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				|  |  | +/*
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				|  |  | + *
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				|  |  | + * Copyright 2014, Google Inc.
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				|  |  | + * All rights reserved.
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				|  |  | + *
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				|  |  | + * Redistribution and use in source and binary forms, with or without
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				|  |  | + * modification, are permitted provided that the following conditions are
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				|  |  | + * met:
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				|  |  | + *
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				|  |  | + *     * Redistributions of source code must retain the above copyright
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				|  |  | + * notice, this list of conditions and the following disclaimer.
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				|  |  | + *     * Redistributions in binary form must reproduce the above
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				|  |  | + * copyright notice, this list of conditions and the following disclaimer
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				|  |  | + * in the documentation and/or other materials provided with the
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				|  |  | + * distribution.
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				|  |  | + *     * Neither the name of Google Inc. nor the names of its
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				|  |  | + * contributors may be used to endorse or promote products derived from
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				|  |  | + * this software without specific prior written permission.
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				|  |  | + *
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				|  |  | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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				|  |  | + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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				|  |  | + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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				|  |  | + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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				|  |  | + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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				|  |  | + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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				|  |  | + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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				|  |  | + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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				|  |  | + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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				|  |  | + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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				|  |  | + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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				|  |  | + *
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				|  |  | + */
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				|  |  | +
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				|  |  | +var fs = require('fs');
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				|  |  | +var path = require('path');
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				|  |  | +var grpc = require('..');
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				|  |  | +var testProto = grpc.load(__dirname + '/test.proto').grpc.testing;
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				|  |  | +
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				|  |  | +var assert = require('assert');
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Create a buffer filled with size zeroes
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				|  |  | + * @param {number} size The length of the buffer
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				|  |  | + * @return {Buffer} The new buffer
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				|  |  | + */
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				|  |  | +function zeroBuffer(size) {
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				|  |  | +  var zeros = new Buffer(size);
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				|  |  | +  zeros.fill(0);
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				|  |  | +  return zeros;
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Run the empty_unary test
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				|  |  | + * @param {Client} client The client to test against
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				|  |  | + * @param {function} done Callback to call when the test is completed. Included
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				|  |  | + *     primarily for use with mocha
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				|  |  | + */
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				|  |  | +function emptyUnary(client, done) {
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				|  |  | +  var call = client.emptyCall({}, function(err, resp) {
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				|  |  | +    assert.ifError(err);
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				|  |  | +  });
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				|  |  | +  call.on('status', function(status) {
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				|  |  | +    assert.strictEqual(status.code, grpc.status.OK);
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				|  |  | +    if (done) {
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				|  |  | +      done();
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				|  |  | +    }
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				|  |  | +  });
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Run the large_unary test
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				|  |  | + * @param {Client} client The client to test against
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				|  |  | + * @param {function} done Callback to call when the test is completed. Included
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				|  |  | + *     primarily for use with mocha
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				|  |  | + */
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				|  |  | +function largeUnary(client, done) {
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				|  |  | +  var arg = {
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				|  |  | +    response_type: testProto.PayloadType.COMPRESSABLE,
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				|  |  | +    response_size: 314159,
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				|  |  | +    payload: {
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				|  |  | +      body: zeroBuffer(271828)
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				|  |  | +    }
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				|  |  | +  };
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				|  |  | +  var call = client.unaryCall(arg, function(err, resp) {
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				|  |  | +    assert.ifError(err);
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				|  |  | +    assert.strictEqual(resp.payload.type, testProto.PayloadType.COMPRESSABLE);
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				|  |  | +    assert.strictEqual(resp.payload.body.limit - resp.payload.body.offset,
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				|  |  | +                       314159);
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				|  |  | +  });
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				|  |  | +  call.on('status', function(status) {
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				|  |  | +    assert.strictEqual(status.code, grpc.status.OK);
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				|  |  | +    if (done) {
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				|  |  | +      done();
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				|  |  | +    }
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				|  |  | +  });
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Run the client_streaming test
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				|  |  | + * @param {Client} client The client to test against
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				|  |  | + * @param {function} done Callback to call when the test is completed. Included
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				|  |  | + *     primarily for use with mocha
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				|  |  | + */
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				|  |  | +function clientStreaming(client, done) {
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				|  |  | +  var call = client.streamingInputCall(function(err, resp) {
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				|  |  | +    assert.ifError(err);
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				|  |  | +    assert.strictEqual(resp.aggregated_payload_size, 74922);
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				|  |  | +  });
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				|  |  | +  call.on('status', function(status) {
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				|  |  | +    assert.strictEqual(status.code, grpc.status.OK);
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				|  |  | +    if (done) {
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				|  |  | +      done();
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				|  |  | +    }
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				|  |  | +  });
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				|  |  | +  var payload_sizes = [27182, 8, 1828, 45904];
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				|  |  | +  for (var i = 0; i < payload_sizes.length; i++) {
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				|  |  | +    call.write({payload: {body: zeroBuffer(payload_sizes[i])}});
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				|  |  | +  }
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				|  |  | +  call.end();
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Run the server_streaming test
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				|  |  | + * @param {Client} client The client to test against
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				|  |  | + * @param {function} done Callback to call when the test is completed. Included
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				|  |  | + *     primarily for use with mocha
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				|  |  | + */
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				|  |  | +function serverStreaming(client, done) {
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				|  |  | +  var arg = {
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				|  |  | +    response_type: testProto.PayloadType.COMPRESSABLE,
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				|  |  | +    response_parameters: [
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				|  |  | +      {size: 31415},
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				|  |  | +      {size: 9},
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				|  |  | +      {size: 2653},
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				|  |  | +      {size: 58979}
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				|  |  | +    ]
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				|  |  | +  };
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				|  |  | +  var call = client.streamingOutputCall(arg);
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				|  |  | +  var resp_index = 0;
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				|  |  | +  call.on('data', function(value) {
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				|  |  | +    assert(resp_index < 4);
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				|  |  | +    assert.strictEqual(value.payload.type, testProto.PayloadType.COMPRESSABLE);
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				|  |  | +    assert.strictEqual(value.payload.body.limit - value.payload.body.offset,
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				|  |  | +                       arg.response_parameters[resp_index].size);
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				|  |  | +    resp_index += 1;
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				|  |  | +  });
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				|  |  | +  call.on('status', function(status) {
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				|  |  | +    assert.strictEqual(resp_index, 4);
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				|  |  | +    assert.strictEqual(status.code, grpc.status.OK);
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				|  |  | +    if (done) {
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				|  |  | +      done();
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				|  |  | +    }
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				|  |  | +  });
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Run the ping_pong test
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				|  |  | + * @param {Client} client The client to test against
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				|  |  | + * @param {function} done Callback to call when the test is completed. Included
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				|  |  | + *     primarily for use with mocha
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				|  |  | + */
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				|  |  | +function pingPong(client, done) {
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				|  |  | +  var payload_sizes = [27182, 8, 1828, 45904];
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				|  |  | +  var response_sizes = [31415, 9, 2653, 58979];
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				|  |  | +  var call = client.fullDuplexCall();
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				|  |  | +  call.on('status', function(status) {
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				|  |  | +    assert.strictEqual(status.code, grpc.status.OK);
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				|  |  | +    if (done) {
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				|  |  | +      done();
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				|  |  | +    }
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				|  |  | +  });
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				|  |  | +  var index = 0;
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				|  |  | +  call.write({
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				|  |  | +      response_type: testProto.PayloadType.COMPRESSABLE,
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				|  |  | +      response_parameters: [
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				|  |  | +        {size: response_sizes[index]}
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				|  |  | +      ],
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				|  |  | +      payload: {body: zeroBuffer(payload_sizes[index])}
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				|  |  | +  });
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				|  |  | +  call.on('data', function(response) {
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				|  |  | +    assert.strictEqual(response.payload.type,
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				|  |  | +                       testProto.PayloadType.COMPRESSABLE);
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				|  |  | +    assert.equal(response.payload.body.limit - response.payload.body.offset,
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				|  |  | +                 response_sizes[index]);
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				|  |  | +    index += 1;
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				|  |  | +    if (index == 4) {
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				|  |  | +      call.end();
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				|  |  | +    } else {
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				|  |  | +      call.write({
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				|  |  | +        response_type: testProto.PayloadType.COMPRESSABLE,
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				|  |  | +        response_parameters: [
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				|  |  | +          {size: response_sizes[index]}
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				|  |  | +        ],
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				|  |  | +        payload: {body: zeroBuffer(payload_sizes[index])}
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				|  |  | +      });
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				|  |  | +    }
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				|  |  | +  });
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Run the empty_stream test.
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				|  |  | + * NOTE: This does not work, but should with the new invoke API
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				|  |  | + * @param {Client} client The client to test against
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				|  |  | + * @param {function} done Callback to call when the test is completed. Included
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				|  |  | + *     primarily for use with mocha
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				|  |  | + */
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				|  |  | +function emptyStream(client, done) {
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				|  |  | +  var call = client.fullDuplexCall();
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				|  |  | +  call.on('status', function(status) {
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				|  |  | +    assert.strictEqual(status.code, grpc.status.OK);
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				|  |  | +    if (done) {
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				|  |  | +      done();
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				|  |  | +    }
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				|  |  | +  });
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				|  |  | +  call.on('data', function(value) {
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				|  |  | +    assert.fail(value, null, 'No data should have been received', '!==');
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				|  |  | +  });
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				|  |  | +  call.end();
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Map from test case names to test functions
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				|  |  | + */
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				|  |  | +var test_cases = {
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				|  |  | +  empty_unary: emptyUnary,
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				|  |  | +  large_unary: largeUnary,
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				|  |  | +  client_streaming: clientStreaming,
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				|  |  | +  server_streaming: serverStreaming,
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				|  |  | +  ping_pong: pingPong,
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				|  |  | +  empty_stream: emptyStream
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				|  |  | +};
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * Execute a single test case.
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				|  |  | + * @param {string} address The address of the server to connect to, in the
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				|  |  | + *     format "hostname:port"
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				|  |  | + * @param {string} host_overrirde The hostname of the server to use as an SSL
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				|  |  | + *     override
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				|  |  | + * @param {string} test_case The name of the test case to run
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				|  |  | + * @param {bool} tls Indicates that a secure channel should be used
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				|  |  | + * @param {function} done Callback to call when the test is completed. Included
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				|  |  | + *     primarily for use with mocha
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				|  |  | + */
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				|  |  | +function runTest(address, host_override, test_case, tls, done) {
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				|  |  | +  // TODO(mlumish): enable TLS functionality
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				|  |  | +  var options = {};
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				|  |  | +  if (tls) {
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				|  |  | +    var ca_path = path.join(__dirname, '../test/data/ca.pem');
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				|  |  | +    var ca_data = fs.readFileSync(ca_path);
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				|  |  | +    var creds = grpc.Credentials.createSsl(ca_data);
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				|  |  | +    options.credentials = creds;
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				|  |  | +    if (host_override) {
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				|  |  | +      options['grpc.ssl_target_name_override'] = host_override;
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				|  |  | +    }
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				|  |  | +  }
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				|  |  | +  var client = new testProto.TestService(address, options);
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				|  |  | +
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				|  |  | +  test_cases[test_case](client, done);
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				|  |  | +}
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				|  |  | +
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				|  |  | +if (require.main === module) {
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				|  |  | +  var parseArgs = require('minimist');
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				|  |  | +  var argv = parseArgs(process.argv, {
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				|  |  | +    string: ['server_host', 'server_host_override', 'server_port', 'test_case',
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				|  |  | +             'use_tls', 'use_test_ca']
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				|  |  | +  });
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				|  |  | +  runTest(argv.server_host + ':' + argv.server_port, argv.server_host_override,
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				|  |  | +          argv.test_case, argv.use_tls === 'true');
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				|  |  | +}
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				|  |  | +
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				|  |  | +/**
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				|  |  | + * See docs for runTest
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				|  |  | + */
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				|  |  | +exports.runTest = runTest;
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