--- a/tests/test_treesum.py	Mon May 12 15:33:16 2025 +0200
+++ b/tests/test_treesum.py	Sat May 17 13:25:48 2025 +0200
@@ -19,7 +19,7 @@
 import cutils.treesum
 
 
-class TreesumTests(unittest.TestCase):
+class TaggedTreesumTests(unittest.TestCase):
 
     def setUp(self):
         if not os.path.isdir(TMPDIR):
@@ -29,10 +29,114 @@
         if os.path.isdir(TMPDIR):
             shutil.rmtree(TMPDIR)
 
-    def test_xxx(self):
-        self.assertTrue(True)
+    def test_gen_and_info_P_utf8(self):
+        digest_file = os.path.join(
+            TMPDIR,
+            "%d__test_gen_and_info_P_utf8.info" % (os.getpid(),))
+        rel_tmpdir = os.path.relpath(TMPDIR, DATADIR)
+        gen_opts = cutils.treesum.gen_generate_opts(
+            directories=[DATADIR],
+            algorithm="SHA1",
+            fnmatch_filters=[("exclude", "glob:%s" % (rel_tmpdir,))],
+            generator="full",
+            grouping_separator="_",
+            output=digest_file,
+            output_style="tagged",
+            print_size=True,
+            utf8=True)
+        info_opts = cutils.treesum.gen_info_opts(digest_files=[digest_file],
+                                                 last=True)
+        cutils.treesum.generate_treesum(gen_opts)
+        cutils.treesum.print_treesum_digestfile_infos(info_opts)
+        info = cutils.treesum.TreesumInfo.collect_last_from_file(digest_file)
+        self.assertEqual(
+            b"\xe1\x76\x18\xfc\x9b\x2f\x1e\x41\xfc\xe0\x04\xfc\x92\x43\x4e\xa7\x49\xbd\x57\x36",    # noqa: E501 line too long
+            info.digest)
+        self.assertEqual(2808, info.size)
+        self.assertEqual("SHA1", info.algorithm)
+
+    def test_gen_and_info_P_native(self):
+        digest_file = os.path.join(
+            TMPDIR,
+            "%d__test_gen_and_info_P_native.info" % (os.getpid(),))
+        rel_tmpdir = os.path.relpath(TMPDIR, DATADIR)
+        gen_opts = cutils.treesum.gen_generate_opts(
+            directories=[DATADIR],
+            algorithm="SHA1",
+            fnmatch_filters=[("exclude", "glob:%s" % (rel_tmpdir,))],
+            generator="full",
+            grouping_separator="_",
+            output=digest_file,
+            output_style="tagged",
+            print_size=True,
+            utf8=False)
+        info_opts = cutils.treesum.gen_info_opts(digest_files=[digest_file],
+                                                 last=True)
+        cutils.treesum.generate_treesum(gen_opts)
+        cutils.treesum.print_treesum_digestfile_infos(info_opts)
+        info = cutils.treesum.TreesumInfo.collect_last_from_file(digest_file)
+        self.assertEqual(
+            b"\xe1\x76\x18\xfc\x9b\x2f\x1e\x41\xfc\xe0\x04\xfc\x92\x43\x4e\xa7\x49\xbd\x57\x36",    # noqa: E501 line too long
+            info.digest)
+        self.assertEqual(2808, info.size)
+        self.assertEqual("SHA1", info.algorithm)
+
+    def test_gen_and_info_L_utf8(self):
+        digest_file = os.path.join(
+            TMPDIR,
+            "%d__test_gen_and_info_L_utf8.info" % (os.getpid(),))
+        rel_tmpdir = os.path.relpath(TMPDIR, DATADIR)
+        gen_opts = cutils.treesum.gen_generate_opts(
+            directories=[DATADIR],
+            algorithm="SHA1",
+            fnmatch_filters=[("exclude", "glob:%s" % (rel_tmpdir,))],
+            follow_symlinks=cutils.treesum.FollowSymlinkConfig(
+                True, True, True),
+            generator="full",
+            grouping_separator="_",
+            output=digest_file,
+            output_style="tagged",
+            print_size=True,
+            utf8=True)
+        info_opts = cutils.treesum.gen_info_opts(digest_files=[digest_file],
+                                                 last=True)
+        cutils.treesum.generate_treesum(gen_opts)
+        cutils.treesum.print_treesum_digestfile_infos(info_opts)
+        info = cutils.treesum.TreesumInfo.collect_last_from_file(digest_file)
+        self.assertEqual(
+            b"\xb3\xdd\x1b\x93\xec\x3a\xa5\xf1\xb1\xc6\xbd\x8c\x1e\xe1\xd5\xcf\x72\x65\x27\x1d",    # noqa: E501 line too long
+            info.digest)
+        self.assertEqual(2863, info.size)
+        self.assertEqual("SHA1", info.algorithm)
+
+    def test_gen_and_info_L_native(self):
+        digest_file = os.path.join(
+            TMPDIR,
+            "%d__test_gen_and_info_L_native.info" % (os.getpid(),))
+        rel_tmpdir = os.path.relpath(TMPDIR, DATADIR)
+        gen_opts = cutils.treesum.gen_generate_opts(
+            directories=[DATADIR],
+            algorithm="SHA1",
+            fnmatch_filters=[("exclude", "glob:%s" % (rel_tmpdir,))],
+            follow_symlinks=cutils.treesum.FollowSymlinkConfig(
+                True, True, True),
+            generator="full",
+            grouping_separator="_",
+            output=digest_file,
+            output_style="tagged",
+            print_size=True,
+            utf8=False)
+        info_opts = cutils.treesum.gen_info_opts(digest_files=[digest_file],
+                                                 last=True)
+        cutils.treesum.generate_treesum(gen_opts)
+        cutils.treesum.print_treesum_digestfile_infos(info_opts)
+        info = cutils.treesum.TreesumInfo.collect_last_from_file(digest_file)
+        self.assertEqual(
+            b"\xb3\xdd\x1b\x93\xec\x3a\xa5\xf1\xb1\xc6\xbd\x8c\x1e\xe1\xd5\xcf\x72\x65\x27\x1d",    # noqa: E501 line too long
+            info.digest)
+        self.assertEqual(2863, info.size)
+        self.assertEqual("SHA1", info.algorithm)
 
 
 if __name__ == "__main__":
-    print(TMPDIR)
-    sys.exit(unittest.main())
+    sys.exit(unittest.main(buffer=True))