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/*
*
* Copyright 2014, 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.
*
*/
var fs = require('fs');
var path = require('path');
var grpc = require('..');
var testProto = grpc.load(__dirname + '/test.proto').grpc.testing;
var assert = require('assert');
/**
* Create a buffer filled with size zeroes
* @param {number} size The length of the buffer
* @return {Buffer} The new buffer
*/
function zeroBuffer(size) {
var zeros = new Buffer(size);
zeros.fill(0);
return zeros;
}
/**
* Run the empty_unary test
* @param {Client} client The client to test against
* @param {function} done Callback to call when the test is completed. Included
* primarily for use with mocha
*/
function emptyUnary(client, done) {
var call = client.emptyCall({}, function(err, resp) {
assert.ifError(err);
});
call.on('status', function(status) {
assert.strictEqual(status.code, grpc.status.OK);
if (done) {
done();
}
});
}
/**
* Run the large_unary test
* @param {Client} client The client to test against
* @param {function} done Callback to call when the test is completed. Included
* primarily for use with mocha
*/
function largeUnary(client, done) {
var arg = {
response_type: testProto.PayloadType.COMPRESSABLE,
response_size: 314159,
payload: {
body: zeroBuffer(271828)
}
};
var call = client.unaryCall(arg, function(err, resp) {
assert.ifError(err);
assert.strictEqual(resp.payload.type, testProto.PayloadType.COMPRESSABLE);
assert.strictEqual(resp.payload.body.limit - resp.payload.body.offset,
314159);
});
call.on('status', function(status) {
assert.strictEqual(status.code, grpc.status.OK);
if (done) {
done();
}
});
}
/**
* Run the client_streaming test
* @param {Client} client The client to test against
* @param {function} done Callback to call when the test is completed. Included
* primarily for use with mocha
*/
function clientStreaming(client, done) {
var call = client.streamingInputCall(function(err, resp) {
assert.ifError(err);
assert.strictEqual(resp.aggregated_payload_size, 74922);
});
call.on('status', function(status) {
assert.strictEqual(status.code, grpc.status.OK);
if (done) {
done();
}
});
var payload_sizes = [27182, 8, 1828, 45904];
for (var i = 0; i < payload_sizes.length; i++) {
call.write({payload: {body: zeroBuffer(payload_sizes[i])}});
}
call.end();
}
/**
* Run the server_streaming test
* @param {Client} client The client to test against
* @param {function} done Callback to call when the test is completed. Included
* primarily for use with mocha
*/
function serverStreaming(client, done) {
var arg = {
response_type: testProto.PayloadType.COMPRESSABLE,
response_parameters: [
{size: 31415},
{size: 9},
{size: 2653},
{size: 58979}
]
};
var call = client.streamingOutputCall(arg);
var resp_index = 0;
call.on('data', function(value) {
assert(resp_index < 4);
assert.strictEqual(value.payload.type, testProto.PayloadType.COMPRESSABLE);
assert.strictEqual(value.payload.body.limit - value.payload.body.offset,
arg.response_parameters[resp_index].size);
resp_index += 1;
});
call.on('status', function(status) {
assert.strictEqual(resp_index, 4);
assert.strictEqual(status.code, grpc.status.OK);
if (done) {
done();
}
});
}
/**
* Run the ping_pong test
* @param {Client} client The client to test against
* @param {function} done Callback to call when the test is completed. Included
* primarily for use with mocha
*/
function pingPong(client, done) {
var payload_sizes = [27182, 8, 1828, 45904];
var response_sizes = [31415, 9, 2653, 58979];
var call = client.fullDuplexCall();
call.on('status', function(status) {
assert.strictEqual(status.code, grpc.status.OK);
if (done) {
done();
}
});
var index = 0;
call.write({
response_type: testProto.PayloadType.COMPRESSABLE,
response_parameters: [
{size: response_sizes[index]}
],
payload: {body: zeroBuffer(payload_sizes[index])}
});
call.on('data', function(response) {
assert.strictEqual(response.payload.type,
testProto.PayloadType.COMPRESSABLE);
assert.equal(response.payload.body.limit - response.payload.body.offset,
response_sizes[index]);
index += 1;
if (index == 4) {
call.end();
} else {
call.write({
response_type: testProto.PayloadType.COMPRESSABLE,
response_parameters: [
{size: response_sizes[index]}
],
payload: {body: zeroBuffer(payload_sizes[index])}
});
}
});
}
/**
* Run the empty_stream test.
* NOTE: This does not work, but should with the new invoke API
* @param {Client} client The client to test against
* @param {function} done Callback to call when the test is completed. Included
* primarily for use with mocha
*/
function emptyStream(client, done) {
var call = client.fullDuplexCall();
call.on('status', function(status) {
assert.strictEqual(status.code, grpc.status.OK);
if (done) {
done();
}
});
call.on('data', function(value) {
assert.fail(value, null, 'No data should have been received', '!==');
});
call.end();
}
/**
* Map from test case names to test functions
*/
var test_cases = {
empty_unary: emptyUnary,
large_unary: largeUnary,
client_streaming: clientStreaming,
server_streaming: serverStreaming,
ping_pong: pingPong,
empty_stream: emptyStream
};
/**
* Execute a single test case.
* @param {string} address The address of the server to connect to, in the
* format "hostname:port"
* @param {string} host_overrirde The hostname of the server to use as an SSL
* override
* @param {string} test_case The name of the test case to run
* @param {bool} tls Indicates that a secure channel should be used
* @param {function} done Callback to call when the test is completed. Included
* primarily for use with mocha
*/
function runTest(address, host_override, test_case, tls, done) {
// TODO(mlumish): enable TLS functionality
var options = {};
if (tls) {
var ca_path = path.join(__dirname, '../test/data/ca.pem');
var ca_data = fs.readFileSync(ca_path);
var creds = grpc.Credentials.createSsl(ca_data);
options.credentials = creds;
if (host_override) {
options['grpc.ssl_target_name_override'] = host_override;
}
}
var client = new testProto.TestService(address, options);
test_cases[test_case](client, done);
}
if (require.main === module) {
var parseArgs = require('minimist');
var argv = parseArgs(process.argv, {
string: ['server_host', 'server_host_override', 'server_port', 'test_case',
'use_tls', 'use_test_ca']
});
runTest(argv.server_host + ':' + argv.server_port, argv.server_host_override,
argv.test_case, argv.use_tls === 'true');
}
/**
* See docs for runTest
*/
exports.runTest = runTest;
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