng.png").preview(150, 150).dimensions)
end
should "generate a preview image for a video" do
skip unless MediaFile.videos_enabled?
assert_equal([150, 150], MediaFile.open("test/files/test-512x512.webm").preview(150, 150).dimensions)
assert_equal([150, 150], MediaFile.open("test/files/test-300x300.mp4").preview(150, 150).dimensions)
end
should "be able to fit to width only" do
assert_equal([400, 268], MediaFile.open("test/files/test.jpg").preview(400, nil).dimensions)
end
end
context "for a ugoira" do
setup do
skip unless MediaFile::Ugoira.videos_enabled?
frame_data = JSON.parse(File.read("test/files/ugoira.json"))
@ugoira = MediaFile.open("test/files/ugoira.zip", frame_data: frame_data)
end
should "generate a preview" do
assert_equal([60, 60], @ugoira.preview(150, 150).dimensions)
end
should "get the duration" do
assert_equal(1.05, @ugoira.duration)
assert_equal(4.76, @ugoira.frame_rate.round(2))
assert_equal(5, @ugoira.frame_count)
end
should "convert to a webm" do
webm = @ugoira.convert
assert_equal(:webm, webm.file_ext)
assert_equal([60, 60], webm.dimensions)
end
end
context "for an mp4 file " do
should "detect videos with audio" do
assert_equal(true, MediaFile.open("test/files/test-audio.mp4").has_audio?)
assert_equal(false, MediaFile.open("test/files/test-300x300.mp4").has_audio?)
end
should "determine the duration of the video" do
file = MediaFile.open("test/files/test-audio.mp4")
assert_equal(1.002667, file.duration)
assert_equal(10/1.002667, file.frame_rate)
assert_equal(10, file.frame_count)
file = MediaFile.open("test/files/test-300x300.mp4")
assert_equal(5.7, file.duration)
assert_equal(1.75, file.frame_rate.round(2))
assert_equal(10, file.frame_count)
end
end
context "for a webm file" do
should "determine the duration of the video" do
file = MediaFile.open("test/files/test-512x512.webm")
assert_equal(0.48, file.duration)
assert_equal(10/0.48, file.frame_rate)
assert_equal(10, file.frame_count)
end
end
context "a compressed SWF file" do
should "get all the metadata" do
@metadata = MediaFile.open("test/files/compressed.swf").metadata
assert_equal(true, @metadata["Flash:Compressed"])
assert_not_equal("Install Compress::Zlib to extract compressed information", @metadata["ExifTool:Warning"])
assert_equal(6, @metadata.count)
end
end
context "an animated GIF file" do
should "determine the duration of the animation" do
file = MediaFile.open("test/files/test-animated-86x52.gif")
assert_equal(0.4, file.duration)
assert_equal(10, file.frame_rate)
assert_equal(4, file.frame_count)
end
end
context "a PNG file" do
context "that is not animated" do
should "not be detected as animated" do
file = MediaFile.open("test/files/apng/not_apng.png")
assert_equal(false, file.is_corrupt?)
assert_equal(false, file.is_animated?)
assert_nil(file.duration)
assert_nil(file.frame_rate)
assert_equal(1, file.frame_count)
end
end
context "that is animated" do
should "be detected as animated" do
file = MediaFile.open("test/files/apng/normal_apng.png")
assert_equal(false, file.is_corrupt?)
assert_equal(true, file.is_animated?)
assert_equal(3.0, file.duration)
assert_equal(1.0, file.frame_rate)
assert_equal(3, file.frame_count)
end
end
context "that is animated but with only one frame" do
should "not be detected as animated" do
file = MediaFile.open("test/files/apng/single_frame.png")
assert_equal(false, file.is_corrupt?)
assert_equal(false, file.is_animated?)
assert_nil(file.duration)
assert_nil(file.frame_rate)
assert_equal(1, file.frame_count)
end
end
context "that is animated but with an unspecified frame rate" do
should "have an assumed frame rate of ~6.66 FPS" do
file = MediaFile.open("test/files/test-animated-inf-fps.png")
assert_equal(false, file.is_corrupt?)
assert_equal(true, file.is_animated?)
assert_equal(0.3, file.duration)
assert_equal(2, file.frame_count)
assert_equal(2/0.3, file.frame_rate)
end
end
context "that is animated but malformed" do
should "be handled correctly" do
file = MediaFile.open("test/files/apng/iend_missing.png")
assert_equal(false, file.is_corrupt?)
assert_equal(true, file.is_animated?)
file = MediaFile.open("test/files/apng/misaligned_chunks.png")
assert_equal(true, file.is_corrupt?)
assert_equal(true, file.is_animated?)
file = MediaFile.open("test/files/apng/broken.png")
assert_equal(true, file.is_corrupt?)
assert_equal(true, file.is_animated?)
file = MediaFile.open("test/files/apng/actl_wronglen.png")
assert_equal(false, file.is_corrupt?)
assert_equal(true, file.is_animated?)
file = MediaFile.open("test/files/apng/actl_zero_frames.png")
assert_equal(false, file.is_corrupt?)
assert_equal(false, file.is_animated?)
assert_equal(0, file.frame_count)
end
end
end
context "a corrupt GIF" do
should "still read the metadata" do
@file = MediaFile.open("test/files/test-corrupt.gif")
@metadata = @file.metadata
assert_equal(true, @file.is_corrupt?)
assert_equal("File format error", @metadata["ExifTool:Error"])
assert_equal("89a", @metadata["GIF:GIFVersion"])
assert_equal(6, @metadata.count)
end
end
context "a corrupt PNG" do
should "still read the metadata" do
@file = MediaFile.open("test/files/test-corrupt.png")
@metadata = @file.metadata
assert_equal(true, @file.is_corrupt?)
assert_equal("Grayscale", @metadata["PNG:ColorType"])
assert_equal(6, @metadata.count)
end
end
context "a corrupt JPEG" do
should "still read the metadata" do
@file = MediaFile.open("test/files/test-corrupt.jpg")
@metadata = @file.metadata
assert_equal(true, @file.is_corrupt?)
assert_equal(1, @metadata["File:ColorComponents"])
assert_equal(7, @metadata.count)
end
end
context "a greyscale image without an embedded color profile" do
should "successfully generate a thumbnail" do
@image = MediaFile.open("test/files/test-grey-no-profile.jpg")
@preview = @image.preview(150, 150)
assert_equal(1, @image.channels)
assert_equal(:"b-w", @image.colorspace)
assert_equal([535, 290], @image.dimensions)
# XXX This will fail on libvips lower than 8.10. Before 8.10 it's 3
# channel srgb, after 8.10 it's 1 channel greyscale.
assert_equal(1, @preview.channels)
assert_equal(:"b-w", @preview.colorspace)
assert_equal([150, 81], @preview.dimensions)
end
end
context "a CMYK image without an embedded color profile" do
should "successfully generate a thumbnail" do
@image = MediaFile.open("test/files/test-cmyk-no-profile.jpg")
@preview = @image.preview(150, 150)
assert_equal(4, @image.channels)
assert_equal(:cmyk, @image.colorspace)
assert_equal([197, 256], @image.dimensions)
assert_equal(4, @preview.channels)
assert_equal(:cmyk, @preview.colorspace)
assert_equal([115, 150], @preview.dimensions)
end
end
context "an image with a weird embedded color profile" do
should "successfully generate a thumbnail" do
@image = MediaFile.open("test/files/test-weird-profile.jpg")
@preview = @image.preview(150, 150)
assert_equal(3, @image.channels)
assert_equal(:srgb, @image.colorspace)
assert_equal([154, 192], @image.dimensions)
assert_equal(3, @preview.channels)
assert_equal(:srgb, @preview.colorspace)
assert_equal([120, 150], @preview.dimensions)
end
end
context "an image that is rotated 90 degrees clockwise" do
should "have the correct dimensions" do
@file = MediaFile.open("test/files/test-rotation-90cw.jpg")
assert_equal([96, 128], @file.dimensions)
end
should "generate a rotated thumbnail" do
@file = MediaFile.open("test/files/test-rotation-90cw.jpg")
assert_equal([48, 64], @file.preview(64, 64).dimensions)
end
end
context "an image that is rotated 270 degrees clockwise" do
should "have the correct dimensions" do
@file = MediaFile.open("test/files/test-rotation-270cw.jpg")
assert_equal([100, 66], @file.dimensions)
end
should "generate a rotated thumbnail" do
@file = MediaFile.open("test/files/test-rotation-270cw.jpg")
assert_equal([50, 33], @file.preview(50, 50).dimensions)
end
end
context "an image that is rotated 180 degrees" do
should "have the correct dimensions" do
@file = MediaFile.open("test/files/test-rotation-180.jpg")
assert_equal([66, 100], @file.dimensions)
end
should "generate a rotated thumbnail" do
@file = MediaFile.open("test/files/test-rotation-180.jpg")
assert_equal([33, 50], @file.preview(50, 50).dimensions)
end
end
context "a PNG with an exif orientation flag" do
should "not generate rotated dimensions" do
@file = MediaFile.open("test/files/test-rotation-90cw.png")
assert_equal([128, 96], @file.dimensions)
end
should "not generate a rotated thumbnail" do
@file = MediaFile.open("test/files/test-rotation-90cw.png")
assert_equal([64, 48], @file.preview(64, 64).dimensions)
end
end
end