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+/*
+ *
+ * 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 assert = require('assert');
+
+var health = require('../health_check/health.js');
+
+var grpc = require('../');
+
+describe('Health Checking', function() {
+ var statusMap = {
+ '': {
+ '': 'SERVING',
+ 'grpc.test.TestService': 'NOT_SERVING',
+ },
+ virtual_host: {
+ 'grpc.test.TestService': 'SERVING'
+ }
+ };
+ var HealthServer = grpc.buildServer([health.service]);
+ var healthServer = new HealthServer({
+ 'grpc.health.v1alpha.Health': new health.Implementation(statusMap)
+ });
+ var healthClient;
+ before(function() {
+ var port_num = healthServer.bind('0.0.0.0:0');
+ healthServer.listen();
+ healthClient = new health.Client('localhost:' + port_num);
+ });
+ after(function() {
+ healthServer.shutdown();
+ });
+ it('should say an enabled service is SERVING', function(done) {
+ healthClient.check({service: ''}, function(err, response) {
+ assert.ifError(err);
+ assert.strictEqual(response.status, 'SERVING');
+ done();
+ });
+ });
+ it('should say that a disabled service is NOT_SERVING', function(done) {
+ healthClient.check({service: 'grpc.test.TestService'},
+ function(err, response) {
+ assert.ifError(err);
+ assert.strictEqual(response.status, 'NOT_SERVING');
+ done();
+ });
+ });
+ it('should say that a service on another host is SERVING', function(done) {
+ healthClient.check({host: 'virtual_host', service: 'grpc.test.TestService'},
+ function(err, response) {
+ assert.ifError(err);
+ assert.strictEqual(response.status, 'SERVING');
+ done();
+ });
+ });
+ it('should get NOT_FOUND if the service is not registered', function(done) {
+ healthClient.check({service: 'not_registered'}, function(err, response) {
+ assert(err);
+ assert.strictEqual(err.code, grpc.status.NOT_FOUND);
+ done();
+ });
+ });
+ it('should get NOT_FOUND if the host is not registered', function(done) {
+ healthClient.check({host: 'wrong_host', service: 'grpc.test.TestService'},
+ function(err, response) {
+ assert(err);
+ assert.strictEqual(err.code, grpc.status.NOT_FOUND);
+ done();
+ });
+ });
+});