2 $:.unshift File.join(File.dirname(__FILE__),'..','lib')
4 # Copyright (C) 2007-2010 Martin A. Hansen.
6 # This program is free software; you can redistribute it and/or
7 # modify it under the terms of the GNU General Public License
8 # as published by the Free Software Foundation; either version 2
9 # of the License, or (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
20 # http://www.gnu.org/copyleft/gpl.html
22 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
24 # This software is part of the Biopieces framework (www.biopieces.org).
26 # >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>><<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
29 require 'maasha/seq/patternmatcher'
34 include PatternMatcher
37 class TestPatternMatcher < Test::Unit::TestCase
40 @p = Seq.new("test", "atcg")
43 def test_PatternMatcher_no_match_returns_nil
44 assert_nil(@p.patmatch("gggg"))
47 def test_PatternMatcher_patmatch_perfect_returns_correctly
48 m = @p.patmatch("atcg")
49 assert_equal(0, m.beg)
50 assert_equal("atcg", m.match)
51 assert_equal(0, m.mis)
52 assert_equal(0, m.ins)
53 assert_equal(0, m.del)
54 assert_equal(4, m.length)
57 def test_PatternMatcher_patmatch_perfect_with_ambiguity_codes_returns_correctly
58 m = @p.patmatch("nnnn")
59 assert_equal(0, m.beg)
60 assert_equal("atcg", m.match)
61 assert_equal(0, m.mis)
62 assert_equal(0, m.ins)
63 assert_equal(0, m.del)
64 assert_equal(4, m.length)
67 def test_PatternMatcher_patmatch_with_one_mismatch_and_edit_dist_zero_returns_nil
68 assert_nil(@p.patmatch("aCcg"))
71 def test_PatternMatcher_patmatch_with_one_mismatch_and_edit_dist_one_returns_correctly
72 m = @p.patmatch("aCcg", 0, 1)
73 assert_equal(0, m.beg)
74 assert_equal("atcg", m.match)
75 assert_equal(1, m.mis)
76 assert_equal(0, m.ins)
77 assert_equal(0, m.del)
78 assert_equal(4, m.length)
81 def test_PatternMatcher_patmatch_with_two_mismatch_and_edit_dist_one_returns_nil
82 assert_nil(@p.patmatch("aGcA", 0, 1))
85 def test_PatternMatcher_patmatch_with_one_insertion_and_edit_dist_zero_returns_nil
86 assert_nil(@p.patmatch("atGcg"))
89 def test_PatternMatcher_patmatch_with_one_insertion_and_edit_dist_one_returns_correctly
90 m = @p.patmatch("atGcg", 0, 1)
91 assert_equal(0, m.beg)
92 assert_equal("atcg", m.match)
93 assert_equal(0, m.mis)
94 assert_equal(1, m.ins)
95 assert_equal(0, m.del)
96 assert_equal(4, m.length)
99 def test_PatternMatcher_patmatch_with_two_insertions_and_edit_dist_one_returns_nil
100 assert_nil(@p.patmatch("atGcTg", 0, 1))
103 def test_PatternMatcher_patmatch_with_two_insertions_and_edit_dist_two_returns_correctly
104 m = @p.patmatch("atGcTg", 0, 2)
105 assert_equal(0, m.beg)
106 assert_equal("atcg", m.match)
107 assert_equal(0, m.mis)
108 assert_equal(2, m.ins)
109 assert_equal(0, m.del)
110 assert_equal(4, m.length)
113 def test_PatternMatcher_patmatch_with_one_deletion_and_edit_distance_zero_returns_nil
114 assert_nil(@p.patmatch("acg"))
117 def test_PatternMatcher_patmatch_with_one_deletion_and_edit_distance_one_returns_correctly
118 m = @p.patmatch("acg", 0, 1)
119 assert_equal(0, m.beg)
120 assert_equal("atcg", m.match)
121 assert_equal(0, m.mis)
122 assert_equal(0, m.ins)
123 assert_equal(1, m.del)
124 assert_equal(4, m.length)
127 def test_PatternMatcher_patscan_locates_three_patterns_ok
128 p = Seq.new("test", "ataacgagctagctagctagctgactac")
129 assert_equal(3, p.patscan("tag").count)
132 def test_PatternMatcher_patscan_with_pos_locates_two_patterns_ok
133 p = Seq.new("test", "ataacgagctagctagctagctgactac")
134 assert_equal(2, p.patscan("tag", 10).count)