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merge: add t7613 for submodule updates

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Test that the merge command updates the work tree as expected (for
submodule changes which don't result in conflicts) when used without
arguments or with the '--ff', '--ff-only' and '--no-ff' flag.

Implement the KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR
switch to expect the known failure that --no-ff merges do not create the
empty submodule directory.

The KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES
switch is also implemented to expect the known failure that --no-ff
merges attempt to merge the new files in the former submodule directory
with those of the removed submodule.

Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jens Lehmann 2014-06-15 19:01:41 +02:00 committed by Junio C Hamano
parent 8f8ba56b5b
commit 663ed39a88
2 changed files with 40 additions and 3 deletions
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24
t/lib-submodule-update.sh
View file

@ -285,7 +285,16 @@ test_submodule_switch () {
'
# ... as does removing a directory with tracked files with a
# submodule.
test_expect_success "$command: replace directory with submodule" '
if test "$KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR" = 1
then
# Non fast-forward merges fail with "Directory sub1 doesn't
# exist. sub1" because the empty submodule directory is not
# created
RESULT="failure"
else
RESULT="success"
fi
test_expect_$RESULT "$command: replace directory with submodule" '
prolog &&
reset_work_tree_to replace_sub1_with_directory &&
(
@ -328,7 +337,16 @@ test_submodule_switch () {
'
# Replacing a submodule with files in a directory must fail as the
# submodule work tree isn't removed ...
test_expect_success "$command: replace submodule with a directory must fail" '
if test "$KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES" = 1
then
# Non fast-forward merges attempt to merge the former
# submodule files with the newly checked out ones in the
# directory of the same name while it shouldn't.
RESULT="failure"
else
RESULT="success"
fi
test_expect_$RESULT "$command: replace submodule with a directory must fail" '
prolog &&
reset_work_tree_to add_sub1 &&
(
@ -340,7 +358,7 @@ test_submodule_switch () {
)
'
# ... especially when it contains a .git directory.
test_expect_success "$command: replace submodule containing a .git directory with a directory must fail" '
test_expect_$RESULT "$command: replace submodule containing a .git directory with a directory must fail" '
prolog &&
reset_work_tree_to add_sub1 &&
(

19
t/t7613-merge-submodule.sh Executable file
View file

@ -0,0 +1,19 @@
#!/bin/sh
test_description='merge can handle submodules'
. ./test-lib.sh
. "$TEST_DIRECTORY"/lib-submodule-update.sh
# merges without conflicts
test_submodule_switch "git merge"
test_submodule_switch "git merge --ff"
test_submodule_switch "git merge --ff-only"
KNOWN_FAILURE_NOFF_MERGE_DOESNT_CREATE_EMPTY_SUBMODULE_DIR=1
KNOWN_FAILURE_NOFF_MERGE_ATTEMPTS_TO_MERGE_REMOVED_SUBMODULE_FILES=1
test_submodule_switch "git merge --no-ff"
test_done