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author | Eric Wong <normalperson@yhbt.net> | 2013-08-25 09:25:07 +0000 |
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committer | Eric Wong <normalperson@yhbt.net> | 2013-08-25 09:29:46 +0000 |
commit | 68ffa097e187da663fa3f537b430428ea5e8de2e (patch) | |
tree | be7d441b68ab8c77a7ebc062c129b5701bf2a5b1 /test/test_source_sox.rb | |
parent | 9cd8e2776edc246950d2c7ebdea833489efb1d1f (diff) | |
download | dtas-68ffa097e187da663fa3f537b430428ea5e8de2e.tar.gz |
We should've done this at the start, but we didn't.
Diffstat (limited to 'test/test_source_sox.rb')
-rw-r--r-- | test/test_source_sox.rb | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/test/test_source_sox.rb b/test/test_source_sox.rb new file mode 100644 index 0000000..6bf5071 --- /dev/null +++ b/test/test_source_sox.rb @@ -0,0 +1,102 @@ +# -*- encoding: binary -*- +# Copyright (C) 2013, Eric Wong <normalperson@yhbt.net> +# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt) +require './test/helper' +require 'dtas/source/sox' +require 'tempfile' + +class TestSource < Minitest::Unit::TestCase + def teardown + @tempfiles.each { |tmp| tmp.close! } + end + + def setup + @tempfiles = [] + end + + def x(cmd) + system(*cmd) + assert $?.success?, cmd.inspect + end + + def new_file(suffix) + tmp = Tempfile.new(%W(tmp .#{suffix})) + @tempfiles << tmp + cmd = %W(sox -r 44100 -b 16 -c 2 -n #{tmp.path} trim 0 1) + return tmp if system(*cmd) + nil + end + + def test_flac + return if `which metaflac`.strip.size == 0 + tmp = new_file('flac') or return + + source = DTAS::Source::Sox.new(tmp.path) + x(%W(metaflac --set-tag=FOO=BAR #{tmp.path})) + x(%W(metaflac --add-replay-gain #{tmp.path})) + assert_equal source.comments["FOO"], "BAR" + rg = source.replaygain + assert_kind_of DTAS::ReplayGain, rg + assert_in_delta 0.0, rg.track_peak.to_f, 0.00000001 + assert_in_delta 0.0, rg.album_peak.to_f, 0.00000001 + assert_operator rg.album_gain.to_f, :>, 1 + assert_operator rg.track_gain.to_f, :>, 1 + end + + def test_mp3gain + return if `which mp3gain`.strip.size == 0 + a = new_file('mp3') or return + b = new_file('mp3') or return + + source = DTAS::Source::Sox.new(a.path) + + # redirect stdout to /dev/null temporarily, mp3gain is noisy + File.open("/dev/null", "w") do |null| + old_out = $stdout.dup + $stdout.reopen(null) + begin + x(%W(mp3gain -q #{a.path} #{b.path})) + ensure + $stdout.reopen(old_out) + old_out.close + end + end + + rg = source.replaygain + assert_kind_of DTAS::ReplayGain, rg + assert_in_delta 0.0, rg.track_peak.to_f, 0.00000001 + assert_in_delta 0.0, rg.album_peak.to_f, 0.00000001 + assert_operator rg.album_gain.to_f, :>, 1 + assert_operator rg.track_gain.to_f, :>, 1 + end + + def test_offset + tmp = new_file('sox') or return + source = DTAS::Source::Sox.new(*%W(#{tmp.path} 5s)) + assert_equal 5, source.offset_samples + + source = DTAS::Source::Sox.new(*%W(#{tmp.path} 1:00:00.5)) + expect = 1 * 60 * 60 * 44100 + (44100/2) + assert_equal expect, source.offset_samples + + source = DTAS::Source::Sox.new(*%W(#{tmp.path} 1:10.5)) + expect = 1 * 60 * 44100 + (10 * 44100) + (44100/2) + assert_equal expect, source.offset_samples + + source = DTAS::Source::Sox.new(*%W(#{tmp.path} 10.03)) + expect = (10 * 44100) + (44100 * 3/100.0) + assert_equal expect, source.offset_samples + end + + def test_offset_us + tmp = new_file('sox') or return + source = DTAS::Source::Sox.new(*%W(#{tmp.path} 441s)) + assert_equal 10000.0, source.offset_us + + source = DTAS::Source::Sox.new(*%W(#{tmp.path} 22050s)) + assert_equal 500000.0, source.offset_us + + source = DTAS::Source::Sox.new(tmp.path, '1') + assert_equal 1000000.0, source.offset_us + end +end |