Include testcase for issue 3248

Author: peyerroger

modules/openapi-generator/src/test/java/org/openapitools/codegen/java/spring/SpringCodegenTest.java

@@ -216,6 +216,37 @@ public void shouldGenerateRequestParamForRefParams_3248_RegressionDates() throws
                 "@RequestParam(value = \"start\"");
     }
 
+    @Test
+    public void doGenerateRequestParamForSimpleParam() throws IOException {
+        File output = Files.createTempDirectory("test").toFile().getCanonicalFile();
+        output.deleteOnExit();
+        String outputPath = output.getAbsolutePath().replace('\\', '/');
+
+        OpenAPI openAPI = new OpenAPIParser()
+                .readLocation("src/test/resources/3_0/issue_3248.yaml", null, new ParseOptions()).getOpenAPI();
+
+        SpringCodegen codegen = new SpringCodegen();
+        codegen.setOutputDir(output.getAbsolutePath());
+        codegen.additionalProperties().put(CXFServerFeatures.LOAD_TEST_DATA_FROM_FILE, "true");
+
+        ClientOptInput input = new ClientOptInput();
+        input.openAPI(openAPI);
+        input.config(codegen);
+
+        MockDefaultGenerator generator = new MockDefaultGenerator();
+        generator.opts(input).generate();
+
+        checkFileContains(generator, outputPath + "/src/main/java/org/openapitools/api/MonkeysApi.java",  "@RequestParam");
+        checkFileContains(generator, outputPath + "/src/main/java/org/openapitools/api/ElephantsApi.java",  "@RequestParam");
+        checkFileContains(generator, outputPath + "/src/main/java/org/openapitools/api/ZebrasApi.java",  "@RequestParam");
+        checkFileContains(generator, outputPath + "/src/main/java/org/openapitools/api/BearsApi.java",  "@RequestParam");
+        checkFileContains(generator, outputPath + "/src/main/java/org/openapitools/api/CamelsApi.java",  "@RequestParam");
+        checkFileContains(generator, outputPath + "/src/main/java/org/openapitools/api/PandasApi.java",  "@RequestParam");
+        checkFileContains(generator, outputPath + "/src/main/java/org/openapitools/api/CrocodilesApi.java",  "@RequestParam");
+        checkFileContains(generator, outputPath + "/src/main/java/org/openapitools/api/PolarBearsApi.java",  "@RequestParam");
+
+    }
+
     private void checkFileNotContains(MockDefaultGenerator generator, String path, String... lines) {
         String file = generator.getFiles().get(path);
         assertNotNull(file);

modules/openapi-generator/src/test/resources/3_0/issue_3248.yaml

@@ -0,0 +1,121 @@
+openapi: 3.0.0
+servers:
+  - url: 'localhost:8080'
+info:
+  version: 1.0.0
+  title: OpenAPI Zoo
+  license:
+    name: Apache-2.0
+    url: 'http://www.apache.org/licenses/LICENSE-2.0.html'
+paths:
+  /monkeys:
+    get:
+      operationId: getMonkeys
+      parameters:
+        - $ref: '#/components/parameters/refDate'
+  /elephants:
+    get:
+      operationId: getElephants
+      parameters:
+        - in: query
+          name: someDate
+          required: true
+          schema:
+            type: string
+            format: date
+  /girafes:
+    get:
+      operationId: getGirafes
+      parameters:
+        - $ref: '#/components/parameters/refStatus'
+  /zebras:
+    get:
+      operationId: getZebras
+      parameters:
+        - in: query
+          name: status
+          required: true
+          schema:
+            type: integer
+            enum: [0,1]
+            default: 0
+  /bears:
+    get:
+      operationId: getBears
+      parameters:
+        - $ref: '#/components/parameters/refCondition'
+  /camels:
+    get:
+      operationId: getCamels
+      parameters:
+        - in: query
+          name: condition
+          required: true
+          schema:
+            type: string
+            enum:
+              - sleeping
+              - awake
+  /pandas:
+    get:
+      operationId: getPandas
+      parameters:
+        - $ref: '#/components/parameters/refName'
+  /crocodiles:
+    get:
+      operationId: getCrocodiles
+      parameters:
+        - in: query
+          name: name
+          required: true
+          schema:
+            type: string
+  /polarBears:
+    get:
+      operationId: getPolarBears
+      parameters:
+        - $ref: '#/components/parameters/refAge'
+  /birds:
+    get:
+      operationId: getBirds
+      parameters:
+        - in: query
+          name: age
+          required: true
+          schema:
+            type: integer
+components:
+  parameters:
+    refDate:
+      in: query
+      name: refDate
+      required: true
+      schema:
+        type: string
+        format: date
+    refStatus:
+      in: query
+      name: refStatus
+      required: true
+      schema:
+        type: integer
+        enum: [0,1]
+        default: 0
+    refCondition:
+      in: query
+      name: refCondition
+      schema:
+        type: string
+        enum:
+          - sleeping
+          - awake
+    refName:
+      in: query
+      name: refName
+      schema:
+        type: string
+    refAge:
+      in: query
+      name: refAge
+      schema:
+        type: integer