Implemented ListPhoneNumbersOptedOut + Tests

moto/sns/responses.py

@@ -519,6 +519,10 @@ class SNSResponse(BaseResponse):
         template = self.response_template(CHECK_IF_OPTED_OUT_TEMPLATE)
         return template.render(opt_out=str(number.endswith('99')).lower())
 
+    def list_phone_numbers_opted_out(self):
+        template = self.response_template(LIST_OPTOUT_TEMPLATE)
+        return template.render(opt_outs=['+447420500600', '+447420505401'])
+
 
 CREATE_TOPIC_TEMPLATE = """<CreateTopicResponse xmlns="http://sns.amazonaws.com/doc/2010-03-31/">
      <CreateTopicResult>
@@ -858,4 +862,17 @@ ERROR_RESPONSE = """<ErrorResponse xmlns="http://sns.amazonaws.com/doc/2010-03-3
     <Message>{{ message }}</Message>
   </Error>
   <RequestId>9dd01905-5012-5f99-8663-4b3ecd0dfaef</RequestId>
-</ErrorResponse>"""
+</ErrorResponse>"""
+
+LIST_OPTOUT_TEMPLATE = """<ListPhoneNumbersOptedOutResponse xmlns="http://sns.amazonaws.com/doc/2010-03-31/">
+  <ListPhoneNumbersOptedOutResult>
+    <phoneNumbers>
+      {% for item in opt_outs %}
+      <member>{{ item }}</member>
+      {% endfor %}
+    </phoneNumbers>
+  </ListPhoneNumbersOptedOutResult>
+  <ResponseMetadata>
+    <RequestId>985e196d-a237-51b6-b33a-4b5601276b38</RequestId>
+  </ResponseMetadata>
+</ListPhoneNumbersOptedOutResponse>"""

tests/test_sns/test_sms_boto3.py

@@ -59,3 +59,13 @@ def test_check_opted_out_invalid():
     # Invalid phone number
     with assert_raises(ClientError):
         conn.check_if_phone_number_is_opted_out(phoneNumber='+44742LALALA')
+
+
+@mock_sns
+def test_list_opted_out():
+    conn = boto3.client('sns', region_name='us-east-1')
+    response = conn.list_phone_numbers_opted_out()
+
+    response.should.contain('phoneNumbers')
+    response['phoneNumbers'].should.contain('+447420500600')
+    response['phoneNumbers'].should.contain('+447420505401')