Fixes issue with non-string path parameters

Author: maben-mw

RELEASENOTES.md

@@ -1,8 +1,12 @@
 # MATLAB Generator *for OpenAPI*
 
+## Version 3.0.3 (September 26th 2025)
+
+* Fixes issue with non-string path parameters.
+
 ## Version 3.0.2 (September 24th 2025)
 
-* Fixes issue where the data type of enum fields were not set correctly.
+* Fixes issue where the data type of enum fields was not set correctly.
 
 ## Version 3.0.1 (August 25th 2025)
 

Software/MATLAB/test/unit/invokeTests.m

@@ -32,5 +32,27 @@ function testIntegersApi(testCase)
             testCase.verifyEqual(r.u64,uint64(18446744073709551614));
             testCase.verifyEqual(r.b,true);
         end
+
+        function testPathParameters(testCase)
+            client = Test.api.App;
+            % Standard string parameter
+            [c,r] = client.apppathMessage("Hello World");
+            testCase.verifyEqual(c,matlab.net.http.StatusCode.OK);
+            testCase.verifyClass(r,'Test.models.HelloMessage');
+            testCase.verifyEqual(r.message, "Hello World");
+            % Logical/boolean parameter
+            % Most importantly test that the next line does not error out
+            [c,r] = client.apppathBool(true);
+            % For good measure also verify the actual return value
+            testCase.verifyEqual(c,matlab.net.http.StatusCode.OK);
+            testCase.verifyClass(r,'Test.models.HelloMessage');
+            testCase.verifyEqual(r.message, "state is true");
+            % Numeric parameter
+            [c,r] = client.apppathNumber(42);
+            testCase.verifyEqual(c,matlab.net.http.StatusCode.OK);
+            testCase.verifyClass(r,'Test.models.HelloMessage');
+            testCase.verifyEqual(r.message, "num is 42");
+            
+        end        
     end
 end

Software/Mustache/api.mustache

@@ -158,7 +158,7 @@ classdef {{classname}} < {{packageName}}.BaseClient
             uri.EncodedPath = uri.EncodedPath + "{{path}}";
 
             {{^pathParams}}% No path parameters{{/pathParams}}{{#pathParams}}{{#-first}}% Substitute path parameters{{/-first}}
-            uri.Path = replace(uri.Path, "{" + "{{baseName}}" + "}", {{>paramName}});{{/pathParams}}
+            uri.Path = replace(uri.Path, "{" + "{{baseName}}" + "}", string({{>paramName}}));{{/pathParams}}
 
             {{^queryParams}}% No query parameters{{/queryParams}}{{#queryParams}}{{#-first}}% Set query parameters{{/-first}}{{#required}}
             uri.Query(end+1) = matlab.net.QueryParameter("{{baseName}}", {{>paramName}}{{#isCollectionFormatMulti}}, matlab.net.ArrayFormat.repeating{{/isCollectionFormatMulti}});{{/required}}{{^required}}

VERSION

@@ -1 +1 @@
-3.0.2
+3.0.3