From af4979ef2d4c7683a2b927686beaca74ce789f91 Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Sun, 6 Jul 2014 22:45:23 +0000
Subject: tests: hoist out pluck generation

This allows the same sound to be reused in tests.
---
 test/helper.rb | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'test/helper.rb')

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
-- 
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