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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.
from prompt_toolkit.application import Application
from prompt_toolkit.layout import Layout
from awscli.customizations.wizard.app import WizardTraverser
from awscli.customizations.wizard.ui.utils import (
get_ui_control_by_buffer_name,
move_to_previous_prompt,
)
from awscli.testutils import mock, unittest
class TestGetUIControlByName(unittest.TestCase):
def test_get_ui_control_by_name(self):
layout = mock.Mock(Layout)
desired_ui_control = mock.Mock()
desired_ui_control.buffer.name = 'desired-buffer'
other_ui_control = mock.Mock()
other_ui_control.buffer.name = 'different-name'
layout.find_all_controls.return_value = [
object(), # Does not have a buffer property
other_ui_control,
desired_ui_control,
]
self.assertIs(
get_ui_control_by_buffer_name(layout, 'desired-buffer'),
desired_ui_control,
)
def test_raises_error_when_no_matching_ui_control_found(self):
layout = mock.Mock(Layout)
layout.find_all_controls.return_value = []
with self.assertRaises(ValueError):
get_ui_control_by_buffer_name(layout, 'buffer-does-not-exist')
class TestMoveToPreviousPrompt(unittest.TestCase):
def test_move_to_previous_prompt(self):
app = mock.Mock(Application)
app.layout = mock.Mock(Layout)
previous_control = mock.Mock()
previous_control.buffer.name = 'previous'
app.layout.find_all_controls.return_value = [
previous_control,
]
app.traverser = mock.Mock(WizardTraverser)
app.traverser.previous_prompt.return_value = 'previous'
move_to_previous_prompt(app)
app.layout.focus.assert_called_with(previous_control)
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