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Versions: 11
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Contents
if !System.get_env("EXERCISM_TEST_EXAMPLES") do
Code.load_file("nucleotide_count.exs", __DIR__)
end
ExUnit.start
ExUnit.configure exclude: :pending, trace: true
defmodule NucleotideCountTest do
use ExUnit.Case
# @tag :pending
test "empty dna string has no adenosine" do
assert NucleotideCount.count('', ?A) == 0
end
@tag :pending
test "repetitive cytidine gets counted" do
assert NucleotideCount.count('CCCCC', ?C) == 5
end
@tag :pending
test "counts only thymidine" do
assert NucleotideCount.count('GGGGGTAACCCGG', ?T) == 1
end
@tag :pending
test "empty dna string has no nucleotides" do
expected = %{?A => 0, ?T => 0, ?C => 0, ?G => 0}
assert NucleotideCount.histogram('') == expected
end
@tag :pending
test "repetitive sequence has only guanosine" do
expected = %{?A => 0, ?T => 0, ?C => 0, ?G => 8}
assert NucleotideCount.histogram('GGGGGGGG') == expected
end
@tag :pending
test "counts all nucleotides" do
s = 'AGCTTTTCATTCTGACTGCAACGGGCAATATGTCTCTGTGTGGATTAAAAAAAGAGTGTCTGATAGCAGC'
expected = %{?A => 20, ?T => 21, ?C => 12, ?G => 17}
assert NucleotideCount.histogram(s) == expected
end
end
Version data entries
11 entries across 11 versions & 1 rubygems