/usr/lib/python3/dist-packages/pygal/test/test_interpolate.py is in python3-pygal 2.4.0-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 | # -*- 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/>.
"""Interpolations tests"""
from pygal.test import make_data
def test_cubic(Chart, datas):
"""Test cubic interpolation"""
chart = Chart(interpolate='cubic')
chart = make_data(chart, datas)
assert chart.render()
def test_cubic_prec(Chart, datas):
"""Test cubic interpolation precision"""
chart = Chart(interpolate='cubic', interpolation_precision=200)
chart = make_data(chart, datas)
chart_low = Chart(interpolate='cubic', interpolation_precision=5)
chart_low = make_data(chart, datas)
assert len(chart.render()) >= len(chart_low.render())
def test_quadratic(Chart, datas):
"""Test quadratic interpolation"""
chart = Chart(interpolate='quadratic')
chart = make_data(chart, datas)
assert chart.render()
def test_lagrange(Chart, datas):
"""Test lagrange interpolation"""
chart = Chart(interpolate='lagrange')
chart = make_data(chart, datas)
assert chart.render()
def test_trigonometric(Chart, datas):
"""Test trigonometric interpolation"""
chart = Chart(interpolate='trigonometric')
chart = make_data(chart, datas)
assert chart.render()
def test_hermite(Chart, datas):
"""Test hermite interpolation"""
chart = Chart(interpolate='hermite')
chart = make_data(chart, datas)
assert chart.render()
def test_hermite_finite(Chart, datas):
"""Test hermite finite difference interpolation"""
chart = Chart(interpolate='hermite',
interpolation_parameters={'type': 'finite_difference'})
chart = make_data(chart, datas)
assert chart.render()
def test_hermite_cardinal(Chart, datas):
"""Test hermite cardinal interpolation"""
chart = Chart(interpolate='hermite',
interpolation_parameters={'type': 'cardinal', 'c': .75})
chart = make_data(chart, datas)
assert chart.render()
def test_hermite_catmull_rom(Chart, datas):
"""Test hermite catmull rom interpolation"""
chart = Chart(interpolate='hermite',
interpolation_parameters={'type': 'catmull_rom'})
chart = make_data(chart, datas)
assert chart.render()
def test_hermite_kochanek_bartels(Chart, datas):
"""Test hermite kochanek bartels interpolation"""
chart = Chart(interpolate='hermite',
interpolation_parameters={
'type': 'kochanek_bartels', 'b': -1, 'c': 1, 't': 1})
chart = make_data(chart, datas)
assert chart.render()
chart = Chart(interpolate='hermite',
interpolation_parameters={
'type': 'kochanek_bartels', 'b': -1, 'c': -8, 't': 0})
chart = make_data(chart, datas)
assert chart.render()
chart = Chart(interpolate='hermite',
interpolation_parameters={
'type': 'kochanek_bartels', 'b': 0, 'c': 10, 't': -1})
chart = make_data(chart, datas)
assert chart.render()
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