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t6012: make rev-list tests more interesting

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As we are working to rewrite some of the revision-walk machinery,
there could easily be some interesting interactions between the
options that force topological constraints (--topo-order,
--date-order, and --author-date-order) along with specifying a
path.

Add extra tests to t6012-rev-list-simplify.sh to add coverage of
these interactions. To ensure interesting things occur, alter the
repo data shape to have different orders depending on topo-, date-,
or author-date-order.

When testing using GIT_TEST_COMMIT_GRAPH, this assists in covering
the new logic for topo-order walks using generation numbers. The
extra tests can be added indepently.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2018-11-01 13:46:23 +00:00 committed by Junio C Hamano
parent b45424181e
commit 561b583749
1 changed files with 36 additions and 9 deletions
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45
t/t6012-rev-list-simplify.sh
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@ -12,6 +12,22 @@ unnote () {
git name-rev --tags --stdin | sed -e "s|$OID_REGEX (tags/\([^)]*\)) |\1 |g"
}
#
# Create a test repo with interesting commit graph:
#
# A--B----------G--H--I--K--L
# \ \ / /
# \ \ / /
# C------E---F J
# \_/
#
# The commits are laid out from left-to-right starting with
# the root commit A and terminating at the tip commit L.
#
# There are a few places where we adjust the commit date or
# author date to make the --topo-order, --date-order, and
# --author-date-order flags produce different output.
test_expect_success setup '
echo "Hi there" >file &&
echo "initial" >lost &&
@ -21,10 +37,18 @@ test_expect_success setup '
git branch other-branch &&
git symbolic-ref HEAD refs/heads/unrelated &&
git rm -f "*" &&
echo "Unrelated branch" >side &&
git add side &&
test_tick && git commit -m "Side root" &&
note J &&
git checkout master &&
echo "Hello" >file &&
echo "second" >lost &&
git add file lost &&
test_tick && git commit -m "Modified file and lost" &&
test_tick && GIT_AUTHOR_DATE=$(($test_tick + 120)) git commit -m "Modified file and lost" &&
note B &&
git checkout other-branch &&
@ -63,13 +87,6 @@ test_expect_success setup '
test_tick && git commit -a -m "Final change" &&
note I &&
git symbolic-ref HEAD refs/heads/unrelated &&
git rm -f "*" &&
echo "Unrelated branch" >side &&
git add side &&
test_tick && git commit -m "Side root" &&
note J &&
git checkout master &&
test_tick && git merge --allow-unrelated-histories -m "Coolest" unrelated &&
note K &&
@ -103,14 +120,24 @@ check_result () {
check_outcome success "$@"
}
check_result 'L K J I H G F E D C B A' --full-history
check_result 'L K J I H F E D C G B A' --full-history --topo-order
check_result 'L K I H G F E D C B J A' --full-history
check_result 'L K I H G F E D C B J A' --full-history --date-order
check_result 'L K I H G F E D B C J A' --full-history --author-date-order
check_result 'K I H E C B A' --full-history -- file
check_result 'K I H E C B A' --full-history --topo-order -- file
check_result 'K I H E C B A' --full-history --date-order -- file
check_result 'K I H E B C A' --full-history --author-date-order -- file
check_result 'I E C B A' --simplify-merges -- file
check_result 'I E C B A' --simplify-merges --topo-order -- file
check_result 'I E C B A' --simplify-merges --date-order -- file
check_result 'I E B C A' --simplify-merges --author-date-order -- file
check_result 'I B A' -- file
check_result 'I B A' --topo-order -- file
check_result 'I B A' --date-order -- file
check_result 'I B A' --author-date-order -- file
check_result 'H' --first-parent -- another-file
check_result 'H' --first-parent --topo-order -- another-file
check_result 'E C B A' --full-history E -- lost
test_expect_success 'full history simplification without parent' '