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Contents
module nucleotide_count;
import std.string;
import std.array;
import std.algorithm.sorting: sort;
import std.algorithm.comparison: equal;
unittest
{
// test associative array equality
bool aaEqual (const int[char] lhs, const int[char] rhs)
{
auto lhs_pairs = lhs.byKeyValue.array;
auto rhs_pairs = rhs.byKeyValue.array;
lhs_pairs.sort!(q{a.key < b.key});
rhs_pairs.sort!(q{a.key < b.key});
return equal!("a.key == b.key && a.value == b.value")(lhs_pairs, rhs_pairs);
}
immutable int allTestsEnabled = 0;
// has_no_nucleotides
{
const Counter dna = new Counter("");
const ulong[char] expected = ['A': 0, 'T': 0, 'C': 0, 'G':0];
auto actual = dna.nucleotideCounts();
assert(aaEqual(expected, actual));
}
static if (allTestsEnabled)
{
// has_no_adenosine
{
const Counter dna = new Counter("");
assert(dna.countOne('A') == 0);
}
// repetitive_cytidine_gets_count
{
const Counter dna = new Counter("CCCCC");
assert(dna.countOne('C') == 5);
}
// repetitive_sequence_has_only_guanosine
{
const Counter dna = new Counter("GGGGGGGG");
const ulong[char] expected = ['A': 0, 'T': 0, 'C': 0, 'G': 8];
const auto actual = dna.nucleotideCounts();
assert(aaEqual(expected, actual));
}
// count_only_thymidine
{
const Counter dna = new Counter("GGGGTAACCCGG");
assert(dna.countOne('T') == 1);
}
// count_a_nucleotide_only_once
{
const Counter dna = new Counter("GGTTGG");
dna.countOne('T');
assert(dna.countOne('T') == 2);
}
// validates_nucleotides
{
const Counter dna = new Counter("GGTTGG");
assertThrown(dna.countOne('X'));
}
// count_all_nucleotides)
{
const Counter dna = new Counter("AGCTTTTCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAAAAAGAGTGTCTGATAGCAGC");
const ulong[char] expected = ['A': 20, 'T': 21, 'G': 17, 'C': 12 ];
auto actual = dna.nucleotideCounts();
assert(aaEqual(expected, actual));
}
}
}
void main ()
{
}
Version data entries
181 entries across 181 versions & 1 rubygems