[PATCH 02/34] t4001-diff-rename: wrap file creations in a test

[Junio C Hamano <gitster@pobox.com>]

From: Matthieu Moy <Matthieu.Moy@imag.fr>

Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
 t/t4001-diff-rename.sh | 66 ++++++++++++++++++++++++++------------------------
 1 file changed, 35 insertions(+), 31 deletions(-)

diff --git a/t/t4001-diff-rename.sh b/t/t4001-diff-rename.sh
index 2f327b7..06b8828 100755
--- a/t/t4001-diff-rename.sh
+++ b/t/t4001-diff-rename.sh
@@ -9,21 +9,40 @@ test_description='Test rename detection in diff engine.
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/diff-lib.sh
 
-echo >path0 'Line 1
-Line 2
-Line 3
-Line 4
-Line 5
-Line 6
-Line 7
-Line 8
-Line 9
-Line 10
-line 11
-Line 12
-Line 13
-Line 14
-Line 15
+test_expect_success 'setup' '
+	cat >path0 <<-\EOF &&
+	Line 1
+	Line 2
+	Line 3
+	Line 4
+	Line 5
+	Line 6
+	Line 7
+	Line 8
+	Line 9
+	Line 10
+	line 11
+	Line 12
+	Line 13
+	Line 14
+	Line 15
+	EOF
+	cat >expected <<-\EOF
+	diff --git a/path0 b/path1
+	rename from path0
+	rename to path1
+	--- a/path0
+	+++ b/path1
+	@@ -8,7 +8,7 @@ Line 7
+	 Line 8
+	 Line 9
+	 Line 10
+	-line 11
+	+Line 11
+	 Line 12
+	 Line 13
+	 Line 14
+	EOF
 '
 
 test_expect_success \
@@ -43,22 +62,7 @@ test_expect_success \
 test_expect_success \
     'git diff-index -p -M after rename and editing.' \
     'git diff-index -p -M $tree >current'
-cat >expected <<\EOF
-diff --git a/path0 b/path1
-rename from path0
-rename to path1
---- a/path0
-+++ b/path1
-@@ -8,7 +8,7 @@ Line 7
- Line 8
- Line 9
- Line 10
--line 11
-+Line 11
- Line 12
- Line 13
- Line 14
-EOF
+
 
 test_expect_success \
     'validate the output.' \
-- 
2.8.0-246-g1783343