cognito-identity: Support for list identity pools (#7055)

moto/cognitoidentity/models.py

@@ -174,5 +174,17 @@ class CognitoIdentityBackend(BaseBackend):
         """
         return json.dumps(self.pools_identities[identity_pool_id])
 
+    def list_identity_pools(self) -> str:
+        """
+        The MaxResults-parameter has not yet been implemented
+        """
+        return json.dumps(
+            {
+                "IdentityPools": [
+                    json.loads(pool.to_json()) for pool in self.identity_pools.values()
+                ]
+            }
+        )
+
 
 cognitoidentity_backends = BackendDict(CognitoIdentityBackend, "cognito-identity")

moto/cognitoidentity/responses.py

@@ -80,3 +80,6 @@ class CognitoIdentityResponse(BaseResponse):
         return self.backend.list_identities(
             self._get_param("IdentityPoolId") or get_random_identity_id(self.region)
         )
+
+    def list_identity_pools(self) -> str:
+        return self.backend.list_identity_pools()

tests/test_cognitoidentity/test_cognitoidentity.py

@@ -240,3 +240,15 @@ def test_list_identities():
     identities = conn.list_identities(IdentityPoolId=identity_pool_id, MaxResults=123)
     assert "IdentityPoolId" in identities and "Identities" in identities
     assert identity_id in [x["IdentityId"] for x in identities["Identities"]]
+
+
+@mock_cognitoidentity
+def test_list_identity_pools():
+    conn = boto3.client("cognito-identity", "us-west-2")
+    identity_pool_data = conn.create_identity_pool(
+        IdentityPoolName="test_identity_pool", AllowUnauthenticatedIdentities=True
+    )
+    identity_pool_id = identity_pool_data["IdentityPoolId"]
+    identity_data = conn.list_identity_pools(MaxResults=10)
+    assert identity_pool_id == identity_data["IdentityPools"][0]["IdentityPoolId"]
+    assert "test_identity_pool" == identity_data["IdentityPools"][0]["IdentityPoolName"]