137 lines
5.2 KiB
Python
137 lines
5.2 KiB
Python
# Copyright 2019 Canonical, Ltd.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as
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# published by the Free Software Foundation, either version 3 of the
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# License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from collections import defaultdict
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from unittest import TestCase
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from urwid import Text
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from subiquitycore.ui.table import ColSpec, TableRow, _compute_widths_for_size
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class TestComputeWidthsForSize(TestCase):
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def rowsForContentSizes(self, sizes):
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rows = []
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for row in sizes:
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cells = []
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for size in row:
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if not isinstance(size, tuple):
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span = 1
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else:
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span, size = size
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cells.append((span, Text("x" * size)))
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rows.append(TableRow(cells))
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return rows
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def test_simple(self):
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trows = self.rowsForContentSizes([[10]])
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widths, total, has_unpacked = _compute_widths_for_size(
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100, trows, defaultdict(ColSpec, {}), 0
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)
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self.assertEqual(
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({0: 10}, 10, False),
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(widths, total, has_unpacked),
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)
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def test_two_cols(self):
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trows = self.rowsForContentSizes([[10, 10]])
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widths, total, has_unpacked = _compute_widths_for_size(
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100, trows, defaultdict(ColSpec, {}), 0
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)
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self.assertEqual(
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({0: 10, 1: 0, 2: 10}, 20, False),
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(widths, total, has_unpacked),
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)
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def test_two_cols_confined(self):
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# When there is not enough space for the table, a column with
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# can_shrink=True is not assigned a width so urwid can give
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# that column as much space as it can.
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trows = self.rowsForContentSizes([[10, 10]])
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colspecs = defaultdict(ColSpec, {0: ColSpec(can_shrink=True)})
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widths, total, has_unpacked = _compute_widths_for_size(15, trows, colspecs, 0)
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self.assertEqual(
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({1: 0, 2: 10}, 15, False),
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(widths, total, has_unpacked),
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)
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def test_two_cols_spacing(self):
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trows = self.rowsForContentSizes([[10, 10]])
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widths, total, has_unpacked = _compute_widths_for_size(
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100, trows, defaultdict(ColSpec, {}), 2
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)
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self.assertEqual(
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({0: 10, 1: 2, 2: 10}, 22, False),
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(widths, total, has_unpacked),
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)
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def test_three_cols_spacing_rpad(self):
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# rpad overrides the spacing to the right of a column
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trows = self.rowsForContentSizes([[10, 10, 10]])
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colspecs = defaultdict(ColSpec, {0: ColSpec(rpad=40)})
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widths, total, has_unpacked = _compute_widths_for_size(100, trows, colspecs, 2)
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self.assertEqual(
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({0: 10, 1: 40, 2: 10, 3: 2, 4: 10}, 72, False),
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(widths, total, has_unpacked),
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)
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def test_no_inherent_width(self):
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# If a column has no cells that span only that column, it gets
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# allocated space in preference to other columns. Content
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# like this:
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#
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# [[(2, "longer content567890"), "shorter890"],
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# ["shorter890", (2, "longer content5")]]
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#
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# should be rendered like this:
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#
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# +----------------------+------------+
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# | longer content567890 | shorter890 |
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# +------------+---------+------------+
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# | shorter890 | longer content5 |
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# +------------+----------------------+
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trows = self.rowsForContentSizes([[(2, 20), 10], [10, (2, 15)]])
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widths, total, has_unpacked = _compute_widths_for_size(
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100, trows, defaultdict(ColSpec, {}), 0
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)
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self.assertEqual(
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({0: 10, 1: 0, 2: 10, 3: 0, 4: 10}, 30, False),
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(widths, total, has_unpacked),
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)
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def test_no_inherent_width_confined(self):
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# [[(2, "longer content567890"), "shorter890"],
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# ["shorter890", (2, "longer content5")]]
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#
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# should be rendered like this if the view is not quite wide
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# enough (and column 1 has can_shrink=True):
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#
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# +--------------------+------------+
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# | longer content5678 | shorter890 |
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# | 90 | |
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# +------------+-------+------------+
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# | shorter890 | longer content5 |
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# +------------+--------------------+
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#
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# This is represented by column 1 not being assigned a width
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# at all, so urwid gives it as much space as it can.
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trows = self.rowsForContentSizes([[(2, 20), 10], [10, (2, 15)]])
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colspecs = defaultdict(ColSpec, {1: ColSpec(can_shrink=True)})
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widths, total, has_unpacked = _compute_widths_for_size(28, trows, colspecs, 0)
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self.assertEqual(
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({0: 10, 1: 0, 3: 0, 4: 10}, 28, False),
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(widths, total, has_unpacked),
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)
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