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-rwxr-xr-xt/t6009-rev-list-parent.sh152
1 files changed, 152 insertions, 0 deletions
diff --git a/t/t6009-rev-list-parent.sh b/t/t6009-rev-list-parent.sh
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+++ b/t/t6009-rev-list-parent.sh
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+#!/bin/sh
+
+test_description='ancestor culling and limiting by parent number'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+. ./test-lib.sh
+
+check_revlist () {
+ rev_list_args="$1" &&
+ shift &&
+ git rev-parse "$@" >expect &&
+ git rev-list $rev_list_args --all >actual &&
+ test_cmp expect actual
+}
+
+test_expect_success setup '
+
+ touch file &&
+ git add file &&
+
+ test_commit one &&
+
+ test_tick=$(($test_tick - 2400)) &&
+
+ test_commit two &&
+ test_commit three &&
+ test_commit four &&
+
+ git log --pretty=oneline --abbrev-commit
+'
+
+test_expect_success 'one is ancestor of others and should not be shown' '
+
+ git rev-list one --not four >result &&
+ test_must_be_empty result
+
+'
+
+test_expect_success 'setup roots, merges and octopuses' '
+
+ git checkout --orphan newroot &&
+ test_commit five &&
+ git checkout -b sidebranch two &&
+ test_commit six &&
+ git checkout -b anotherbranch three &&
+ test_commit seven &&
+ git checkout -b yetanotherbranch four &&
+ test_commit eight &&
+ git checkout main &&
+ test_tick &&
+ git merge --allow-unrelated-histories -m normalmerge newroot &&
+ git tag normalmerge &&
+ test_tick &&
+ git merge -m tripus sidebranch anotherbranch &&
+ git tag tripus &&
+ git checkout -b tetrabranch normalmerge &&
+ test_tick &&
+ git merge -m tetrapus sidebranch anotherbranch yetanotherbranch &&
+ git tag tetrapus &&
+ git checkout main
+'
+
+test_expect_success 'rev-list roots' '
+
+ check_revlist "--max-parents=0" one five
+'
+
+test_expect_success 'rev-list no merges' '
+
+ check_revlist "--max-parents=1" one eight seven six five four three two &&
+ check_revlist "--no-merges" one eight seven six five four three two
+'
+
+test_expect_success 'rev-list no octopuses' '
+
+ check_revlist "--max-parents=2" one normalmerge eight seven six five four three two
+'
+
+test_expect_success 'rev-list no roots' '
+
+ check_revlist "--min-parents=1" tetrapus tripus normalmerge eight seven six four three two
+'
+
+test_expect_success 'rev-list merges' '
+
+ check_revlist "--min-parents=2" tetrapus tripus normalmerge &&
+ check_revlist "--merges" tetrapus tripus normalmerge
+'
+
+test_expect_success 'rev-list octopus' '
+
+ check_revlist "--min-parents=3" tetrapus tripus
+'
+
+test_expect_success 'rev-list ordinary commits' '
+
+ check_revlist "--min-parents=1 --max-parents=1" eight seven six four three two
+'
+
+test_expect_success 'rev-list --merges --no-merges yields empty set' '
+
+ check_revlist "--min-parents=2 --no-merges" &&
+ check_revlist "--merges --no-merges" &&
+ check_revlist "--no-merges --merges"
+'
+
+test_expect_success 'rev-list override and infinities' '
+
+ check_revlist "--min-parents=2 --max-parents=1 --max-parents=3" tripus normalmerge &&
+ check_revlist "--min-parents=1 --min-parents=2 --max-parents=7" tetrapus tripus normalmerge &&
+ check_revlist "--min-parents=2 --max-parents=8" tetrapus tripus normalmerge &&
+ check_revlist "--min-parents=2 --max-parents=-1" tetrapus tripus normalmerge &&
+ check_revlist "--min-parents=2 --no-max-parents" tetrapus tripus normalmerge &&
+ check_revlist "--max-parents=0 --min-parents=1 --no-min-parents" one five
+'
+
+test_expect_success 'dodecapus' '
+
+ roots= &&
+ for i in 1 2 3 4 5 6 7 8 9 10 11
+ do
+ git checkout -b root$i five &&
+ test_commit $i &&
+ roots="$roots root$i" ||
+ return 1
+ done &&
+ git checkout main &&
+ test_tick &&
+ git merge -m dodecapus $roots &&
+ git tag dodecapus &&
+
+ check_revlist "--min-parents=4" dodecapus tetrapus &&
+ check_revlist "--min-parents=8" dodecapus &&
+ check_revlist "--min-parents=12" dodecapus &&
+ check_revlist "--min-parents=13" &&
+ check_revlist "--min-parents=4 --max-parents=11" tetrapus
+'
+
+test_expect_success 'ancestors with the same commit time' '
+
+ test_tick_keep=$test_tick &&
+ for i in 1 2 3 4 5 6 7 8; do
+ test_tick=$test_tick_keep &&
+ test_commit t$i || return 1
+ done &&
+ git rev-list t1^! --not t$i >result &&
+ test_must_be_empty result
+'
+
+test_done