| /* |
| * |
| * 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 assert = require('assert'); |
| |
| var health = require('../health_check/health'); |
| |
| var health_messages = require('../health_check/v1/health_pb'); |
| |
| var ServingStatus = health_messages.HealthCheckResponse.ServingStatus; |
| |
| var grpc = require('../'); |
| |
| describe('Health Checking', function() { |
| var statusMap = { |
| '': ServingStatus.SERVING, |
| 'grpc.test.TestServiceNotServing': ServingStatus.NOT_SERVING, |
| 'grpc.test.TestServiceServing': ServingStatus.SERVING |
| }; |
| var healthServer; |
| var healthImpl; |
| var healthClient; |
| before(function() { |
| healthServer = new grpc.Server(); |
| healthImpl = new health.Implementation(statusMap); |
| healthServer.addService(health.service, healthImpl); |
| var port_num = healthServer.bind('0.0.0.0:0', |
| grpc.ServerCredentials.createInsecure()); |
| healthServer.start(); |
| healthClient = new health.Client('localhost:' + port_num, |
| grpc.credentials.createInsecure()); |
| }); |
| after(function() { |
| healthServer.forceShutdown(); |
| }); |
| it('should say an enabled service is SERVING', function(done) { |
| var request = new health_messages.HealthCheckRequest(); |
| request.setService(''); |
| healthClient.check(request, function(err, response) { |
| assert.ifError(err); |
| assert.strictEqual(response.getStatus(), ServingStatus.SERVING); |
| done(); |
| }); |
| }); |
| it('should say that a disabled service is NOT_SERVING', function(done) { |
| var request = new health_messages.HealthCheckRequest(); |
| request.setService('grpc.test.TestServiceNotServing'); |
| healthClient.check(request, function(err, response) { |
| assert.ifError(err); |
| assert.strictEqual(response.getStatus(), ServingStatus.NOT_SERVING); |
| done(); |
| }); |
| }); |
| it('should say that an enabled service is SERVING', function(done) { |
| var request = new health_messages.HealthCheckRequest(); |
| request.setService('grpc.test.TestServiceServing'); |
| healthClient.check(request, function(err, response) { |
| assert.ifError(err); |
| assert.strictEqual(response.getStatus(), ServingStatus.SERVING); |
| done(); |
| }); |
| }); |
| it('should get NOT_FOUND if the service is not registered', function(done) { |
| var request = new health_messages.HealthCheckRequest(); |
| request.setService('not_registered'); |
| healthClient.check(request, function(err, response) { |
| assert(err); |
| assert.strictEqual(err.code, grpc.status.NOT_FOUND); |
| done(); |
| }); |
| }); |
| it('should get a different response if the status changes', function(done) { |
| var request = new health_messages.HealthCheckRequest(); |
| request.setService('transient'); |
| healthClient.check(request, function(err, response) { |
| assert(err); |
| assert.strictEqual(err.code, grpc.status.NOT_FOUND); |
| healthImpl.setStatus('transient', ServingStatus.SERVING); |
| healthClient.check(request, function(err, response) { |
| assert.ifError(err); |
| assert.strictEqual(response.getStatus(), ServingStatus.SERVING); |
| done(); |
| }); |
| }); |
| }); |
| }); |