| /* |
| * |
| * Copyright 2015 gRPC authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| |
| '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']); |
| }); |
| }); |
| }); |