Redmine/test/unit/lib/redmine/unified_diff_test.rb

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# Redmine - project management software
# Copyright (C) 2006-2011 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.expand_path('../../../../test_helper', __FILE__)
class Redmine::UnifiedDiffTest < ActiveSupport::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
def test_inline_partials
diff = Redmine::UnifiedDiff.new(read_diff_fixture('partials.diff'))
assert_equal 1, diff.size
diff = diff.first
assert_equal 43, diff.size
assert_equal [51, -1], diff[0].offsets
assert_equal [51, -1], diff[1].offsets
assert_equal 'Lorem ipsum dolor sit amet, consectetur adipiscing <span>elit</span>', diff[0].html_line
assert_equal 'Lorem ipsum dolor sit amet, consectetur adipiscing <span>xx</span>', diff[1].html_line
assert_nil diff[2].offsets
assert_equal 'Praesent et sagittis dui. Vivamus ac diam diam', diff[2].html_line
assert_equal [0, -14], diff[3].offsets
assert_equal [0, -14], diff[4].offsets
assert_equal '<span>Ut sed</span> auctor justo', diff[3].html_line
assert_equal '<span>xxx</span> auctor justo', diff[4].html_line
assert_equal [13, -19], diff[6].offsets
assert_equal [13, -19], diff[7].offsets
assert_equal [24, -8], diff[9].offsets
assert_equal [24, -8], diff[10].offsets
assert_equal [37, -1], diff[12].offsets
assert_equal [37, -1], diff[13].offsets
assert_equal [0, -38], diff[15].offsets
assert_equal [0, -38], diff[16].offsets
end
def test_side_by_side_partials
diff = Redmine::UnifiedDiff.new(read_diff_fixture('partials.diff'), :type => 'sbs')
assert_equal 1, diff.size
diff = diff.first
assert_equal 32, diff.size
assert_equal [51, -1], diff[0].offsets
assert_equal 'Lorem ipsum dolor sit amet, consectetur adipiscing <span>elit</span>', diff[0].html_line_left
assert_equal 'Lorem ipsum dolor sit amet, consectetur adipiscing <span>xx</span>', diff[0].html_line_right
assert_nil diff[1].offsets
assert_equal 'Praesent et sagittis dui. Vivamus ac diam diam', diff[1].html_line_left
assert_equal 'Praesent et sagittis dui. Vivamus ac diam diam', diff[1].html_line_right
assert_equal [0, -14], diff[2].offsets
assert_equal '<span>Ut sed</span> auctor justo', diff[2].html_line_left
assert_equal '<span>xxx</span> auctor justo', diff[2].html_line_right
assert_equal [13, -19], diff[4].offsets
assert_equal [24, -8], diff[6].offsets
assert_equal [37, -1], diff[8].offsets
assert_equal [0, -38], diff[10].offsets
end
def test_partials_with_html_entities
raw = <<-DIFF
--- test.orig.txt Wed Feb 15 16:10:39 2012
+++ test.new.txt Wed Feb 15 16:11:25 2012
@@ -1,5 +1,5 @@
Semicolons were mysteriously appearing in code diffs in the repository
-void DoSomething(std::auto_ptr<MyClass> myObj)
+void DoSomething(const MyClass& myObj)
DIFF
diff = Redmine::UnifiedDiff.new(raw, :type => 'sbs')
assert_equal 1, diff.size
assert_equal 'void DoSomething(<span>std::auto_ptr&lt;MyClass&gt;</span> myObj)', diff.first[2].html_line_left
assert_equal 'void DoSomething(<span>const MyClass&amp;</span> myObj)', diff.first[2].html_line_right
diff = Redmine::UnifiedDiff.new(raw, :type => 'inline')
assert_equal 1, diff.size
assert_equal 'void DoSomething(<span>std::auto_ptr&lt;MyClass&gt;</span> myObj)', diff.first[2].html_line
assert_equal 'void DoSomething(<span>const MyClass&amp;</span> myObj)', diff.first[3].html_line
end
def test_line_starting_with_dashes
diff = Redmine::UnifiedDiff.new(<<-DIFF
--- old.txt Wed Nov 11 14:24:58 2009
+++ new.txt Wed Nov 11 14:25:02 2009
@@ -1,8 +1,4 @@
-Lines that starts with dashes:
-
-------------------------
--- file.c
-------------------------
+A line that starts with dashes:
and removed.
@@ -23,4 +19,4 @@
-Another chunk of change
+Another chunk of changes
DIFF
)
assert_equal 1, diff.size
end
def test_one_line_new_files
diff = Redmine::UnifiedDiff.new(<<-DIFF
diff -r 000000000000 -r ea98b14f75f0 README1
--- /dev/null
+++ b/README1
@@ -0,0 +1,1 @@
+test1
diff -r 000000000000 -r ea98b14f75f0 README2
--- /dev/null
+++ b/README2
@@ -0,0 +1,1 @@
+test2
diff -r 000000000000 -r ea98b14f75f0 README3
--- /dev/null
+++ b/README3
@@ -0,0 +1,3 @@
+test4
+test5
+test6
diff -r 000000000000 -r ea98b14f75f0 README4
--- /dev/null
+++ b/README4
@@ -0,0 +1,3 @@
+test4
+test5
+test6
DIFF
)
assert_equal 4, diff.size
end
private
def read_diff_fixture(filename)
File.new(File.join(File.dirname(__FILE__), '/../../../fixtures/diffs', filename)).read
end
end