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authorEric Wong <e@80x24.org>2015-01-20 02:19:08 +0000
committerEric Wong <e@80x24.org>2015-01-20 02:19:08 +0000
commit9bf21db1e0ad815187b8c93ef985ef591a606645 (patch)
treef6e9148fbd57340545cfc61ad24f717a6e327f4f /test/test_tfx.rb
parent65bb4baf0e479ff7cfbf0a8422824834c9f06ab1 (diff)
downloaddtas-9bf21db1e0ad815187b8c93ef985ef591a606645.tar.gz
TrimFX was too ambiguous with the common environment variable we
use throughout dtas.  Since TFX is more limited in scope but
should be more frequently-typed by users (of -splitfx) we'll use
the shorter name here.
Diffstat (limited to 'test/test_tfx.rb')
-rw-r--r--test/test_tfx.rb85
1 files changed, 85 insertions, 0 deletions
diff --git a/test/test_tfx.rb b/test/test_tfx.rb
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+++ b/test/test_tfx.rb
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+# Copyright (C) 2013-2015 all contributors <dtas-all@nongnu.org>
+# License: GPLv3 or later (https://www.gnu.org/licenses/gpl-3.0.txt)
+require './test/helper'
+require 'dtas/tfx'
+require 'dtas/format'
+require 'yaml'
+
+class TestTFX < Testcase
+  def rate
+    44100
+  end
+
+  def test_example
+    ex = YAML.load(File.read("examples/tfx.sample.yml"))
+    effects = []
+    ex["effects"].each do |line|
+      words = Shellwords.split(line)
+      case words[0]
+      when "trim"
+        tfx = DTAS::TFX.new(words)
+        assert_equal 52 * rate, tfx.tbeg
+        assert_equal rate, tfx.tlen
+        effects << tfx
+      end
+    end
+    assert_equal 4, effects.size
+  end
+
+  def test_all
+    tfx = DTAS::TFX.new(%w(all))
+    assert_equal 0, tfx.tbeg
+    assert_nil tfx.tlen
+    assert_equal [], tfx.to_sox_arg
+  end
+
+  def test_time
+    tfx = DTAS::TFX.new(%w(trim 2:30 3.1))
+    assert_equal 150 * rate, tfx.tbeg
+    assert_equal((3.1 * rate).round, tfx.tlen)
+  end
+
+  def test_to_sox_arg
+    tfx = DTAS::TFX.new(%w(trim 1 0.5))
+    assert_equal %w(trim 44100s 22050s), tfx.to_sox_arg
+
+    tfx = DTAS::TFX.new(%w(trim 1 sox vol -1dB))
+    assert_equal %w(trim 44100s), tfx.to_sox_arg
+  end
+
+  def test_tfx_effects
+    tfx = DTAS::TFX.new(%w(trim 1 sox vol -1dB))
+    assert_equal %w(sox $SOXIN $SOXOUT $TRIMFX vol -1dB), tfx.cmd
+  end
+
+  def test_schedule_simple
+    fx = [
+      DTAS::TFX.new(%w(trim 1 0.3)),
+      DTAS::TFX.new(%w(trim 2 0.2)),
+      DTAS::TFX.new(%w(trim 0.5 0.5)),
+    ].shuffle
+    ary = DTAS::TFX.schedule(fx)
+    assert_operator 1, :==, ary.size
+    assert_equal [ 22050, 44100, 88200 ], ary[0].map(&:tbeg)
+    assert_equal [ 22050, 13230, 8820 ], ary[0].map(&:tlen)
+  end
+
+  def test_schedule_overlaps
+    fx = [
+      DTAS::TFX.new(%w(trim 1 0.3 sox)),
+      DTAS::TFX.new(%w(trim 1.1 0.2 sox)),
+      DTAS::TFX.new(%w(trim 0.5 0.5 sox)),
+    ]
+    ary = DTAS::TFX.schedule(fx)
+    assert_equal 2, ary.size
+    assert_equal [ 22050, 44100 ], ary[0].map(&:tbeg)
+    assert_equal [ 48510 ], ary[1].map(&:tbeg)
+
+    ex = DTAS::TFX.expand(fx, 10 * rate)
+    assert_equal 2, ex.size
+    assert_equal 0, ex[0][0].tbeg
+    assert_equal 3, ex[0].size
+    assert_equal 0, ex[1][0].tbeg
+    assert_equal 3, ex[1].size
+  end
+end