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-rw-r--r--actionmailer/test/asset_host_test.rb4
-rw-r--r--actionmailer/test/base_test.rb4
-rw-r--r--actionmailer/test/url_test.rb2
-rw-r--r--actionview/CHANGELOG.md6
-rw-r--r--actionview/lib/action_view/helpers/asset_tag_helper.rb22
-rw-r--r--actionview/test/template/asset_tag_helper_test.rb32
-rw-r--r--activestorage/test/template/image_tag_test.rb6
-rw-r--r--guides/source/action_view_overview.md4
-rw-r--r--guides/source/api_documentation_guidelines.md2
9 files changed, 42 insertions, 40 deletions
diff --git a/actionmailer/test/asset_host_test.rb b/actionmailer/test/asset_host_test.rb
index 2a14248488..9cd8cae88c 100644
--- a/actionmailer/test/asset_host_test.rb
+++ b/actionmailer/test/asset_host_test.rb
@@ -24,7 +24,7 @@ class AssetHostTest < ActionMailer::TestCase
def test_asset_host_as_string
mail = AssetHostMailer.email_with_asset
- assert_dom_equal '<img alt="Somelogo" src="http://www.example.com/images/somelogo.png" />', mail.body.to_s.strip
+ assert_dom_equal '<img src="http://www.example.com/images/somelogo.png" />', mail.body.to_s.strip
end
def test_asset_host_as_one_argument_proc
@@ -34,6 +34,6 @@ class AssetHostTest < ActionMailer::TestCase
end
}
mail = AssetHostMailer.email_with_asset
- assert_dom_equal '<img alt="Somelogo" src="http://images.example.com/images/somelogo.png" />', mail.body.to_s.strip
+ assert_dom_equal '<img src="http://images.example.com/images/somelogo.png" />', mail.body.to_s.strip
end
end
diff --git a/actionmailer/test/base_test.rb b/actionmailer/test/base_test.rb
index d029329497..0da969c349 100644
--- a/actionmailer/test/base_test.rb
+++ b/actionmailer/test/base_test.rb
@@ -578,7 +578,7 @@ class BaseTest < ActiveSupport::TestCase
mail = AssetMailer.welcome
- assert_dom_equal(%{<img alt="Dummy" src="http://global.com/images/dummy.png" />}, mail.body.to_s.strip)
+ assert_dom_equal(%{<img src="http://global.com/images/dummy.png" />}, mail.body.to_s.strip)
end
test "assets tags should use a Mailer's asset_host settings when available" do
@@ -592,7 +592,7 @@ class BaseTest < ActiveSupport::TestCase
mail = TempAssetMailer.welcome
- assert_dom_equal(%{<img alt="Dummy" src="http://local.com/images/dummy.png" />}, mail.body.to_s.strip)
+ assert_dom_equal(%{<img src="http://local.com/images/dummy.png" />}, mail.body.to_s.strip)
end
test "the view is not rendered when mail was never called" do
diff --git a/actionmailer/test/url_test.rb b/actionmailer/test/url_test.rb
index 0bd3371878..82035689ad 100644
--- a/actionmailer/test/url_test.rb
+++ b/actionmailer/test/url_test.rb
@@ -121,7 +121,7 @@ class ActionMailerUrlTest < ActionMailer::TestCase
expected = new_mail
expected.to = @recipient
expected.subject = "[Signed up] Welcome #{@recipient}"
- expected.body = "Hello there,\n\nMr. #{@recipient}. Please see our greeting at http://example.com/welcome/greeting http://www.basecamphq.com/welcome\n\n<img alt=\"Somelogo\" src=\"/images/somelogo.png\" />"
+ expected.body = "Hello there,\n\nMr. #{@recipient}. Please see our greeting at http://example.com/welcome/greeting http://www.basecamphq.com/welcome\n\n<img src=\"/images/somelogo.png\" />"
expected.from = "system@loudthinking.com"
expected.date = Time.local(2004, 12, 12)
expected.content_type = "text/html"
diff --git a/actionview/CHANGELOG.md b/actionview/CHANGELOG.md
index 5bc93fcb5b..b22686d1d8 100644
--- a/actionview/CHANGELOG.md
+++ b/actionview/CHANGELOG.md
@@ -1,3 +1,9 @@
+* Remove default `alt` text generation.
+
+ Fixes #30096
+
+ *Cameron Cundiff*
+
* Add `srcset` option to `image_tag` helper.
*Roberto Miranda*
diff --git a/actionview/lib/action_view/helpers/asset_tag_helper.rb b/actionview/lib/action_view/helpers/asset_tag_helper.rb
index 82b0fcbf2e..4557c76dfe 100644
--- a/actionview/lib/action_view/helpers/asset_tag_helper.rb
+++ b/actionview/lib/action_view/helpers/asset_tag_helper.rb
@@ -13,7 +13,7 @@ module ActionView
# the assets exist before linking to them:
#
# image_tag("rails.png")
- # # => <img alt="Rails" src="/assets/rails.png" />
+ # # => <img src="/assets/rails.png" />
# stylesheet_link_tag("application")
# # => <link href="/assets/application.css?body=1" media="screen" rel="stylesheet" />
module AssetTagHelper
@@ -207,8 +207,6 @@ module ActionView
# You can add HTML attributes using the +options+. The +options+ supports
# additional keys for convenience and conformance:
#
- # * <tt>:alt</tt> - If no alt text is given, the file name part of the
- # +source+ is used (capitalized and without the extension)
# * <tt>:size</tt> - Supplied as "{Width}x{Height}" or "{Number}", so "30x45" becomes
# width="30" and height="45", and "50" becomes width="50" and height="50".
# <tt>:size</tt> will be ignored if the value is not in the correct format.
@@ -220,17 +218,17 @@ module ActionView
# Assets (images that are part of your app):
#
# image_tag("icon")
- # # => <img alt="Icon" src="/assets/icon" />
+ # # => <img src="/assets/icon" />
# image_tag("icon.png")
- # # => <img alt="Icon" src="/assets/icon.png" />
+ # # => <img src="/assets/icon.png" />
# image_tag("icon.png", size: "16x10", alt: "Edit Entry")
# # => <img src="/assets/icon.png" width="16" height="10" alt="Edit Entry" />
# image_tag("/icons/icon.gif", size: "16")
- # # => <img src="/icons/icon.gif" width="16" height="16" alt="Icon" />
+ # # => <img src="/icons/icon.gif" width="16" height="16" />
# image_tag("/icons/icon.gif", height: '32', width: '32')
- # # => <img alt="Icon" height="32" src="/icons/icon.gif" width="32" />
+ # # => <img height="32" src="/icons/icon.gif" width="32" />
# image_tag("/icons/icon.gif", class: "menu_icon")
- # # => <img alt="Icon" class="menu_icon" src="/icons/icon.gif" />
+ # # => <img class="menu_icon" src="/icons/icon.gif" />
# image_tag("/icons/icon.gif", data: { title: 'Rails Application' })
# # => <img data-title="Rails Application" src="/icons/icon.gif" />
# image_tag("icon.png", srcset: { "icon_2x.png" => "2x", "icon_4x.png" => "4x" })
@@ -251,11 +249,7 @@ module ActionView
check_for_image_tag_errors(options)
skip_pipeline = options.delete(:skip_pipeline)
- src = options[:src] = resolve_image_source(source, skip_pipeline)
-
- unless src.start_with?("cid:") || src.start_with?("data:") || src.blank?
- options[:alt] = options.fetch(:alt) { image_alt(src) }
- end
+ options[:src] = resolve_image_source(source, skip_pipeline)
if options[:srcset] && !options[:srcset].is_a?(String)
options[:srcset] = options[:srcset].map do |src_path, size|
@@ -286,6 +280,8 @@ module ActionView
# image_alt('underscored_file_name.png')
# # => Underscored file name
def image_alt(src)
+ ActiveSupport::Deprecation.warn("image_alt is deprecated and will be removed from Rails 6.0. You must explicitly set alt text on images.")
+
File.basename(src, ".*".freeze).sub(/-[[:xdigit:]]{32,64}\z/, "".freeze).tr("-_".freeze, " ".freeze).capitalize
end
diff --git a/actionview/test/template/asset_tag_helper_test.rb b/actionview/test/template/asset_tag_helper_test.rb
index 5b8e50cc5e..d5d4925f54 100644
--- a/actionview/test/template/asset_tag_helper_test.rb
+++ b/actionview/test/template/asset_tag_helper_test.rb
@@ -183,26 +183,26 @@ class AssetTagHelperTest < ActionView::TestCase
}
ImageLinkToTag = {
- %(image_tag("xml.png")) => %(<img alt="Xml" src="/images/xml.png" />),
+ %(image_tag("xml.png")) => %(<img src="/images/xml.png" />),
%(image_tag("rss.gif", :alt => "rss syndication")) => %(<img alt="rss syndication" src="/images/rss.gif" />),
- %(image_tag("gold.png", :size => "20")) => %(<img alt="Gold" height="20" src="/images/gold.png" width="20" />),
- %(image_tag("gold.png", :size => 20)) => %(<img alt="Gold" height="20" src="/images/gold.png" width="20" />),
- %(image_tag("gold.png", :size => "45x70")) => %(<img alt="Gold" height="70" src="/images/gold.png" width="45" />),
- %(image_tag("gold.png", "size" => "45x70")) => %(<img alt="Gold" height="70" src="/images/gold.png" width="45" />),
- %(image_tag("error.png", "size" => "45 x 70")) => %(<img alt="Error" src="/images/error.png" />),
- %(image_tag("error.png", "size" => "x")) => %(<img alt="Error" src="/images/error.png" />),
- %(image_tag("google.com.png")) => %(<img alt="Google.com" src="/images/google.com.png" />),
- %(image_tag("slash..png")) => %(<img alt="Slash." src="/images/slash..png" />),
- %(image_tag(".pdf.png")) => %(<img alt=".pdf" src="/images/.pdf.png" />),
- %(image_tag("http://www.rubyonrails.com/images/rails.png")) => %(<img alt="Rails" src="http://www.rubyonrails.com/images/rails.png" />),
- %(image_tag("//www.rubyonrails.com/images/rails.png")) => %(<img alt="Rails" src="//www.rubyonrails.com/images/rails.png" />),
+ %(image_tag("gold.png", :size => "20")) => %(<img height="20" src="/images/gold.png" width="20" />),
+ %(image_tag("gold.png", :size => 20)) => %(<img height="20" src="/images/gold.png" width="20" />),
+ %(image_tag("gold.png", :size => "45x70")) => %(<img height="70" src="/images/gold.png" width="45" />),
+ %(image_tag("gold.png", "size" => "45x70")) => %(<img height="70" src="/images/gold.png" width="45" />),
+ %(image_tag("error.png", "size" => "45 x 70")) => %(<img src="/images/error.png" />),
+ %(image_tag("error.png", "size" => "x")) => %(<img src="/images/error.png" />),
+ %(image_tag("google.com.png")) => %(<img src="/images/google.com.png" />),
+ %(image_tag("slash..png")) => %(<img src="/images/slash..png" />),
+ %(image_tag(".pdf.png")) => %(<img src="/images/.pdf.png" />),
+ %(image_tag("http://www.rubyonrails.com/images/rails.png")) => %(<img src="http://www.rubyonrails.com/images/rails.png" />),
+ %(image_tag("//www.rubyonrails.com/images/rails.png")) => %(<img src="//www.rubyonrails.com/images/rails.png" />),
%(image_tag("mouse.png", :alt => nil)) => %(<img src="/images/mouse.png" />),
%(image_tag("data:image/gif;base64,R0lGODlhAQABAID/AMDAwAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==", :alt => nil)) => %(<img src="data:image/gif;base64,R0lGODlhAQABAID/AMDAwAAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==" />),
%(image_tag("")) => %(<img src="" />),
- %(image_tag("gold.png", data: { title: 'Rails Application' })) => %(<img data-title="Rails Application" src="/images/gold.png" alt="Gold" />),
- %(image_tag("rss.gif", srcset: "/assets/pic_640.jpg 640w, /assets/pic_1024.jpg 1024w")) => %(<img srcset="/assets/pic_640.jpg 640w, /assets/pic_1024.jpg 1024w" src="/images/rss.gif" alt="Rss" />),
- %(image_tag("rss.gif", srcset: { "pic_640.jpg" => "640w", "pic_1024.jpg" => "1024w" })) => %(<img srcset="/images/pic_640.jpg 640w, /images/pic_1024.jpg 1024w" src="/images/rss.gif" alt="Rss" />),
- %(image_tag("rss.gif", srcset: [["pic_640.jpg", "640w"], ["pic_1024.jpg", "1024w"]])) => %(<img srcset="/images/pic_640.jpg 640w, /images/pic_1024.jpg 1024w" src="/images/rss.gif" alt="Rss" />)
+ %(image_tag("gold.png", data: { title: 'Rails Application' })) => %(<img data-title="Rails Application" src="/images/gold.png" />),
+ %(image_tag("rss.gif", srcset: "/assets/pic_640.jpg 640w, /assets/pic_1024.jpg 1024w")) => %(<img srcset="/assets/pic_640.jpg 640w, /assets/pic_1024.jpg 1024w" src="/images/rss.gif" />),
+ %(image_tag("rss.gif", srcset: { "pic_640.jpg" => "640w", "pic_1024.jpg" => "1024w" })) => %(<img srcset="/images/pic_640.jpg 640w, /images/pic_1024.jpg 1024w" src="/images/rss.gif" />),
+ %(image_tag("rss.gif", srcset: [["pic_640.jpg", "640w"], ["pic_1024.jpg", "1024w"]])) => %(<img srcset="/images/pic_640.jpg 640w, /images/pic_1024.jpg 1024w" src="/images/rss.gif" />)
}
FaviconLinkToTag = {
diff --git a/activestorage/test/template/image_tag_test.rb b/activestorage/test/template/image_tag_test.rb
index 46dd97b3e9..dedc58452e 100644
--- a/activestorage/test/template/image_tag_test.rb
+++ b/activestorage/test/template/image_tag_test.rb
@@ -11,17 +11,17 @@ class ActiveStorage::ImageTagTest < ActionView::TestCase
end
test "blob" do
- assert_dom_equal %(<img alt="Racecar" src="#{polymorphic_url @blob}" />), image_tag(@blob)
+ assert_dom_equal %(<img src="#{polymorphic_url @blob}" />), image_tag(@blob)
end
test "variant" do
variant = @blob.variant(resize: "100x100")
- assert_dom_equal %(<img alt="Racecar" src="#{polymorphic_url variant}" />), image_tag(variant)
+ assert_dom_equal %(<img src="#{polymorphic_url variant}" />), image_tag(variant)
end
test "attachment" do
attachment = ActiveStorage::Attachment.new(blob: @blob)
- assert_dom_equal %(<img alt="Racecar" src="#{polymorphic_url attachment}" />), image_tag(attachment)
+ assert_dom_equal %(<img src="#{polymorphic_url attachment}" />), image_tag(attachment)
end
test "error when attachment's empty" do
diff --git a/guides/source/action_view_overview.md b/guides/source/action_view_overview.md
index e5f4e0ec30..ea72567c03 100644
--- a/guides/source/action_view_overview.md
+++ b/guides/source/action_view_overview.md
@@ -414,7 +414,7 @@ By default, Rails links to these assets on the current host in the public folder
```ruby
config.action_controller.asset_host = "assets.example.com"
-image_tag("rails.png") # => <img src="http://assets.example.com/images/rails.png" alt="Rails" />
+image_tag("rails.png") # => <img src="http://assets.example.com/images/rails.png" />
```
#### auto_discovery_link_tag
@@ -453,7 +453,7 @@ image_url("edit.png") # => http://www.example.com/assets/edit.png
Returns an HTML image tag for the source. The source can be a full path or a file that exists in your `app/assets/images` directory.
```ruby
-image_tag("icon.png") # => <img src="/assets/icon.png" alt="Icon" />
+image_tag("icon.png") # => <img src="/assets/icon.png" />
```
#### javascript_include_tag
diff --git a/guides/source/api_documentation_guidelines.md b/guides/source/api_documentation_guidelines.md
index f4ecc9ea41..2c153d3783 100644
--- a/guides/source/api_documentation_guidelines.md
+++ b/guides/source/api_documentation_guidelines.md
@@ -350,7 +350,7 @@ into account, one such example is
```ruby
# image_tag("icon.png")
-# # => <img alt="Icon" src="/assets/icon.png" />
+# # => <img src="/assets/icon.png" />
```
Although the default behavior for `#image_tag` is to always return