[PATCH 2/5] t4001-diff-rename: wrap file creations in a test

[Matthieu Moy <Matthieu.Moy@imag.fr>]

Signed-off-by: Matthieu Moy <Matthieu.Moy@imag.fr>
---
 t/t4001-diff-rename.sh | 38 +++++++++++++++++++++-----------------
 1 file changed, 21 insertions(+), 17 deletions(-)

diff --git a/t/t4001-diff-rename.sh b/t/t4001-diff-rename.sh
index 2f327b7..bfb364c 100755
--- a/t/t4001-diff-rename.sh
+++ b/t/t4001-diff-rename.sh
@@ -9,7 +9,9 @@ test_description='Test rename detection in diff engine.
 . ./test-lib.sh
 . "$TEST_DIRECTORY"/diff-lib.sh
 
-echo >path0 'Line 1
+test_expect_success 'setup' '
+	cat >path0 <<\EOF &&
+Line 1
 Line 2
 Line 3
 Line 4
@@ -24,6 +26,23 @@ 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.' \
-- 
2.7.2.334.g35ed2ae.dirty