From efd81f4f6be4e91225aa893787d4ede84b46ed5e Mon Sep 17 00:00:00 2001
From: Eric Wong <e@80x24.org>
Date: Mon, 26 Dec 2016 23:04:57 +0000
Subject: introduce mcache class for caching audio metadata

We often waste cycles rerunning commands we don't need
to run frequently.  Introduce a short term cache for
these.
---
 test/test_mcache.rb | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 test/test_mcache.rb

(limited to 'test')

diff --git a/test/test_mcache.rb b/test/test_mcache.rb
new file mode 100644
index 0000000..6957021
--- /dev/null
+++ b/test/test_mcache.rb
@@ -0,0 +1,19 @@
+# Copyright (C) 2016 all contributors <dtas-all@nongnu.org>
+# License: GPL-3.0+ <https://www.gnu.org/licenses/gpl-3.0.txt>
+# frozen_string_literal: true
+require './test/helper'
+require 'dtas/mcache'
+
+class TestMcache < Testcase
+  def test_mcache
+    mc = DTAS::Mcache.new
+    exist = nil
+    mc.lookup('hello') { |infile, hash| exist = hash }
+    assert_kind_of Hash, exist
+    assert_equal 'hello', exist[:infile]
+    assert_operator exist[:btime], :<=, DTAS.now
+    assert_same exist, mc.lookup('hello')
+    assert_nil mc.lookup('HELLO')
+    assert_same exist, mc.lookup('hello'), 'no change after miss'
+  end
+end
-- 
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