Adds a setting to limit the number of diff lines that should be displayed (default to 1500).

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@2112 e93f8b46-1217-0410-a6f0-8f06a7374b81

test/unit/lib/redmine/unified_diff_test.rb

@@ -0,0 +1,42 @@
+# Redmine - project management software
+# Copyright (C) 2006-2008  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+# 
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+# 
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+require File.dirname(__FILE__) + '/../../../test_helper'
+
+class Redmine::UnifiedDiffTest < Test::Unit::TestCase
+  
+  def setup
+  end
+
+  def test_subversion_diff
+    diff = Redmine::UnifiedDiff.new(read_diff_fixture('subversion.diff'))
+    # number of files
+    assert_equal 4, diff.size
+    assert diff.detect {|file| file.file_name =~ %r{^config/settings.yml}}
+  end
+  
+  def test_truncate_diff
+    diff = Redmine::UnifiedDiff.new(read_diff_fixture('subversion.diff'), :max_lines => 20)
+    assert_equal 2, diff.size
+  end
+
+  private
+  
+  def read_diff_fixture(filename)
+    File.new(File.join(File.dirname(__FILE__), '/../../../fixtures/diffs', filename)).read
+  end
+end