moving digest.rb

[biopieces.git] / code_ruby / test / maasha / seq / test_digest.rb

diff --git a/code_ruby/test/maasha/seq/test_digest.rb b/code_ruby/test/maasha/seq/test_digest.rb
new file mode 100755 (executable)
index 0000000..979e081
--- /dev/null
+++ b/code_ruby/test/maasha/seq/test_digest.rb
@@ -0,0 +1,59 @@
+#!/usr/bin/env ruby
+$:.unshift File.join(File.dirname(__FILE__),'..','lib')
+
+# Copyright (C) 2007-2011 Martin A. Hansen.
+
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+# http://www.gnu.org/copyleft/gpl.html
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+# This software is part of the Biopieces framework (www.biopieces.org).
+
+# >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
+
+require 'maasha/seq'
+require 'test/unit'
+require 'pp'
+
+class TestDigest < Test::Unit::TestCase 
+  def test_Digest_each_digest_raises_on_bad_pattern_residue
+    entry = Seq.new
+    assert_raise(DigestError) { entry.each_digest("X", 4) }
+  end
+
+  def test_Digest_each_digest_dont_raise_on_ok_pattern_residue
+    entry = Seq.new("test", "atcg")
+    assert_nothing_raised { entry.each_digest("AGCUTRYWSMKHDVBNagcutrywsmkhdvbn", 4) }
+  end
+
+  def test_Digest_each_digest_with_no_match_returns_correctly
+    entry = Seq.new("test", "aaaaaaaaaaa")
+    assert_equal(entry.seq, entry.each_digest("CGCG", 1).first.seq)
+  end
+
+  def test_Digest_each_digest_with_matches_returns_correctly
+    entry = Seq.new("test", "TTTTaaaaTTTTbbbbTTTT")
+    seqs  = entry.each_digest("TTNT", 1)
+    assert_equal("T", seqs[0].seq)
+    assert_equal("TTTaaaaT", seqs[1].seq)
+    assert_equal("TTTbbbbT", seqs[2].seq)
+    assert_equal("TTT",      seqs[3].seq)
+  end
+end
+
+
+__END__