import { module, test } from 'qunit';
import { setupRenderingTest } from 'ember-qunit';
import { addToArray } from '../../../helpers/add-to-array';
module('Integration | Helper | add-to-array', function (hooks) {
setupRenderingTest(hooks);
test('it correctly adds a value to an array without mutating the original', function (assert) {
const ARRAY = ['horse', 'cow', 'chicken'];
const result = addToArray([ARRAY, 'pig']);
assert.deepEqual(result, [...ARRAY, 'pig'], 'Result has additional item');
assert.deepEqual(ARRAY, ['horse', 'cow', 'chicken'], 'original array is not mutated');
});
test('it fails if the first value is not an array', function (assert) {
let result;
try {
result = addToArray(['not-array', 'string']);
} catch (e) {
result = e.message;
}
assert.equal('Assertion Failed: Value provided is not an array', result);
test('it works with non-string arrays', function (assert) {
const ARRAY = ['five', 6, '7'];
const result = addToArray([ARRAY, 10]);
assert.deepEqual(result, ['five', 6, '7', 10], 'added number value');
test('it de-dupes the result', function (assert) {
const result = addToArray([ARRAY, 'horse']);
assert.deepEqual(result, ['horse', 'cow', 'chicken']);