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From: "Martin Ågren" <martin.agren@gmail.com>
To: git@vger.kernel.org
Cc: Junio C Hamano <gitster@pobox.com>,
	Eric Sunshine <sunshine@sunshineco.com>,
	Chris Torek <chris.torek@gmail.com>
Subject: [PATCH v2 2/2] t4104: modernize and simplify quoting
Date: Thu,  6 Aug 2020 22:08:54 +0200
Message-ID: <3be4695a2778c9c72a943e438e61a18d4de468a5.1596742823.git.martin.agren@gmail.com> (raw)
In-Reply-To: <cover.1596742823.git.martin.agren@gmail.com>

Drop whitespace in the value of `$test_description` and in a test body
and use `test_write_lines`.

Stop defining `$u` with a trailing space just so that we can tuck it in
like `git foo $u$more...` and get minimal whitespace in the command:
`git foo $u $more...` is more readable at the "cost" of an empty `$u`
yielding `git foo  something...`.

Finally, avoid using single quotes within the test scripts to repeatedly
close and reopen the quotes that wrap the test scripts (see the previous
commit). This "unnecessary" quoting does mean that the verbose test
output shows the interpolated values, i.e., the shell code we're
running. But the downside is that the source of the script does *not*
show the shell code we're eventually executing, leaving the reader to
reason about what we really do and whether there are any quoting issues.
(There aren't.)

Where we run through loops to generate several "identical but different"
tests, the test message contains the interpolated variables we're
looping on, meaning one can always identify exactly which instance has
failed, even if the verbose test output shows the exact same test body
several times.

Signed-off-by: Martin Ågren <martin.agren@gmail.com>
---
 t/t4104-apply-boundary.sh | 57 +++++++++++----------------------------
 1 file changed, 15 insertions(+), 42 deletions(-)

diff --git a/t/t4104-apply-boundary.sh b/t/t4104-apply-boundary.sh
index 32e3b0ee0b..71ef4132d1 100755
--- a/t/t4104-apply-boundary.sh
+++ b/t/t4104-apply-boundary.sh
@@ -3,80 +3,55 @@
 # Copyright (c) 2005 Junio C Hamano
 #
 
-test_description='git apply boundary tests
+test_description='git apply boundary tests'
 
-'
 . ./test-lib.sh
 
 L="c d e f g h i j k l m n o p q r s t u v w x"
 
 test_expect_success setup '
-	for i in b '"$L"' y
-	do
-		echo $i
-	done >victim &&
+	test_write_lines b $L y >victim &&
 	cat victim >original &&
 	git update-index --add victim &&
 
 	# add to the head
-	for i in a b '"$L"' y
-	do
-		echo $i
-	done >victim &&
+	test_write_lines a b $L y >victim &&
 	cat victim >add-a-expect &&
 	git diff victim >add-a-patch.with &&
 	git diff --unified=0 >add-a-patch.without &&
 
 	# insert at line two
-	for i in b a '"$L"' y
-	do
-		echo $i
-	done >victim &&
+	test_write_lines b a $L y >victim &&
 	cat victim >insert-a-expect &&
 	git diff victim >insert-a-patch.with &&
 	git diff --unified=0 >insert-a-patch.without &&
 
 	# modify at the head
-	for i in a '"$L"' y
-	do
-		echo $i
-	done >victim &&
+	test_write_lines a $L y >victim &&
 	cat victim >mod-a-expect &&
 	git diff victim >mod-a-patch.with &&
 	git diff --unified=0 >mod-a-patch.without &&
 
 	# remove from the head
-	for i in '"$L"' y
-	do
-		echo $i
-	done >victim &&
+	test_write_lines $L y >victim &&
 	cat victim >del-a-expect &&
 	git diff victim >del-a-patch.with &&
 	git diff --unified=0 >del-a-patch.without &&
 
 	# add to the tail
-	for i in b '"$L"' y z
-	do
-		echo $i
-	done >victim &&
+	test_write_lines b $L y z >victim &&
 	cat victim >add-z-expect &&
 	git diff victim >add-z-patch.with &&
 	git diff --unified=0 >add-z-patch.without &&
 
 	# modify at the tail
-	for i in b '"$L"' z
-	do
-		echo $i
-	done >victim &&
+	test_write_lines b $L z >victim &&
 	cat victim >mod-z-expect &&
 	git diff victim >mod-z-patch.with &&
 	git diff --unified=0 >mod-z-patch.without &&
 
 	# remove from the tail
-	for i in b '"$L"'
-	do
-		echo $i
-	done >victim &&
+	test_write_lines b $L >victim &&
 	cat victim >del-z-expect &&
 	git diff victim >del-z-patch.with &&
 	git diff --unified=0 >del-z-patch.without
@@ -88,15 +63,15 @@ for with in with without
 do
 	case "$with" in
 	with) u= ;;
-	without) u='--unidiff-zero ' ;;
+	without) u=--unidiff-zero ;;
 	esac
 	for kind in add-a add-z insert-a mod-a mod-z del-a del-z
 	do
 		test_expect_success "apply $kind-patch $with context" '
 			cat original >victim &&
 			git update-index victim &&
-			git apply --index '"$u$kind-patch.$with"' &&
-			test_cmp '"$kind"'-expect victim
+			git apply --index $u "$kind-patch.$with" &&
+			test_cmp "$kind-expect" victim
 		'
 	done
 done
@@ -110,13 +85,12 @@ do
 	test_expect_success "apply non-git $kind-patch without context" '
 		cat original >victim &&
 		git update-index victim &&
-		git apply --unidiff-zero --index '"$kind-ng.without"' &&
-		test_cmp '"$kind"'-expect victim
+		git apply --unidiff-zero --index "$kind-ng.without" &&
+		test_cmp "$kind-expect" victim
 	'
 done
 
 test_expect_success 'two lines' '
-
 	>file &&
 	git add file &&
 	echo aaa >file &&
@@ -125,11 +99,10 @@ test_expect_success 'two lines' '
 	echo bbb >file &&
 	git add file &&
 	test_must_fail git apply --check patch
-
 '
 
 test_expect_success 'apply patch with 3 context lines matching at end' '
-	{ echo a; echo b; echo c; echo d; } >file &&
+	test_write_lines a b c d >file &&
 	git add file &&
 	echo e >>file &&
 	git diff >patch &&
-- 
2.28.0.199.g4234a9100e


  parent reply	other threads:[~2020-08-06 20:09 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-01 22:06 [PATCH] t1450: fix quoting of NUL byte when corrupting pack Martin Ågren
2020-08-02  0:45 ` Junio C Hamano
2020-08-02 14:30   ` Martin Ågren
2020-08-02 17:22     ` Eric Sunshine
2020-08-06 20:08     ` [PATCH v2 0/2] t: don't spuriously close and reopen quotes Martin Ågren
2020-08-06 20:08       ` [PATCH v2 1/2] " Martin Ågren
2020-08-06 20:26         ` Eric Sunshine
2020-08-07  8:45           ` Martin Ågren
2020-08-07 16:17             ` Eric Sunshine
2020-08-07 17:16               ` Junio C Hamano
2020-08-06 20:08       ` Martin Ågren [this message]
2020-08-02  1:00 ` [PATCH] t1450: fix quoting of NUL byte when corrupting pack Chris Torek
2020-08-02  1:02   ` Chris Torek
2020-08-02 14:35     ` Martin Ågren
2020-08-02 16:20       ` Chris Torek
2020-08-02 17:57         ` Junio C Hamano

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