1 files changed, 274 insertions, 0 deletions
diff --git a/src/node/interop/interop_client.js b/src/node/interop/interop_client.js
new file mode 100644
index 0000000000..cf75b9a77a
--- /dev/null
+++ b/src/node/interop/interop_client.js
@@ -0,0 +1,274 @@
+/*
+ *
+ * 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;