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[GSOC][PATCH v3] t3701: don't lose "git" exit codes in test scripts

From
EFEdwin Fernando <edwinfernando734@gmail.com>
Date
Apr 2, 2023, 11:36 UTC
Message-ID
<20230402113607.2394-1-edwinfernando734@gmail.com>
In-Reply-To
<20230401194756.5954-1-edwinfernando734@gmail.com>
Exit codes are lost due to piping and command substitution:
- "git ... | <command>"
- "<command> $(git ... )"
Fix these issues using the intermediate step of writing output to file.
Signed-off-by: Edwin Fernando <edwinfernando734@gmail.com>
---
Changes from v2:
- use git rebase to squash commit history,
  and diff with upstream commit for review
- use present tense for code before the commit.
 t/t3701-add-interactive.sh | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)
diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index 3a99837d9b..77aad9032a 100755
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -292,8 +292,10 @@ test_expect_success FILEMODE 'patch does not affect mode' '
 	echo content >>file &&
 	chmod +x file &&
 	printf "n\\ny\\n" | git add -p &&
-	git show :file | grep content &&
-	git diff file | grep "new mode"
+	git show :file >show &&
+	grep content show &&
+	git diff file >diff &&
+	grep "new mode" diff
 '
 
 test_expect_success FILEMODE 'stage mode but not hunk' '
@@ -301,8 +303,10 @@ test_expect_success FILEMODE 'stage mode but not hunk' '
 	echo content >>file &&
 	chmod +x file &&
 	printf "y\\nn\\n" | git add -p &&
-	git diff --cached file | grep "new mode" &&
-	git diff          file | grep "+content"
+	git diff --cached file >diff &&
+	grep "new mode" diff &&
+	git diff file >diff &&
+	grep "+content" diff
 '
 
 
@@ -311,9 +315,11 @@ test_expect_success FILEMODE 'stage mode and hunk' '
 	echo content >>file &&
 	chmod +x file &&
 	printf "y\\ny\\n" | git add -p &&
-	git diff --cached file | grep "new mode" &&
-	git diff --cached file | grep "+content" &&
-	test -z "$(git diff file)"
+	git diff --cached file >diff &&
+	grep "new mode" diff &&
+	grep "+content" diff &&
+	git diff file >diff &&
+	test_must_be_empty diff
 '
 
 # end of tests disabled when filemode is not usable
-- 
2.40.0
Previous: Andrei RybakNext: Eric Sunshine
Message 7 of 13 in “Avoid suppression of git's exit code in tests”
  1. Edwin FernandoMar 26, 2023
  2. [GSOC][PATCH 1/1] t3701: Avoid suppression of exit status of gitEdwin Fernando, Mar 26, 2023
  3. Andrei RybakMar 26, 2023
  4. Eric SunshineMar 27, 2023
  5. [GSOC][PATCH v2] t3701: don't lose "git" exit codes in test scriptsEdwin Fernando, Apr 1, 2023
  6. Andrei RybakApr 2, 2023
  7. [GSOC][PATCH v3] t3701: don't lose "git" exit codes in test scriptsEdwin Fernando, Apr 2, 2023
  8. Eric SunshineApr 2, 2023
  9. [GSOC][PATCH v4] t3701: don't lose "git" exit codes in test scriptsEdwin Fernando, Apr 2, 2023
  10. Eric SunshineApr 3, 2023
  11. Edwin FernandoApr 3, 2023
  12. Edwin FernandoApr 3, 2023
  13. Eric SunshineApr 3, 2023

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