From b1781507617d9386c8545a28941fac163afd50fa Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Fri, 27 Apr 2018 09:14:36 +0000
Subject: Show renames in diff preview (#28295).

Patch by Gregor Schmidt.


git-svn-id: http://svn.redmine.org/redmine/trunk@17313 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 test/unit/lib/redmine/unified_diff_test.rb | 50 ++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)

(limited to 'test/unit/lib')

diff --git a/test/unit/lib/redmine/unified_diff_test.rb b/test/unit/lib/redmine/unified_diff_test.rb
index eb373abe6..0a09a0fb4 100644
--- a/test/unit/lib/redmine/unified_diff_test.rb
+++ b/test/unit/lib/redmine/unified_diff_test.rb
@@ -189,6 +189,56 @@ DIFF
     assert_equal "test1.txt", diff[0].file_name
   end
 
+  def test_previous_file_name_with_git
+    diff = Redmine::UnifiedDiff.new(<<-DIFF)
+From 585da9683fb5ed7bf7cb438492e3347cdf3d83df Mon Sep 17 00:00:00 2001
+From: Gregor Schmidt <schmidt@nach-vorne.eu>
+Date: Mon, 5 Mar 2018 14:12:13 +0100
+Subject: [PATCH] changes including a rename, rename+modify and addition
+
+---
+ one.markdown => one.md | 0
+ three.md               | 2 ++
+ two.markdown => two.md | 1 +
+ 3 files changed, 3 insertions(+)
+ rename one.markdown => one.md (100%)
+ create mode 100644 three.md
+ rename two.markdown => two.md (50%)
+
+diff --git a/one.markdown b/one.md
+similarity index 100%
+rename from one.markdown
+rename to one.md
+diff --git a/three.md b/three.md
+new file mode 100644
+index 0000000..288012f
+--- /dev/null
++++ b/three.md
+@@ -0,0 +1,2 @@
++three
++=====
+diff --git a/two.markdown b/two.md
+similarity index 50%
+rename from two.markdown
+rename to two.md
+index f719efd..6a268ed 100644
+--- a/two.markdown
++++ b/two.md
+@@ -1 +1,2 @@
+ two
++===
+--
+2.14.1
+DIFF
+
+    assert_equal 2, diff.size
+    assert_equal "three.md", diff[0].file_name
+    assert_nil               diff[0].previous_file_name
+
+    assert_equal "two.md",       diff[1].file_name
+    assert_equal "two.markdown", diff[1].previous_file_name
+  end
+
   def test_include_a_b_slash
     diff = Redmine::UnifiedDiff.new(<<-DIFF
 --- test1.txt
-- 
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