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- Auto-generating content from the filename of an image is not suitable alternative text; alt text that isn't fully considered can be distracting and fatiguing for screen readers users (blind, low vision, dyslexic people). - Setting a filename fallback short circuits screen reader default behavior and configuration for blank descriptions. - Setting poor defaults also creates false negatives for accessibility linting and testing software, that makes it harder to improve application accessibility. *** - After this change, if authors leave images without alt text, screen readers will fallback to default behavior for missing alt text. - Also with this change, Automated linting and testing tools will correctly generate warnings. [Fixes #30096]
39 lines
1 KiB
Ruby
39 lines
1 KiB
Ruby
# frozen_string_literal: true
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require "abstract_unit"
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require "action_controller"
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class AssetHostMailer < ActionMailer::Base
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def email_with_asset
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mail to: "test@localhost",
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subject: "testing email containing asset path while asset_host is set",
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from: "tester@example.com"
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end
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end
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class AssetHostTest < ActionMailer::TestCase
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def setup
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AssetHostMailer.configure do |c|
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c.asset_host = "http://www.example.com"
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end
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end
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def teardown
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restore_delivery_method
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end
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def test_asset_host_as_string
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mail = AssetHostMailer.email_with_asset
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assert_dom_equal '<img src="http://www.example.com/images/somelogo.png" />', mail.body.to_s.strip
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end
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def test_asset_host_as_one_argument_proc
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AssetHostMailer.config.asset_host = Proc.new { |source|
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if source.starts_with?("/images")
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"http://images.example.com"
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end
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}
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mail = AssetHostMailer.email_with_asset
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assert_dom_equal '<img src="http://images.example.com/images/somelogo.png" />', mail.body.to_s.strip
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end
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end
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