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