fix: make parsedOptions appear in method JSON representation (protobufjs#1506)

Author: alexander-fenster

src/method.js

@@ -20,8 +20,9 @@ var util = require("./util");
  * @param {boolean|Object.<string,*>} [responseStream] Whether the response is streamed
  * @param {Object.<string,*>} [options] Declared options
  * @param {string} [comment] The comment for this method
+ * @param {Object.<string,*>} [parsedOptions] Declared options, properly parsed into an object
  */
-function Method(name, type, requestType, responseType, requestStream, responseStream, options, comment) {
+function Method(name, type, requestType, responseType, requestStream, responseStream, options, comment, parsedOptions) {
 
     /* istanbul ignore next */
     if (util.isObject(requestStream)) {
@@ -93,6 +94,11 @@ function Method(name, type, requestType, responseType, requestStream, responseSt
      * @type {string|null}
      */
     this.comment = comment;
+
+    /**
+     * Options properly parsed into an object
+     */
+    this.parsedOptions = parsedOptions;
 }
 
 /**
@@ -104,6 +110,8 @@ function Method(name, type, requestType, responseType, requestStream, responseSt
  * @property {boolean} [requestStream=false] Whether requests are streamed
  * @property {boolean} [responseStream=false] Whether responses are streamed
  * @property {Object.<string,*>} [options] Method options
+ * @property {string} comment Method comments
+ * @property {Object.<string,*>} [parsedOptions] Method options properly parsed into an object
  */
 
 /**
@@ -114,7 +122,7 @@ function Method(name, type, requestType, responseType, requestStream, responseSt
  * @throws {TypeError} If arguments are invalid
  */
 Method.fromJSON = function fromJSON(name, json) {
-    return new Method(name, json.type, json.requestType, json.responseType, json.requestStream, json.responseStream, json.options, json.comment);
+    return new Method(name, json.type, json.requestType, json.responseType, json.requestStream, json.responseStream, json.options, json.comment, json.parsedOptions);
 };
 
 /**
@@ -131,7 +139,8 @@ Method.prototype.toJSON = function toJSON(toJSONOptions) {
         "responseType"   , this.responseType,
         "responseStream" , this.responseStream,
         "options"        , this.options,
-        "comment"        , keepComments ? this.comment : undefined
+        "comment"        , keepComments ? this.comment : undefined,
+        "parsedOptions"  , this.parsedOptions,
     ]);
 };
 

tests/comp_options-parse.js

@@ -117,5 +117,44 @@ tape.test("Options", function (test) {
         test.end();
     });
 
+    test.test(test.name + " - rpc options (Nested)", function (test) {
+        var TestOptionsRpc = root.lookup("TestOptionsRpc");
+        test.equal(TestOptionsRpc.options["(method_rep_msg).value"], 1, "should merge repeated options messages");
+        test.equal(TestOptionsRpc.options["(method_rep_msg).rep_value"], 3, "should parse in any order");
+        test.equal(TestOptionsRpc.options["(method_rep_msg).nested.nested.value"], "x", "should correctly parse nested field options");
+        test.equal(TestOptionsRpc.options["(method_rep_msg).rep_nested.value"], "z", "should take second repeated nested options");
+        test.equal(TestOptionsRpc.options["(method_rep_msg).nested.value"], "w", "should merge nested options");
+
+        test.equal(TestOptionsRpc.options["(method_single_msg).nested.value"], "x", "should correctly parse nested property name");
+        test.equal(TestOptionsRpc.options["(method_single_msg).rep_nested.value"], "y", "should take second repeated nested options");
+        test.equal(TestOptionsRpc.options["(method_single_msg).rep_nested.nested.nested.value"], "y", "should correctly parse several nesting levels");
+
+        var expectedParsedOptions = [
+            {
+                "(method_rep_msg)": {
+                    value: 1,
+                    nested: {nested: {value: "x"}},
+                    rep_nested: [{value: "y"}, {value: "z"}],
+                    rep_value: 3
+                }
+            },
+            {"(method_rep_msg)": {nested: {value: "w"}}},
+            {
+                "(method_single_msg)": {
+                    nested: {value: "x"},
+                    rep_nested: [{value: "x", nested: {nested: {value: "y"}}}, {value: "y"}]
+                }
+            }
+        ];
+
+        test.same(TestOptionsRpc.parsedOptions, expectedParsedOptions, "should correctly parse all nested message options");
+        var jsonTestOptionsRpc = TestOptionsRpc.toJSON();
+        test.same(jsonTestOptionsRpc.parsedOptions, expectedParsedOptions, "should correctly store all nested method options in JSON");
+        var rootFromJson = protobuf.Root.fromJSON(root.toJSON());
+        var TestOptionsRpcFromJson = rootFromJson.lookup("TestOptionsRpc");
+        test.same(TestOptionsRpcFromJson.parsedOptions, expectedParsedOptions, "should correctly read all nested method options from JSON");
+        test.end();
+    });
+
     test.end();
 });

tests/data/options_test.proto

@@ -53,6 +53,11 @@ extend google.protobuf.MessageOptions {
     Msg mo_single_msg = 50003;
 }
 
+extend google.protobuf.MethodOptions {
+    repeated Msg method_rep_msg = 50002;
+    Msg method_single_msg = 50003;
+}
+
 message TestFieldOptionsMsg {
     string field1 = 1 [(fo_rep_msg) = {value: 1 rep_value: 2 rep_value: 3}, (fo_rep_msg) = {value: 4 rep_value: 5 rep_value: 6}];
     string field2 = 2 [(fo_single_msg).value = 7, (fo_single_msg).rep_value = 8, (fo_single_msg).rep_value = 9];
@@ -80,7 +85,6 @@ message TestFieldOptionsNested {
     string field3 = 3 [(fo_single_msg).nested = {value: "x" nested {nested{value: "y"}}}];
 }
 
-
 message TestMessageOptionsNested {
     option (mo_rep_msg) = {
         value: 1
@@ -106,3 +110,31 @@ message TestMessageOptionsNested {
     option (mo_single_msg).rep_nested = {value : "x" nested {nested{value: "y"}}};
     option (mo_single_msg).rep_nested = {value : "y"};
 }
+
+service TestOptionsService {
+    rpc TestOptionsRpc(Msg) returns (Msg) {
+        option (method_rep_msg) = {
+            value: 1
+            nested {
+                nested {
+                    value: "x"
+                }
+            }
+            rep_nested {
+                value: "y"
+            }
+            rep_nested {
+                value: "z"
+            }
+            rep_value: 3
+        };
+        option (method_rep_msg) = {
+            nested {
+                value: "w"
+            }
+        };
+        option (method_single_msg).nested.value = "x";
+        option (method_single_msg).rep_nested = {value : "x" nested {nested{value: "y"}}};
+        option (method_single_msg).rep_nested = {value : "y"};
+    }
+}