| /* |
| * |
| * Copyright 2015, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| */ |
| |
| 'use strict'; |
| |
| var Metadata = require('../src/metadata.js'); |
| |
| var assert = require('assert'); |
| |
| describe('Metadata', function() { |
| var metadata; |
| beforeEach(function() { |
| metadata = new Metadata(); |
| }); |
| describe('#set', function() { |
| it('Only accepts string values for non "-bin" keys', function() { |
| assert.throws(function() { |
| metadata.set('key', new Buffer('value')); |
| }); |
| assert.doesNotThrow(function() { |
| metadata.set('key', 'value'); |
| }); |
| }); |
| it('Only accepts Buffer values for "-bin" keys', function() { |
| assert.throws(function() { |
| metadata.set('key-bin', 'value'); |
| }); |
| assert.doesNotThrow(function() { |
| metadata.set('key-bin', new Buffer('value')); |
| }); |
| }); |
| it('Rejects invalid keys', function() { |
| assert.throws(function() { |
| metadata.set('key$', 'value'); |
| }); |
| assert.throws(function() { |
| metadata.set('', 'value'); |
| }); |
| }); |
| it('Rejects values with non-ASCII characters', function() { |
| assert.throws(function() { |
| metadata.set('key', 'résumé'); |
| }); |
| }); |
| it('Saves values that can be retrieved', function() { |
| metadata.set('key', 'value'); |
| assert.deepEqual(metadata.get('key'), ['value']); |
| }); |
| it('Overwrites previous values', function() { |
| metadata.set('key', 'value1'); |
| metadata.set('key', 'value2'); |
| assert.deepEqual(metadata.get('key'), ['value2']); |
| }); |
| it('Normalizes keys', function() { |
| metadata.set('Key', 'value1'); |
| assert.deepEqual(metadata.get('key'), ['value1']); |
| metadata.set('KEY', 'value2'); |
| assert.deepEqual(metadata.get('key'), ['value2']); |
| }); |
| }); |
| describe('#add', function() { |
| it('Only accepts string values for non "-bin" keys', function() { |
| assert.throws(function() { |
| metadata.add('key', new Buffer('value')); |
| }); |
| assert.doesNotThrow(function() { |
| metadata.add('key', 'value'); |
| }); |
| }); |
| it('Only accepts Buffer values for "-bin" keys', function() { |
| assert.throws(function() { |
| metadata.add('key-bin', 'value'); |
| }); |
| assert.doesNotThrow(function() { |
| metadata.add('key-bin', new Buffer('value')); |
| }); |
| }); |
| it('Rejects invalid keys', function() { |
| assert.throws(function() { |
| metadata.add('key$', 'value'); |
| }); |
| assert.throws(function() { |
| metadata.add('', 'value'); |
| }); |
| }); |
| it('Saves values that can be retrieved', function() { |
| metadata.add('key', 'value'); |
| assert.deepEqual(metadata.get('key'), ['value']); |
| }); |
| it('Combines with previous values', function() { |
| metadata.add('key', 'value1'); |
| metadata.add('key', 'value2'); |
| assert.deepEqual(metadata.get('key'), ['value1', 'value2']); |
| }); |
| it('Normalizes keys', function() { |
| metadata.add('Key', 'value1'); |
| assert.deepEqual(metadata.get('key'), ['value1']); |
| metadata.add('KEY', 'value2'); |
| assert.deepEqual(metadata.get('key'), ['value1', 'value2']); |
| }); |
| }); |
| describe('#remove', function() { |
| it('clears values from a key', function() { |
| metadata.add('key', 'value'); |
| metadata.remove('key'); |
| assert.deepEqual(metadata.get('key'), []); |
| }); |
| it('Normalizes keys', function() { |
| metadata.add('key', 'value'); |
| metadata.remove('KEY'); |
| assert.deepEqual(metadata.get('key'), []); |
| }); |
| }); |
| describe('#get', function() { |
| beforeEach(function() { |
| metadata.add('key', 'value1'); |
| metadata.add('key', 'value2'); |
| metadata.add('key-bin', new Buffer('value')); |
| }); |
| it('gets all values associated with a key', function() { |
| assert.deepEqual(metadata.get('key'), ['value1', 'value2']); |
| }); |
| it('Normalizes keys', function() { |
| assert.deepEqual(metadata.get('KEY'), ['value1', 'value2']); |
| }); |
| it('returns an empty list for non-existent keys', function() { |
| assert.deepEqual(metadata.get('non-existent-key'), []); |
| }); |
| it('returns Buffers for "-bin" keys', function() { |
| assert(metadata.get('key-bin')[0] instanceof Buffer); |
| }); |
| }); |
| describe('#getMap', function() { |
| it('gets a map of keys to values', function() { |
| metadata.add('key1', 'value1'); |
| metadata.add('Key2', 'value2'); |
| metadata.add('KEY3', 'value3'); |
| assert.deepEqual(metadata.getMap(), |
| {key1: 'value1', |
| key2: 'value2', |
| key3: 'value3'}); |
| }); |
| }); |
| describe('#clone', function() { |
| it('retains values from the original', function() { |
| metadata.add('key', 'value'); |
| var copy = metadata.clone(); |
| assert.deepEqual(copy.get('key'), ['value']); |
| }); |
| it('Does not see newly added values', function() { |
| metadata.add('key', 'value1'); |
| var copy = metadata.clone(); |
| metadata.add('key', 'value2'); |
| assert.deepEqual(copy.get('key'), ['value1']); |
| }); |
| it('Does not add new values to the original', function() { |
| metadata.add('key', 'value1'); |
| var copy = metadata.clone(); |
| copy.add('key', 'value2'); |
| assert.deepEqual(metadata.get('key'), ['value1']); |
| }); |
| }); |
| }); |