added resourcegroupstaggingapi support for sns (#7337)

moto/resourcegroupstaggingapi/models.py

@@ -19,6 +19,7 @@ from moto.moto_api._internal import mock_random
 from moto.rds.models import RDSBackend, rds_backends
 from moto.redshift.models import RedshiftBackend, redshift_backends
 from moto.s3.models import S3Backend, s3_backends
+from moto.sns.models import SNSBackend, sns_backends
 from moto.sqs.models import SQSBackend, sqs_backends
 from moto.utilities.tagging_service import TaggingService
 
@@ -97,6 +98,10 @@ class ResourceGroupsTaggingAPIBackend(BaseBackend):
     def acm_backend(self) -> AWSCertificateManagerBackend:
         return acm_backends[self.account_id][self.region_name]
 
+    @property
+    def sns_backend(self) -> SNSBackend:
+        return sns_backends[self.account_id][self.region_name]
+
     @property
     def sqs_backend(self) -> SQSBackend:
         return sqs_backends[self.account_id][self.region_name]
@@ -492,6 +497,17 @@ class ResourceGroupsTaggingAPIBackend(BaseBackend):
 
                 yield {"ResourceARN": f"{queue.queue_arn}", "Tags": tags}
 
+        # SNS
+        if not resource_type_filters or "sns" in resource_type_filters:
+
+            for topic in self.sns_backend.topics.values():
+                tags = format_tags(topic._tags)
+                if not tags or not tag_filter(
+                    tags
+                ):  # Skip if no tags, or invalid filter
+                    continue
+                yield {"ResourceARN": f"{topic.arn}", "Tags": tags}
+
         # VPC
         if (
             not resource_type_filters

tests/test_resourcegroupstaggingapi/test_resourcegroupstaggingapi.py

@@ -745,6 +745,21 @@ def test_get_resources_sqs():
     assert {"Key": "Test", "Value": "1"} in resp["ResourceTagMappingList"][0]["Tags"]
 
 
+@mock_aws
+def test_get_resources_sns():
+    sns = boto3.client("sns", region_name="us-east-1")
+
+    sns.create_topic(Name="test", Tags=[{"Key": "Shape", "Value": "Square"}])
+
+    rtapi = boto3.client("resourcegroupstaggingapi", region_name="us-east-1")
+    resp = rtapi.get_resources(ResourceTypeFilters=["sns"])
+
+    assert len(resp["ResourceTagMappingList"]) == 1
+    assert {"Key": "Shape", "Value": "Square"} in resp["ResourceTagMappingList"][0][
+        "Tags"
+    ]
+
+
 @mock_aws
 def test_tag_resources_for_unknown_service():
     rtapi = boto3.client("resourcegroupstaggingapi", region_name="us-west-2")