use moto to mock s3

tests/app/main/views/test_send.py

@@ -11,6 +11,7 @@ from zipfile import BadZipFile
 
 import pytest
 from flask import url_for
+from moto import mock_aws
 from notifications_python_client.errors import HTTPError
 from xlrd.biffh import XLRDError
 from xlrd.xldate import XLDateAmbiguous, XLDateError, XLDateNegative, XLDateTooLarge
@@ -426,6 +427,7 @@ def test_example_spreadsheet(
     list(zip(test_spreadsheet_files, repeat(True), repeat(302)))
     + list(zip(test_non_spreadsheet_files, repeat(False), repeat(200))),
 )
+@mock_aws
 def test_upload_files_in_different_formats(
     filename,
     acceptable_file,
@@ -465,6 +467,7 @@ def test_upload_files_in_different_formats(
         )
 
 
+@mock_aws
 def test_send_messages_sanitises_and_truncates_file_name_for_metadata(
     client_request,
     service_one,
@@ -572,6 +575,7 @@ def test_shows_error_if_parsing_exception(
     )
 
 
+@mock_aws
 def test_upload_csv_file_with_errors_shows_check_page_with_errors(
     client_request,
     service_one,
@@ -619,6 +623,7 @@ def test_upload_csv_file_with_errors_shows_check_page_with_errors(
     assert "Upload your file again" in page.text
 
 
+@mock_aws
 def test_upload_csv_file_with_empty_message_shows_check_page_with_errors(
     client_request,
     service_one,
@@ -671,6 +676,7 @@ def test_upload_csv_file_with_empty_message_shows_check_page_with_errors(
     assert page.select("tbody tr td")[1]["colspan"] == "2"
 
 
+@mock_aws
 def test_upload_csv_file_with_very_long_placeholder_shows_check_page_with_errors(
     client_request,
     service_one,
@@ -807,6 +813,7 @@ def test_upload_csv_file_with_very_long_placeholder_shows_check_page_with_errors
         ),
     ],
 )
+@mock_aws
 def test_upload_csv_file_with_missing_columns_shows_error(
     client_request,
     mocker,
@@ -882,6 +889,7 @@ def test_upload_csv_size_too_big(
     assert "File must be smaller than 10Mb" in page.text
 
 
+@mock_aws
 def test_upload_valid_csv_redirects_to_check_page(
     client_request,
     mock_get_service_template_with_placeholders,
@@ -928,6 +936,7 @@ def test_upload_valid_csv_redirects_to_check_page(
         ),
     ],
 )
+@mock_aws
 def test_upload_valid_csv_shows_preview_and_table(
     client_request,
     mocker,
@@ -1021,6 +1030,7 @@ def test_upload_valid_csv_shows_preview_and_table(
             assert normalize_spaces(str(row.select("td")[index])) == cell
 
 
+@mock_aws
 def test_show_all_columns_if_there_are_duplicate_recipient_columns(
     client_request,
     mocker,
@@ -1071,6 +1081,7 @@ def test_show_all_columns_if_there_are_duplicate_recipient_columns(
         (5, 404),
     ],
 )
+@mock_aws
 def test_404_for_previewing_a_row_out_of_range(
     client_request,
     mocker,
@@ -1519,6 +1530,7 @@ def test_send_one_off_redirects_to_end_if_step_out_of_bounds(
         create_active_caseworking_user(),
     ],
 )
+@mock_aws
 def test_send_one_off_redirects_to_start_if_you_skip_steps(
     client_request,
     service_one,
@@ -1623,6 +1635,7 @@ def test_send_one_off_sms_message_redirects(
         create_active_caseworking_user(),
     ],
 )
+@mock_aws
 def test_send_one_off_email_to_self_without_placeholders_redirects_to_check_page(
     client_request,
     mocker,
@@ -1828,6 +1841,7 @@ def test_download_example_csv(
     assert "text/csv" in response.headers["Content-Type"]
 
 
+@mock_aws
 def test_upload_csvfile_with_valid_phone_shows_all_numbers(
     client_request,
     mock_get_service_template,

tests/notifications_utils/test_s3.py

@@ -2,6 +2,7 @@ from urllib.parse import parse_qs
 
 import botocore
 import pytest
+from moto import mock_aws
 
 from notifications_utils.s3 import S3ObjectNotFound, s3download, s3upload
 
@@ -12,6 +13,7 @@ location = "some_file_location"
 content_type = "binary/octet-stream"
 
 
+@mock_aws
 def test_s3upload_save_file_to_bucket(mocker):
     mocked = mocker.patch("notifications_utils.s3.Session.resource")
     s3upload(