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Versions: 163
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Contents
#!/usr/bin/env ruby
gem 'minitest', '>= 5.0.0'
require 'minitest/autorun'
require_relative 'nucleotide_count'
class NucleotideTest < Minitest::Test
def test_empty_dna_strand_has_no_adenosine
assert_equal 0, Nucleotide.from_dna('').count('A')
end
def test_repetitive_cytidine_gets_counted
skip
assert_equal 5, Nucleotide.from_dna('CCCCC').count('C')
end
def test_counts_only_thymidine
skip
assert_equal 1, Nucleotide.from_dna('GGGGGTAACCCGG').count('T')
end
def test_counts_a_nucleotide_only_once
skip
dna = Nucleotide.from_dna('CGATTGGG')
dna.count('T')
dna.count('T')
assert_equal 2, dna.count('T')
end
def test_empty_dna_strand_has_no_nucleotides
skip
expected = { 'A' => 0, 'T' => 0, 'C' => 0, 'G' => 0 }
assert_equal expected, Nucleotide.from_dna('').histogram
end
def test_repetitive_sequence_has_only_guanosine
skip
expected = { 'A' => 0, 'T' => 0, 'C' => 0, 'G' => 8 }
assert_equal expected, Nucleotide.from_dna('GGGGGGGG').histogram
end
def test_counts_all_nucleotides
skip
s = 'AGCTTTTCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAAAAAGAGTGTCTGATAGCAGC'
dna = Nucleotide.from_dna(s)
expected = { 'A' => 20, 'T' => 21, 'G' => 17, 'C' => 12 }
assert_equal expected, dna.histogram
end
def test_validates_dna
skip
assert_raises ArgumentError do
Nucleotide.from_dna('JOHNNYAPPLESEED')
end
end
end
Version data entries
163 entries across 163 versions & 1 rubygems