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63defmodule 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