THRIFT-2376 nodejs: allow Promise style calls for client and server
patch:  Pierre Lamot
diff --git a/lib/nodejs/test/client.js b/lib/nodejs/test/client.js
index 43d88f0..2aa2295 100644
--- a/lib/nodejs/test/client.js
+++ b/lib/nodejs/test/client.js
@@ -28,6 +28,7 @@
 var ThriftProtocols = require('thrift/protocol');
 var ThriftTest = require('./gen-nodejs/ThriftTest');
 var ThriftTestDriver = require('./thrift_test_driver').ThriftTestDriver;
+var ThriftTestDriverPromise = require('./thrift_test_driver_promise').ThriftTestDriver;
 
 var program = require('commander');
 
@@ -35,10 +36,12 @@
   .option('-p, --protocol <protocol>', 'Set thrift protocol (binary|json) [protocol]')
   .option('-t, --transport <transport>', 'Set thrift transport (buffered|framed) [transport]')
   .option('--ssl', 'use SSL transport')
+  .option('--promise', 'test with promise style functions')
   .parse(process.argv);
 
 var protocol = undefined;
 var transport =  undefined;
+var testDriver = undefined;
 
 if (program.protocol === "binary") {
   protocol = ThriftProtocols.TBinaryProtocol;
@@ -58,6 +61,12 @@
   transport = ThriftTransports.TBufferedTransport;
 }
 
+if (program.promise) {
+  testDriver = ThriftTestDriverPromise;
+} else {
+  testDriver = ThriftTestDriver;
+}
+
 var options = {
   transport: transport,
   protocol: protocol
@@ -78,7 +87,7 @@
   assert(false, err);
 });
 
-ThriftTestDriver(client, function (status) {
+testDriver(client, function (status) {
   console.log(status);
   connection.end();
 });
diff --git a/lib/nodejs/test/server.js b/lib/nodejs/test/server.js
index 69519ab..acc0398 100644
--- a/lib/nodejs/test/server.js
+++ b/lib/nodejs/test/server.js
@@ -29,6 +29,7 @@
 var ThriftProtocols = require('thrift/protocol');
 var ThriftTest = require('./gen-nodejs/ThriftTest');
 var ThriftTestHandler = require('./test_handler').ThriftTestHandler;
+var ThriftTestHandlerPromise = require('./test_handler_promise').ThriftTestHandler;
 
 
 var program = require('commander');
@@ -37,10 +38,12 @@
   .option('-p, --protocol <protocol>', 'Set thift protocol (binary|json) [protocol]')
   .option('-t, --transport <transport>', 'Set thift transport (buffered|framed) [transport]')
   .option('--ssl', 'use ssl transport')
+  .option('--promise', 'test with promise style functions')
   .parse(process.argv);
 
 var protocol = undefined;
 var transport =  undefined;
+var handler = undefined;
 
 if (program.protocol === "binary") {
   protocol = ThriftProtocols.TBinaryProtocol;
@@ -60,6 +63,12 @@
   transport = ThriftTransports.TBufferedTransport;
 }
 
+if (program.promise) {
+  handler = ThriftTestHandlerPromise;
+} else {
+  handler = ThriftTestHandler;
+}
+
 var options = {
   protocol: protocol,
   transport: transport
@@ -69,9 +78,9 @@
   //ssl options
   options.key = fs.readFileSync(path.resolve(__dirname, 'server.key'));
   options.cert = fs.readFileSync(path.resolve(__dirname, 'server.crt'));
-  thrift.createSSLServer(ThriftTest, ThriftTestHandler, options).listen(9090);
+  thrift.createSSLServer(ThriftTest, handler, options).listen(9090);
 
 } else {
   //default
-  thrift.createServer(ThriftTest, ThriftTestHandler, options).listen(9090);
+  thrift.createServer(ThriftTest, handler, options).listen(9090);
 }
diff --git a/lib/nodejs/test/testAll.sh b/lib/nodejs/test/testAll.sh
index cdd0c79..96f8a2a 100755
--- a/lib/nodejs/test/testAll.sh
+++ b/lib/nodejs/test/testAll.sh
@@ -75,5 +75,7 @@
 testClientServer binary framed --ssl || TESTOK=1
 testMultiplexedClientServer binary framed --ssl || TESTOK=1
 
+#test promise style
+testClientServer binary framed --promise || TESTOK=1
 
 exit $TESTOK
diff --git a/lib/nodejs/test/test_handler_promise.js b/lib/nodejs/test/test_handler_promise.js
new file mode 100644
index 0000000..fc698eb
--- /dev/null
+++ b/lib/nodejs/test/test_handler_promise.js
@@ -0,0 +1,194 @@
+/*

+ * Licensed to the Apache Software Foundation (ASF) under one

+ * or more contributor license agreements. See the NOTICE file

+ * distributed with this work for additional information

+ * regarding copyright ownership. The ASF licenses this file

+ * to you under the Apache License, Version 2.0 (the

+ * 'License'); you may not use this file except in compliance

+ * with the License. You may obtain a copy of the License at

+ *

+ *   http://www.apache.org/licenses/LICENSE-2.0

+ *

+ * Unless required by applicable law or agreed to in writing,

+ * software distributed under the License is distributed on an

+ * 'AS IS' BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

+ * KIND, either express or implied. See the License for the

+ * specific language governing permissions and limitations

+ * under the License.

+ */

+

+//This is the server side Node test handler for the standard

+//  Apache Thrift test service.

+

+var ttypes = require('./gen-nodejs/ThriftTest_types');

+var TException = require('thrift/thrift').TException;

+

+var ThriftTestHandler = exports.ThriftTestHandler = {

+  testVoid: function() {

+    console.log('testVoid()');

+  },

+  testString: function(thing) {

+    console.log('testString(\'' + thing + '\')');

+    return thing;

+  },

+  testByte: function(thing) {

+    console.log('testByte(' + thing + ')');

+    return thing;

+  },

+  testI32: function(thing) {

+    console.log('testI32(' + thing + ')');

+    return thing;

+  },

+  testI64: function(thing) {

+    console.log('testI64(' + thing + ')');

+    return thing;

+  },

+  testDouble: function(thing) {

+    console.log('testDouble(' + thing + ')');

+    return thing;

+  },

+  testStruct: function(thing) {

+    console.log('testStruct(');

+    console.log(thing);

+    console.log(')');

+    return thing;

+  },

+  testNest: function(nest) {

+    console.log('testNest(');

+    console.log(nest);

+    console.log(')');

+    return nest;

+  },

+  testMap: function(thing) {

+    console.log('testMap(');

+    console.log(thing);

+    console.log(')');

+    return thing;

+  },

+  testStringMap: function(thing) {

+    console.log('testStringMap(');

+    console.log(thing);

+    console.log(')');

+    return thing;

+  },

+  testSet: function(thing, result) {

+    console.log('testSet(');

+    console.log(thing);

+    console.log(')');

+    return thing;

+  },

+  testList: function(thing) {

+    console.log('testList(');

+    console.log(thing);

+    console.log(')');

+    return thing;

+  },

+  testEnum: function(thing) {

+    console.log('testEnum(' + thing + ')');

+    return thing;

+  },

+  testTypedef: function(thing) {

+    console.log('testTypedef(' + thing + ')');

+    return thing;

+  },

+  testMapMap: function(hello) {

+    console.log('testMapMap(' + hello + ')');

+

+    var mapmap = [];

+    var pos = [];

+    var neg = [];

+    for (var i = 1; i < 5; i++) {

+      pos[i] = i;

+      neg[-i] = -i;

+    }

+    mapmap[4] = pos;

+    mapmap[-4] = neg;

+

+    return mapmap;

+  },

+  testInsanity: function(argument) {

+    console.log('testInsanity(');

+    console.log(argument);

+    console.log(')');

+

+    var hello = new ttypes.Xtruct();

+    hello.string_thing = 'Hello2';

+    hello.byte_thing = 2;

+    hello.i32_thing = 2;

+    hello.i64_thing = 2;

+

+    var goodbye = new ttypes.Xtruct();

+    goodbye.string_thing = 'Goodbye4';

+    goodbye.byte_thing = 4;

+    goodbye.i32_thing = 4;

+    goodbye.i64_thing = 4;

+

+    var crazy = new ttypes.Insanity();

+    crazy.userMap = [];

+    crazy.userMap[ttypes.Numberz.EIGHT] = 8;

+    crazy.userMap[ttypes.Numberz.FIVE] = 5;

+    crazy.xtructs = [goodbye, hello];

+

+    var first_map = [];

+    var second_map = [];

+

+    first_map[ttypes.Numberz.TWO] = crazy;

+    first_map[ttypes.Numberz.THREE] = crazy;

+

+    var looney = new ttypes.Insanity();

+    second_map[ttypes.Numberz.SIX] = looney;

+

+    var insane = [];

+    insane[1] = first_map;

+    insane[2] = second_map;

+

+    console.log('insane result:');

+    console.log(insane);

+    return insane;

+  },

+  testMulti: function(arg0, arg1, arg2, arg3, arg4, arg5) {

+    console.log('testMulti()');

+

+    var hello = new ttypes.Xtruct();

+    hello.string_thing = 'Hello2';

+    hello.byte_thing = arg0;

+    hello.i32_thing = arg1;

+    hello.i64_thing = arg2;

+    return hello;

+  },

+  testException: function(arg) {

+    console.log('testException('+arg+')');

+    if (arg === 'Xception') {

+      var x = new ttypes.Xception();

+      x.errorCode = 1001;

+      x.message = arg;

+      throw x;

+    } else if (arg === 'TException') {

+      throw new TException(arg);

+    } else {

+      return;

+    }

+  },

+  testMultiException: function(arg0, arg1) {

+    console.log('testMultiException(' + arg0 + ', ' + arg1 + ')');

+    if (arg0 === ('Xception')) {

+      var x = new ttypes.Xception();

+      x.errorCode = 1001;

+      x.message = 'This is an Xception';

+      throw x;

+    } else if (arg0 === ('Xception2')) {

+      var x2 = new ttypes.Xception2();

+      x2.errorCode = 2002;

+      x2.struct_thing = new ttypes.Xtruct();

+      x2.struct_thing.string_thing = 'This is an Xception2';

+      throw x2;

+    }

+

+    var res = new ttypes.Xtruct();

+    res.string_thing = arg1;

+    return res;

+  },

+  testOneway: function(sleepFor) {

+    console.log('testOneway(' + sleepFor + ') => JavaScript (like Rust) never sleeps!');

+  }

+};   //ThriftTestSvcHandler

diff --git a/lib/nodejs/test/thrift_test_driver_promise.js b/lib/nodejs/test/thrift_test_driver_promise.js
new file mode 100644
index 0000000..b5c1b87
--- /dev/null
+++ b/lib/nodejs/test/thrift_test_driver_promise.js
@@ -0,0 +1,394 @@
+/*

+ * Licensed to the Apache Software Foundation (ASF) under one

+ * or more contributor license agreements. See the NOTICE file

+ * distributed with this work for additional information

+ * regarding copyright ownership. The ASF licenses this file

+ * to you under the Apache License, Version 2.0 (the

+ * 'License'); you may not use this file except in compliance

+ * with the License. You may obtain a copy of the License at

+ *

+ *   http://www.apache.org/licenses/LICENSE-2.0

+ *

+ * Unless required by applicable law or agreed to in writing,

+ * software distributed under the License is distributed on an

+ * 'AS IS' BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

+ * KIND, either express or implied. See the License for the

+ * specific language governing permissions and limitations

+ * under the License.

+ */

+

+ // This is the Node test driver for the standard Apache Thrift

+ // test service. The driver invokes every function defined in the

+ // Thrift Test service with a representative range of parameters.

+ //

+ // The ThriftTestDriver function requires a client object

+ // connected to a server hosting the Thrift Test service and

+ // supports an optional callback function which is called with

+ // a status message when the test is complete.

+

+var assert = require('assert');

+var ttypes = require('./gen-nodejs/ThriftTest_types');

+

+var ThriftTestDriver = exports.ThriftTestDriver = function(client, callback) {

+

+// deepEqual doesn't work with fields using node-int64

+function checkRecursively(map1, map2) {

+  if (typeof map1 !== 'function' && typeof map2 !== 'function') {

+    if (!map1 || typeof map1 !== 'object') {

+        assert.equal(map1, map2);

+    } else {

+      for (var key in map1) {

+        checkRecursively(map1[key], map2[key]);

+      }

+    }

+  }

+}

+

+client.testVoid()

+  .then(function(response) {

+    assert.equal(undefined, response); //void

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+

+client.testString("Test")

+  .then(function(response) {

+    assert.equal("Test", response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testString("")

+  .then(function(response) {

+    assert.equal("", response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+//all Languages in UTF-8

+var stringTest = "Afrikaans, Alemannisch, Aragonés, العربية, مصرى, " +

+    "Asturianu, Aymar aru, Azərbaycan, Башҡорт, Boarisch, Žemaitėška, " +

+    "Беларуская, Беларуская (тарашкевіца), Български, Bamanankan, " +

+    "বাংলা, Brezhoneg, Bosanski, Català, Mìng-dĕ̤ng-ngṳ̄, Нохчийн, " +

+    "Cebuano, ᏣᎳᎩ, Česky, Словѣ́ньскъ / ⰔⰎⰑⰂⰡⰐⰠⰔⰍⰟ, Чӑвашла, Cymraeg, " +

+    "Dansk, Zazaki, ދިވެހިބަސް, Ελληνικά, Emiliàn e rumagnòl, English, " +

+    "Esperanto, Español, Eesti, Euskara, فارسی, Suomi, Võro, Føroyskt, " +

+    "Français, Arpetan, Furlan, Frysk, Gaeilge, 贛語, Gàidhlig, Galego, " +

+    "Avañe'ẽ, ગુજરાતી, Gaelg, עברית, हिन्दी, Fiji Hindi, Hrvatski, " +

+    "Kreyòl ayisyen, Magyar, Հայերեն, Interlingua, Bahasa Indonesia, " +

+    "Ilokano, Ido, Íslenska, Italiano, 日本語, Lojban, Basa Jawa, " +

+    "ქართული, Kongo, Kalaallisut, ಕನ್ನಡ, 한국어, Къарачай-Малкъар, " +

+    "Ripoarisch, Kurdî, Коми, Kernewek, Кыргызча, Latina, Ladino, " +

+    "Lëtzebuergesch, Limburgs, Lingála, ລາວ, Lietuvių, Latviešu, Basa " +

+    "Banyumasan, Malagasy, Македонски, മലയാളം, मराठी, مازِرونی, Bahasa " +

+    "Melayu, Nnapulitano, Nedersaksisch, नेपाल भाषा, Nederlands, ‪" +

+    "Norsk (nynorsk)‬, ‪Norsk (bokmål)‬, Nouormand, Diné bizaad, " +

+    "Occitan, Иронау, Papiamentu, Deitsch, Polski, پنجابی, پښتو, " +

+    "Norfuk / Pitkern, Português, Runa Simi, Rumantsch, Romani, Română, " +

+    "Русский, Саха тыла, Sardu, Sicilianu, Scots, Sámegiella, Simple " +

+    "English, Slovenčina, Slovenščina, Српски / Srpski, Seeltersk, " +

+    "Svenska, Kiswahili, தமிழ், తెలుగు, Тоҷикӣ, ไทย, Türkmençe, Tagalog, " +

+    "Türkçe, Татарча/Tatarça, Українська, اردو, Tiếng Việt, Volapük, " +

+    "Walon, Winaray, 吴语, isiXhosa, ייִדיש, Yorùbá, Zeêuws, 中文, " +

+    "Bân-lâm-gú, 粵語";

+

+client.testString(stringTest)

+  .then(function(response) {

+    assert.equal(stringTest, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+

+var specialCharacters = 'quote: \" backslash:' +

+    ' forwardslash-escaped: \/ ' +

+    ' backspace: \b formfeed: \f newline: \n return: \r tab: ' +

+    ' now-all-of-them-together: "\\\/\b\n\r\t' +

+    ' now-a-bunch-of-junk: !@#$%&()(&%$#{}{}<><><' +

+    ' char-to-test-json-parsing: ]] \"]] \\" }}}{ [[[ ';

+client.testString(specialCharacters)

+  .then(function(response) {

+    assert.equal(specialCharacters, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+

+client.testByte(1)

+  .then(function(response) {

+    assert.equal(1, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+

+client.testByte(0)

+  .then(function(response) {

+    assert.equal(0, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testByte(-1)

+  .then(function(response) {

+    assert.equal(-1, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testByte(-127)

+  .then(function(response) {

+    assert.equal(-127, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testI32(-1)

+  .then(function(response) {

+    assert.equal(-1, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testI64(5)

+  .then(function(response) {

+    assert.equal(5, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testI64(-5)

+  .then(function(response) {

+    assert.equal(-5, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testI64(-34359738368)

+  .then(function(response) {

+    assert.equal(-34359738368, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testDouble(-5.2098523)

+  .then(function(response) {

+    assert.equal(-5.2098523, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testDouble(7.012052175215044)

+  .then(function(response) {

+    assert.equal(7.012052175215044, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+var out = new ttypes.Xtruct({

+  string_thing: 'Zero',

+  byte_thing: 1,

+  i32_thing: -3,

+  i64_thing: 1000000

+});

+client.testStruct(out)

+  .then(function(response) {

+    checkRecursively(out, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+var out2 = new ttypes.Xtruct2();

+out2.byte_thing = 1;

+out2.struct_thing = out;

+out2.i32_thing = 5;

+client.testNest(out2)

+  .then(function(response) {

+    checkRecursively(out2, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+var mapout = {};

+for (var i = 0; i < 5; ++i) {

+  mapout[i] = i-10;

+}

+client.testMap(mapout)

+  .then(function(response) {

+    assert.deepEqual(mapout, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+var mapTestInput = {

+  "a":"123", "a b":"with spaces ", "same":"same", "0":"numeric key",

+  "longValue":stringTest, stringTest:"long key"

+};

+client.testStringMap(mapTestInput)

+  .then(function(response) {

+    assert.deepEqual(mapTestInput, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+var setTestInput = [1,2,3];

+client.testSet(setTestInput)

+  .then(function(response) {

+    assert.deepEqual(setTestInput, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+client.testList(setTestInput)

+  .then(function(response) {

+    assert.deepEqual(setTestInput, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testEnum(ttypes.Numberz.ONE)

+  .then(function(response) {

+    assert.equal(ttypes.Numberz.ONE, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testTypedef(69)

+  .then(function(response) {

+    assert.equal(69, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+var mapMapTest = {

+  "4": {"1":1, "2":2, "3":3, "4":4},

+  "-4": {"-4":-4, "-3":-3, "-2":-2, "-1":-1}

+};

+client.testMapMap(mapMapTest)

+  .then(function(response) {

+    assert.deepEqual(mapMapTest, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+var crazy = new ttypes.Insanity({

+  "userMap":{ "5":5, "8":8 },

+  "xtructs":[new ttypes.Xtruct({

+      "string_thing":"Goodbye4",

+      "byte_thing":4,

+      "i32_thing":4,

+      "i64_thing":4

+    }), new ttypes.Xtruct({

+      "string_thing":"Hello2",

+      "byte_thing":2,

+      "i32_thing":2,

+      "i64_thing":2

+    })]

+});

+

+var insanity = {

+  "1":{ "2": crazy, "3": crazy },

+  "2":{ "6":{ "userMap":null, "xtructs":null } }

+};

+client.testInsanity(crazy)

+  .then(function(response) {

+    checkRecursively(insanity, response);

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testException('TException')

+  .then(function() {

+    assert(false);

+  });

+

+client.testException('Xception')

+  .then(function(response) {

+    assert.equal(err.errorCode, 1001);

+    assert.equal('Xception', err.message)

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testException('no Exception')

+  .then(function(response) {

+    assert.equal(undefined, response); //void

+  })

+  .fail(function() {

+    assert(false);

+  });

+

+client.testOneway(0, function(error, response) {

+  assert(false); //should not answer

+});

+

+(function() {

+  var test_complete = false;

+  var retrys = 0;

+  var retry_limit = 30;

+  var retry_interval = 100;

+  /**

+   * redo a simple test after the oneway to make sure we aren't "off by one" --

+   * if the server treated oneway void like normal void, this next test will

+   * fail since it will get the void confirmation rather than the correct

+   * result. In this circumstance, the client will throw the exception:

+   *

+   * Because this is the last test against the server, when it completes

+   * the entire suite is complete by definition (the tests run serially).

+   */

+  client.testI32(-1)

+    .then(function(response) {

+        assert.equal(-1, response);

+        test_complete = true

+    })

+    .fail(function() {

+      assert(false);

+    });

+

+//We wait up to retry_limit * retry_interval for the test suite to complete

+  function TestForCompletion() {

+    if(test_complete) {

+      if (callback) {

+        callback("Server successfully tested!");

+      }

+    } else {

+      if (++retrys < retry_limit) {

+        setTimeout(TestForCompletion, retry_interval);

+      } else {

+    if (callback) {

+      callback("Server test failed to complete after " +

+        (retry_limit*retry_interval/1000) + " seconds");

+    }

+      }

+    }

+  }

+

+  setTimeout(TestForCompletion, retry_interval);

+})();

+}