/* * * 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']); }); }); });