git-commit-vandalism/t/t1401-symbolic-ref.sh
Jeff King f91b2732b3 t1401: test reflog creation for git-symbolic-ref
The current code writes a reflog entry whenever we update a
symbolic ref, but we never test that this is so. Let's add a
test to make sure upcoming refactoring doesn't cause a
regression.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2015-12-21 12:06:31 -08:00

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#!/bin/sh
test_description='basic symbolic-ref tests'
. ./test-lib.sh
# If the tests munging HEAD fail, they can break detection of
# the git repo, meaning that further tests will operate on
# the surrounding git repo instead of the trash directory.
reset_to_sane() {
echo ref: refs/heads/foo >.git/HEAD
}
test_expect_success 'symbolic-ref writes HEAD' '
git symbolic-ref HEAD refs/heads/foo &&
echo ref: refs/heads/foo >expect &&
test_cmp expect .git/HEAD
'
test_expect_success 'symbolic-ref reads HEAD' '
echo refs/heads/foo >expect &&
git symbolic-ref HEAD >actual &&
test_cmp expect actual
'
test_expect_success 'symbolic-ref refuses non-ref for HEAD' '
test_must_fail git symbolic-ref HEAD foo
'
reset_to_sane
test_expect_success 'symbolic-ref refuses bare sha1' '
echo content >file && git add file && git commit -m one &&
test_must_fail git symbolic-ref HEAD `git rev-parse HEAD`
'
reset_to_sane
test_expect_success 'symbolic-ref deletes HEAD' '
git symbolic-ref -d HEAD &&
test_path_is_file .git/refs/heads/foo &&
test_path_is_missing .git/HEAD
'
reset_to_sane
test_expect_success 'symbolic-ref deletes dangling HEAD' '
git symbolic-ref HEAD refs/heads/missing &&
git symbolic-ref -d HEAD &&
test_path_is_missing .git/refs/heads/missing &&
test_path_is_missing .git/HEAD
'
reset_to_sane
test_expect_success 'symbolic-ref fails to delete missing FOO' '
echo "fatal: Cannot delete FOO, not a symbolic ref" >expect &&
test_must_fail git symbolic-ref -d FOO >actual 2>&1 &&
test_cmp expect actual
'
reset_to_sane
test_expect_success 'symbolic-ref fails to delete real ref' '
echo "fatal: Cannot delete refs/heads/foo, not a symbolic ref" >expect &&
test_must_fail git symbolic-ref -d refs/heads/foo >actual 2>&1 &&
test_path_is_file .git/refs/heads/foo &&
test_cmp expect actual
'
reset_to_sane
test_expect_success 'symbolic-ref reports failure in exit code' '
test_when_finished "rm -f .git/HEAD.lock" &&
>.git/HEAD.lock &&
test_must_fail git symbolic-ref HEAD refs/heads/whatever
'
test_expect_success 'symbolic-ref writes reflog entry' '
git checkout -b log1 &&
test_commit one &&
git checkout -b log2 &&
test_commit two &&
git checkout --orphan orphan &&
git symbolic-ref -m create HEAD refs/heads/log1 &&
git symbolic-ref -m update HEAD refs/heads/log2 &&
cat >expect <<-\EOF &&
update
create
EOF
git log --format=%gs -g >actual &&
test_cmp expect actual
'
test_done