package utils

import (
	"testing"

	"github.com/stretchr/testify/assert"
)

func TestSplitLines(t *testing.T) {
	type scenario struct {
		multilineString string
		expected        []string
	}

	scenarios := []scenario{
		{
			"",
			[]string{},
		},
		{
			"\n",
			[]string{},
		},
		{
			"hello world !\nhello universe !\n",
			[]string{
				"hello world !",
				"hello universe !",
			},
		},
	}

	for _, s := range scenarios {
		assert.EqualValues(t, s.expected, SplitLines(s.multilineString))
	}
}

func TestWithPadding(t *testing.T) {
	type scenario struct {
		str      string
		padding  int
		expected string
	}

	scenarios := []scenario{
		{
			"hello world !",
			1,
			"hello world !",
		},
		{
			"hello world !",
			14,
			"hello world ! ",
		},
	}

	for _, s := range scenarios {
		assert.EqualValues(t, s.expected, WithPadding(s.str, s.padding))
	}
}

func TestTrimTrailingNewline(t *testing.T) {
	type scenario struct {
		str      string
		expected string
	}

	scenarios := []scenario{
		{
			"hello world !\n",
			"hello world !",
		},
		{
			"hello world !",
			"hello world !",
		},
	}

	for _, s := range scenarios {
		assert.EqualValues(t, s.expected, TrimTrailingNewline(s.str))
	}
}