Properties with custom types inheritance fix (#18052)

* custom types support in inheritance fix

* files changed after scripts run

* remove unused method

* move cloneSchema to ModelUtils

* imports

* changes after scripts run

* test cloning array of enums schema

modules/openapi-generator/pom.xml

@@ -397,6 +397,11 @@
             <artifactId>jackson-datatype-joda</artifactId>
             <version>${jackson.version}</version>
         </dependency>
+        <dependency>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-annotations</artifactId>
+            <version>${jackson.version}</version>
+        </dependency>
         <dependency>
             <groupId>com.github.joschi.jackson</groupId>
             <artifactId>jackson-datatype-threetenbp</artifactId>

modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java

@@ -17,7 +17,6 @@
 
 package org.openapitools.codegen;
 
-import com.fasterxml.jackson.annotation.JsonCreator;
 import com.github.benmanes.caffeine.cache.Cache;
 import com.github.benmanes.caffeine.cache.Caffeine;
 import com.github.benmanes.caffeine.cache.Ticker;
@@ -26,7 +25,6 @@ import com.google.common.collect.ImmutableMap;
 import com.samskivert.mustache.Mustache;
 import com.samskivert.mustache.Mustache.Compiler;
 import com.samskivert.mustache.Mustache.Lambda;
-import io.swagger.v3.core.util.AnnotationsUtils;
 import io.swagger.v3.core.util.Json;
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.oas.models.Operation;
@@ -65,7 +63,6 @@ import org.openapitools.codegen.model.WebhooksMap;
 import org.openapitools.codegen.serializer.SerializerUtils;
 import org.openapitools.codegen.templating.MustacheEngineAdapter;
 import org.openapitools.codegen.templating.mustache.*;
-import org.openapitools.codegen.utils.CamelizeOption;
 import org.openapitools.codegen.utils.ModelUtils;
 import org.openapitools.codegen.utils.OneOfImplementorAdditionalData;
 import org.slf4j.Logger;
@@ -2945,11 +2942,7 @@ public class DefaultCodegen implements CodegenConfig {
         if (null != existingProperties && null != newProperties) {
             Schema existingType = existingProperties.get("type");
             Schema newType = newProperties.get("type");
-            newProperties.forEach((key, value) ->
-                    existingProperties.put(
-                            key,
-                            ModelUtils.cloneSchema(value, specVersionGreaterThanOrEqualTo310(openAPI))
-                    ));
+            newProperties.forEach((key, value) -> existingProperties.put(key, ModelUtils.cloneSchema(value)));
             if (null != existingType && null != newType && null != newType.getEnum() && !newType.getEnum().isEmpty()) {
                 for (Object e : newType.getEnum()) {
                     // ensure all interface enum types are added to schema

modules/openapi-generator/src/main/java/org/openapitools/codegen/utils/ModelUtils.java

@@ -17,9 +17,10 @@
 
 package org.openapitools.codegen.utils;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import io.swagger.v3.core.util.AnnotationsUtils;
+import com.fasterxml.jackson.databind.jsontype.BasicPolymorphicTypeValidator;
 import io.swagger.v3.oas.models.OpenAPI;
 import io.swagger.v3.oas.models.Operation;
 import io.swagger.v3.oas.models.PathItem;
@@ -75,10 +76,16 @@ public class ModelUtils {
 
     private static final ObjectMapper JSON_MAPPER;
     private static final ObjectMapper YAML_MAPPER;
+    private static final ObjectMapper TYPED_JSON_MAPPER = new ObjectMapper();
 
     static {
         JSON_MAPPER = ObjectMapperFactory.createJson();
         YAML_MAPPER = ObjectMapperFactory.createYaml();
+
+        BasicPolymorphicTypeValidator ptv = BasicPolymorphicTypeValidator.builder()
+                .allowIfSubType(Object.class)
+                .build();
+        TYPED_JSON_MAPPER.activateDefaultTyping(ptv, ObjectMapper.DefaultTyping.EVERYTHING);
     }
 
     public static boolean isDisallowAdditionalPropertiesIfNotPresent() {
@@ -2179,24 +2186,14 @@ public class ModelUtils {
         return false;
     }
 
-    /**
-     * Returns a clone of the schema.
-     *
-     * @param schema the schema.
-     * @param specVersionGreaterThanOrEqualTo310 true if spec version is 3.1.0 or later.
-     * @return a clone of the schema.
-     */
-    public static Schema cloneSchema(Schema schema, boolean specVersionGreaterThanOrEqualTo310) {
-        Schema clone = AnnotationsUtils.clone(schema, specVersionGreaterThanOrEqualTo310);
-
-        // check to see if type is set and clone it if needed
-        // in openapi-generator, we also store type in `type` for 3.1 schema
-        // to make it backward compatible with the rest of the code base.
-        if (schema.getType() != null) {
-            clone.setType(schema.getType());
+    public static Schema cloneSchema(Schema schema) {
+        try {
+            String json = TYPED_JSON_MAPPER.writeValueAsString(schema);
+            return TYPED_JSON_MAPPER.readValue(json, schema.getClass());
+        } catch (JsonProcessingException ex) {
+            LOGGER.error("Can't clone schema {}", schema, ex);
+            return schema;
         }
-
-        return clone;
     }
 
     @FunctionalInterface

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

@@ -37,7 +37,6 @@ import org.testng.annotations.Test;
 
 public class JavaInheritanceTest {
 
-
     @Test(description = "convert a composed model with parent")
     public void javaInheritanceTest() {
         final Schema parentModel = new Schema().name("Base");
@@ -181,4 +180,32 @@ public class JavaInheritanceTest {
         Assert.assertFalse(propertyCD.required);
         Assert.assertEquals(cm.requiredVars.size() + cm.optionalVars.size(), cm.allVars.size());
     }
+
+    @Test(description = "convert a composed model with parent with custom schema param")
+    public void javaInheritanceWithCustomSchemaTest() {
+        Schema custom = new Schema()
+                .name("Custom")
+                .addProperty("value", new StringSchema());
+        Schema parentModel = new Schema()
+                .name("Base")
+                .addProperty("customProperty", new Schema().type("custom"));
+        Schema schema = new ComposedSchema()
+                .name("Composed")
+                .addAllOfItem(new Schema().$ref("Base"));
+
+        OpenAPI openAPI = TestUtils.createOpenAPI();
+        openAPI.setComponents(new Components()
+                .addSchemas(custom.getName(), custom)
+                .addSchemas(parentModel.getName(), parentModel)
+                .addSchemas(schema.getName(), schema)
+        );
+
+        JavaClientCodegen codegen = new JavaClientCodegen();
+        codegen.setOpenAPI(openAPI);
+        codegen.schemaMapping()
+                .put("custom", custom.getName());
+        CodegenModel model = codegen.fromModel("sample", schema);
+
+        Assert.assertTrue(model.imports.contains(custom.getName()));
+    }
 }

modules/openapi-generator/src/test/java/org/openapitools/codegen/utils/ModelUtilsTest.java

@@ -26,6 +26,7 @@ import org.openapitools.codegen.TestUtils;
 import org.testng.Assert;
 import org.testng.annotations.Test;
 
+import java.math.BigDecimal;
 import java.util.*;
 
 public class ModelUtilsTest {
@@ -391,4 +392,58 @@ public class ModelUtilsTest {
         Schema complexComposedSchema = ModelUtils.getSchema(openAPI, "ComplexComposedSchema");
         Assert.assertTrue(ModelUtils.isComplexComposedSchema(complexComposedSchema));
     }
+
+    @Test
+    public void testCloneNumberSchema() {
+        Schema schema = new NumberSchema()
+                .name("test-schema")
+                .minimum(new BigDecimal(100));
+
+        Schema deepCopy = ModelUtils.cloneSchema(schema);
+
+        Assert.assertEquals(schema, deepCopy);
+    }
+
+    @Test
+    public void testCloneCustomSchema() {
+        Schema schema = new Schema().type("money");
+
+        Schema deepCopy = ModelUtils.cloneSchema(schema);
+
+        Assert.assertEquals(schema, deepCopy);
+    }
+
+    @Test
+    public void testCloneComposedSchema() {
+        Schema base1 = new Schema()
+                .name("Base1")
+                .addProperty("foo", new StringSchema());
+        Schema base2 = new Schema()
+                .name("Base2")
+                .addProperty("bar", new StringSchema());
+        Schema composedSchema = new ComposedSchema()
+                .name("Composed")
+                .allOf(List.of(base1, base2))
+                .addProperty("baz", new StringSchema());
+
+        var deepCopy = ModelUtils.cloneSchema(composedSchema);
+
+        Assert.assertEquals(composedSchema, deepCopy);
+    }
+
+    @Test
+    public void testCloneArrayOfEnumsSchema() {
+        Schema arraySchema = new Schema()
+                .name("ArrayType")
+                .type("array")
+                .items(new Schema()
+                        .type("string")
+                        ._enum(List.of("SUCCESS", "FAILURE", "SKIPPED"))
+                )
+                ._default(List.of("SUCCESS", "FAILURE"));
+
+        var deepCopy = ModelUtils.cloneSchema(arraySchema);
+
+        Assert.assertEquals(arraySchema, deepCopy);
+    }
 }

samples/client/echo_api/r/R/data_query.R

@@ -30,13 +30,13 @@ DataQuery <- R6::R6Class(
     #' Initialize a new DataQuery class.
     #'
     #' @param id Query
-    #' @param outcomes outcomes. Default to [SUCCESS, FAILURE].
+    #' @param outcomes outcomes. Default to ["SUCCESS","FAILURE"].
     #' @param suffix test suffix
     #' @param text Some text containing white spaces
     #' @param date A date
     #' @param ... Other optional arguments.
     #' @export
-    initialize = function(`id` = NULL, `outcomes` = [SUCCESS, FAILURE], `suffix` = NULL, `text` = NULL, `date` = NULL, ...) {
+    initialize = function(`id` = NULL, `outcomes` = ["SUCCESS","FAILURE"], `suffix` = NULL, `text` = NULL, `date` = NULL, ...) {
       if (!is.null(`id`)) {
         if (!(is.numeric(`id`) && length(`id`) == 1)) {
           stop(paste("Error! Invalid data for `id`. Must be an integer:", `id`))

samples/client/echo_api/r/docs/DataQuery.md

@@ -5,7 +5,7 @@
 Name | Type | Description | Notes
 ------------ | ------------- | ------------- | -------------
 **id** | **integer** | Query | [optional] 
-**outcomes** | **array[character]** |  | [optional] [default to [SUCCESS, FAILURE]] [Enum: ] 
+**outcomes** | **array[character]** |  | [optional] [default to ["SUCCESS","FAILURE"]] [Enum: ] 
 **suffix** | **character** | test suffix | [optional] 
 **text** | **character** | Some text containing white spaces | [optional] 
 **date** | **character** | A date | [optional]