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defmodule MathTest do
use ExUnit.Case
doctest Math
describe "factor" do
test "returns the prime factors for an input" do
[
{15, [3, 5]},
{12, [2, 2, 3]},
{9, [3, 3]},
{21, [3, 7]}
]
|> Enum.map(fn {input, expected} ->
assert Math.factor(input) == expected
end)
end
test "handles large numbers" do
assert Math.factor(104_023) == [17, 29, 211]
end
test "returns an empty list for 1" do
assert Math.factor(1) == []
end
test "returns the prime number itself when the input is prime" do
assert Math.factor(7) == [7]
end
end
end
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