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# Copyright 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
import contextlib
import io
import logging
from prompt_toolkit.buffer import Buffer
from awscli.autoprompt.logger import PromptToolkitHandler
from awscli.testutils import mock, unittest
class TestPromptToolkitHandler(unittest.TestCase):
@mock.patch('awscli.autoprompt.logger.get_app')
def test_can_log_to_prompter(self, get_app):
handler = PromptToolkitHandler()
handler.setLevel(logging.DEBUG)
log = logging.getLogger('test_prompt_logger')
log.setLevel(logging.DEBUG)
log.handlers = []
log.addHandler(handler)
buffer = Buffer()
app = mock.Mock()
app.debug = True
app.is_running = True
app.layout.get_buffer_by_name.return_value = buffer
get_app.return_value = app
log.debug('error message')
self.assertIn('error message', buffer.document.text)
def test_log_to_stderr_if_no_app(self):
fake_stderr = io.StringIO()
with contextlib.redirect_stderr(fake_stderr):
handler = PromptToolkitHandler()
handler.setLevel(logging.DEBUG)
log = logging.getLogger('test_prompt_logger')
log.handlers = []
log.addHandler(handler)
log.setLevel(logging.DEBUG)
log.debug('error message')
self.assertIn('error message', fake_stderr.getvalue())
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