diff options
Diffstat (limited to 'test/helper.rb')
-rw-r--r-- | test/helper.rb | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/test/helper.rb b/test/helper.rb index 1812e99..397d2c3 100644 --- a/test/helper.rb +++ b/test/helper.rb @@ -99,3 +99,11 @@ class Dir end end end unless Dir.respond_to?(:mktmpdir) + +def guitar_pluck(outfile) + outfile =~ %r{\A[\w\./-]+\z} or raise ArgumentError, "bad chars" + cmd = '(for n in E2 A2 D3 G3 B3 E4; do '\ + 'sox -n -ts32 -c2 -r44100 - synth 4 pluck $n; done ) | ' \ + "sox -ts32 -c2 -r44100 - #{outfile}" + assert_equal(true, system(cmd), cmd) +end |