remap 'allowableValues' and 'defaultValue' (#148)

to 'enum' and 'default' for schema model.

openapi/src/main/java/io/micronaut/openapi/visitor/AbstractOpenApiVisitor.java

@@ -741,11 +741,11 @@ protected Schema bindSchemaForElement(VisitorContext context, Element element, C
      */
     protected Schema bindSchemaAnnotationValue(VisitorContext context, Element element, Schema schemaToBind, AnnotationValue<io.swagger.v3.oas.annotations.media.Schema> schemaAnn) {
         JsonNode schemaJson = toJson(schemaAnn.getValues(), context);
-        return doBbindSchemaAnnotationValue(context, element, schemaToBind, schemaJson, schemaAnn.get("defaultValue", String.class).orElse(null),
+        return doBindSchemaAnnotationValue(context, element, schemaToBind, schemaJson, schemaAnn.get("defaultValue", String.class).orElse(null),
                 schemaAnn.get("allowableValues", String[].class).orElse(null));
     }
 
-    private Schema doBbindSchemaAnnotationValue(VisitorContext context, Element element, Schema schemaToBind,
+    private Schema doBindSchemaAnnotationValue(VisitorContext context, Element element, Schema schemaToBind,
             JsonNode schemaJson, String defaultValue, String[] allowableValues) {
         try {
             schemaToBind = jsonMapper.readerForUpdating(schemaToBind).readValue(schemaJson);
@@ -754,7 +754,9 @@ private Schema doBbindSchemaAnnotationValue(VisitorContext context, Element elem
             }
             if (ArrayUtils.isNotEmpty(allowableValues)) {
                 for (String allowableValue : allowableValues) {
-                    schemaToBind.addEnumItemObject(allowableValue);
+                    if (!schemaToBind.getEnum().contains(allowableValue)) {
+                        schemaToBind.addEnumItemObject(allowableValue);
+                    }
                 }
             }
         } catch (IOException e) {
@@ -796,7 +798,7 @@ protected Schema bindArraySchemaAnnotationValue(VisitorContext context, Element
                 }
             }
         }
-        return doBbindSchemaAnnotationValue(context, element, schemaToBind, schemaJson, null, null);
+        return doBindSchemaAnnotationValue(context, element, schemaToBind, schemaJson, null, null);
     }
 
     private Optional<Map<String, Object>> resolveExtensions(JsonNode jn) {
@@ -848,15 +850,25 @@ private void bindSchemaIfNeccessary(VisitorContext context, AnnotationValue<?> a
         final Optional<String[]> anyOf = av.get("anyOf", Argument.of(String[].class));
         final Optional<String[]> oneOf = av.get("oneOf", Argument.of(String[].class));
         final Optional<String[]> allOf = av.get("allOf", Argument.of(String[].class));
-        if (io.swagger.v3.oas.annotations.media.Schema.class.getName().equals(av.getAnnotationName()) && impl.isPresent()) {
+        // remap keys.
+        Object o = valueMap.remove("defaultValue");
+        if (o != null) {
+            valueMap.put("default", o);
+        }
+        o = valueMap.remove("allowableValues");
+        if (o != null) {
+            valueMap.put("enum", o);
+        }
+        boolean isSchema = io.swagger.v3.oas.annotations.media.Schema.class.getName().equals(av.getAnnotationName());
+        if (isSchema && impl.isPresent()) {
             final String className = impl.get();
             bindSchemaForClassName(context, valueMap, className);
         }
         if (io.swagger.v3.oas.annotations.media.DiscriminatorMapping.class.getName().equals(av.getAnnotationName()) && schema.isPresent()) {
             final String className = schema.get();
             bindSchemaForClassName(context, valueMap, className);
         }
-        if (io.swagger.v3.oas.annotations.media.Schema.class.getName().equals(av.getAnnotationName()) && (anyOf.isPresent() || oneOf.isPresent() || allOf.isPresent())) {
+        if (isSchema && (anyOf.isPresent() || oneOf.isPresent() || allOf.isPresent())) {
             anyOf.ifPresent(anyOfList -> bindSchemaForComposite(context, valueMap, anyOfList, "anyOf"));
             oneOf.ifPresent(oneOfList -> bindSchemaForComposite(context, valueMap, oneOfList, "oneOf"));
             allOf.ifPresent(allOfList -> bindSchemaForComposite(context, valueMap, allOfList, "allOf"));

openapi/src/test/groovy/io/micronaut/openapi/visitor/OpenApiOperationParametersSpec.groovy

@@ -0,0 +1,94 @@
+/*
+ * Copyright 2017-2019 original authors
+ *
+ * Licensed 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.
+ */
+package io.micronaut.openapi.visitor
+
+import io.micronaut.annotation.processing.test.AbstractTypeElementSpec
+import io.micronaut.http.MediaType
+import io.swagger.v3.oas.annotations.Parameter
+import io.swagger.v3.oas.annotations.enums.ParameterIn
+import io.swagger.v3.oas.annotations.media.ArraySchema
+import io.swagger.v3.oas.annotations.media.Content
+import io.swagger.v3.oas.annotations.media.Schema
+import io.swagger.v3.oas.annotations.responses.ApiResponse
+import io.swagger.v3.oas.models.OpenAPI
+import io.swagger.v3.oas.models.Operation
+
+class OpenApiOperationParametersSpec extends AbstractTypeElementSpec {
+    def setup() {
+        System.setProperty(AbstractOpenApiVisitor.ATTR_TEST_MODE, "true")
+    }
+
+    void "test Parameters in Operation"() {
+        given:
+        buildBeanDefinition('test.MyBean', '''
+package test;
+
+import io.swagger.v3.oas.annotations.*;
+import io.swagger.v3.oas.annotations.parameters.*;
+import io.swagger.v3.oas.annotations.responses.*;
+import io.swagger.v3.oas.annotations.security.*;
+import io.swagger.v3.oas.annotations.media.*;
+import io.swagger.v3.oas.annotations.enums.*;
+import io.swagger.v3.oas.annotations.links.*;
+import io.micronaut.http.MediaType;
+import io.micronaut.http.annotation.*;
+import java.util.List;
+
+@Controller("/")
+class MyController {
+
+    @Get("/")
+    @Operation(description = "Lists the Pets.",
+               parameters = {
+                   @Parameter(name = "petType", in = ParameterIn.HEADER, required = true, description = "A pet type", example = "['dog', 'cat']", schema = @Schema(description = "A  _Pet_'s type", type = "string",  allowableValues = {"dog", "cat", "snake"}, defaultValue = "dog"))
+               }
+    )
+    @ApiResponse(responseCode = "200", description = "Returns a _Pet_.", content = @Content(mediaType = MediaType.APPLICATION_JSON, schema = @Schema(implementation = Pet.class)))
+    public Pet findPets(String petType) {
+        return null;
+    }
+}
+
+@Schema(description = "Pet")
+class Pet {
+    @Schema(description = "The name of the pet")
+    public String name;
+}
+
+@javax.inject.Singleton
+class MyBean {}
+''')
+
+        OpenAPI openAPI = AbstractOpenApiVisitor.testReference
+        Operation operation = openAPI.paths?.get("/")?.get
+
+        expect:
+        operation
+        operation.responses.size() == 1
+        operation.responses.'200'.description == 'Returns a _Pet_.'
+        operation.responses.'200'.content.'application/json'.schema.$ref == '#/components/schemas/Pet'
+
+        operation.parameters
+        operation.parameters.size() == 1
+        operation.parameters[0].name == 'petType'
+        operation.parameters[0].description == 'A pet type'
+        operation.parameters[0].schema.description == 'A  _Pet_\'s type'
+        operation.parameters[0].schema.type ==  'string'
+        operation.parameters[0].schema.enum
+        operation.parameters[0].schema.enum == ["dog", "cat", "snake"]
+        operation.parameters[0].schema.default == 'dog'
+    }
+}