273 lines
9.1 KiB
Ruby
273 lines
9.1 KiB
Ruby
# frozen_string_literal: true
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require "test_helper"
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require "database/setup"
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require "active_support/testing/method_call_assertions"
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class ActiveStorage::BlobTest < ActiveSupport::TestCase
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include ActiveSupport::Testing::MethodCallAssertions
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test "unattached scope" do
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[ create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg") ].tap do |blobs|
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User.create! name: "DHH", avatar: blobs.first
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assert_includes ActiveStorage::Blob.unattached, blobs.second
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assert_not_includes ActiveStorage::Blob.unattached, blobs.first
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User.create! name: "Jason", avatar: blobs.second
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assert_not_includes ActiveStorage::Blob.unattached, blobs.second
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end
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end
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test "create_and_upload does not permit a conflicting blob key to overwrite an existing object" do
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data = "First file"
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blob = create_blob data: data
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assert_raises ActiveRecord::RecordNotUnique do
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ActiveStorage::Blob.stub :generate_unique_secure_token, blob.key do
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create_blob data: "This would overwrite"
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end
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end
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assert_equal data, blob.download
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end
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test "create_after_upload! has the same effect as create_and_upload!" do
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data = "Some other, even more funky file"
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blob = assert_deprecated do
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ActiveStorage::Blob.create_after_upload!(io: StringIO.new(data), filename: "funky.bin")
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end
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assert blob.persisted?
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assert_equal data, blob.download
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end
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test "build_after_upload uploads to service but does not save the Blob" do
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data = "A potentially overwriting file"
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blob = assert_deprecated do
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ActiveStorage::Blob.build_after_upload(io: StringIO.new(data), filename: "funky.bin")
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end
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assert_not blob.persisted?
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assert_equal data, blob.download
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end
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test "create_and_upload sets byte size and checksum" do
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data = "Hello world!"
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blob = create_blob data: data
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assert_equal data, blob.download
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assert_equal data.length, blob.byte_size
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assert_equal Digest::MD5.base64digest(data), blob.checksum
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end
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test "create_and_upload extracts content type from data" do
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blob = create_file_blob content_type: "application/octet-stream"
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assert_equal "image/jpeg", blob.content_type
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end
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test "create_and_upload extracts content type from filename" do
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blob = create_blob content_type: "application/octet-stream"
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assert_equal "text/plain", blob.content_type
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end
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test "create_and_upload extracts content_type from io when no content_type given and identify: false" do
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blob = create_blob content_type: nil, identify: false
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assert_equal "text/plain", blob.content_type
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end
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test "create_and_upload uses content_type when identify: false" do
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blob = create_blob data: "Article,dates,analysis\n1, 2, 3", filename: "table.csv", content_type: "text/csv", identify: false
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assert_equal "text/csv", blob.content_type
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end
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test "create_and_upload generates a 28-character base36 key" do
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assert_match(/^[a-z0-9]{28}$/, create_blob.key)
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end
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test "create_and_upload accepts a custom key" do
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key = SecureRandom.base36(28)
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data = "Hello world!"
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blob = create_blob key: key, data: data
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assert_equal key, blob.key
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assert_equal data, blob.download
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end
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test "create_and_upload accepts a record for overrides" do
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assert_nothing_raised do
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create_blob(record: User.new)
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end
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end
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test "build_after_unfurling generates a 28-character base36 key" do
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assert_match(/^[a-z0-9]{28}$/, build_blob_after_unfurling.key)
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end
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test "image?" do
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blob = create_file_blob filename: "racecar.jpg"
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assert_predicate blob, :image?
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assert_not_predicate blob, :audio?
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end
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test "video?" do
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blob = create_file_blob(filename: "video.mp4", content_type: "video/mp4")
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assert_predicate blob, :video?
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assert_not_predicate blob, :audio?
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end
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test "text?" do
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blob = create_blob data: "Hello world!"
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assert_predicate blob, :text?
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assert_not_predicate blob, :audio?
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end
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test "download yields chunks" do
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blob = create_blob data: "a" * 5.0625.megabytes
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chunks = []
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blob.download do |chunk|
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chunks << chunk
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end
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assert_equal 2, chunks.size
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assert_equal "a" * 5.megabytes, chunks.first
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assert_equal "a" * 64.kilobytes, chunks.second
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end
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test "open with integrity" do
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create_file_blob(filename: "racecar.jpg").tap do |blob|
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blob.open do |file|
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assert file.binmode?
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assert_equal 0, file.pos
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assert File.basename(file.path).starts_with?("ActiveStorage-#{blob.id}-")
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assert file.path.ends_with?(".jpg")
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assert_equal file_fixture("racecar.jpg").binread, file.read, "Expected downloaded file to match fixture file"
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end
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end
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end
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test "open without integrity" do
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create_blob(data: "Hello, world!").tap do |blob|
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blob.update! checksum: Digest::MD5.base64digest("Goodbye, world!")
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assert_raises ActiveStorage::IntegrityError do
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blob.open { |file| flunk "Expected integrity check to fail" }
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end
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end
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end
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test "open in a custom tmpdir" do
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create_file_blob(filename: "racecar.jpg").open(tmpdir: tmpdir = Dir.mktmpdir) do |file|
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assert file.binmode?
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assert_equal 0, file.pos
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assert_match(/\.jpg\z/, file.path)
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assert file.path.starts_with?(tmpdir)
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assert_equal file_fixture("racecar.jpg").binread, file.read, "Expected downloaded file to match fixture file"
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end
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end
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test "URLs expiring in 5 minutes" do
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blob = create_blob
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freeze_time do
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assert_equal expected_url_for(blob), blob.url
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assert_equal expected_url_for(blob, disposition: :attachment), blob.url(disposition: :attachment)
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end
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end
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test "URLs force content_type to binary and attachment as content disposition for content types served as binary" do
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blob = create_blob(content_type: "text/html")
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freeze_time do
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assert_equal expected_url_for(blob, disposition: :attachment, content_type: "application/octet-stream"), blob.url
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assert_equal expected_url_for(blob, disposition: :attachment, content_type: "application/octet-stream"), blob.url(disposition: :inline)
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end
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end
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test "URLs force attachment as content disposition when the content type is not allowed inline" do
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blob = create_blob(content_type: "application/zip")
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freeze_time do
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assert_equal expected_url_for(blob, disposition: :attachment, content_type: "application/zip"), blob.url
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assert_equal expected_url_for(blob, disposition: :attachment, content_type: "application/zip"), blob.url(disposition: :inline)
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end
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end
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test "URLs allow for custom filename" do
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blob = create_blob(filename: "original.txt")
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new_filename = ActiveStorage::Filename.new("new.txt")
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freeze_time do
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assert_equal expected_url_for(blob), blob.url
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assert_equal expected_url_for(blob, filename: new_filename), blob.url(filename: new_filename)
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assert_equal expected_url_for(blob, filename: new_filename), blob.url(filename: "new.txt")
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assert_equal expected_url_for(blob, filename: blob.filename), blob.url(filename: nil)
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end
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end
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test "URLs allow for custom options" do
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blob = create_blob(filename: "original.txt")
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arguments = [
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blob.key,
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expires_in: ActiveStorage.service_urls_expire_in,
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disposition: :attachment,
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content_type: blob.content_type,
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filename: blob.filename,
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thumb_size: "300x300",
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thumb_mode: "crop"
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]
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assert_called_with(blob.service, :url, arguments) do
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blob.url(thumb_size: "300x300", thumb_mode: "crop")
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end
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end
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test "purge deletes file from external service" do
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blob = create_blob
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blob.purge
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assert_not ActiveStorage::Blob.service.exist?(blob.key)
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end
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test "purge deletes variants from external service" do
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blob = create_file_blob
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variant = blob.variant(resize: "100>").processed
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blob.purge
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assert_not ActiveStorage::Blob.service.exist?(variant.key)
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end
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test "purge does nothing when attachments exist" do
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create_blob.tap do |blob|
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User.create! name: "DHH", avatar: blob
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assert_no_difference(-> { ActiveStorage::Blob.count }) { blob.purge }
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assert ActiveStorage::Blob.service.exist?(blob.key)
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end
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end
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test "uses service from blob when provided" do
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with_service("mirror") do
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blob = create_blob(filename: "funky.jpg", service_name: :local)
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assert_instance_of ActiveStorage::Service::DiskService, blob.service
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end
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end
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test "invalidates record when provided service_name is invalid" do
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blob = create_blob(filename: "funky.jpg")
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blob.update(service_name: :unknown)
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assert_not blob.valid?
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assert_equal ["is invalid"], blob.errors[:service_name]
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end
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private
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def expected_url_for(blob, disposition: :attachment, filename: nil, content_type: nil, service_name: :local)
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filename ||= blob.filename
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content_type ||= blob.content_type
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key_params = { key: blob.key, disposition: ActionDispatch::Http::ContentDisposition.format(disposition: disposition, filename: filename.sanitized), content_type: content_type, service_name: service_name }
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"https://example.com/rails/active_storage/disk/#{ActiveStorage.verifier.generate(key_params, expires_in: 5.minutes, purpose: :blob_key)}/#{filename}"
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end
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end
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