Alex Riesen <raa.lkml@xxxxxxxxx> writes:
> This allows crashes to be noticed at least in bash and dash, which put
> the signal which terminated the command in its exit status.
>
> Signed-off-by: Alex Riesen <raa.lkml@xxxxxxxxx>
> ---
>
> Alex Riesen, Thu, Feb 28, 2008 17:30:47 +0100:
>> Noticed in t2008, which actually passed, but silently removed
>> core-files (I saw segfaults in syslog) and did not properly check the
>> exit code. The change for the t2008 comes as seperate patch, but it
>> should be noted that "! command" is *not* how you check for a command
>> to have failed. It could have crashed.
>
> So we'd better check the exit status in failure tests.
> Like this, for instance
Yeah, very well spotted, although I would have liked it if this
were caught before it hit 'master'.
I think we want a helper shell function to fix potentially many
other uses of "! git-command" construct, so how about doing it
this way?
---
t/t2008-checkout-subdir.sh | 8 ++++----
t/test-lib.sh | 17 +++++++++++++++++
2 files changed, 21 insertions(+), 4 deletions(-)
diff --git a/t/t2008-checkout-subdir.sh b/t/t2008-checkout-subdir.sh
index 4a723dc..3e098ab 100755
--- a/t/t2008-checkout-subdir.sh
+++ b/t/t2008-checkout-subdir.sh
@@ -68,15 +68,15 @@ test_expect_success 'checkout with simple prefix' '
'
test_expect_success 'relative path outside tree should fail' \
- '! git checkout HEAD -- ../../Makefile'
+ 'test_must_fail git checkout HEAD -- ../../Makefile'
test_expect_success 'incorrect relative path to file should fail (1)' \
- '! git checkout HEAD -- ../file0'
+ 'test_must_fail git checkout HEAD -- ../file0'
test_expect_success 'incorrect relative path should fail (2)' \
- '( cd dir1 && ! git checkout HEAD -- ./file0 )'
+ '( cd dir1 && test_must_fail git checkout HEAD -- ./file0 )'
test_expect_success 'incorrect relative path should fail (3)' \
- '( cd dir1 && ! git checkout HEAD -- ../../file0 )'
+ '( cd dir1 && test_must_fail git checkout HEAD -- ../../file0 )'
test_done
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 83889c4..90df619 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -270,6 +270,23 @@ test_expect_code () {
echo >&3 ""
}
+# This is not among top-level (test_expect_success | test_expect_failure)
+# but is a prefix that can be used in the test script, like:
+#
+# test_expect_success 'complain and die' '
+# do something &&
+# do something else &&
+# test_must_fail git checkout ../outerspace
+# '
+#
+# Writing this as "! git checkout ../outerspace" is wrong, because
+# the failure could be due to a segv. We want a controlled failure.
+
+test_must_fail () {
+ "$@"
+ test $? -gt 0 -a $? -le 128
+}
+
# Most tests can use the created repository, but some may need to create more.
# Usage: test_create_repo <directory>
test_create_repo () {
--
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