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40 lines
1.2 KiB
Ruby
40 lines
1.2 KiB
Ruby
# frozen_string_literal: true
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require "test_helper"
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require "database/setup"
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class ActiveStorage::PreviewTest < ActiveSupport::TestCase
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test "previewing a PDF" do
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blob = create_file_blob(filename: "report.pdf", content_type: "application/pdf")
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preview = blob.preview(resize: "640x280").processed
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assert_predicate preview.image, :attached?
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assert_equal "report.png", preview.image.filename.to_s
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assert_equal "image/png", preview.image.content_type
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image = read_image(preview.image)
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assert_equal 612, image.width
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assert_equal 792, image.height
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end
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test "previewing an MP4 video" do
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blob = create_file_blob(filename: "video.mp4", content_type: "video/mp4")
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preview = blob.preview(resize: "640x280").processed
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assert_predicate preview.image, :attached?
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assert_equal "video.png", preview.image.filename.to_s
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assert_equal "image/png", preview.image.content_type
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image = read_image(preview.image)
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assert_equal 640, image.width
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assert_equal 480, image.height
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end
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test "previewing an unpreviewable blob" do
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blob = create_file_blob
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assert_raises ActiveStorage::UnpreviewableError do
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blob.preview resize: "640x280"
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end
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end
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end
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