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defmodule ServerTest do
use ExUnit.Case
doctest Server
describe "semiprime" do
test "returns the factors when the number is semiprime" do
# Semiprimes below 30
[
{4, [2, 2]},
{6, [2, 3]},
{9, [3, 3]},
{10, [2, 5]},
{14, [2, 7]},
{15, [3, 5]},
{21, [3, 7]},
{22, [2, 11]},
{25, [5, 5]},
{26, [2, 13]}
]
|> Enum.each(fn {input, expected} ->
assert Server.semiprime(input) == expected
end)
end
test "returns nothing when the number is a composite number" do
# Composite numbers below 30
[1, 2, 3, 5, 7, 8, 11, 12, 13, 16, 17, 18, 19, 20, 23, 24, 27, 28, 29]
|> Enum.each(fn x ->
assert Server.semiprime(x) == nil
end)
end
end
end
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