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Contents
if !System.get_env("EXERCISM_TEST_EXAMPLES") do
Code.load_file("hamming.exs", __DIR__)
end
ExUnit.start()
ExUnit.configure(exclude: :pending, trace: true)
defmodule HammingTest do
use ExUnit.Case
test "no difference between empty strands" do
assert Hamming.hamming_distance('', '') == {:ok, 0}
end
@tag :pending
test "no difference between identical strands" do
assert Hamming.hamming_distance('GGACTGA', 'GGACTGA') == {:ok, 0}
end
@tag :pending
test "small hamming distance in middle somewhere" do
assert Hamming.hamming_distance('GGACG', 'GGTCG') == {:ok, 1}
end
@tag :pending
test "distance with same nucleotides in different locations" do
assert Hamming.hamming_distance('TAG', 'GAT') == {:ok, 2}
end
@tag :pending
test "larger distance" do
assert Hamming.hamming_distance('ACCAGGG', 'ACTATGG') == {:ok, 2}
end
@tag :pending
test "hamming distance is undefined for strands of different lengths" do
assert {:error, "Lists must be the same length"} =
Hamming.hamming_distance('AAAC', 'TAGGGGAGGCTAGCGGTAGGAC')
assert {:error, "Lists must be the same length"} =
Hamming.hamming_distance('GACTACGGACAGGACACC', 'GACATCGC')
end
end
Version data entries
69 entries across 69 versions & 1 rubygems