79 lines
2.7 KiB
Ruby
79 lines
2.7 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_to_limit: [640, 280]).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 a cropped PDF" do
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blob = create_file_blob(filename: "cropped.pdf", content_type: "application/pdf")
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preview = blob.preview(resize_to_limit: [640, 280]).processed
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assert_predicate preview.image, :attached?
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assert_equal "cropped.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 430, image.width
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assert_equal 145, 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_to_limit: [640, 280]).processed
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assert_predicate preview.image, :attached?
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assert_equal "video.jpg", preview.image.filename.to_s
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assert_equal "image/jpeg", 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_to_limit: [640, 280]
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end
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end
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test "previewing on the writer DB" do
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blob = create_file_blob(filename: "report.pdf", content_type: "application/pdf")
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# prevent_writes option is required because there is no automatic write protection anymore
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ActiveRecord::Base.connected_to(role: ActiveRecord.reading_role, prevent_writes: true) do
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blob.preview(resize_to_limit: [640, 280]).processed
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end
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assert blob.reload.preview_image.attached?
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end
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test "preview of PDF is created on the same service" do
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blob = create_file_blob(filename: "report.pdf", content_type: "application/pdf", service_name: "local_public")
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preview = blob.preview(resize_to_limit: [640, 280]).processed
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assert_equal "local_public", preview.image.blob.service_name
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end
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test "preview of MP4 video is created on the same service" do
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blob = create_file_blob(filename: "video.mp4", content_type: "video/mp4", service_name: "local_public")
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preview = blob.preview(resize_to_limit: [640, 280]).processed
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assert_equal "local_public", preview.image.blob.service_name
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end
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end
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