t7004-tag: add version sort tests to show prerelease reordering issues

Version sort with prerelease reordering sometimes puts tagnames in the wrong order, when the common part of two compared tagnames ends with the leading character(s) of one or more configured prerelease suffixes. Add tests that demonstrate these issues. The unrelated '--format should list tags as per format given' test later uses tags matching the same prefix as the version sort tests, thus was affected by the new tags added for the new tests in this patch. Change that test to perform its checks on a different set of tags. Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

SZEDER Gábor committed Dec 8, 2016 at 15:23 UTC 0c1b4878dec423a0d322bffc5607de584aab214e
1 file changed +30 -6
t/t7004-tag.sh
+30 -6
@@ -1538,6 +1538,32 @@ test_expect_success 'reverse version sort with prerelease reordering' '
1538 test_cmp expect actual
1539 '
1540
1541 +test_expect_failure 'version sort with prerelease reordering and common leading character' '
1542 + test_config versionsort.prereleaseSuffix -before &&
1543 + git tag foo1.7-before1 &&
1544 + git tag foo1.7 &&
1545 + git tag foo1.7-after1 &&
1546 + git tag -l --sort=version:refname "foo1.7*" >actual &&
1547 + cat >expect <<-\EOF &&
1548 + foo1.7-before1
1549 + foo1.7
1550 + foo1.7-after1
1551 + EOF
1552 + test_cmp expect actual
1553 +'
1554 +
1555 +test_expect_failure 'version sort with prerelease reordering, multiple suffixes and common leading character' '
1556 + test_config versionsort.prereleaseSuffix -before &&
1557 + git config --add versionsort.prereleaseSuffix -after &&
1558 + git tag -l --sort=version:refname "foo1.7*" >actual &&
1559 + cat >expect <<-\EOF &&
1560 + foo1.7-before1
1561 + foo1.7-after1
1562 + foo1.7
1563 + EOF
1564 + test_cmp expect actual
1565 +'
1566 +
1567 run_with_limited_stack () {
1568 (ulimit -s 128 && "$@")
1569 }
@@ -1566,13 +1592,11 @@ EOF"
1592
1593 test_expect_success '--format should list tags as per format given' '
1594 cat >expect <<-\EOF &&
1569 - refname : refs/tags/foo1.10
1570 - refname : refs/tags/foo1.3
1571 - refname : refs/tags/foo1.6
1572 - refname : refs/tags/foo1.6-rc1
1573 - refname : refs/tags/foo1.6-rc2
1595 + refname : refs/tags/v1.0
1596 + refname : refs/tags/v1.0.1
1597 + refname : refs/tags/v1.1.3
1598 EOF
1575 - git tag -l --format="refname : %(refname)" "foo*" >actual &&
1599 + git tag -l --format="refname : %(refname)" "v1*" >actual &&
1600 test_cmp expect actual
1601 '
1602