git svn mergeinfo tests: refactor "test -z" to use test_must_be_empty

Refactor some old-style test code to use test_must_be_empty instead of "test -z". This makes a follow-up commit easier to read. Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Ævar Arnfjörð Bjarmason committed Jan 23, 2021 at 14:00 UTC f918a89e50d4e31fe5b2db979122e76992951bc7
1 file changed +16 -15
t/t9151-svn-mergeinfo.sh
+16 -15
@@ -17,41 +17,42 @@ test_expect_success 'load svn dump' "
17 "
18
19 test_expect_success 'all svn merges became git merge commits' '
20 - unmarked=$(git rev-list --parents --all --grep=Merge |
21 - grep -v " .* " | cut -f1 -d" ") &&
22 - [ -z "$unmarked" ]
20 + git rev-list --parents --all --grep=Merge |
21 + grep -v " .* " | cut -f1 -d" " >unmarked &&
22 + test_must_be_empty unmarked
23 '
24
25 +
26 test_expect_success 'cherry picks did not become git merge commits' '
26 - bad_cherries=$(git rev-list --parents --all --grep=Cherry |
27 - grep " .* " | cut -f1 -d" ") &&
28 - [ -z "$bad_cherries" ]
27 + git rev-list --parents --all --grep=Cherry |
28 + grep " .* " | cut -f1 -d" " >bad-cherries &&
29 + test_must_be_empty bad-cherries
30 '
31
32 test_expect_success 'svn non-merge merge commits did not become git merge commits' '
32 - bad_non_merges=$(git rev-list --parents --all --grep=non-merge |
33 - grep " .* " | cut -f1 -d" ") &&
34 - [ -z "$bad_non_merges" ]
33 + git rev-list --parents --all --grep=non-merge |
34 + grep " .* " | cut -f1 -d" " >bad-non-merges &&
35 + test_must_be_empty bad-non-merges
36 '
37
38 test_expect_success 'commit made to merged branch is reachable from the merge' '
39 before_commit=$(git rev-list --all --grep="trunk commit before merging trunk to b2") &&
40 merge_commit=$(git rev-list --all --grep="Merge trunk to b2") &&
40 - not_reachable=$(git rev-list -1 $before_commit --not $merge_commit) &&
41 - [ -z "$not_reachable" ]
41 + git rev-list -1 $before_commit --not $merge_commit >not-reachable &&
42 + test_must_be_empty not-reachable
43 '
44
45 test_expect_success 'merging two branches in one commit is detected correctly' '
46 f1_commit=$(git rev-list --all --grep="make f1 branch from trunk") &&
47 f2_commit=$(git rev-list --all --grep="make f2 branch from trunk") &&
48 merge_commit=$(git rev-list --all --grep="Merge f1 and f2 to trunk") &&
48 - not_reachable=$(git rev-list -1 $f1_commit $f2_commit --not $merge_commit) &&
49 - [ -z "$not_reachable" ]
49 + git rev-list -1 $f1_commit $f2_commit --not $merge_commit >not-reachable &&
50 + test_must_be_empty not-reachable
51 '
52
53 test_expect_failure 'everything got merged in the end' '
53 - unmerged=$(git rev-list --all --not master) &&
54 - [ -z "$unmerged" ]
54 + git rev-list --all --not master >unmerged &&
55 + test_must_be_empty unmerged
56 '
57
58 test_done