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+# frozen_string_literal: true
+
+require "test_helper"
+require "database/setup"
+
+class ActiveStorage::ManyAttachedTest < ActiveSupport::TestCase
+ include ActiveJob::TestHelper
+
+ setup do
+ @user = User.create!(name: "Josh")
+ end
+
+ teardown { ActiveStorage::Blob.all.each(&:delete) }
+
+ test "attaching existing blobs to an existing record" do
+ @user.highlights.attach create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg")
+ assert_equal "funky.jpg", @user.highlights.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+ end
+
+ test "attaching existing blobs from signed IDs to an existing record" do
+ @user.highlights.attach create_blob(filename: "funky.jpg").signed_id, create_blob(filename: "town.jpg").signed_id
+ assert_equal "funky.jpg", @user.highlights.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+ end
+
+ test "attaching new blobs from Hashes to an existing record" do
+ @user.highlights.attach(
+ { io: StringIO.new("STUFF"), filename: "funky.jpg", content_type: "image/jpg" },
+ { io: StringIO.new("THINGS"), filename: "town.jpg", content_type: "image/jpeg" })
+
+ assert_equal "funky.jpg", @user.highlights.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+ end
+
+ test "attaching new blobs from uploaded files to an existing record" do
+ @user.highlights.attach fixture_file_upload("racecar.jpg"), fixture_file_upload("video.mp4")
+ assert_equal "racecar.jpg", @user.highlights.first.filename.to_s
+ assert_equal "video.mp4", @user.highlights.second.filename.to_s
+ end
+
+ test "attaching existing blobs to an existing, changed record" do
+ @user.name = "Tina"
+ assert @user.changed?
+
+ @user.highlights.attach create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg")
+ assert_equal "funky.jpg", @user.highlights.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+ assert_not @user.highlights.first.persisted?
+ assert_not @user.highlights.second.persisted?
+ assert @user.will_save_change_to_name?
+
+ @user.save!
+ assert_equal "funky.jpg", @user.highlights.reload.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+ end
+
+ test "attaching existing blobs from signed IDs to an existing, changed record" do
+ @user.name = "Tina"
+ assert @user.changed?
+
+ @user.highlights.attach create_blob(filename: "funky.jpg").signed_id, create_blob(filename: "town.jpg").signed_id
+ assert_equal "funky.jpg", @user.highlights.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+ assert_not @user.highlights.first.persisted?
+ assert_not @user.highlights.second.persisted?
+ assert @user.will_save_change_to_name?
+
+ @user.save!
+ assert_equal "funky.jpg", @user.highlights.reload.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+ end
+
+ test "attaching new blobs from Hashes to an existing, changed record" do
+ @user.name = "Tina"
+ assert @user.changed?
+
+ @user.highlights.attach(
+ { io: StringIO.new("STUFF"), filename: "funky.jpg", content_type: "image/jpg" },
+ { io: StringIO.new("THINGS"), filename: "town.jpg", content_type: "image/jpeg" })
+
+ assert_equal "funky.jpg", @user.highlights.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+ assert_not @user.highlights.first.persisted?
+ assert_not @user.highlights.second.persisted?
+ assert @user.will_save_change_to_name?
+
+ @user.save!
+ assert_equal "funky.jpg", @user.highlights.reload.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+ end
+
+ test "attaching new blobs from uploaded files to an existing, changed record" do
+ @user.name = "Tina"
+ assert @user.changed?
+
+ @user.highlights.attach fixture_file_upload("racecar.jpg"), fixture_file_upload("video.mp4")
+ assert_equal "racecar.jpg", @user.highlights.first.filename.to_s
+ assert_equal "video.mp4", @user.highlights.second.filename.to_s
+ assert_not @user.highlights.first.persisted?
+ assert_not @user.highlights.second.persisted?
+ assert @user.will_save_change_to_name?
+
+ @user.save!
+ assert_equal "racecar.jpg", @user.highlights.reload.first.filename.to_s
+ assert_equal "video.mp4", @user.highlights.second.filename.to_s
+ end
+
+ test "attaching existing blobs to an existing record one at a time" do
+ @user.highlights.attach create_blob(filename: "funky.jpg")
+ @user.highlights.attach create_blob(filename: "town.jpg")
+ assert_equal "funky.jpg", @user.highlights.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+
+ @user.reload
+ assert_equal "funky.jpg", @user.highlights.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+ end
+
+ test "updating an existing record to attach existing blobs" do
+ @user.update! highlights: [ create_file_blob(filename: "racecar.jpg"), create_file_blob(filename: "video.mp4") ]
+ assert_equal "racecar.jpg", @user.highlights.first.filename.to_s
+ assert_equal "video.mp4", @user.highlights.second.filename.to_s
+ end
+
+ test "updating an existing record to attach existing blobs from signed IDs" do
+ @user.update! highlights: [ create_blob(filename: "funky.jpg").signed_id, create_blob(filename: "town.jpg").signed_id ]
+ assert_equal "funky.jpg", @user.highlights.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+ end
+
+ test "successfully updating an existing record to attach new blobs from uploaded files" do
+ @user.highlights = [ fixture_file_upload("racecar.jpg"), fixture_file_upload("video.mp4") ]
+ assert_equal "racecar.jpg", @user.highlights.first.filename.to_s
+ assert_equal "video.mp4", @user.highlights.second.filename.to_s
+ assert_not ActiveStorage::Blob.service.exist?(@user.highlights.first.key)
+ assert_not ActiveStorage::Blob.service.exist?(@user.highlights.second.key)
+
+ @user.save!
+ assert ActiveStorage::Blob.service.exist?(@user.highlights.first.key)
+ assert ActiveStorage::Blob.service.exist?(@user.highlights.second.key)
+ end
+
+ test "unsuccessfully updating an existing record to attach new blobs from uploaded files" do
+ assert_not @user.update(name: "", highlights: [ fixture_file_upload("racecar.jpg"), fixture_file_upload("video.mp4") ])
+ assert_equal "racecar.jpg", @user.highlights.first.filename.to_s
+ assert_equal "video.mp4", @user.highlights.second.filename.to_s
+ assert_not ActiveStorage::Blob.service.exist?(@user.highlights.first.key)
+ assert_not ActiveStorage::Blob.service.exist?(@user.highlights.second.key)
+ end
+
+ test "replacing existing, dependent attachments on an existing record via assign and attach" do
+ [ create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg") ].tap do |old_blobs|
+ @user.highlights.attach old_blobs
+
+ @user.highlights = []
+ assert_not @user.highlights.attached?
+
+ perform_enqueued_jobs do
+ @user.highlights.attach create_blob(filename: "whenever.jpg"), create_blob(filename: "wherever.jpg")
+ end
+
+ assert_equal "whenever.jpg", @user.highlights.first.filename.to_s
+ assert_equal "wherever.jpg", @user.highlights.second.filename.to_s
+ assert_not ActiveStorage::Blob.exists?(old_blobs.first.id)
+ assert_not ActiveStorage::Blob.exists?(old_blobs.second.id)
+ assert_not ActiveStorage::Blob.service.exist?(old_blobs.first.key)
+ assert_not ActiveStorage::Blob.service.exist?(old_blobs.second.key)
+ end
+ end
+
+ test "replacing existing, independent attachments on an existing record via assign and attach" do
+ @user.vlogs.attach create_blob(filename: "funky.mp4"), create_blob(filename: "town.mp4")
+
+ @user.vlogs = []
+ assert_not @user.vlogs.attached?
+
+ assert_no_enqueued_jobs only: ActiveStorage::PurgeJob do
+ @user.vlogs.attach create_blob(filename: "whenever.mp4"), create_blob(filename: "wherever.mp4")
+ end
+
+ assert_equal "whenever.mp4", @user.vlogs.first.filename.to_s
+ assert_equal "wherever.mp4", @user.vlogs.second.filename.to_s
+ end
+
+ test "successfully updating an existing record to replace existing, dependent attachments" do
+ [ create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg") ].tap do |old_blobs|
+ @user.highlights.attach old_blobs
+
+ perform_enqueued_jobs do
+ @user.update! highlights: [ create_blob(filename: "whenever.jpg"), create_blob(filename: "wherever.jpg") ]
+ end
+
+ assert_equal "whenever.jpg", @user.highlights.first.filename.to_s
+ assert_equal "wherever.jpg", @user.highlights.second.filename.to_s
+ assert_not ActiveStorage::Blob.exists?(old_blobs.first.id)
+ assert_not ActiveStorage::Blob.exists?(old_blobs.second.id)
+ assert_not ActiveStorage::Blob.service.exist?(old_blobs.first.key)
+ assert_not ActiveStorage::Blob.service.exist?(old_blobs.second.key)
+ end
+ end
+
+ test "successfully updating an existing record to replace existing, independent attachments" do
+ @user.vlogs.attach create_blob(filename: "funky.mp4"), create_blob(filename: "town.mp4")
+
+ assert_no_enqueued_jobs only: ActiveStorage::PurgeJob do
+ @user.update! vlogs: [ create_blob(filename: "whenever.mp4"), create_blob(filename: "wherever.mp4") ]
+ end
+
+ assert_equal "whenever.mp4", @user.vlogs.first.filename.to_s
+ assert_equal "wherever.mp4", @user.vlogs.second.filename.to_s
+ end
+
+ test "unsuccessfully updating an existing record to replace existing attachments" do
+ @user.highlights.attach create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg")
+
+ assert_no_enqueued_jobs do
+ assert_not @user.update(name: "", highlights: [ fixture_file_upload("racecar.jpg"), fixture_file_upload("video.mp4") ])
+ end
+
+ assert_equal "racecar.jpg", @user.highlights.first.filename.to_s
+ assert_equal "video.mp4", @user.highlights.second.filename.to_s
+ assert_not ActiveStorage::Blob.service.exist?(@user.highlights.first.key)
+ assert_not ActiveStorage::Blob.service.exist?(@user.highlights.second.key)
+ end
+
+ test "updating an existing record to attach one new blob and one previously-attached blob" do
+ [ create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg") ].tap do |blobs|
+ @user.highlights.attach blobs.first
+
+ perform_enqueued_jobs do
+ assert_no_changes -> { @user.highlights_attachments.first.id } do
+ @user.update! highlights: blobs
+ end
+ end
+
+ assert_equal "funky.jpg", @user.highlights.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+ assert ActiveStorage::Blob.service.exist?(@user.highlights.first.key)
+ end
+ end
+
+ test "updating an existing record to remove dependent attachments" do
+ [ create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg") ].tap do |blobs|
+ @user.highlights.attach blobs
+
+ assert_enqueued_with job: ActiveStorage::PurgeJob, args: [ blobs.first ] do
+ assert_enqueued_with job: ActiveStorage::PurgeJob, args: [ blobs.second ] do
+ @user.update! highlights: []
+ end
+ end
+
+ assert_not @user.highlights.attached?
+ end
+ end
+
+ test "updating an existing record to remove independent attachments" do
+ [ create_blob(filename: "funky.mp4"), create_blob(filename: "town.mp4") ].tap do |blobs|
+ @user.vlogs.attach blobs
+
+ assert_no_enqueued_jobs only: ActiveStorage::PurgeJob do
+ @user.update! vlogs: []
+ end
+
+ assert_not @user.vlogs.attached?
+ end
+ end
+
+ test "analyzing a new blob from an uploaded file after attaching it to an existing record" do
+ perform_enqueued_jobs do
+ @user.highlights.attach fixture_file_upload("racecar.jpg")
+ end
+
+ assert @user.highlights.reload.first.analyzed?
+ assert_equal 4104, @user.highlights.first.metadata[:width]
+ assert_equal 2736, @user.highlights.first.metadata[:height]
+ end
+
+ test "analyzing a new blob from an uploaded file after attaching it to an existing record via update" do
+ perform_enqueued_jobs do
+ @user.update! highlights: [ fixture_file_upload("racecar.jpg") ]
+ end
+
+ assert @user.highlights.reload.first.analyzed?
+ assert_equal 4104, @user.highlights.first.metadata[:width]
+ assert_equal 2736, @user.highlights.first.metadata[:height]
+ end
+
+ test "analyzing a directly-uploaded blob after attaching it to an existing record" do
+ perform_enqueued_jobs do
+ @user.highlights.attach directly_upload_file_blob(filename: "racecar.jpg")
+ end
+
+ assert @user.highlights.reload.first.analyzed?
+ assert_equal 4104, @user.highlights.first.metadata[:width]
+ assert_equal 2736, @user.highlights.first.metadata[:height]
+ end
+
+ test "analyzing a directly-uploaded blob after attaching it to an existing record via update" do
+ perform_enqueued_jobs do
+ @user.update! highlights: [ directly_upload_file_blob(filename: "racecar.jpg") ]
+ end
+
+ assert @user.highlights.reload.first.analyzed?
+ assert_equal 4104, @user.highlights.first.metadata[:width]
+ assert_equal 2736, @user.highlights.first.metadata[:height]
+ end
+
+ test "attaching existing blobs to a new record" do
+ User.new(name: "Jason").tap do |user|
+ user.highlights.attach create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg")
+ assert user.new_record?
+ assert_equal "funky.jpg", user.highlights.first.filename.to_s
+ assert_equal "town.jpg", user.highlights.second.filename.to_s
+
+ user.save!
+ assert_equal "funky.jpg", user.highlights.first.filename.to_s
+ assert_equal "town.jpg", user.highlights.second.filename.to_s
+ end
+ end
+
+ test "attaching an existing blob from a signed ID to a new record" do
+ User.new(name: "Jason").tap do |user|
+ user.avatar.attach create_blob(filename: "funky.jpg").signed_id
+ assert user.new_record?
+ assert_equal "funky.jpg", user.avatar.filename.to_s
+
+ user.save!
+ assert_equal "funky.jpg", user.reload.avatar.filename.to_s
+ end
+ end
+
+ test "attaching new blobs from Hashes to a new record" do
+ User.new(name: "Jason").tap do |user|
+ user.highlights.attach(
+ { io: StringIO.new("STUFF"), filename: "funky.jpg", content_type: "image/jpg" },
+ { io: StringIO.new("THINGS"), filename: "town.jpg", content_type: "image/jpg" })
+
+ assert user.new_record?
+ assert user.highlights.first.new_record?
+ assert user.highlights.second.new_record?
+ assert user.highlights.first.blob.new_record?
+ assert user.highlights.second.blob.new_record?
+ assert_equal "funky.jpg", user.highlights.first.filename.to_s
+ assert_equal "town.jpg", user.highlights.second.filename.to_s
+ assert_not ActiveStorage::Blob.service.exist?(user.highlights.first.key)
+ assert_not ActiveStorage::Blob.service.exist?(user.highlights.second.key)
+
+ user.save!
+ assert user.highlights.first.persisted?
+ assert user.highlights.second.persisted?
+ assert user.highlights.first.blob.persisted?
+ assert user.highlights.second.blob.persisted?
+ assert_equal "funky.jpg", user.reload.highlights.first.filename.to_s
+ assert_equal "town.jpg", user.highlights.second.filename.to_s
+ assert ActiveStorage::Blob.service.exist?(user.highlights.first.key)
+ assert ActiveStorage::Blob.service.exist?(user.highlights.second.key)
+ end
+ end
+
+ test "attaching new blobs from uploaded files to a new record" do
+ User.new(name: "Jason").tap do |user|
+ user.highlights.attach fixture_file_upload("racecar.jpg"), fixture_file_upload("video.mp4")
+ assert user.new_record?
+ assert user.highlights.first.new_record?
+ assert user.highlights.second.new_record?
+ assert user.highlights.first.blob.new_record?
+ assert user.highlights.second.blob.new_record?
+ assert_equal "racecar.jpg", user.highlights.first.filename.to_s
+ assert_equal "video.mp4", user.highlights.second.filename.to_s
+ assert_not ActiveStorage::Blob.service.exist?(user.highlights.first.key)
+ assert_not ActiveStorage::Blob.service.exist?(user.highlights.second.key)
+
+ user.save!
+ assert user.highlights.first.persisted?
+ assert user.highlights.second.persisted?
+ assert user.highlights.first.blob.persisted?
+ assert user.highlights.second.blob.persisted?
+ assert_equal "racecar.jpg", user.reload.highlights.first.filename.to_s
+ assert_equal "video.mp4", user.highlights.second.filename.to_s
+ assert ActiveStorage::Blob.service.exist?(user.highlights.first.key)
+ assert ActiveStorage::Blob.service.exist?(user.highlights.second.key)
+ end
+ end
+
+ test "creating a record with existing blobs attached" do
+ user = User.create!(name: "Jason", highlights: [ create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg") ])
+ assert_equal "funky.jpg", user.reload.highlights.first.filename.to_s
+ assert_equal "town.jpg", user.reload.highlights.second.filename.to_s
+ end
+
+ test "creating a record with an existing blob from signed IDs attached" do
+ user = User.create!(name: "Jason", highlights: [
+ create_blob(filename: "funky.jpg").signed_id, create_blob(filename: "town.jpg").signed_id ])
+ assert_equal "funky.jpg", user.reload.highlights.first.filename.to_s
+ assert_equal "town.jpg", user.reload.highlights.second.filename.to_s
+ end
+
+ test "creating a record with new blobs from uploaded files attached" do
+ User.new(name: "Jason", highlights: [ fixture_file_upload("racecar.jpg"), fixture_file_upload("video.mp4") ]).tap do |user|
+ assert user.new_record?
+ assert user.highlights.first.new_record?
+ assert user.highlights.second.new_record?
+ assert user.highlights.first.blob.new_record?
+ assert user.highlights.second.blob.new_record?
+ assert_equal "racecar.jpg", user.highlights.first.filename.to_s
+ assert_equal "video.mp4", user.highlights.second.filename.to_s
+ assert_not ActiveStorage::Blob.service.exist?(user.highlights.first.key)
+ assert_not ActiveStorage::Blob.service.exist?(user.highlights.second.key)
+
+ user.save!
+ assert_equal "racecar.jpg", user.highlights.first.filename.to_s
+ assert_equal "video.mp4", user.highlights.second.filename.to_s
+ end
+ end
+
+ test "creating a record with an unexpected object attached" do
+ error = assert_raises(ArgumentError) { User.create!(name: "Jason", highlights: :foo) }
+ assert_equal "Could not find or build blob: expected attachable, got :foo", error.message
+ end
+
+ test "analyzing a new blob from an uploaded file after attaching it to a new record" do
+ perform_enqueued_jobs do
+ user = User.create!(name: "Jason", highlights: [ fixture_file_upload("racecar.jpg") ])
+ assert user.highlights.reload.first.analyzed?
+ assert_equal 4104, user.highlights.first.metadata[:width]
+ assert_equal 2736, user.highlights.first.metadata[:height]
+ end
+ end
+
+ test "analyzing a directly-uploaded blob after attaching it to a new record" do
+ perform_enqueued_jobs do
+ user = User.create!(name: "Jason", highlights: [ directly_upload_file_blob(filename: "racecar.jpg") ])
+ assert user.highlights.reload.first.analyzed?
+ assert_equal 4104, user.highlights.first.metadata[:width]
+ assert_equal 2736, user.highlights.first.metadata[:height]
+ end
+ end
+
+ test "detaching" do
+ [ create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg") ].tap do |blobs|
+ @user.highlights.attach blobs
+ assert @user.highlights.attached?
+
+ perform_enqueued_jobs do
+ @user.highlights.detach
+ end
+
+ assert_not @user.highlights.attached?
+ assert ActiveStorage::Blob.exists?(blobs.first.id)
+ assert ActiveStorage::Blob.exists?(blobs.second.id)
+ assert ActiveStorage::Blob.service.exist?(blobs.first.key)
+ assert ActiveStorage::Blob.service.exist?(blobs.second.key)
+ end
+ end
+
+ test "purging" do
+ [ create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg") ].tap do |blobs|
+ @user.highlights.attach blobs
+ assert @user.highlights.attached?
+
+ @user.highlights.purge
+ assert_not @user.highlights.attached?
+ assert_not ActiveStorage::Blob.exists?(blobs.first.id)
+ assert_not ActiveStorage::Blob.exists?(blobs.second.id)
+ assert_not ActiveStorage::Blob.service.exist?(blobs.first.key)
+ assert_not ActiveStorage::Blob.service.exist?(blobs.second.key)
+ end
+ end
+
+ test "purging later" do
+ [ create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg") ].tap do |blobs|
+ @user.highlights.attach blobs
+ assert @user.highlights.attached?
+
+ perform_enqueued_jobs do
+ @user.highlights.purge_later
+ end
+
+ assert_not @user.highlights.attached?
+ assert_not ActiveStorage::Blob.exists?(blobs.first.id)
+ assert_not ActiveStorage::Blob.exists?(blobs.second.id)
+ assert_not ActiveStorage::Blob.service.exist?(blobs.first.key)
+ assert_not ActiveStorage::Blob.service.exist?(blobs.second.key)
+ end
+ end
+
+ test "purging dependent attachment later on destroy" do
+ [ create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg") ].tap do |blobs|
+ @user.highlights.attach blobs
+
+ perform_enqueued_jobs do
+ @user.destroy!
+ end
+
+ assert_not ActiveStorage::Blob.exists?(blobs.first.id)
+ assert_not ActiveStorage::Blob.exists?(blobs.second.id)
+ assert_not ActiveStorage::Blob.service.exist?(blobs.first.key)
+ assert_not ActiveStorage::Blob.service.exist?(blobs.second.key)
+ end
+ end
+
+ test "not purging independent attachment on destroy" do
+ [ create_blob(filename: "funky.mp4"), create_blob(filename: "town.mp4") ].tap do |blobs|
+ @user.vlogs.attach blobs
+
+ assert_no_enqueued_jobs do
+ @user.destroy!
+ end
+ end
+ end
+
+ test "clearing change on reload" do
+ @user.highlights = [ create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg") ]
+ assert @user.highlights.attached?
+
+ @user.reload
+ assert_not @user.highlights.attached?
+ end
+
+ test "overriding attached reader" do
+ @user.highlights.attach create_blob(filename: "funky.jpg"), create_blob(filename: "town.jpg")
+
+ assert_equal "funky.jpg", @user.highlights.first.filename.to_s
+ assert_equal "town.jpg", @user.highlights.second.filename.to_s
+
+ begin
+ User.class_eval do
+ def highlights
+ super.reverse
+ end
+ end
+
+ assert_equal "town.jpg", @user.highlights.first.filename.to_s
+ assert_equal "funky.jpg", @user.highlights.second.filename.to_s
+ ensure
+ User.send(:remove_method, :highlights)
+ end
+ end
+end