822f72387e
Bug: if ExifTool exited with status 1 because it thought the file was corrupt, then we didn't record any of the metadata, even though it was able to read most of it. It turns out there are thousands of posts with minorly corrupt metadata that ExifTool is still able to read, but will complain about. Fix: ignore the exit code of ExifTool and always save whatever metadata ExifTool is able to return. It will return an `ExifTool:Error` tag in the event of errors. Note that there are some (many?) files that are considered corrupt by ExifTool but not by Vips, and vice versa. Probably because ExifTool only parses the metadata while Vips only parses the image data.
274 lines
11 KiB
Ruby
274 lines
11 KiB
Ruby
require 'test_helper'
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class MediaFileTest < ActiveSupport::TestCase
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context "#dimensions" do
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should "determine the correct dimensions for a jpeg file" do
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assert_equal([500, 335], MediaFile.open("test/files/test.jpg").dimensions)
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assert_equal([668, 996], MediaFile.open("test/files/test-blank.jpg").dimensions)
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assert_equal([529, 600], MediaFile.open("test/files/test-exif-small.jpg").dimensions)
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assert_equal([1356, 911], MediaFile.open("test/files/test-large.jpg").dimensions)
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end
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should "determine the correct dimensions for a png file" do
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assert_equal([768, 1024], MediaFile.open("test/files/test.png").dimensions)
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assert_equal([150, 150], MediaFile.open("test/files/apng/normal_apng.png").dimensions)
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assert_equal([85, 62], MediaFile.open("test/files/alpha.png").dimensions)
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end
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should "determine the correct dimensions for a gif file" do
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assert_equal([400, 400], MediaFile.open("test/files/test.gif").dimensions)
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assert_equal([86, 52], MediaFile.open("test/files/test-animated-86x52.gif").dimensions)
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assert_equal([32, 32], MediaFile.open("test/files/test-static-32x32.gif").dimensions)
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end
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should "determine the correct dimensions for a webm file" do
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skip unless MediaFile.videos_enabled?
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assert_equal([512, 512], MediaFile.open("test/files/test-512x512.webm").dimensions)
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end
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should "determine the correct dimensions for a mp4 file" do
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skip unless MediaFile.videos_enabled?
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assert_equal([300, 300], MediaFile.open("test/files/test-300x300.mp4").dimensions)
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end
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should "determine the correct dimensions for a ugoira file" do
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skip unless MediaFile.videos_enabled?
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frame_data = JSON.parse(File.read("test/files/ugoira.json"))
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assert_equal([60, 60], MediaFile.open("test/files/ugoira.zip", frame_data: frame_data).dimensions)
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end
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should "determine the correct dimensions for a flash file" do
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assert_equal([607, 756], MediaFile.open("test/files/compressed.swf").dimensions)
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end
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should "work if called twice" do
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mf = MediaFile.open("test/files/test.jpg")
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assert_equal([500, 335], mf.dimensions)
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assert_equal([500, 335], mf.dimensions)
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mf = MediaFile.open("test/files/compressed.swf")
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assert_equal([607, 756], mf.dimensions)
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assert_equal([607, 756], mf.dimensions)
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end
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should "work for a video if called twice" do
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skip unless MediaFile.videos_enabled?
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mf = MediaFile.open("test/files/test-512x512.webm")
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assert_equal([512, 512], mf.dimensions)
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assert_equal([512, 512], mf.dimensions)
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frame_data = JSON.parse(File.read("test/files/ugoira.json"))
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mf = MediaFile.open("test/files/ugoira.zip", frame_data: frame_data)
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assert_equal([60, 60], mf.dimensions)
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assert_equal([60, 60], mf.dimensions)
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end
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end
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context "#file_ext" do
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should "determine the correct extension for a jpeg file" do
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assert_equal(:jpg, MediaFile.open("test/files/test.jpg").file_ext)
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assert_equal(:jpg, MediaFile.open("test/files/test-blank.jpg").file_ext)
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assert_equal(:jpg, MediaFile.open("test/files/test-exif-small.jpg").file_ext)
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assert_equal(:jpg, MediaFile.open("test/files/test-large.jpg").file_ext)
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end
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should "determine the correct extension for a png file" do
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assert_equal(:png, MediaFile.open("test/files/test.png").file_ext)
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assert_equal(:png, MediaFile.open("test/files/apng/normal_apng.png").file_ext)
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assert_equal(:png, MediaFile.open("test/files/alpha.png").file_ext)
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end
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should "determine the correct extension for a gif file" do
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assert_equal(:gif, MediaFile.open("test/files/test.gif").file_ext)
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assert_equal(:gif, MediaFile.open("test/files/test-animated-86x52.gif").file_ext)
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assert_equal(:gif, MediaFile.open("test/files/test-static-32x32.gif").file_ext)
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end
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should "determine the correct extension for a webm file" do
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assert_equal(:webm, MediaFile.open("test/files/test-512x512.webm").file_ext)
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end
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should "determine the correct extension for a mp4 file" do
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assert_equal(:mp4, MediaFile.open("test/files/test-300x300.mp4").file_ext)
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end
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should "determine the correct extension for a ugoira file" do
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assert_equal(:zip, MediaFile.open("test/files/ugoira.zip").file_ext)
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end
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should "determine the correct extension for a flash file" do
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assert_equal(:swf, MediaFile.open("test/files/compressed.swf").file_ext)
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end
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should "not fail for empty files" do
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assert_equal(:bin, MediaFile.open("test/files/test-empty.bin").file_ext)
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end
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end
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should "determine the correct md5 for a jpeg file" do
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assert_equal("ecef68c44edb8a0d6a3070b5f8e8ee76", MediaFile.open("test/files/test.jpg").md5)
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end
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should "determine the correct filesize for a jpeg file" do
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assert_equal(28086, MediaFile.open("test/files/test.jpg").file_size)
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end
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context "#preview" do
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should "generate a preview image for a static image" do
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assert_equal([150, 101], MediaFile.open("test/files/test.jpg").preview(150, 150).dimensions)
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assert_equal([113, 150], MediaFile.open("test/files/test.png").preview(150, 150).dimensions)
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assert_equal([150, 150], MediaFile.open("test/files/test.gif").preview(150, 150).dimensions)
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end
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should "generate a preview image for an animated image" do
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skip unless MediaFile.videos_enabled?
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assert_equal([86, 52], MediaFile.open("test/files/test-animated-86x52.gif").preview(150, 150).dimensions)
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assert_equal([150, 105], MediaFile.open("test/files/test-animated-400x281.gif").preview(150, 150).dimensions)
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assert_equal([150, 150], MediaFile.open("test/files/test-animated-256x256.png").preview(150, 150).dimensions)
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assert_equal([150, 150], MediaFile.open("test/files/apng/normal_apng.png").preview(150, 150).dimensions)
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end
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should "generate a preview image for a video" do
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skip unless MediaFile.videos_enabled?
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assert_equal([150, 150], MediaFile.open("test/files/test-512x512.webm").preview(150, 150).dimensions)
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assert_equal([150, 150], MediaFile.open("test/files/test-300x300.mp4").preview(150, 150).dimensions)
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end
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should "be able to fit to width only" do
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assert_equal([400, 268], MediaFile.open("test/files/test.jpg").preview(400, nil).dimensions)
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end
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end
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context "#crop" do
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should "generate a cropped preview image" do
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assert_equal([150, 150], MediaFile.open("test/files/test.jpg").crop(150, 150).dimensions)
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assert_equal([150, 150], MediaFile.open("test/files/test.png").crop(150, 150).dimensions)
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assert_equal([150, 150], MediaFile.open("test/files/test.gif").crop(150, 150).dimensions)
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end
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should "generate a cropped preview image for a video" do
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skip unless MediaFile.videos_enabled?
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assert_equal([150, 150], MediaFile.open("test/files/test-512x512.webm").crop(150, 150).dimensions)
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assert_equal([150, 150], MediaFile.open("test/files/test-300x300.mp4").crop(150, 150).dimensions)
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end
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end
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context "for a ugoira" do
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setup do
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skip unless MediaFile::Ugoira.videos_enabled?
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frame_data = JSON.parse(File.read("test/files/ugoira.json"))
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@ugoira = MediaFile.open("test/files/ugoira.zip", frame_data: frame_data)
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end
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should "generate a preview" do
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assert_equal([60, 60], @ugoira.preview(150, 150).dimensions)
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assert_equal([150, 150], @ugoira.crop(150, 150).dimensions)
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end
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should "convert to a webm" do
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webm = @ugoira.convert
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assert_equal(:webm, webm.file_ext)
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assert_equal([60, 60], webm.dimensions)
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end
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end
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context "for a video" do
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should "detect videos with audio" do
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assert_equal(true, MediaFile.open("test/files/test-audio.mp4").has_audio?)
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assert_equal(false, MediaFile.open("test/files/test-300x300.mp4").has_audio?)
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end
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end
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context "a compressed SWF file" do
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should "get all the metadata" do
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@metadata = MediaFile.open("test/files/compressed.swf").metadata
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assert_equal(true, @metadata["Flash:Compressed"])
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assert_not_equal("Install Compress::Zlib to extract compressed information", @metadata["ExifTool:Warning"])
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assert_equal(6, @metadata.count)
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end
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end
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context "a corrupt GIF" do
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should "still read the metadata" do
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@file = MediaFile.open("test/files/test-corrupt.gif")
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@metadata = @file.metadata
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assert_equal(true, @file.is_corrupt?)
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assert_equal("File format error", @metadata["ExifTool:Error"])
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assert_equal("89a", @metadata["GIF:GIFVersion"])
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assert_equal(6, @metadata.count)
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end
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end
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context "a corrupt PNG" do
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should "still read the metadata" do
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@file = MediaFile.open("test/files/test-corrupt.png")
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@metadata = @file.metadata
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assert_equal(true, @file.is_corrupt?)
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assert_equal("Grayscale", @metadata["PNG:ColorType"])
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assert_equal(6, @metadata.count)
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end
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end
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context "a corrupt JPEG" do
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should "still read the metadata" do
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@file = MediaFile.open("test/files/test-corrupt.jpg")
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@metadata = @file.metadata
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assert_equal(true, @file.is_corrupt?)
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assert_equal(1, @metadata["File:ColorComponents"])
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assert_equal(7, @metadata.count)
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end
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end
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context "a greyscale image without an embedded color profile" do
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should "successfully generate a thumbnail" do
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@image = MediaFile.open("test/files/test-grey-no-profile.jpg")
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@preview = @image.preview(150, 150)
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assert_equal(1, @image.channels)
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assert_equal(:"b-w", @image.colorspace)
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assert_equal([535, 290], @image.dimensions)
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# XXX This will fail on libvips lower than 8.10. Before 8.10 it's 3
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# channel srgb, after 8.10 it's 1 channel greyscale.
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assert_equal(1, @preview.channels)
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assert_equal(:"b-w", @preview.colorspace)
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assert_equal([150, 81], @preview.dimensions)
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end
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end
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context "a CMYK image without an embedded color profile" do
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should "successfully generate a thumbnail" do
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@image = MediaFile.open("test/files/test-cmyk-no-profile.jpg")
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@preview = @image.preview(150, 150)
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assert_equal(4, @image.channels)
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assert_equal(:cmyk, @image.colorspace)
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assert_equal([197, 256], @image.dimensions)
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assert_equal(3, @preview.channels)
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assert_equal(:srgb, @preview.colorspace)
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assert_equal([115, 150], @preview.dimensions)
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end
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end
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context "an image with a weird embedded color profile" do
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should "successfully generate a thumbnail" do
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@image = MediaFile.open("test/files/test-weird-profile.jpg")
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@preview = @image.preview(150, 150)
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assert_equal(3, @image.channels)
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assert_equal(:srgb, @image.colorspace)
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assert_equal([154, 192], @image.dimensions)
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assert_equal(3, @preview.channels)
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assert_equal(:srgb, @preview.colorspace)
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assert_equal([120, 150], @preview.dimensions)
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end
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end
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end
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