high-school-sweetheart

elixir/high-school-sweetheart/test/high_school_sweetheart_test.exs

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+defmodule HighSchoolSweetheartTest do
+  use ExUnit.Case
+
+  describe "first_letter/1" do
+    @tag task_id: 1
+    test "it gets the first letter" do
+      assert HighSchoolSweetheart.first_letter("Mary") == "M"
+    end
+
+    @tag task_id: 1
+    test "it doesn't change the letter's case" do
+      assert HighSchoolSweetheart.first_letter("john") == "j"
+    end
+
+    @tag task_id: 1
+    test "it strips extra whitespace" do
+      assert HighSchoolSweetheart.first_letter("\n\t   Sarah   ") == "S"
+    end
+  end
+
+  describe "initial/1" do
+    @tag task_id: 2
+    test "it gets the first letter and appends a dot" do
+      assert HighSchoolSweetheart.initial("Betty") == "B."
+    end
+
+    @tag task_id: 2
+    test "it uppercases the first letter" do
+      assert HighSchoolSweetheart.initial("james") == "J."
+    end
+  end
+
+  describe "initials/1" do
+    @tag task_id: 3
+    test "returns the initials for the first name and the last name" do
+      assert HighSchoolSweetheart.initials("Linda Miller") == "L. M."
+    end
+  end
+
+  describe "pair/2" do
+    @tag task_id: 4
+    test "prints the pair's initials inside a heart" do
+      assert HighSchoolSweetheart.pair("Avery Bryant", "Charlie Dixon") ==
+               """
+                    ******       ******
+                  **      **   **      **
+                **         ** **         **
+               **            *            **
+               **                         **
+               **     A. B.  +  C. D.     **
+                **                       **
+                  **                   **
+                    **               **
+                      **           **
+                        **       **
+                          **   **
+                            ***
+                             *
+               """
+    end
+  end
+end

elixir/high-school-sweetheart/test/test_helper.exs

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+ExUnit.start()
+ExUnit.configure(exclude: :pending, trace: true, seed: 0)