Initial checkin of gRPC to third_party/

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

Index: third_party/grpc/src/node/test/credentials_test.js
diff --git a/third_party/grpc/src/node/test/credentials_test.js b/third_party/grpc/src/node/test/credentials_test.js
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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 fs = require('fs');
+var path = require('path');
+
+var grpc = require('..');
+
+/**
+ * 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 fakeSuccessfulGoogleCredentials = {
+  getRequestMetadata: function(service_url, callback) {
+    setTimeout(function() {
+      callback(null, {Authorization: 'success'});
+    }, 0);
+  }
+};
+
+var fakeFailingGoogleCredentials = {
+  getRequestMetadata: function(service_url, callback) {
+    setTimeout(function() {
+      callback(new Error('Authentication failure'));
+    }, 0);
+  }
+};
+
+var key_data, pem_data, ca_data;
+
+before(function() {
+  var key_path = path.join(__dirname, './data/server1.key');
+  var pem_path = path.join(__dirname, './data/server1.pem');
+  var ca_path = path.join(__dirname, '../test/data/ca.pem');
+  key_data = fs.readFileSync(key_path);
+  pem_data = fs.readFileSync(pem_path);
+  ca_data = fs.readFileSync(ca_path);
+});
+
+describe('channel credentials', function() {
+  describe('#createSsl', function() {
+    it('works with no arguments', function() {
+      var creds;
+      assert.doesNotThrow(function() {
+        creds = grpc.credentials.createSsl();
+      });
+      assert.notEqual(creds, null);
+    });
+    it('works with just one Buffer argument', function() {
+      var creds;
+      assert.doesNotThrow(function() {
+        creds = grpc.credentials.createSsl(ca_data);
+      });
+      assert.notEqual(creds, null);
+    });
+    it('works with 3 Buffer arguments', function() {
+      var creds;
+      assert.doesNotThrow(function() {
+        creds = grpc.credentials.createSsl(ca_data, key_data, pem_data);
+      });
+      assert.notEqual(creds, null);
+    });
+    it('works if the first argument is null', function() {
+      var creds;
+      assert.doesNotThrow(function() {
+        creds = grpc.credentials.createSsl(null, key_data, pem_data);
+      });
+      assert.notEqual(creds, null);
+    });
+    it('fails if the first argument is a non-Buffer value', function() {
+      assert.throws(function() {
+        grpc.credentials.createSsl('test');
+      }, TypeError);
+    });
+    it('fails if the second argument is a non-Buffer value', function() {
+      assert.throws(function() {
+        grpc.credentials.createSsl(null, 'test', pem_data);
+      }, TypeError);
+    });
+    it('fails if the third argument is a non-Buffer value', function() {
+      assert.throws(function() {
+        grpc.credentials.createSsl(null, key_data, 'test');
+      }, TypeError);
+    });
+    it('fails if only 1 of the last 2 arguments is provided', function() {
+      assert.throws(function() {
+        grpc.credentials.createSsl(null, key_data);
+      });
+      assert.throws(function() {
+        grpc.credentials.createSsl(null, null, pem_data);
+      });
+    });
+  });
+});
+
+describe('server credentials', function() {
+  describe('#createSsl', function() {
+    it('accepts a buffer and array as the first 2 arguments', function() {
+      var creds;
+      assert.doesNotThrow(function() {
+        creds = grpc.ServerCredentials.createSsl(ca_data, []);
+      });
+      assert.notEqual(creds, null);
+    });
+    it('accepts a boolean as the third argument', function() {
+      var creds;
+      assert.doesNotThrow(function() {
+        creds = grpc.ServerCredentials.createSsl(ca_data, [], true);
+      });
+      assert.notEqual(creds, null);
+    });
+    it('accepts an object with two buffers in the second argument', function() {
+      var creds;
+      assert.doesNotThrow(function() {
+        creds = grpc.ServerCredentials.createSsl(null,
+                                                 [{private_key: key_data,
+                                                   cert_chain: pem_data}]);
+      });
+      assert.notEqual(creds, null);
+    });
+    it('accepts multiple objects in the second argument', function() {
+      var creds;
+      assert.doesNotThrow(function() {
+        creds = grpc.ServerCredentials.createSsl(null,
+                                                 [{private_key: key_data,
+                                                   cert_chain: pem_data},
+                                                  {private_key: key_data,
+                                                   cert_chain: pem_data}]);
+      });
+      assert.notEqual(creds, null);
+    });
+    it('fails if the second argument is not an Array', function() {
+      assert.throws(function() {
+        grpc.ServerCredentials.createSsl(ca_data, 'test');
+      }, TypeError);
+    });
+    it('fails if the first argument is a non-Buffer value', function() {
+      assert.throws(function() {
+        grpc.ServerCredentials.createSsl('test', []);
+      }, TypeError);
+    });
+    it('fails if the third argument is a non-boolean value', function() {
+      assert.throws(function() {
+        grpc.ServerCredentials.createSsl(ca_data, [], 'test');
+      }, TypeError);
+    });
+    it('fails if the array elements are not objects', function() {
+      assert.throws(function() {
+        grpc.ServerCredentials.createSsl(ca_data, 'test');
+      }, TypeError);
+    });
+    it('fails if the object does not have a Buffer private_key', function() {
+      assert.throws(function() {
+        grpc.ServerCredentials.createSsl(null,
+                                         [{private_key: 'test',
+                                           cert_chain: pem_data}]);
+      }, TypeError);
+    });
+    it('fails if the object does not have a Buffer cert_chain', function() {
+      assert.throws(function() {
+        grpc.ServerCredentials.createSsl(null,
+                                         [{private_key: key_data,
+                                           cert_chain: 'test'}]);
+      }, TypeError);
+    });
+  });
+});
+
+describe('client credentials', function() {
+  var Client;
+  var server;
+  var port;
+  var client_ssl_creds;
+  var client_options = {};
+  before(function() {
+    var proto = grpc.load(__dirname + '/test_service.proto');
+    server = new grpc.Server();
+    server.addProtoService(proto.TestService.service, {
+      unary: function(call, cb) {
+        call.sendMetadata(call.metadata);
+        cb(null, {});
+      },
+      clientStream: function(stream, cb){
+        stream.on('data', function(data) {});
+        stream.on('end', function() {
+          stream.sendMetadata(stream.metadata);
+          cb(null, {});
+        });
+      },
+      serverStream: function(stream) {
+        stream.sendMetadata(stream.metadata);
+        stream.end();
+      },
+      bidiStream: function(stream) {
+        stream.on('data', function(data) {});
+        stream.on('end', function() {
+          stream.sendMetadata(stream.metadata);
+          stream.end();
+        });
+      }
+    });
+    var creds = grpc.ServerCredentials.createSsl(null,
+                                                 [{private_key: key_data,
+                                                   cert_chain: pem_data}]);
+    port = server.bind('localhost:0', creds);
+    server.start();
+
+    Client = proto.TestService;
+    client_ssl_creds = grpc.credentials.createSsl(ca_data);
+    var host_override = 'foo.test.google.fr';
+    client_options['grpc.ssl_target_name_override'] = host_override;
+    client_options['grpc.default_authority'] = host_override;
+  });
+  after(function() {
+    server.forceShutdown();
+  });
+  it('Should accept SSL creds for a client', function(done) {
+    var client = new Client('localhost:' + port, client_ssl_creds,
+                            client_options);
+    client.unary({}, function(err, data) {
+      assert.ifError(err);
+      done();
+    });
+  });
+  it('Should update metadata with SSL creds', function(done) {
+    var metadataUpdater = function(service_url, callback) {
+      var metadata = new grpc.Metadata();
+      metadata.set('plugin_key', 'plugin_value');
+      callback(null, metadata);
+    };
+    var creds = grpc.credentials.createFromMetadataGenerator(metadataUpdater);
+    var combined_creds = grpc.credentials.combineChannelCredentials(
+        client_ssl_creds, creds);
+    var client = new Client('localhost:' + port, combined_creds,
+                            client_options);
+    var call = client.unary({}, function(err, data) {
+      assert.ifError(err);
+    });
+    call.on('metadata', function(metadata) {
+      assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
+      done();
+    });
+  });
+  it('Should update metadata for two simultaneous calls', function(done) {
+    done = multiDone(done, 2);
+    var metadataUpdater = function(service_url, callback) {
+      var metadata = new grpc.Metadata();
+      metadata.set('plugin_key', 'plugin_value');
+      callback(null, metadata);
+    };
+    var creds = grpc.credentials.createFromMetadataGenerator(metadataUpdater);
+    var combined_creds = grpc.credentials.combineChannelCredentials(
+        client_ssl_creds, creds);
+    var client = new Client('localhost:' + port, combined_creds,
+                            client_options);
+    var call = client.unary({}, function(err, data) {
+      assert.ifError(err);
+    });
+    call.on('metadata', function(metadata) {
+      assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
+      done();
+    });
+    var call2 = client.unary({}, function(err, data) {
+      assert.ifError(err);
+    });
+    call2.on('metadata', function(metadata) {
+      assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
+      done();
+    });
+  });
+  it.skip('should propagate errors that the updater emits', function(done) {
+    var metadataUpdater = function(service_url, callback) {
+      var error = new Error('Authentication error');
+      error.code = grpc.status.UNAUTHENTICATED;
+      callback(error);
+    };
+    var creds = grpc.credentials.createFromMetadataGenerator(metadataUpdater);
+    var combined_creds = grpc.credentials.combineChannelCredentials(
+        client_ssl_creds, creds);
+    var client = new Client('localhost:' + port, combined_creds,
+                            client_options);
+    client.unary({}, function(err, data) {
+      assert(err);
+      assert.strictEqual(err.message, 'Authentication error');
+      assert.strictEqual(err.code, grpc.status.UNAUTHENTICATED);
+      done();
+    });
+  });
+  it('should successfully wrap a Google credential', function(done) {
+    var creds = grpc.credentials.createFromGoogleCredential(
+        fakeSuccessfulGoogleCredentials);
+    var combined_creds = grpc.credentials.combineChannelCredentials(
+        client_ssl_creds, creds);
+    var client = new Client('localhost:' + port, combined_creds,
+                            client_options);
+    var call = client.unary({}, function(err, data) {
+      assert.ifError(err);
+    });
+    call.on('metadata', function(metadata) {
+      assert.deepEqual(metadata.get('authorization'), ['success']);
+      done();
+    });
+  });
+  it('Should not add metadata with just SSL credentials', function(done) {
+    // Tests idempotency of credentials composition
+    var metadataUpdater = function(service_url, callback) {
+      var metadata = new grpc.Metadata();
+      metadata.set('plugin_key', 'plugin_value');
+      callback(null, metadata);
+    };
+    var creds = grpc.credentials.createFromMetadataGenerator(metadataUpdater);
+    grpc.credentials.combineChannelCredentials(client_ssl_creds, creds);
+    var client = new Client('localhost:' + port, client_ssl_creds,
+                            client_options);
+    var call = client.unary({}, function(err, data) {
+      assert.ifError(err);
+    });
+    call.on('metadata', function(metadata) {
+      assert.deepEqual(metadata.get('plugin_key'), []);
+      done();
+    });
+  });
+  it.skip('should get an error from a Google credential', function(done) {
+    var creds = grpc.credentials.createFromGoogleCredential(
+        fakeFailingGoogleCredentials);
+    var combined_creds = grpc.credentials.combineChannelCredentials(
+        client_ssl_creds, creds);
+    var client = new Client('localhost:' + port, combined_creds,
+                            client_options);
+    client.unary({}, function(err, data) {
+      assert(err);
+      assert.strictEqual(err.message, 'Authentication failure');
+      done();
+    });
+  });
+  describe('Per-rpc creds', function() {
+    var client;
+    var updater_creds;
+    before(function() {
+      client = new Client('localhost:' + port, client_ssl_creds,
+                          client_options);
+      var metadataUpdater = function(service_url, callback) {
+        var metadata = new grpc.Metadata();
+        metadata.set('plugin_key', 'plugin_value');
+        callback(null, metadata);
+      };
+      updater_creds = grpc.credentials.createFromMetadataGenerator(
+          metadataUpdater);
+    });
+    it('Should update metadata on a unary call', function(done) {
+      var call = client.unary({}, function(err, data) {
+        assert.ifError(err);
+      }, null, {credentials: updater_creds});
+      call.on('metadata', function(metadata) {
+        assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
+        done();
+      });
+    });
+    it('should update metadata on a client streaming call', function(done) {
+      var call = client.clientStream(function(err, data) {
+        assert.ifError(err);
+      }, null, {credentials: updater_creds});
+      call.on('metadata', function(metadata) {
+        assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
+        done();
+      });
+      call.end();
+    });
+    it('should update metadata on a server streaming call', function(done) {
+      var call = client.serverStream({}, null, {credentials: updater_creds});
+      call.on('data', function() {});
+      call.on('metadata', function(metadata) {
+        assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
+        done();
+      });
+    });
+    it('should update metadata on a bidi streaming call', function(done) {
+      var call = client.bidiStream(null, {credentials: updater_creds});
+      call.on('data', function() {});
+      call.on('metadata', function(metadata) {
+        assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
+        done();
+      });
+      call.end();
+    });
+    it('should be able to use multiple plugin credentials', function(done) {
+      var altMetadataUpdater = function(service_url, callback) {
+        var metadata = new grpc.Metadata();
+        metadata.set('other_plugin_key', 'other_plugin_value');
+        callback(null, metadata);
+      };
+      var alt_updater_creds = grpc.credentials.createFromMetadataGenerator(
+          altMetadataUpdater);
+      var combined_updater = grpc.credentials.combineCallCredentials(
+          updater_creds, alt_updater_creds);
+      var call = client.unary({}, function(err, data) {
+        assert.ifError(err);
+      }, null, {credentials: combined_updater});
+      call.on('metadata', function(metadata) {
+        assert.deepEqual(metadata.get('plugin_key'), ['plugin_value']);
+        assert.deepEqual(metadata.get('other_plugin_key'),
+                         ['other_plugin_value']);
+        done();
+      });
+    });
+  });
+});