Sha256: 022b7ebeed5a389bbe69e40f84a7b038888a5f5c953eb4a24f8204f11dc525d2
Contents?: true
Size: 1.25 KB
Versions: 303
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Stored size: 1.25 KB
Contents
#!/usr/bin/env perl
use warnings;
use strict;
use Test::More tests => 10;
use FindBin;
my $dir;
BEGIN { $dir = $FindBin::Bin . '/' };
use lib $dir;
my $module = $ENV{EXERCISM} ? 'Example' : 'NucleotideCount';
use_ok($module) or BAIL_OUT "You need to create a module called $module.pm";
sub new_dna {
no strict 'refs';
$module->new(@_);
}
is new_dna('')->count('A'), 0, 'empty dna string has no adenosine';
is_deeply new_dna('')->nucleotide_counts, { A => 0, T => 0, C => 0, G => 0, },
'empty dna tring has no nucleotides';
is new_dna('CCCCC')->count('C'), 5, 'repetitive cytidine gets counted';
is_deeply new_dna('GGGGGGGG')->nucleotide_counts, { A => 0, T => 0, C => 0, G => 8, },
'repititve sequence has only guanosine';
is new_dna('GGGGGTAACCCGG')->count('T'), 1, 'counts only thymidine';
for (1) {
my $dna = new_dna('CGATTGGG');
$dna->count('T');
is $dna->count('T'), 2, 'counts a nucleotide only once';
}
eval { new_dna('GACT')->count('X') };
like $@, qr/invalid/i, 'validates nucleotides';
eval { new_dna('JOHNNYAPPLESEED') };
like $@, qr/invalid/i, 'validates dna';
is_deeply new_dna('AGCTTTTCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAAAAAGAGTGTCTGATAGCAGC')->nucleotide_counts,
{ A => 20, T => 21, G => 17, C => 12, },
'counts all nucleotides';
Version data entries
303 entries across 303 versions & 1 rubygems