Wiki: allows single section edit (#2222).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@7829 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/lib/redmine/wiki_formatting/textile_formatter_test.rb

@@ -16,6 +16,7 @@
 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 require File.expand_path('../../../../../test_helper', __FILE__)
+require 'digest/md5'
 
 class Redmine::WikiFormatting::TextileFormatterTest < ActionView::TestCase
 
@@ -203,6 +204,101 @@ EXPECTED
     expected = '<p><img src="/images/comment.png&quot;onclick=&amp;#x61;&amp;#x6c;&amp;#x65;&amp;#x72;&amp;#x74;&amp;#x28;&amp;#x27;&amp;#x58;&amp;#x53;&amp;#x53;&amp;#x27;&amp;#x29;;&amp;#x22;" alt="" /></p>'
     assert_equal expected.gsub(%r{\s+}, ''), to_html(raw).gsub(%r{\s+}, '')
   end
+  
+  
+  STR_WITHOUT_PRE = [
+  # 0
+"h1. Title
+
+Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Maecenas sed libero.",
+  # 1
+"h2. Heading 2
+
+Maecenas sed elit sit amet mi accumsan vestibulum non nec velit. Proin porta tincidunt lorem, consequat rhoncus dolor fermentum in.
+
+Cras ipsum felis, ultrices at porttitor vel, faucibus eu nunc.",
+  # 2
+"h2. Heading 2
+
+Morbi facilisis accumsan orci non pharetra.
+
+h3. Heading 3
+
+Nulla nunc nisi, egestas in ornare vel, posuere ac libero.",
+  # 3
+"h3. Heading 3
+
+Praesent eget turpis nibh, a lacinia nulla.",
+  # 4
+"h2. Heading 2
+
+Ut rhoncus elementum adipiscing."]
+
+  TEXT_WITHOUT_PRE = STR_WITHOUT_PRE.join("\n\n").freeze
+  
+  def test_get_section_should_return_the_requested_section_and_its_hash
+    assert_section_with_hash STR_WITHOUT_PRE[1], TEXT_WITHOUT_PRE, 2
+    assert_section_with_hash STR_WITHOUT_PRE[2..3].join("\n\n"), TEXT_WITHOUT_PRE, 3
+    assert_section_with_hash STR_WITHOUT_PRE[3], TEXT_WITHOUT_PRE, 5
+    assert_section_with_hash STR_WITHOUT_PRE[4], TEXT_WITHOUT_PRE, 6
+    
+    assert_section_with_hash '', TEXT_WITHOUT_PRE, 0
+    assert_section_with_hash '', TEXT_WITHOUT_PRE, 10
+  end
+  
+  def test_update_section_should_update_the_requested_section
+    replacement = "New text"
+    
+    assert_equal [STR_WITHOUT_PRE[0], replacement, STR_WITHOUT_PRE[2..4]].flatten.join("\n\n"), @formatter.new(TEXT_WITHOUT_PRE).update_section(2, replacement)
+    assert_equal [STR_WITHOUT_PRE[0..1], replacement, STR_WITHOUT_PRE[4]].flatten.join("\n\n"), @formatter.new(TEXT_WITHOUT_PRE).update_section(3, replacement)
+    assert_equal [STR_WITHOUT_PRE[0..2], replacement, STR_WITHOUT_PRE[4]].flatten.join("\n\n"), @formatter.new(TEXT_WITHOUT_PRE).update_section(5, replacement)
+    assert_equal [STR_WITHOUT_PRE[0..3], replacement].flatten.join("\n\n"), @formatter.new(TEXT_WITHOUT_PRE).update_section(6, replacement)
+    
+    assert_equal TEXT_WITHOUT_PRE, @formatter.new(TEXT_WITHOUT_PRE).update_section(0, replacement)
+    assert_equal TEXT_WITHOUT_PRE, @formatter.new(TEXT_WITHOUT_PRE).update_section(10, replacement)
+  end
+  
+  def test_update_section_with_hash_should_update_the_requested_section
+    replacement = "New text"
+    
+    assert_equal [STR_WITHOUT_PRE[0], replacement, STR_WITHOUT_PRE[2..4]].flatten.join("\n\n"),
+      @formatter.new(TEXT_WITHOUT_PRE).update_section(2, replacement, Digest::MD5.hexdigest(STR_WITHOUT_PRE[1]))
+  end
+  
+  def test_update_section_with_wrong_hash_should_raise_an_error
+    assert_raise Redmine::WikiFormatting::StaleSectionError do
+      @formatter.new(TEXT_WITHOUT_PRE).update_section(2, "New text", Digest::MD5.hexdigest("Old text"))
+    end
+  end
+
+  STR_WITH_PRE = [
+  # 0
+"h1. Title
+
+Lorem ipsum dolor sit amet, consectetuer adipiscing elit. Maecenas sed libero.",
+  # 1
+"h2. Heading 2
+
+Morbi facilisis accumsan orci non pharetra.
+
+<pre>
+Pre Content:
+
+h2. Inside pre
+
+Morbi facilisis accumsan orci non pharetra.
+</pre>",
+  # 2
+"h3. Heading 3
+
+Nulla nunc nisi, egestas in ornare vel, posuere ac libero."]
+
+  def test_get_section_should_ignore_pre_content
+    text = STR_WITH_PRE.join("\n\n")
+
+    assert_section_with_hash STR_WITH_PRE[1..2].join("\n\n"), text, 2
+    assert_section_with_hash STR_WITH_PRE[2], text, 3
+  end
 
   private
 
@@ -215,4 +311,13 @@ EXPECTED
   def to_html(text)
     @formatter.new(text).to_html
   end
+  
+  def assert_section_with_hash(expected, text, index)
+    result = @formatter.new(text).get_section(index)
+    
+    assert_kind_of Array, result
+    assert_equal 2, result.size
+    assert_equal expected, result.first, "section content did not match"
+    assert_equal Digest::MD5.hexdigest(expected), result.last, "section hash did not match"
+  end
 end