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# (C) Copyright 2004-2023 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
from unittest import TestCase
from traitsui.helper import compute_column_widths
from traitsui.tests._tools import BaseTestMixin
class TestComputeColumnWidths(BaseTestMixin, TestCase):
def setUp(self):
BaseTestMixin.setUp(self)
def tearDown(self):
BaseTestMixin.tearDown(self)
def test_all_default(self):
available_space = 200
requested = [-1, -1, -1, -1]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [50, 50, 50, 50])
def test_all_fixed(self):
available_space = 200
requested = [10, 50, 40, 20]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [10, 50, 40, 20])
def test_all_fixed_too_wide(self):
available_space = 100
requested = [10, 50, 40, 20]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [10, 50, 40, 20])
def test_all_weighted(self):
available_space = 200
requested = [0.3, 0.2, 0.25, 0.25]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [60, 40, 50, 50])
def test_all_weighted_default_min(self):
available_space = 200
requested = [0.4, 0.1, 0.1, 0.4]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [70, 30, 30, 70])
def test_mixed(self):
available_space = 200
requested = [0.5, 50, 25, 0.75]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [50, 50, 25, 75])
def test_mixed_too_wide(self):
available_space = 100
requested = [0.5, 50, 25, 0.75]
widths = compute_column_widths(available_space, requested, None, None)
self.assertEqual(widths, [30, 50, 25, 30])
def test_user_widths(self):
available_space = 225
requested = [0.5, 50, 25, 0.75]
user_widths = [None, None, 50, None]
widths = compute_column_widths(
available_space, requested, None, user_widths
)
self.assertEqual(widths, [50, 50, 50, 75])
def test_min_widths(self):
available_space = 225
requested = [0.5, 50, 0.25, 0.75]
min_widths = [30, 100, 50, 30]
widths = compute_column_widths(
available_space, requested, min_widths, None
)
self.assertEqual(widths, [50, 50, 50, 75])
def test_user_and_min_widths(self):
available_space = 200
requested = [0.5, 50, 0.25, 0.75]
min_widths = [30, 100, 50, 30]
user_widths = [None, 75, 25, 50]
widths = compute_column_widths(
available_space, requested, min_widths, user_widths
)
self.assertEqual(widths, [50, 75, 25, 50])
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