From b51d40fe38f4f508edd03323b1d3dc30bc9931e3 Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Thu, 17 Mar 2022 03:55:24 +0000
Subject: Comments for Textile text formatting (#20511).

Patch by Go MAEDA.


git-svn-id: http://svn.redmine.org/redmine/trunk@21457 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 test/helpers/application_helper_test.rb            |  1 -
 .../wiki_formatting/textile_formatter_test.rb      | 32 ++++++++++++++++++++++
 2 files changed, 32 insertions(+), 1 deletion(-)

(limited to 'test')

diff --git a/test/helpers/application_helper_test.rb b/test/helpers/application_helper_test.rb
index 20b854cc7..f34daf55a 100644
--- a/test/helpers/application_helper_test.rb
+++ b/test/helpers/application_helper_test.rb
@@ -1300,7 +1300,6 @@ class ApplicationHelperTest < Redmine::HelperTest
       "<pre>\nline 1\nline2</pre>" => "<pre>\nline 1\nline2</pre>",
       "<pre><code>\nline 1\nline2</code></pre>" => "<pre><code>\nline 1\nline2</code></pre>",
       "<pre><div>content</div></pre>" => "<pre>&lt;div&gt;content&lt;/div&gt;</pre>",
-      "HTML comment: <!-- no comments -->" => "<p>HTML comment: &lt;!-- no comments --&gt;</p>",
       "<!-- opening comment" => "<p>&lt;!-- opening comment</p>",
       # remove attributes including class
       "<pre class='foo'>some text</pre>" => "<pre>some text</pre>",
diff --git a/test/unit/lib/redmine/wiki_formatting/textile_formatter_test.rb b/test/unit/lib/redmine/wiki_formatting/textile_formatter_test.rb
index 8d9f4ce04..30013b837 100644
--- a/test/unit/lib/redmine/wiki_formatting/textile_formatter_test.rb
+++ b/test/unit/lib/redmine/wiki_formatting/textile_formatter_test.rb
@@ -719,6 +719,38 @@ class Redmine::WikiFormatting::TextileFormatterTest < ActionView::TestCase
     assert_equal expected.gsub(%r{[\r\n\t]}, ''), to_html(text).gsub(%r{[\r\n\t]}, '')
   end
 
+  def test_should_remove_html_comments
+    text = <<~STR
+      <!-- begin -->
+      Hello <!-- comment between words -->world.
+
+      <!--
+        multi-line
+      comment -->Foo
+
+      <pre>
+      This is a code block.
+      <p>
+      <!-- comments in a code block should be preserved -->
+      </p>
+      </pre>
+    STR
+    expected = <<~EXPECTED
+      <p>Hello world.</p>
+
+      <p>Foo</p>
+
+      <pre>
+      This is a code block.
+      &lt;p&gt;
+      &lt;!-- comments in a code block should be preserved --&gt;
+      &lt;/p&gt;
+      </pre>
+
+    EXPECTED
+    assert_equal expected.gsub(%r{[\r\n\t]}, ''), to_html(text).gsub(%r{[\r\n\t]}, '')
+  end
+
   private
 
   def assert_html_output(to_test, expect_paragraph = true)
-- 
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