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# -*- 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/>.
"""Test formatters"""
from pygal import formatters
def test_human_readable():
"""Test human_readable formatter"""
f = formatters.human_readable
assert f(1) == '1'
assert f(1.) == '1'
assert f(10) == '10'
assert f(12.5) == '12.5'
assert f(1000) == '1k'
assert f(5000) == '5k'
assert f(100000) == '100k'
assert f(1253) == '1.253k'
assert f(1250) == '1.25k'
assert f(0.1) == '100m'
assert f(0.01) == '10m'
assert f(0.001) == '1m'
assert f(0.002) == '2m'
assert f(0.0025) == '2.5m'
assert f(0.0001) == '100µ'
assert f(0.000123) == '123µ'
assert f(0.00001) == '10µ'
assert f(0.000001) == '1µ'
assert f(0.0000001) == '100n'
assert f(0.0000000001) == '100p'
assert f(0) == '0'
assert f(0.) == '0'
assert f(-1337) == '-1.337k'
assert f(-.000000042) == '-42n'
def test_human_readable_custom():
"""Test human_readable formatter option"""
f = formatters.HumanReadable()
assert f(None) == '∅'
f = formatters.HumanReadable(none_char='/')
assert f(None) == '/'
def test_significant():
"""Test significant formatter"""
f = formatters.significant
assert f(1) == '1'
assert f(1.) == '1'
assert f(-1.) == '-1'
assert f(10) == '10'
assert f(10000000000) == '1e+10'
assert f(100000000000) == '1e+11'
assert f(120000000000) == '1.2e+11'
assert f(.1) == '0.1'
assert f(.01) == '0.01'
assert f(.0000000001) == '1e-10'
assert f(-.0000000001) == '-1e-10'
assert f(.0000000001002) == '1.002e-10'
assert f(.0000000001002) == '1.002e-10'
assert f(.12345678912345) == '0.1234567891'
assert f(.012345678912345) == '0.01234567891'
assert f(12345678912345) == '1.234567891e+13'
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