Tags with only name provided are being added to the openAPI.tags field. Fixes #1648.

Author: bnasslahsen

springdoc-openapi-common/src/main/java/org/springdoc/core/OpenAPIService.java

@@ -330,8 +330,8 @@ public Operation buildTags(HandlerMethod handlerMethod, Operation operation, Ope
 		Set<io.swagger.v3.oas.models.tags.Tag> tags = new HashSet<>();
 		Set<String> tagsStr = new HashSet<>();
 
-		buildTagsFromClass(handlerMethod.getBeanType(), tags, tagsStr, locale);
 		buildTagsFromMethod(handlerMethod.getMethod(), tags, tagsStr, locale);
+		buildTagsFromClass(handlerMethod.getBeanType(), tags, tagsStr, locale);
 
 		if (!CollectionUtils.isEmpty(tagsStr))
 			tagsStr = tagsStr.stream()
@@ -425,13 +425,14 @@ private void buildTagsFromMethod(Method method, Set<io.swagger.v3.oas.models.tag
 	 */
 	private void addTags(List<Tag> sourceTags, Set<io.swagger.v3.oas.models.tags.Tag> tags, Locale locale) {
 		Optional<Set<io.swagger.v3.oas.models.tags.Tag>> optionalTagSet = AnnotationsUtils
-				.getTags(sourceTags.toArray(new Tag[0]), false);
+				.getTags(sourceTags.toArray(new Tag[0]), true);
 		optionalTagSet.ifPresent(tagsSet -> {
 			tagsSet.forEach(tag -> {
 				tag.name(propertyResolverUtils.resolve(tag.getName(), locale));
 				tag.description(propertyResolverUtils.resolve(tag.getDescription(), locale));
+				if (tags.stream().noneMatch(t -> t.getName().equals(tag.getName())))
+					tags.add(tag);
 			});
-			tags.addAll(tagsSet);
 		});
 	}
 

springdoc-openapi-javadoc/src/test/resources/results/app1.json

@@ -14,20 +14,6 @@
       "description": "Generated server url"
     }
   ],
-  "tags": [
-    {
-      "name": "inventory"
-    },
-    {
-      "name": "people"
-    },
-    {
-      "name": "tea"
-    },
-    {
-      "name": "items"
-    }
-  ],
   "paths": {
     "/{email}": {
       "get": {
@@ -445,12 +431,12 @@
               }
             }
           },
-          "400": {
-            "description": "invalid input, object invalid"
-          },
           "201": {
             "description": "item created"
           },
+          "400": {
+            "description": "invalid input, object invalid"
+          },
           "409": {
             "description": "an existing item already exists"
           }
@@ -687,4 +673,4 @@
       }
     }
   }
-}
+}

springdoc-openapi-javadoc/src/test/resources/results/app100.json

@@ -10,14 +10,6 @@
       "description": "Generated server url"
     }
   ],
-  "tags": [
-    {
-      "name": "hello-ap1"
-    },
-    {
-      "name": "hello-ap2"
-    }
-  ],
   "paths": {
     "/search": {
       "get": {
@@ -81,4 +73,4 @@
       }
     }
   }
-}
+}

springdoc-openapi-javadoc/src/test/resources/results/app104.json

@@ -10,11 +10,6 @@
       "description": "Generated server url"
     }
   ],
-  "tags": [
-    {
-      "name": "design"
-    }
-  ],
   "paths": {
     "/design": {
       "get": {

springdoc-openapi-javadoc/src/test/resources/results/app122.json

@@ -10,11 +10,6 @@
       "description": "Generated server url"
     }
   ],
-  "tags": [
-    {
-      "name": "example"
-    }
-  ],
   "paths": {
     "/": {
       "post": {
@@ -78,4 +73,4 @@
       }
     }
   }
-}
+}

springdoc-openapi-javadoc/src/test/resources/results/app134-1.json

@@ -10,11 +10,6 @@
       "description": "Generated server url"
     }
   ],
-  "tags": [
-    {
-      "name": "The sample resource"
-    }
-  ],
   "paths": {
     "/{id}": {
       "get": {

springdoc-openapi-javadoc/src/test/resources/results/app134-2.json

@@ -10,11 +10,6 @@
       "description": "Generated server url"
     }
   ],
-  "tags": [
-    {
-      "name": "The sample resource"
-    }
-  ],
   "paths": {
     "/search": {
       "post": {

springdoc-openapi-javadoc/src/test/resources/results/app134-3.json

@@ -10,11 +10,6 @@
       "description": "Generated server url"
     }
   ],
-  "tags": [
-    {
-      "name": "The sample resource"
-    }
-  ],
   "paths": {
     "/{id}": {
       "get": {

springdoc-openapi-javadoc/src/test/resources/results/app134-4.json

@@ -10,11 +10,6 @@
       "description": "Generated server url"
     }
   ],
-  "tags": [
-    {
-      "name": "The sample resource"
-    }
-  ],
   "paths": {
     "/{id}": {
       "get": {

springdoc-openapi-javadoc/src/test/resources/results/app134-5.json

@@ -10,11 +10,6 @@
       "description": "Generated server url"
     }
   ],
-  "tags": [
-    {
-      "name": "The sample resource"
-    }
-  ],
   "paths": {
     "/search": {
       "post": {