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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');
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();
});
});
});
});
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