42 lines
1.4 KiB
JavaScript
42 lines
1.4 KiB
JavaScript
/**
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* Copyright (c) HashiCorp, Inc.
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* SPDX-License-Identifier: MPL-2.0
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*/
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import { module, test } from 'qunit';
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import { setupRenderingTest } from 'ember-qunit';
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import { addToArray } from '../../../helpers/add-to-array';
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module('Integration | Helper | add-to-array', function (hooks) {
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setupRenderingTest(hooks);
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test('it correctly adds a value to an array without mutating the original', function (assert) {
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const ARRAY = ['horse', 'cow', 'chicken'];
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const result = addToArray([ARRAY, 'pig']);
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assert.deepEqual(result, [...ARRAY, 'pig'], 'Result has additional item');
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assert.deepEqual(ARRAY, ['horse', 'cow', 'chicken'], 'original array is not mutated');
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});
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test('it fails if the first value is not an array', function (assert) {
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let result;
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try {
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result = addToArray(['not-array', 'string']);
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} catch (e) {
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result = e.message;
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}
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assert.strictEqual(result, 'Assertion Failed: Value provided is not an array');
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});
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test('it works with non-string arrays', function (assert) {
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const ARRAY = ['five', 6, '7'];
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const result = addToArray([ARRAY, 10]);
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assert.deepEqual(result, ['five', 6, '7', 10], 'added number value');
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});
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test('it de-dupes the result', function (assert) {
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const ARRAY = ['horse', 'cow', 'chicken'];
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const result = addToArray([ARRAY, 'horse']);
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assert.deepEqual(result, ['horse', 'cow', 'chicken']);
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});
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});
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