SoundSoftware Code Site

# Redmine - project management software

# Copyright (C) 2006-2012  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 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

    assert_equal "README1", diff[0].file_name

  end

  def test_both_git_diff

    diff = Redmine::UnifiedDiff.new(<<-DIFF

# HG changeset patch

# User test

# Date 1348014182 -32400

# Node ID d1c871b8ef113df7f1c56d41e6e3bfbaff976e1f

# Parent  180b6605936cdc7909c5f08b59746ec1a7c99b3e

modify test1.txt

diff -r 180b6605936c -r d1c871b8ef11 test1.txt

--- a/test1.txt

+++ b/test1.txt

@@ -1,1 +1,1 @@

-test1

+modify test1

DIFF

    )

    assert_equal 1, diff.size

    assert_equal "test1.txt", diff[0].file_name

  end

  def test_include_a_b_slash

    diff = Redmine::UnifiedDiff.new(<<-DIFF

--- test1.txt

+++ b/test02.txt

@@ -1 +0,0 @@

-modify test1

DIFF

    )

    assert_equal 1, diff.size

    assert_equal "b/test02.txt", diff[0].file_name

    diff = Redmine::UnifiedDiff.new(<<-DIFF

--- a/test1.txt

+++ a/test02.txt

@@ -1 +0,0 @@

-modify test1

DIFF

    )

    assert_equal 1, diff.size

    assert_equal "a/test02.txt", diff[0].file_name

    diff = Redmine::UnifiedDiff.new(<<-DIFF

--- a/test1.txt

+++ test02.txt

@@ -1 +0,0 @@

-modify test1

DIFF

    )

    assert_equal 1, diff.size

    assert_equal "test02.txt", diff[0].file_name

  end

  private

  def read_diff_fixture(filename)

    File.new(File.join(File.dirname(__FILE__), '/../../../fixtures/diffs', filename)).read

  end

end