bug chaotic: fix 'explode: true' handling

commit_hash:0f918d8f39278fdd7a01ef5a96fe7a92eccf421c

Author: segoon

chaotic-openapi/chaotic_openapi/front/parser.py

@@ -114,9 +114,15 @@ def _convert_openapi_parameter(
     ) -> model.Parameter:
         if isinstance(parameter, openapi.Ref):
             return self._state.service.parameters[self._locate_ref(parameter.ref)]
+
+        if parameter.explode and parameter.in_ == openapi.In.query:
+            in_ = model.In.queryExplode
+        else:
+            in_ = model.In(parameter.in_)
+
         p = model.Parameter(
             name=parameter.name,
-            in_=model.In(parameter.in_),
+            in_=in_,
             description=parameter.description or '',
             examples=parameter.examples,
             deprecated=parameter.deprecated,

chaotic-openapi/integration_tests/clients/parameters/openapi.yaml

@@ -21,6 +21,14 @@ paths:
                 required: false
                 schema:
                     type: string
+              - name: multiple
+                explode: true
+                in: query
+                required: false
+                schema:
+                    type: array
+                    items:
+                        type: string
             requestBody:
                 content:
                     application/json:

chaotic-openapi/integration_tests/src/parameters_test.cpp

@@ -1,6 +1,8 @@
 #include <userver/utest/utest.hpp>
 
 #include <clients/parameters/requests.hpp>
+#include <userver/clients/http/client.hpp>
+#include <userver/utest/http_client.hpp>
 
 USERVER_NAMESPACE_BEGIN
 
@@ -15,6 +17,17 @@ UTEST(Parameters, CppName) {
     request.myclass = "123";
 }
 
+UTEST(Parameters, Explode) {
+    client::Request request;
+    auto http_client_ptr = utest::CreateHttpClient();
+    auto http_request = http_client_ptr->CreateRequest();
+
+    request.multiple = {"1", "2", "3"};
+    client::SerializeRequest(request, "http://base", http_request);
+
+    EXPECT_EQ(http_request.GetUrl(), "http://base/test1?multiple=1&multiple=2&multiple=3");
+}
+
 }  // namespace
 
 USERVER_NAMESPACE_END

chaotic-openapi/tests/front/test_openapi.py

@@ -364,7 +364,7 @@ def test_openapi_parameters(simple_parser):
                     ),
                     model.Parameter(
                         name='pamparam2',
-                        in_=model.In.query,
+                        in_=model.In.queryExplode,
                         description='override',
                         required=False,
                         schema=types.Array(items=types.Number()),