Initial checkin of gRPC to third_party/

third_party/grpc/src/node/test/end_to_end_test.js

Index: third_party/grpc/src/node/test/end_to_end_test.js
diff --git a/third_party/grpc/src/node/test/end_to_end_test.js b/third_party/grpc/src/node/test/end_to_end_test.js
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+/*
+ *
+ * Copyright 2015-2016, 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 grpc = require('../src/grpc_extension');
+
+/**
+ * This is used for testing functions with multiple asynchronous calls that
+ * can happen in different orders. This should be passed the number of async
+ * function invocations that can occur last, and each of those should call this
+ * function's return value
+ * @param {function()} done The function that should be called when a test is
+ *     complete.
+ * @param {number} count The number of calls to the resulting function if the
+ *     test passes.
+ * @return {function()} The function that should be called at the end of each
+ *     sequence of asynchronous functions.
+ */
+function multiDone(done, count) {
+  return function() {
+    count -= 1;
+    if (count <= 0) {
+      done();
+    }
+  };
+}
+
+var insecureCreds = grpc.ChannelCredentials.createInsecure();
+
+describe('end-to-end', function() {
+  var server;
+  var channel;
+  before(function() {
+    server = new grpc.Server();
+    var port_num = server.addHttp2Port('0.0.0.0:0',
+                                       grpc.ServerCredentials.createInsecure());
+    server.start();
+    channel = new grpc.Channel('localhost:' + port_num, insecureCreds);
+  });
+  after(function() {
+    server.forceShutdown();
+  });
+  it('should start and end a request without error', function(complete) {
+    var done = multiDone(complete, 2);
+    var status_text = 'xyz';
+    var call = new grpc.Call(channel,
+                             'dummy_method',
+                             Infinity);
+    var client_batch = {};
+    client_batch[grpc.opType.SEND_INITIAL_METADATA] = {};
+    client_batch[grpc.opType.SEND_CLOSE_FROM_CLIENT] = true;
+    client_batch[grpc.opType.RECV_INITIAL_METADATA] = true;
+    client_batch[grpc.opType.RECV_STATUS_ON_CLIENT] = true;
+    call.startBatch(client_batch, function(err, response) {
+      assert.ifError(err);
+      assert.deepEqual(response, {
+        send_metadata: true,
+        client_close: true,
+        metadata: {},
+        status: {
+          code: grpc.status.OK,
+          details: status_text,
+          metadata: {}
+        }
+      });
+      done();
+    });
+
+    server.requestCall(function(err, call_details) {
+      var new_call = call_details.new_call;
+      assert.notEqual(new_call, null);
+      var server_call = new_call.call;
+      assert.notEqual(server_call, null);
+      var server_batch = {};
+      server_batch[grpc.opType.SEND_INITIAL_METADATA] = {};
+      server_batch[grpc.opType.SEND_STATUS_FROM_SERVER] = {
+        metadata: {},
+        code: grpc.status.OK,
+        details: status_text
+      };
+      server_batch[grpc.opType.RECV_CLOSE_ON_SERVER] = true;
+      server_call.startBatch(server_batch, function(err, response) {
+        assert.ifError(err);
+        assert.deepEqual(response, {
+          send_metadata: true,
+          send_status: true,
+          cancelled: false
+        });
+       done();
+      });
+    });
+  });
+  it('should successfully send and receive metadata', function(complete) {
+    var done = multiDone(complete, 2);
+    var status_text = 'xyz';
+    var call = new grpc.Call(channel,
+                             'dummy_method',
+                             Infinity);
+    var client_batch = {};
+    client_batch[grpc.opType.SEND_INITIAL_METADATA] = {
+      client_key: ['client_value']
+    };
+    client_batch[grpc.opType.SEND_CLOSE_FROM_CLIENT] = true;
+    client_batch[grpc.opType.RECV_INITIAL_METADATA] = true;
+    client_batch[grpc.opType.RECV_STATUS_ON_CLIENT] = true;
+    call.startBatch(client_batch, function(err, response) {
+      assert.ifError(err);
+      assert.deepEqual(response,{
+        send_metadata: true,
+        client_close: true,
+        metadata: {server_key: ['server_value']},
+        status: {code: grpc.status.OK,
+                 details: status_text,
+                 metadata: {}}
+      });
+      done();
+    });
+
+    server.requestCall(function(err, call_details) {
+      var new_call = call_details.new_call;
+      assert.notEqual(new_call, null);
+      assert.strictEqual(new_call.metadata.client_key[0],
+                         'client_value');
+      var server_call = new_call.call;
+      assert.notEqual(server_call, null);
+      var server_batch = {};
+      server_batch[grpc.opType.SEND_INITIAL_METADATA] = {
+        server_key: ['server_value']
+      };
+      server_batch[grpc.opType.SEND_STATUS_FROM_SERVER] = {
+        metadata: {},
+        code: grpc.status.OK,
+        details: status_text
+      };
+      server_batch[grpc.opType.RECV_CLOSE_ON_SERVER] = true;
+      server_call.startBatch(server_batch, function(err, response) {
+        assert.ifError(err);
+        assert.deepEqual(response, {
+          send_metadata: true,
+          send_status: true,
+          cancelled: false
+        });
+       done();
+      });
+    });
+  });
+  it('should send and receive data without error', function(complete) {
+    var req_text = 'client_request';
+    var reply_text = 'server_response';
+    var done = multiDone(complete, 2);
+    var status_text = 'success';
+    var call = new grpc.Call(channel,
+                             'dummy_method',
+                             Infinity);
+    var client_batch = {};
+    client_batch[grpc.opType.SEND_INITIAL_METADATA] = {};
+    client_batch[grpc.opType.SEND_MESSAGE] = new Buffer(req_text);
+    client_batch[grpc.opType.SEND_CLOSE_FROM_CLIENT] = true;
+    client_batch[grpc.opType.RECV_INITIAL_METADATA] = true;
+    client_batch[grpc.opType.RECV_MESSAGE] = true;
+    client_batch[grpc.opType.RECV_STATUS_ON_CLIENT] = true;
+    call.startBatch(client_batch, function(err, response) {
+      assert.ifError(err);
+      assert(response.send_metadata);
+      assert(response.client_close);
+      assert.deepEqual(response.metadata, {});
+      assert(response.send_message);
+      assert.strictEqual(response.read.toString(), reply_text);
+      assert.deepEqual(response.status, {code: grpc.status.OK,
+                                         details: status_text,
+                                         metadata: {}});
+      done();
+    });
+
+    server.requestCall(function(err, call_details) {
+      var new_call = call_details.new_call;
+      assert.notEqual(new_call, null);
+      var server_call = new_call.call;
+      assert.notEqual(server_call, null);
+      var server_batch = {};
+      server_batch[grpc.opType.SEND_INITIAL_METADATA] = {};
+      server_batch[grpc.opType.RECV_MESSAGE] = true;
+      server_call.startBatch(server_batch, function(err, response) {
+        assert.ifError(err);
+        assert(response.send_metadata);
+        assert.strictEqual(response.read.toString(), req_text);
+        var response_batch = {};
+        response_batch[grpc.opType.SEND_MESSAGE] = new Buffer(reply_text);
+        response_batch[grpc.opType.SEND_STATUS_FROM_SERVER] = {
+          metadata: {},
+          code: grpc.status.OK,
+          details: status_text
+        };
+        response_batch[grpc.opType.RECV_CLOSE_ON_SERVER] = true;
+        server_call.startBatch(response_batch, function(err, response) {
+          assert(response.send_status);
+          assert(!response.cancelled);
+          done();
+        });
+      });
+    });
+  });
+  it('should send multiple messages', function(complete) {
+    var done = multiDone(complete, 2);
+    var requests = ['req1', 'req2'];
+    var status_text = 'xyz';
+    var call = new grpc.Call(channel,
+                             'dummy_method',
+                             Infinity);
+    var client_batch = {};
+    client_batch[grpc.opType.SEND_INITIAL_METADATA] = {};
+    client_batch[grpc.opType.SEND_MESSAGE] = new Buffer(requests[0]);
+    client_batch[grpc.opType.RECV_INITIAL_METADATA] = true;
+    call.startBatch(client_batch, function(err, response) {
+      assert.ifError(err);
+      assert.deepEqual(response, {
+        send_metadata: true,
+        send_message: true,
+        metadata: {}
+      });
+      var req2_batch = {};
+      req2_batch[grpc.opType.SEND_MESSAGE] = new Buffer(requests[1]);
+      req2_batch[grpc.opType.SEND_CLOSE_FROM_CLIENT] = true;
+      req2_batch[grpc.opType.RECV_STATUS_ON_CLIENT] = true;
+      call.startBatch(req2_batch, function(err, resp) {
+        assert.ifError(err);
+        assert.deepEqual(resp, {
+          send_message: true,
+          client_close: true,
+          status: {
+            code: grpc.status.OK,
+            details: status_text,
+            metadata: {}
+          }
+        });
+        done();
+      });
+    });
+
+    server.requestCall(function(err, call_details) {
+      var new_call = call_details.new_call;
+      assert.notEqual(new_call, null);
+      var server_call = new_call.call;
+      assert.notEqual(server_call, null);
+      var server_batch = {};
+      server_batch[grpc.opType.SEND_INITIAL_METADATA] = {};
+      server_batch[grpc.opType.RECV_MESSAGE] = true;
+      server_call.startBatch(server_batch, function(err, response) {
+        assert.ifError(err);
+        assert(response.send_metadata);
+        assert.strictEqual(response.read.toString(), requests[0]);
+        var snd_batch = {};
+        snd_batch[grpc.opType.RECV_MESSAGE] = true;
+        server_call.startBatch(snd_batch, function(err, response) {
+          assert.ifError(err);
+          assert.strictEqual(response.read.toString(), requests[1]);
+          var end_batch = {};
+          end_batch[grpc.opType.RECV_CLOSE_ON_SERVER] = true;
+          end_batch[grpc.opType.SEND_STATUS_FROM_SERVER] = {
+            metadata: {},
+            code: grpc.status.OK,
+            details: status_text
+          };
+          server_call.startBatch(end_batch, function(err, response) {
+            assert.ifError(err);
+            assert(response.send_status);
+            assert(!response.cancelled);
+            done();
+          });
+        });
+      });
+    });
+  });
+});