X-Git-Url: http://average.org/gitweb/?a=blobdiff_plain;f=test%2Ftest_black.py;h=cc72eae03d88bfb2f954f824fbafcf68254787cc;hb=057cce452eb53d5fbe365a66669bd8dec7dfe989;hp=519bc23deea55bdcbd3e80fdf6e96ec29f686641;hpb=b84a40a485b0563d572d14e748ad324185584344;p=loctrkd.git

diff --git a/test/test_black.py b/test/test_black.py
index 519bc23..cc72eae 100644
--- a/test/test_black.py
+++ b/test/test_black.py
@@ -1,11 +1,22 @@
 from glob import glob
+from pkg_resources import get_distribution, DistributionNotFound
+from re import match
 from subprocess import run
 from shutil import which
-from unittest import TestCase
+from unittest import main, TestCase, skipUnless
+
+black_version = 0.0
+try:
+    vermatch = match("[\.\d]*", get_distribution("black").version)
+    if vermatch is not None:
+        black_version = float(vermatch.group())
+except DistributionNotFound:
+    pass
 
 
 class BlackFormatter(TestCase):
-    def test_black(self):
+    @skipUnless(black_version >= 21.1, "Do not trust earlier black versions")
+    def test_black(self) -> None:
         if not which("black"):
             self.fail(f"black not installed.")
         cmd = (
@@ -22,3 +33,7 @@ class BlackFormatter(TestCase):
             self.fail(
                 f"black exited with code {output.returncode}:\n{output.stderr.decode()}"
             )
+
+
+if __name__ == "__main__":
+    main()