import { module, test } from 'qunit'; import { setupRenderingTest } from 'ember-qunit'; import { removeFromArray } from '../../../helpers/remove-from-array'; module('Integration | Helper | remove-from-array', function(hooks) { setupRenderingTest(hooks); test('it correctly removes a value from an array without mutating the original', function(assert) { const ARRAY = ['horse', 'cow', 'chicken']; const result = removeFromArray([ARRAY, 'horse']); assert.deepEqual(result, ['cow', 'chicken'], 'Result does not have removed item'); assert.deepEqual(ARRAY, ['horse', 'cow', 'chicken'], 'original array is not mutated'); }); test('it returns the same value if the item is not found', function(assert) { const ARRAY = ['horse', 'cow', 'chicken']; const result = removeFromArray([ARRAY, 'pig']); assert.deepEqual(result, ARRAY, 'Results are the same as original array'); }); test('it fails if the first value is not an array', function(assert) { let result; try { result = removeFromArray(['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 result1 = removeFromArray([ARRAY, 6]); const result2 = removeFromArray([ARRAY, 7]); assert.deepEqual(result1, ['five', '7'], 'removed number value'); assert.deepEqual(result2, ARRAY, 'did not match on different types'); }); test('it de-dupes the result', function(assert) { const ARRAY = ['horse', 'cow', 'chicken', 'cow']; const result = removeFromArray([ARRAY, 'horse']); assert.deepEqual(result, ['cow', 'chicken']); }); });