refs #4836 - use array schema description

Author: jochenberger

modules/swagger-core/src/main/java/io/swagger/v3/core/util/AnnotationsUtils.java

@@ -553,7 +553,12 @@ public static Optional<Schema> getArraySchema(io.swagger.v3.oas.annotations.medi
                 getSchema(arraySchema.schema(), arraySchema, false, arraySchema.schema().implementation(), components, jsonViewAnnotation, openapi31).ifPresent(arraySchemaObject::setItems);
             }
         }
-
+        if (openapi31) {
+            Optional.ofNullable(arraySchema.arraySchema())
+                .map(io.swagger.v3.oas.annotations.media.Schema::description)
+                .filter(StringUtils::isNotBlank)
+                .ifPresent(arraySchemaObject::setDescription);
+        }
         return Optional.of(arraySchemaObject);
     }
 

modules/swagger-core/src/test/java/io/swagger/v3/core/resolving/v31/ModelResolverOAS31Test.java

@@ -30,8 +30,10 @@ public void testAnnotatedArray() {
         SerializationMatchers.assertEqualsToYaml31(model, "type: array\n" +
                 "contains:\n" +
                 "  type: string\n" +
+                "description: arraydescription\n" +
                 "items:\n" +
                 "  type: string\n" +
+                "  description: itemdescription\n"+
                 "maxContains: 10\n" +
                 "minContains: 1\n" +
                 "prefixItems:\n" +
@@ -115,8 +117,10 @@ public void testOAS31Fields() {
                 "      type: array\n" +
                 "      contains:\n" +
                 "        type: string\n" +
+                "      description: arraydescription\n" +
                 "      items:\n" +
                 "        type: string\n" +
+                "        description: itemdescription\n" +
                 "      maxContains: 10\n" +
                 "      minContains: 1\n" +
                 "      prefixItems:\n" +

modules/swagger-core/src/test/java/io/swagger/v3/core/resolving/v31/model/AnnotatedArray.java

@@ -13,8 +13,10 @@
                 types = { "number" }
         ),
         schema = @Schema(
-                types = { "string" }
+                types = { "string" },
+                description = "itemdescription"
         ),
+        arraySchema = @Schema(description = "arraydescription"),
         prefixItems = {
                 @Schema(
                         types = { "string" }

modules/swagger-core/src/test/java/io/swagger/v3/core/resolving/v31/model/ModelWithOAS31Stuff.java

@@ -23,6 +23,11 @@ public class ModelWithOAS31Stuff {
     private Client client;
 
     @ArraySchema(
+            schema = @Schema(
+                    types = { "string" },
+                    description = "itemdescription"
+            ),
+            arraySchema = @Schema(description = "arraydescription"),
             maxContains = 10,
             minContains = 1,
             contains = @Schema(