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| 1 | +/* |
| 2 | + * Copyright 2019 gRPC authors. |
| 3 | + * |
| 4 | + * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | + * you may not use this file except in compliance with the License. |
| 6 | + * You may obtain a copy of the License at |
| 7 | + * |
| 8 | + * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | + * |
| 10 | + * Unless required by applicable law or agreed to in writing, software |
| 11 | + * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | + * See the License for the specific language governing permissions and |
| 14 | + * limitations under the License. |
| 15 | + * |
| 16 | + */ |
| 17 | + |
| 18 | +// Allow `any` data type for testing runtime type checking. |
| 19 | +// tslint:disable no-any |
| 20 | +import * as assert from 'assert'; |
| 21 | +import * as resolverManager from '../src/resolver'; |
| 22 | +import { ServiceConfig } from '../src/service-config'; |
| 23 | +import { StatusObject } from '../src/call-stream'; |
| 24 | + |
| 25 | +describe('Name Resolver', () => { |
| 26 | + describe('DNS Names', () => { |
| 27 | + before(() => { |
| 28 | + resolverManager.registerAll(); |
| 29 | + }); |
| 30 | + it('Should resolve localhost properly', done => { |
| 31 | + const target = 'localhost:50051'; |
| 32 | + const listener: resolverManager.ResolverListener = { |
| 33 | + onSuccessfulResolution: ( |
| 34 | + addressList: string[], |
| 35 | + serviceConfig: ServiceConfig | null, |
| 36 | + serviceConfigError: StatusObject | null |
| 37 | + ) => { |
| 38 | + assert(addressList.includes('127.0.0.1:50051')); |
| 39 | + // We would check for the IPv6 address but it needs to be omitted on some Node versions |
| 40 | + done(); |
| 41 | + }, |
| 42 | + onError: (error: StatusObject) => { |
| 43 | + done(new Error(`Failed with status ${error.details}`)); |
| 44 | + }, |
| 45 | + }; |
| 46 | + const resolver = resolverManager.createResolver(target, listener); |
| 47 | + resolver.updateResolution(); |
| 48 | + }); |
| 49 | + it('Should default to port 443', done => { |
| 50 | + const target = 'localhost'; |
| 51 | + const listener: resolverManager.ResolverListener = { |
| 52 | + onSuccessfulResolution: ( |
| 53 | + addressList: string[], |
| 54 | + serviceConfig: ServiceConfig | null, |
| 55 | + serviceConfigError: StatusObject | null |
| 56 | + ) => { |
| 57 | + assert(addressList.includes('127.0.0.1:443')); |
| 58 | + // We would check for the IPv6 address but it needs to be omitted on some Node versions |
| 59 | + done(); |
| 60 | + }, |
| 61 | + onError: (error: StatusObject) => { |
| 62 | + done(new Error(`Failed with status ${error.details}`)); |
| 63 | + }, |
| 64 | + }; |
| 65 | + const resolver = resolverManager.createResolver(target, listener); |
| 66 | + resolver.updateResolution(); |
| 67 | + }); |
| 68 | + it('Should resolve a public address', done => { |
| 69 | + const target = 'example.com'; |
| 70 | + const listener: resolverManager.ResolverListener = { |
| 71 | + onSuccessfulResolution: ( |
| 72 | + addressList: string[], |
| 73 | + serviceConfig: ServiceConfig | null, |
| 74 | + serviceConfigError: StatusObject | null |
| 75 | + ) => { |
| 76 | + assert(addressList.length > 0); |
| 77 | + done(); |
| 78 | + }, |
| 79 | + onError: (error: StatusObject) => { |
| 80 | + done(new Error(`Failed with status ${error.details}`)); |
| 81 | + }, |
| 82 | + }; |
| 83 | + const resolver = resolverManager.createResolver(target, listener); |
| 84 | + resolver.updateResolution(); |
| 85 | + }); |
| 86 | + it('Should resolve a name with multiple dots', done => { |
| 87 | + const target = 'loopback4.unittest.grpc.io'; |
| 88 | + const listener: resolverManager.ResolverListener = { |
| 89 | + onSuccessfulResolution: ( |
| 90 | + addressList: string[], |
| 91 | + serviceConfig: ServiceConfig | null, |
| 92 | + serviceConfigError: StatusObject | null |
| 93 | + ) => { |
| 94 | + assert(addressList.length > 0); |
| 95 | + done(); |
| 96 | + }, |
| 97 | + onError: (error: StatusObject) => { |
| 98 | + done(new Error(`Failed with status ${error.details}`)); |
| 99 | + }, |
| 100 | + }; |
| 101 | + const resolver = resolverManager.createResolver(target, listener); |
| 102 | + resolver.updateResolution(); |
| 103 | + }); |
| 104 | + it('Should resolve a name with a hyphen', done => { |
| 105 | + /* TODO(murgatroid99): Find or create a better domain name to test this with. |
| 106 | + * This is just the first one I found with a hyphen. */ |
| 107 | + const target = 'network-tools.com'; |
| 108 | + const listener: resolverManager.ResolverListener = { |
| 109 | + onSuccessfulResolution: ( |
| 110 | + addressList: string[], |
| 111 | + serviceConfig: ServiceConfig | null, |
| 112 | + serviceConfigError: StatusObject | null |
| 113 | + ) => { |
| 114 | + assert(addressList.length > 0); |
| 115 | + done(); |
| 116 | + }, |
| 117 | + onError: (error: StatusObject) => { |
| 118 | + done(new Error(`Failed with status ${error.details}`)); |
| 119 | + }, |
| 120 | + }; |
| 121 | + const resolver = resolverManager.createResolver(target, listener); |
| 122 | + resolver.updateResolution(); |
| 123 | + }); |
| 124 | + }); |
| 125 | +}); |
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