package main

import "testing"

func TestPhoneticLetters(t *testing.T) {
	t.Log("This is the test suite for phonetic-letters")
	t.Run("Test the application with one string", testWithOneString)
	t.Run("Test the application with two strings", testWithTwoStrings)
	t.Run("Test the application with numbers and symbols", testWithNumbersAndSymbols)
}

func testWithOneString(t *testing.T) {
	input := "phonetic"

	got := phoneticLetters(input)

	want := `P - Papa
H - Hotel
O - Oscar
N - November
E - Echo
T - Tango
I - India
C - Charlie
`

	if want != got {
		t.Errorf("Unexpected result returned from phoneticLetters(); want %s, got %s", want, got)
	}
}

func testWithTwoStrings(t *testing.T) {
	input := []string{"three", "coins"}

	got := phoneticLetters(input...)

	want := `T - Tango
H - Hotel
R - Romeo
E - Echo
E - Echo
C - Charlie
O - Oscar
I - India
N - November
S - Sierra
`

	if want != got {
		t.Errorf("Unexpected result returned from phoneticLetters(); want %s, got %s", want, got)
	}
}

func testWithNumbersAndSymbols(t *testing.T) {
	input := "Hello, 8 Worlds!"

	got := phoneticLetters(input)

	want := `H - Hotel
E - Echo
L - Lima
L - Lima
O - Oscar
W - Whiskey
O - Oscar
R - Romeo
L - Lima
D - Delta
S - Sierra
`

	if want != got {
		t.Errorf("Unexpected result returned from phoneticLetters(); want %s, got %s", want, got)
	}
}