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[PATCH v3 12/30] grep: add a test helper function for less verbose -f \0 tests

From
Ævar Arnfjörð Bjarmason <avarab@gmail.com>
Date
May 20, 2017, 21:42 UTC
Message-ID
<20170520214233.7183-13-avarab@gmail.com>
In-Reply-To
<20170520214233.7183-1-avarab@gmail.com>

Add a helper function to make the tests which check for patterns with \0 in them more succinct. Right now this isn't a big win, but subsequent commits will add a lot more of these tests.

The helper is based on the match() function in t3070-wildmatch.sh.
Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com>
---
 t/t7008-grep-binary.sh | 58 +++++++++++++++++++++++++-------------------------
 1 file changed, 29 insertions(+), 29 deletions(-)
diff --git a/t/t7008-grep-binary.sh b/t/t7008-grep-binary.sh
index 9c9c378119..df93d8e44c 100755
--- a/t/t7008-grep-binary.sh
+++ b/t/t7008-grep-binary.sh
@@ -4,6 +4,29 @@ test_description='git grep in binary files'
 
 . ./test-lib.sh
 
+nul_match () {
+	matches=$1
+	flags=$2
+	pattern=$3
+	pattern_human=$(echo "$pattern" | sed 's/Q/<NUL>/g')
+
+	if test "$matches" = 1
+	then
+		test_expect_success "git grep -f f $flags '$pattern_human' a" "
+			printf '$pattern' | q_to_nul >f &&
+			git grep -f f $flags a
+		"
+	elif test "$matches" = 0
+	then
+		test_expect_success "git grep -f f $flags '$pattern_human' a" "
+			printf '$pattern' | q_to_nul >f &&
+			test_must_fail git grep -f f $flags a
+		"
+	else
+		test_expect_success "PANIC: Test framework error. Unknown matches value $matches" 'false'
+	fi
+}
+
 test_expect_success 'setup' "
 	echo 'binaryQfile' | q_to_nul >a &&
 	git add a &&
@@ -69,35 +92,12 @@ test_expect_failure 'git grep .fi a' '
 	git grep .fi a
 '
 
-test_expect_success 'git grep -F y<NUL>f a' "
-	printf 'yQf' | q_to_nul >f &&
-	git grep -f f -F a
-"
-
-test_expect_success 'git grep -F y<NUL>x a' "
-	printf 'yQx' | q_to_nul >f &&
-	test_must_fail git grep -f f -F a
-"
-
-test_expect_success 'git grep -Fi Y<NUL>f a' "
-	printf 'YQf' | q_to_nul >f &&
-	git grep -f f -Fi a
-"
-
-test_expect_success 'git grep -Fi Y<NUL>x a' "
-	printf 'YQx' | q_to_nul >f &&
-	test_must_fail git grep -f f -Fi a
-"
-
-test_expect_success 'git grep y<NUL>f a' "
-	printf 'yQf' | q_to_nul >f &&
-	git grep -f f a
-"
-
-test_expect_success 'git grep y<NUL>x a' "
-	printf 'yQx' | q_to_nul >f &&
-	test_must_fail git grep -f f a
-"
+nul_match 1 '-F' 'yQf'
+nul_match 0 '-F' 'yQx'
+nul_match 1 '-Fi' 'YQf'
+nul_match 0 '-Fi' 'YQx'
+nul_match 1 '' 'yQf'
+nul_match 0 '' 'yQx'
 
 test_expect_success 'grep respects binary diff attribute' '
 	echo text >t &&
-- 
2.13.0.303.g4ebf302169
Previous: Ævar Arnfjörð BjarmasonNext: Ævar Arnfjörð Bjarmason
Message 13 of 58 in “Easy to review grep & pre-PCRE changes”
  1. 00/30 Easy to review grep & pre-PCRE changesÆvar Arnfjörð Bjarmason, May 20, 2017
  2. 01/30 Makefile & configure: reword inaccurate comment about PCREÆvar Arnfjörð Bjarmason, May 20, 2017
  3. 02/30 grep & rev-list doc: stop promising libpcre for --perl-regexpÆvar Arnfjörð Bjarmason, May 20, 2017
  4. 03/30 test-lib: rename the LIBPCRE prerequisite to PCREÆvar Arnfjörð Bjarmason, May 20, 2017
  5. 04/30 log: add exhaustive tests for pattern style options & configÆvar Arnfjörð Bjarmason, May 20, 2017
  6. 07/30 grep: add a test for backreferences in PCRE patternsÆvar Arnfjörð Bjarmason, May 20, 2017
  7. 05/30 log: make --regexp-ignore-case work with --perl-regexpÆvar Arnfjörð Bjarmason, May 20, 2017
  8. Junio C HamanoMay 20, 2017
  9. Ævar Arnfjörð BjarmasonMay 21, 2017
  10. Junio C HamanoMay 22, 2017
  11. 06/30 grep: add a test asserting that --perl-regexp dies when !PCREÆvar Arnfjörð Bjarmason, May 20, 2017
  12. 08/30 grep: change non-ASCII -i test to stop using --debugÆvar Arnfjörð Bjarmason, May 20, 2017
  13. 12/30 grep: add a test helper function for less verbose -f \0 testsÆvar Arnfjörð Bjarmason, May 20, 2017
  14. 10/30 grep: amend submodule recursion test for regex engine testingÆvar Arnfjörð Bjarmason, May 20, 2017
  15. 09/30 grep: add tests for --threads=N and grep.threadsÆvar Arnfjörð Bjarmason, May 20, 2017
  16. 13/30 grep: prepare for testing binary regexes containing rx metacharactersÆvar Arnfjörð Bjarmason, May 20, 2017
  17. 11/30 grep: add tests for grep pattern types being passed to submodulesÆvar Arnfjörð Bjarmason, May 20, 2017
  18. 14/30 grep: add tests to fix blind spots with \0 patternsÆvar Arnfjörð Bjarmason, May 20, 2017
  19. 15/30 perf: add a GIT_PERF_MAKE_COMMAND for when *_MAKE_OPTS won't doÆvar Arnfjörð Bjarmason, May 20, 2017
  20. Junio C HamanoMay 20, 2017
  21. Ævar Arnfjörð BjarmasonMay 21, 2017
  22. 18/30 perf: add a comparison test of grep regex engines with -FÆvar Arnfjörð Bjarmason, May 20, 2017
  23. 20/30 grep: catch a missing enum in switch statementÆvar Arnfjörð Bjarmason, May 20, 2017
  24. 17/30 perf: add a comparison test of grep regex enginesÆvar Arnfjörð Bjarmason, May 20, 2017
  25. 19/30 perf: add a comparison test of log --grep regex enginesÆvar Arnfjörð Bjarmason, May 20, 2017
  26. 16/30 perf: emit progress output when unpacking & buildingÆvar Arnfjörð Bjarmason, May 20, 2017
  27. 21/30 grep: remove redundant regflags assignmentsÆvar Arnfjörð Bjarmason, May 20, 2017
  28. 22/30 grep: factor test for \0 in grep patterns into a functionÆvar Arnfjörð Bjarmason, May 20, 2017
  29. Brandon WilliamsMay 23, 2017
  30. 25/30 grep: move is_fixed() earlier to avoid forward declarationÆvar Arnfjörð Bjarmason, May 20, 2017
  31. 23/30 grep: change the internal PCRE macro names to be PCRE1Ævar Arnfjörð Bjarmason, May 20, 2017
  32. 24/30 grep: change internal *pcre* variable & function names to be *pcre1*Ævar Arnfjörð Bjarmason, May 20, 2017
  33. 26/30 test-lib: add a PTHREADS prerequisiteÆvar Arnfjörð Bjarmason, May 20, 2017
  34. 28/30 pack-objects: fix buggy warning about threadsÆvar Arnfjörð Bjarmason, May 20, 2017
  35. 30/30 grep: assert that threading is enabled when calling grep_{lock,unlock}Ævar Arnfjörð Bjarmason, May 20, 2017
  36. 29/30 grep: given --threads with NO_PTHREADS=YesPlease, warnÆvar Arnfjörð Bjarmason, May 20, 2017
  37. 27/30 pack-objects & index-pack: add test for --threads warningÆvar Arnfjörð Bjarmason, May 20, 2017
  38. Junio C HamanoMay 20, 2017
  39. 0/7 PCRE v2, PCRE v1 JIT, log -P & fixesÆvar Arnfjörð Bjarmason, May 23, 2017
  40. 3/7 log: add -P as a synonym for --perl-regexpÆvar Arnfjörð Bjarmason, May 23, 2017
  41. 5/7 grep: un-break building with PCRE < 8.32Ævar Arnfjörð Bjarmason, May 23, 2017
  42. Junio C HamanoMay 24, 2017
  43. Junio C HamanoMay 24, 2017
  44. 6/7 grep: un-break building with PCRE < 8.20Ævar Arnfjörð Bjarmason, May 23, 2017
  45. 2/7 grep: skip pthreads overhead when using one threadÆvar Arnfjörð Bjarmason, May 23, 2017
  46. Junio C HamanoMay 24, 2017
  47. 4/7 grep: add support for the PCRE v1 JIT APIÆvar Arnfjörð Bjarmason, May 23, 2017
  48. Junio C HamanoMay 24, 2017
  49. Ævar Arnfjörð BjarmasonMay 24, 2017
  50. 7/7 grep: add support for PCRE v2Ævar Arnfjörð Bjarmason, May 23, 2017
  51. Junio C HamanoMay 24, 2017
  52. Ævar Arnfjörð BjarmasonMay 25, 2017
  53. 1/7 grep: don't redundantly compile throwaway patterns under threadingÆvar Arnfjörð Bjarmason, May 23, 2017
  54. Junio C HamanoMay 24, 2017
  55. Ævar Arnfjörð BjarmasonMay 25, 2017
  56. Junio C HamanoMay 26, 2017
  57. Ævar Arnfjörð BjarmasonMay 26, 2017
  58. Junio C HamanoMay 26, 2017

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