test-pattern: substitute common compression list
The compression list as to be matched with a glob because zstd might not be part
of the option. By using a substitution for these, we won't have to re-glob them
over and over.
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/common-pattern.py Sun Nov 05 06:41:38 2017 +0100
@@ -0,0 +1,9 @@
+# common patterns in test at can safely be replaced
+from __future__ import absolute_import
+
+substitutions = [
+ # list of possible compressions
+ (br'zstd,zlib,none,bzip2',
+ br'$USUAL_COMPRESSIONS$'
+ ),
+]