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elixir-koans/test/test_helper.exs
2016-04-27 15:53:37 -05:00

33 lines
762 B
Elixir

ExUnit.start()
defmodule TestHarness do
import ExUnit.Assertions
def test_all(module, answers) do
module.all_koans
|> check_answer_count(answers, module)
|> Enum.zip(answers)
|> run_all(module)
|> check_results
end
defp check_answer_count(koans, answers, module) do
koans_count = length(koans)
answer_count = length(answers)
if length(koans) > length(answers) do
raise "Answer missing for #{module}. #{koans_count} koans, but only #{answer_count} answers."
else
koans
end
end
defp check_results(results) do
Enum.each(results, &(assert &1 == :passed))
end
def run_all(pairs, module) do
Enum.map(pairs, fn ({koan, answer}) -> Execute.run_koan(module, koan, [answer]) end)
end
end