227 lines
8.6 KiB
Ruby
227 lines
8.6 KiB
Ruby
# frozen_string_literal: true
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require "test_helper"
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class ActionText::ContentTest < ActiveSupport::TestCase
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test "equality" do
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html = "<div>test</div>"
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content = content_from_html(html)
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assert_equal content, content_from_html(html)
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assert_not_equal content, html
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end
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test "marshal serialization" do
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content = content_from_html("Hello!")
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assert_equal content, Marshal.load(Marshal.dump(content))
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end
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test "roundtrips HTML without additional newlines" do
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html = "<div>a<br></div>"
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content = content_from_html(html)
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assert_equal html, content.to_html
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end
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test "extracts links" do
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html = '<a href="http://example.com/1">1</a><br><a href="http://example.com/1">1</a>'
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content = content_from_html(html)
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assert_equal ["http://example.com/1"], content.links
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end
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test "extracts attachables" do
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attachable = create_file_blob(filename: "racecar.jpg", content_type: "image/jpeg")
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html = %Q(<action-text-attachment sgid="#{attachable.attachable_sgid}" caption="Captioned"></action-text-attachment>)
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content = content_from_html(html)
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assert_equal 1, content.attachments.size
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attachment = content.attachments.first
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assert_equal "Captioned", attachment.caption
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assert_equal attachable, attachment.attachable
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end
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test "extracts remote image attachables" do
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html = '<action-text-attachment content-type="image" url="http://example.com/cat.jpg" width="100" height="100" caption="Captioned"></action-text-attachment>'
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content = content_from_html(html)
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assert_equal 1, content.attachments.size
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attachment = content.attachments.first
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assert_equal "Captioned", attachment.caption
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attachable = attachment.attachable
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assert_kind_of ActionText::Attachables::RemoteImage, attachable
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assert_equal "http://example.com/cat.jpg", attachable.url
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assert_equal "100", attachable.width
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assert_equal "100", attachable.height
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end
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test "identifies destroyed attachables as missing" do
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file = create_file_blob(filename: "racecar.jpg", content_type: "image/jpeg")
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html = %Q(<action-text-attachment sgid="#{file.attachable_sgid}"></action-text-attachment>)
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file.destroy!
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content = content_from_html(html)
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assert_equal 1, content.attachments.size
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attachable = content.attachments.first.attachable
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assert_kind_of ActionText::Attachables::MissingAttachable, attachable
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assert_equal file.class, attachable.model
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assert_equal ActionText::Attachables::MissingAttachable::DEFAULT_PARTIAL_PATH, attachable.to_partial_path
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end
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test "extracts missing attachables" do
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html = '<action-text-attachment sgid="missing"></action-text-attachment>'
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content = content_from_html(html)
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assert_equal 1, content.attachments.size
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attachable = content.attachments.first.attachable
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assert_kind_of ActionText::Attachables::MissingAttachable, attachable
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assert_nil attachable.model
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end
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test "converts Trix-formatted attachments" do
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html = %Q(<figure data-trix-attachment='{"sgid":"123","contentType":"text/plain","width":100,"height":100}' data-trix-attributes='{"caption":"Captioned"}'></figure>)
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content = content_from_html(html)
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assert_equal 1, content.attachments.size
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assert_equal '<action-text-attachment sgid="123" content-type="text/plain" width="100" height="100" caption="Captioned"></action-text-attachment>', content.to_html
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end
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test "converts Trix-formatted attachments with custom tag name" do
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with_attachment_tag_name("arbitrary-tag") do
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html = %Q(<figure data-trix-attachment='{"sgid":"123","contentType":"text/plain","width":100,"height":100}' data-trix-attributes='{"caption":"Captioned"}'></figure>)
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content = content_from_html(html)
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assert_equal 1, content.attachments.size
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assert_equal '<arbitrary-tag sgid="123" content-type="text/plain" width="100" height="100" caption="Captioned"></arbitrary-tag>', content.to_html
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end
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end
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test "ignores Trix-formatted attachments with malformed JSON" do
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html = %Q(<div data-trix-attachment='{"sgid":"garbage...'></div>)
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content = content_from_html(html)
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assert_equal 0, content.attachments.size
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end
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test "minifies attachment markup" do
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html = '<action-text-attachment sgid="123"><div>HTML</div></action-text-attachment>'
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assert_equal '<action-text-attachment sgid="123"></action-text-attachment>', content_from_html(html).to_html
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end
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test "canonicalizes attachment gallery markup" do
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attachment_html = '<action-text-attachment sgid="1" presentation="gallery"></action-text-attachment><action-text-attachment sgid="2" presentation="gallery"></action-text-attachment>'
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html = %Q(<div class="attachment-gallery attachment-gallery--2">#{attachment_html}</div>)
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assert_equal "<div>#{attachment_html}</div>", content_from_html(html).to_html
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end
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test "canonicalizes attachment gallery markup with whitespace" do
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attachment_html = %Q(\n <action-text-attachment sgid="1" presentation="gallery"></action-text-attachment>\n <action-text-attachment sgid="2" presentation="gallery"></action-text-attachment>\n)
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html = %Q(<div class="attachment-gallery attachment-gallery--2">#{attachment_html}</div>)
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assert_equal "<div>#{attachment_html}</div>", content_from_html(html).to_html
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end
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test "canonicalizes nested attachment gallery markup" do
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attachment_html = '<action-text-attachment sgid="1" presentation="gallery"></action-text-attachment><action-text-attachment sgid="2" presentation="gallery"></action-text-attachment>'
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html = %Q(<blockquote><div class="attachment-gallery attachment-gallery--2">#{attachment_html}</div></blockquote>)
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assert_equal "<blockquote><div>#{attachment_html}</div></blockquote>", content_from_html(html).to_html
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end
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test "renders with layout when ApplicationController is not defined" do
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html = "<h1>Hello world</h1>"
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rendered = content_from_html(html).to_rendered_html_with_layout
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assert_includes rendered, html
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assert_match %r/\A#{Regexp.escape '<div class="trix-content">'}/, rendered
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assert_not defined?(::ApplicationController)
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end
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test "does basic sanitization" do
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html = "<div onclick='action()'>safe<script>unsafe</script></div>"
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rendered = content_from_html(html).to_rendered_html_with_layout
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assert_not_includes rendered, "<script>"
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assert_not_includes rendered, "action"
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end
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test "does custom tag sanitization" do
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old_tags = ActionText::ContentHelper.allowed_tags
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old_attrs = ActionText::ContentHelper.allowed_attributes
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ActionText::ContentHelper.allowed_tags = ["div"] # not 'span'
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ActionText::ContentHelper.allowed_attributes = ["size"] # not 'class'
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html = "<div size='large' class='high'>safe<span>unsafe</span></div>"
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rendered = content_from_html(html).to_rendered_html_with_layout
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assert_includes rendered, "<div"
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assert_not_includes rendered, "<span"
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assert_includes rendered, "large"
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assert_not_includes rendered, "high"
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ensure
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ActionText::ContentHelper.allowed_tags = old_tags
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ActionText::ContentHelper.allowed_attributes = old_attrs
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end
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test "renders with layout when in a new thread" do
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html = "<h1>Hello world</h1>"
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rendered = nil
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Thread.new { rendered = content_from_html(html).to_rendered_html_with_layout }.join
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assert_includes rendered, html
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assert_match %r/\A#{Regexp.escape '<div class="trix-content">'}/, rendered
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end
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test "replace certain nodes" do
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html = <<~HTML
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<div>
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<p>replace me</p>
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<p>ignore me</p>
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</div>
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HTML
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expected_html = <<~HTML
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<div>
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<p>replaced</p>
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<p>ignore me</p>
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</div>
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HTML
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content = content_from_html(html)
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replaced_fragment = content.fragment.replace("p") do |node|
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if node.text =~ /replace me/
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"<p>replaced</p>"
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else
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node
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end
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end
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assert_equal expected_html.strip, replaced_fragment.to_html
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end
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test "delegates pattern matching to Nokogiri" do
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content = ActionText::Content.new <<~HTML
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<h1 id="hello-world">Hello, world</h1>
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<div>The body</div>
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HTML
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content => [h1, div]
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assert_pattern { h1 => { name: "h1", content: "Hello, world", attributes: [{ name: "id", value: "hello-world" }] } }
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refute_pattern { h1 => { name: "h1", content: "Goodbye, world" } }
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assert_pattern { div => { content: "The body" } }
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end
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private
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def content_from_html(html)
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ActionText::Content.new(html).tap do |content|
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assert_nothing_raised { content.to_s }
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end
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end
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def with_attachment_tag_name(tag_name)
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previous_tag_name = ActionText::Attachment.tag_name
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ActionText::Attachment.tag_name = tag_name
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yield
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ensure
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ActionText::Attachment.tag_name = previous_tag_name
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end
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end
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