package utils_test

/* ---------------------------------------------------------------- *
 * UNIT TESTING
 * ---------------------------------------------------------------- */

import (
	"logik/core/utils"
	"strings"
	"testing"

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

/* ---------------------------------------------------------------- *
 * TESTCASE SortStrings
 * ---------------------------------------------------------------- */

func TestSortStrings(test *testing.T) {
	var assert = assert.New(test)
	var list = []string{"katze", "Hund", "baby", "Pluto", "Saturn", "Mond"}
	utils.SortStrings(&list)
	assert.Equal(list, []string{"baby", "Hund", "katze", "Mond", "Pluto", "Saturn"})
}

/* ---------------------------------------------------------------- *
 * TESTCASE SortStrings
 * ---------------------------------------------------------------- */

func TestFilterStrings(test *testing.T) {
	var assert = assert.New(test)
	var list = []string{"abram", "aaron", "aardvark", "aarhus", "alaska", "eel", "aal"}
	var list2 = utils.FilterStrings(&list, func(x string) bool { return strings.HasPrefix(x, "aa") })
	assert.Equal(list2, []string{"aaron", "aardvark", "aarhus", "aal"})
}

/* ---------------------------------------------------------------- *
 * TESTCASE UnionStrings2, UnionStringsTo
 * ---------------------------------------------------------------- */

func TestUnionStrings2(test *testing.T) {
	var assert = assert.New(test)
	var list1 = []string{"red", "blue", "blue", "green", "blue", "grey", "black", "green"}
	var list2 = []string{"yellow", "orange", "lila", "red"}
	var list = utils.UnionStrings2(list1, list2)
	utils.SortStrings(&list)
	assert.Equal(list, []string{"black", "blue", "green", "grey", "lila", "orange", "red", "yellow"})
}

func UnionStringsTo(test *testing.T) {
	var assert = assert.New(test)
	var list1 = []string{"red", "blue", "blue", "green"}
	var list2 = []string{"yellow", "red", "black"}
	utils.UnionStringsTo(&list1, list2)
	utils.SortStrings(&list1)
	assert.Equal(list1, []string{"black", "blue", "green", "red", "yellow"})
}