[issue: #651] Adding initialization for non requiered containers in add/put method (#654)

* Adding initialization  for non requiered containers in add/put method

* Adding test

* Fix typo.

---------

Co-authored-by: ch02beh <[email protected]>
Co-authored-by: Helber Belmiro <[email protected]>

Author: 3 people

deployment/src/main/resources/templates/libraries/microprofile/pojo.qute

@@ -107,12 +107,18 @@ public class {m.classname} {#if m.parent}extends {m.parent}{/if}{#if m.serializa
     }
     {#if v.isArray}
     public {m.classname} add{v.nameInCamelCase}Item({v.items.datatypeWithEnum} {v.name}Item) {
+        if (this.{v.name} == null){
+            {v.name} = {#if v.defaultValue}{v.defaultValue}{#else}new {#if v.uniqueItems}LinkedHashSet{/if}{#if !v.uniqueItems}ArrayList{/if}<>(){/if};
+        }
         this.{v.name}.add({v.name}Item);
         return this;
     }
     {/if}
     {#if v.isMap}
     public {m.classname} put{v.nameInCamelCase}Item(String key, {v.items.datatypeWithEnum} {v.name}Item) {
+           if (this.{v.name} == null){
+                {v.name} = {#if v.defaultValue}{v.defaultValue}{#else}new HashMap<>(){/if};
+            }
         this.{v.name}.put(key, {v.name}Item);
         return this;
     }

integration-tests/array-enum/src/main/openapi/array-enum.yaml

@@ -30,6 +30,7 @@ paths:
 components:
   schemas:
     webhook_create_update_payload:
+      required: [url, subscriptions]
       type: object
       properties:
         url:
@@ -46,4 +47,13 @@ components:
               - message_created
               - message_updated
               - webwidget_triggered
-          description: The events you want to subscribe to.
+          description: The events you want to subscribe to.
+        message:
+          type: array
+          items:
+            type: string
+          description: Non required Field to safe messages
+        messageMap:
+          type: object
+          additionalProperties: true
+          description: Non required Map Field to safe messages

integration-tests/array-enum/src/test/java/io/quarkiverse/openapi/generator/it/ArrayEnumTest.java

@@ -7,6 +7,7 @@
 import org.eclipse.microprofile.rest.client.inject.RestClient;
 import org.junit.jupiter.api.Test;
 import org.openapi.quarkus.array_enum_yaml.api.ArrayEnumResourceApi;
+import org.openapi.quarkus.array_enum_yaml.model.WebhookCreateUpdatePayload;
 
 import io.quarkus.test.junit.QuarkusTest;
 
@@ -21,4 +22,18 @@ class ArrayEnumTest {
     void apiIsBeingGenerated() {
         assertThat(api).isNotNull();
     }
+
+    @Test
+    void modelNonRequiredFieldTest() {
+        WebhookCreateUpdatePayload webhookCreateUpdatePayload = new WebhookCreateUpdatePayload();
+
+        assertThat(webhookCreateUpdatePayload.getMessage()).isNull();
+        assertThat(webhookCreateUpdatePayload.getMessageMap()).isNull();
+
+        webhookCreateUpdatePayload.addMessageItem("Test");
+        webhookCreateUpdatePayload.putMessageMapItem("Test", "Test");
+
+        assertThat(webhookCreateUpdatePayload.getMessage()).isNotNull();
+        assertThat(webhookCreateUpdatePayload.getMessageMap()).isNotNull();
+    }
 }