Source code for pygal.test.test_util

# -*- coding: utf-8 -*-
# This file is part of pygal
#
# A python svg graph plotting library
# Copyright © 2012-2016 Kozea
#
# This library is free software: you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option) any
# later version.
#
# This library 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 Lesser General Public License for more
# details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with pygal. If not, see <http://www.gnu.org/licenses/>.

"""Utility functions tests"""

from pygal._compat import u, _ellipsis
from pygal.util import (
    round_to_int, round_to_float, _swap_curly, template,
    truncate, minify_css, majorize, mergextend)
from pytest import raises
import sys


[docs]def test_round_to_int(): """Test round to int function""" assert round_to_int(154231, 1000) == 154000 assert round_to_int(154231, 10) == 154230 assert round_to_int(154231, 100000) == 200000 assert round_to_int(154231, 50000) == 150000 assert round_to_int(154231, 500) == 154000 assert round_to_int(154231, 200) == 154200 assert round_to_int(154361, 200) == 154400
[docs]def test_round_to_float(): """Test round to float function""" assert round_to_float(12.01934, .01) == 12.02 assert round_to_float(12.01134, .01) == 12.01 assert round_to_float(12.1934, .1) == 12.2 assert round_to_float(12.1134, .1) == 12.1 assert round_to_float(12.1134, .001) == 12.113 assert round_to_float(12.1134, .00001) == 12.1134 assert round_to_float(12.1934, .5) == 12.0 assert round_to_float(12.2934, .5) == 12.5
[docs]def test_swap_curly(): """Test swap curly function""" for str in ( 'foo', u('foo foo foo bar'), 'foo béè b¡ð/ijə˘©þß®~¯æ', u('foo béè b¡ð/ijə˘©þß®~¯æ')): assert _swap_curly(str) == str assert _swap_curly('foo{bar}baz') == 'foo{{bar}}baz' assert _swap_curly('foo{{bar}}baz') == 'foo{bar}baz' assert _swap_curly('{foo}{{bar}}{baz}') == '{{foo}}{bar}{{baz}}' assert _swap_curly('{foo}{{{bar}}}{baz}') == '{{foo}}{{{bar}}}{{baz}}' assert _swap_curly('foo{ bar }baz') == 'foo{{ bar }}baz' assert _swap_curly('foo{ bar}baz') == 'foo{{ bar}}baz' assert _swap_curly('foo{bar }baz') == 'foo{{bar }}baz' assert _swap_curly('foo{{ bar }}baz') == 'foo{bar}baz' assert _swap_curly('foo{{bar }}baz') == 'foo{bar}baz' assert _swap_curly('foo{{ bar}}baz') == 'foo{bar}baz'
[docs]def test_format(): """Test format function""" assert template('foo {{ baz }}', baz='bar') == 'foo bar' with raises(KeyError): assert template('foo {{ baz }}') == 'foo baz' class Object(object): pass obj = Object() obj.a = 1 obj.b = True obj.c = '3' assert template( 'foo {{ o.a }} {{o.b}}-{{o.c}}', o=obj) == 'foo 1 True-3'
[docs]def test_truncate(): """Test truncate function""" assert truncate('1234567890', 50) == '1234567890' assert truncate('1234567890', 5) == u('1234…') assert truncate('1234567890', 1) == u('…') assert truncate('1234567890', 9) == u('12345678…') assert truncate('1234567890', 10) == '1234567890' assert truncate('1234567890', 0) == '1234567890' assert truncate('1234567890', -1) == '1234567890'
[docs]def test_minify_css(): """Test css minifier function""" css = ''' /* * Font-sizes from config, override with care */ .title { font-family: sans; font-size: 12 ; } .legends .legend text { font-family: monospace; font-size: 14 ;} ''' assert minify_css(css) == ( '.title{font-family:sans;font-size:12}' '.legends .legend text{font-family:monospace;font-size:14}')
[docs]def test_majorize(): """Test majorize function""" assert majorize(()) == [] assert majorize((0,)) == [] assert majorize((0, 1)) == [] assert majorize((0, 1, 2)) == [] assert majorize((-1, 0, 1, 2)) == [0] assert majorize((0, .1, .2, .3, .4, .5, .6, .7, .8, .9, 1)) == [0, .5, 1] assert majorize((0, .2, .4, .6, .8, 1)) == [0, 1] assert majorize((-.4, -.2, 0, .2, .4, .6, .8, 1)) == [0, 1] assert majorize( (-1, -.8, -.6, -.4, -.2, 0, .2, .4, .6, .8, 1)) == [-1, 0, 1] assert majorize((0, .2, .4, .6, .8, 1, 1.2, 1.4, 1.6)) == [0, 1] assert majorize((0, .2, .4, .6, .8, 1, 1.2, 1.4, 1.6, 1.8, 2)) == [0, 1, 2] assert majorize( (0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120)) == [0, 50, 100] assert majorize( (0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30, 32, 34, 36)) == [0, 10, 20, 30] assert majorize((0, 1, 2, 3, 4, 5)) == [0, 5] assert majorize((-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5)) == [-5, 0, 5] assert majorize((-5, 5, -4, 4, 0, 1, -1, 3, -2, 2, -3)) == [-5, 0, 5] assert majorize((0, 1, 2, 3, 4)) == [0] assert majorize((3, 4, 5, 6)) == [5] assert majorize((0, 1, 2, 3, 4, 5, 6, 7, 8)) == [0, 5] assert majorize((-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5)) == [-5, 0, 5] assert majorize((-6, -5, -4, -3, -2, -1, 0, 1, 2, 3)) == [-5, 0] assert majorize((-6, -5, -4, -3)) == [-5] assert majorize((1, 10, 100, 1000, 10000, 100000)) == [] assert majorize(range(30, 70, 5)) == [30, 40, 50, 60] assert majorize(range(20, 55, 2)) == [20, 30, 40, 50] assert majorize(range(21, 83, 3)) == [30, 45, 60, 75]
# TODO: handle crazy cases # assert majorize(range(20, 83, 3)) == [20, 35, 50, 65, 80]
[docs]def test_mergextend(): """Test mergextend function""" assert mergextend(['a', 'b'], ['c', 'd']) == ['a', 'b'] assert mergextend([], ['c', 'd']) == [] assert mergextend(['a', 'b'], []) == ['a', 'b'] assert mergextend([_ellipsis], ['c', 'd']) == ['c', 'd'] assert mergextend([_ellipsis, 'b'], ['c', 'd']) == ['c', 'd', 'b'] assert mergextend(['a', _ellipsis], ['c', 'd']) == ['a', 'c', 'd'] assert mergextend(['a', _ellipsis, 'b'], ['c', 'd']) == [ 'a', 'c', 'd', 'b'] if sys.version_info[0] >= 3: # For @#! sake it's 2016 now assert eval("mergextend(['a', ..., 'b'], ['c', 'd'])") == [ 'a', 'c', 'd', 'b']