subtree(users/wpcarro): docking briefcase at '24f5a642'

git-subtree-dir: users/wpcarro
git-subtree-mainline: 464bbcb15c
git-subtree-split: 24f5a642af
Change-Id: I6105b3762b79126b3488359c95978cadb3efa789

users/wpcarro/assessments/semiprimes/server/test/math_test.exs

@@ -0,0 +1,30 @@
+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