From ce91a8d615e4f566ee140223abdd2ff0e2f82497 Mon Sep 17 00:00:00 2001
From: Maksymilian Babarowski <maksymilian.babarowski@gmail.com>
Date: Sat, 23 Oct 2021 13:32:56 +0200
Subject: [PATCH] =?UTF-8?q?cognito-idp=20=E2=80=93=20Implemented=20admin?=
 =?UTF-8?q?=5Fconfirm=5Fsign=5Fup=20(#4462)=20(#4463)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 moto/cognitoidp/models.py                | 12 ++++++
 moto/cognitoidp/responses.py             |  7 ++++
 tests/test_cognitoidp/test_cognitoidp.py | 53 ++++++++++++++++++++++++
 3 files changed, 72 insertions(+)

diff --git a/moto/cognitoidp/models.py b/moto/cognitoidp/models.py
index c904f06ef..3fe810b2b 100644
--- a/moto/cognitoidp/models.py
+++ b/moto/cognitoidp/models.py
@@ -706,6 +706,18 @@ class CognitoIdpBackend(BaseBackend):
         user_pool.users[user.username] = user
         return user
 
+    def admin_confirm_sign_up(self, user_pool_id, username):
+        user_pool = self.user_pools.get(user_pool_id)
+        if not user_pool:
+            raise ResourceNotFoundError(f"User pool {user_pool_id} does not exist.")
+
+        user = user_pool._get_user(username)
+        if not user:
+            raise UserNotFoundError(f"User does not exist.")
+
+        user.status = UserStatus["CONFIRMED"]
+        return ""
+
     def admin_get_user(self, user_pool_id, username):
         user_pool = self.user_pools.get(user_pool_id)
         if not user_pool:
diff --git a/moto/cognitoidp/responses.py b/moto/cognitoidp/responses.py
index 1b46a53be..43f655ffd 100644
--- a/moto/cognitoidp/responses.py
+++ b/moto/cognitoidp/responses.py
@@ -318,6 +318,13 @@ class CognitoIdpResponse(BaseResponse):
 
         return json.dumps({"User": user.to_json(extended=True)})
 
+    def admin_confirm_sign_up(self):
+        user_pool_id = self._get_param("UserPoolId")
+        username = self._get_param("Username")
+        return cognitoidp_backends[self.region].admin_confirm_sign_up(
+            user_pool_id, username
+        )
+
     def admin_get_user(self):
         user_pool_id = self._get_param("UserPoolId")
         username = self._get_param("Username")
diff --git a/tests/test_cognitoidp/test_cognitoidp.py b/tests/test_cognitoidp/test_cognitoidp.py
index be9c63a26..dbe59f656 100644
--- a/tests/test_cognitoidp/test_cognitoidp.py
+++ b/tests/test_cognitoidp/test_cognitoidp.py
@@ -1276,6 +1276,59 @@ def test_admin_create_existing_user():
     caught.should.be.true
 
 
+@mock_cognitoidp
+def test_admin_confirm_sign_up():
+    conn = boto3.client("cognito-idp", "us-east-1")
+
+    username = str(uuid.uuid4())
+    password = "Passw0rd!"
+    user_pool_id = conn.create_user_pool(
+        PoolName="us-east-1_aaaaaaaa", AutoVerifiedAttributes=["email"]
+    )["UserPool"]["Id"]
+    client_id = conn.create_user_pool_client(
+        UserPoolId=user_pool_id, ClientName=str(uuid.uuid4()), GenerateSecret=False
+    )["UserPoolClient"]["ClientId"]
+    conn.sign_up(ClientId=client_id, Username=username, Password=password)
+    user = conn.admin_get_user(UserPoolId=user_pool_id, Username=username)
+
+    user["UserStatus"].should.equal("UNCONFIRMED")
+
+    conn.admin_confirm_sign_up(UserPoolId=user_pool_id, Username=username)
+    user = conn.admin_get_user(UserPoolId=user_pool_id, Username=username,)
+
+    user["UserStatus"].should.equal("CONFIRMED")
+
+
+@mock_cognitoidp
+def test_admin_confirm_sign_up_non_existing_user():
+    conn = boto3.client("cognito-idp", "us-east-1")
+
+    username = str(uuid.uuid4())
+    user_pool_id = conn.create_user_pool(
+        PoolName="us-east-1_aaaaaaaa", AutoVerifiedAttributes=["email"]
+    )["UserPool"]["Id"]
+
+    with pytest.raises(ClientError) as exc:
+        conn.admin_confirm_sign_up(UserPoolId=user_pool_id, Username=username)
+
+    err = exc.value.response["Error"]
+    err["Code"].should.equal("UserNotFoundException")
+    err["Message"].should.equal(f"User does not exist.")
+
+
+@mock_cognitoidp
+def test_admin_confirm_sign_up_non_existing_pool():
+    conn = boto3.client("cognito-idp", "us-east-1")
+
+    user_pool_id = "us-east-1_aaaaaaaa"
+    with pytest.raises(ClientError) as exc:
+        conn.admin_confirm_sign_up(UserPoolId=user_pool_id, Username=str(uuid.uuid4()))
+
+    err = exc.value.response["Error"]
+    err["Code"].should.equal("ResourceNotFoundException")
+    err["Message"].should.equal(f"User pool {user_pool_id} does not exist.")
+
+
 @mock_cognitoidp
 def test_admin_resend_invitation_existing_user():
     conn = boto3.client("cognito-idp", "us-west-2")