Thread (11 messages) flat view 11 messages, 2 authors, 2016-06-15
DORMANTno replies

[PATCH] test-lib.sh: work around ksh's trap shortcomings

From: Brandon Casey <hidden>
Date: 2016-06-15 22:45:11
Subsystem: the rest · Maintainer: Linus Torvalds

In ksh, if trap is called within a function with 0 or EXIT as its signal,
then the trap will be executed at the time the function returns. This
causes a problem in the test functions since 'trap - exit' is called
within the test_done function in order to remove the trap which calls
die() on exit. This means trap has to be called from the scripts top-level.
Do so using an alias.

Additionally, there is some strangeness with respect to aliases and
sourced script files; the alias hack doesn't work. So call 'trap - 0'
directly in lib-git-svn.sh before calling the test_done function.
---
 t/lib-git-svn.sh |    3 +++
 t/test-lib.sh    |    2 +-
 2 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/t/lib-git-svn.sh b/t/lib-git-svn.sh
index a841df2..e2e8cf3 100644
--- a/t/lib-git-svn.sh
+++ b/t/lib-git-svn.sh
@@ -3,6 +3,7 @@
 if test -n "$NO_SVN_TESTS"
 then
 	test_expect_success 'skipping git-svn tests, NO_SVN_TESTS defined' :
+	trap - exit
 	test_done
 	exit
 fi
@@ -15,6 +16,7 @@ svn >/dev/null 2>&1
 if test $? -ne 1
 then
     test_expect_success 'skipping git-svn tests, svn not found' :
+    trap - exit
     test_done
     exit
 fi
@@ -39,6 +41,7 @@ then
 		err='Perl SVN libraries not found or unusable, skipping test'
 	fi
 	test_expect_success "$err" :
+	trap - exit
 	test_done
 	exit
 fi
diff --git a/t/test-lib.sh b/t/test-lib.sh
index 11c0275..6a3fc93 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh
@@ -415,7 +415,6 @@ test_create_repo () {
 }
 
 test_done () {
-	trap - exit
 	test_results_dir="$TEST_DIRECTORY/test-results"
 	mkdir -p "$test_results_dir"
 	test_results_path="$test_results_dir/${0%-*}-$$"
@@ -457,6 +456,7 @@ test_done () {
 
 	esac
 }
+alias test_done='trap - exit && test_done'
 
 # Test the binaries we have just built.  The tests are kept in
 # t/ subdirectory and are run in 'trash directory' subdirectory.
-- 
1.6.0.13.ge1c8
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