[PATCH -v3 7/8] t9350: add tests for tags of things other than a commit

[Elijah Newren <newren@gmail.com>]

Multiple changes here:
  * add a test for a tag of a blob
  * add a test for a tag of a tag of a commit
  * add a comment to the tests for (possibly nested) tags of trees,
    making it clear that these tests are doing much less than you might
    expect

Signed-off-by: Elijah Newren <newren@gmail.com>
---
 t/t9350-fast-export.sh | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/t/t9350-fast-export.sh b/t/t9350-fast-export.sh
index b3fca6ffba..9ab281e4b9 100755
--- a/t/t9350-fast-export.sh
+++ b/t/t9350-fast-export.sh
@@ -540,10 +540,41 @@ test_expect_success 'tree_tag'        '
 '
 
 # NEEDSWORK: not just check return status, but validate the output
+# Note that these tests DO NOTHING other than print a warning that
+# they are ommitting the one tag we asked them to export (because the
+# tags resolve to a tree).  They exist just to make sure we do not
+# abort but instead just warn.
 test_expect_success 'tree_tag-obj'    'git fast-export tree_tag-obj'
 test_expect_success 'tag-obj_tag'     'git fast-export tag-obj_tag'
 test_expect_success 'tag-obj_tag-obj' 'git fast-export tag-obj_tag-obj'
 
+test_expect_success 'handling tags of blobs' '
+	git tag -a -m "Tag of a blob" blobtag $(git rev-parse master:file) &&
+	git fast-export blobtag >actual &&
+	cat >expect <<-EOF &&
+	blob
+	mark :1
+	data 9
+	die Luft
+
+	tag blobtag
+	from :1
+	tagger $GIT_COMMITTER_NAME <$GIT_COMMITTER_EMAIL> $GIT_COMMITTER_DATE
+	data 14
+	Tag of a blob
+
+	EOF
+	test_cmp expect actual
+'
+
+test_expect_failure 'handling nested tags' '
+	git tag -a -m "This is a nested tag" nested muss &&
+	git fast-export --mark-tags nested >output &&
+	grep "^from $ZERO_OID$" output &&
+	grep "^tag nested$" output >tag_lines &&
+	test_line_count = 2 tag_lines
+'
+
 test_expect_success 'directory becomes symlink'        '
 	git init dirtosymlink &&
 	git init result &&
-- 
2.23.0.264.g3b9f7f2fc6