From 406e0fa86d97f912b50689d6b080c2aee69eef86 Mon Sep 17 00:00:00 2001
From: Philipp Gesang <philipp.gesang@intra2net.com>
Date: Tue, 18 Apr 2017 11:59:02 +0200
Subject: [PATCH] allow selecting individual tests with runtests.py

If arguments are passed on the command line, interpret them as
test names and attempt to compose a suite comprising only the
tests specified.

The behavior remains the same if invoked without argument.
---
 runtests.py |   45 +++++++++++++++++++++++++++++++++++++++++++--
 1 files changed, 43 insertions(+), 2 deletions(-)

diff --git a/runtests.py b/runtests.py
index a168d8b..fe2e570 100755
--- a/runtests.py
+++ b/runtests.py
@@ -32,5 +32,46 @@ from testing.test_deltatar import (DeltaTarTest, DeltaTar2Test,
 from testing.test_compression_level import suite
 
 if __name__ == "__main__":
-    unittest.TextTestRunner().run(suite())
-    unittest.main()
+    import sys
+    if len (sys.argv) == 1:
+        unittest.TextTestRunner().run(suite())
+        unittest.main()
+    else:
+        suite = unittest.TestSuite ()
+        def add (n):
+            ret = False
+            for group in [#testing.test_multivol
+                           MultivolGnuFormatTest, MultivolPaxFormatTest
+                         # testing.test_concat_compress
+                         , ConcatCompressTest
+                         # testing.test_rescue_tar
+                         , RescueTarTest
+                         # testing.test_encryption
+                         , EncryptionTest
+                         # testing.test_deltatar
+                         , DeltaTarTest,             DeltaTar2Test
+                         , DeltaTarStreamTest,       DeltaTarGzipTest
+                         , DeltaTarGzipStreamTest,   DeltaTarGzipConcatTest
+                         , DeltaTarGzipAes128ConcatTest
+                         , DeltaTarGzipAes256ConcatTest
+                         , DeltaTarAes128ConcatTest, DeltaTarAes256ConcatTest
+                         ]:
+                try:
+                    t = group (n)
+                except ValueError: # no such test
+                    continue
+                print ("including “%s”" % n)
+                suite.addTest(t)
+                ret = True
+            return ret
+        n = 0
+        for arg in sys.argv [1:]:
+            if add (arg) is True:
+                n += 1
+        if n == 0:
+            print ("ERROR: no valid test name specified, please double-check",
+                   file=sys.stderr)
+            sys.exit (-1)
+        runner = unittest.TextTestRunner ()
+        runner.run (suite)
+
-- 
1.7.1