Source code for pygal.test.test_sparktext

# -*- 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 sparktext rendering"""

from pygal import Line, Bar
from pygal._compat import u


[docs]def test_basic_sparktext(): """Test basic sparktext""" chart = Line() chart.add('_', [1, 5, 22, 13, 53]) assert chart.render_sparktext() == u('▁▁▃▂█')
[docs]def test_all_sparktext(): """Test all character sparktext""" chart = Line() chart.add('_', range(8)) assert chart.render_sparktext() == u('▁▂▃▄▅▆▇█')
[docs]def test_shifted_sparktext(): """Test relative_to option in sparktext""" chart = Line() chart.add('_', list(map(lambda x: x + 10000, range(8)))) assert chart.render_sparktext() == u('▁▂▃▄▅▆▇█') assert chart.render_sparktext(relative_to=0) == u('▇▇▇▇▇▇▇█')
[docs]def test_another_sparktext(): """Test that same data produces same sparktext""" chart = Line() chart.add('_', [0, 30, 55, 80, 33, 150]) assert chart.render_sparktext() == u('▁▂▃▄▂█') assert chart.render_sparktext() == chart.render_sparktext() chart2 = Bar() chart2.add('_', [0, 30, 55, 80, 33, 150]) assert chart2.render_sparktext() == chart.render_sparktext()
[docs]def test_negative_and_float__sparktext(): """Test negative values""" """Test negative values""" chart = Line() chart.add('_', [0.1, 0.2, 0.9, -0.5]) assert chart.render_sparktext() == u('▁▂█▁')
[docs]def test_no_data_sparktext(): """Test no data sparktext""" chart2 = Line() chart2.add('_', []) assert chart2.render_sparktext() == u('') chart3 = Line() assert chart3.render_sparktext() == u('')
[docs]def test_same_max_and_relative_values_sparktext(): """Test flat sparktexts""" chart = Line() chart.add('_', [0, 0, 0, 0, 0]) assert chart.render_sparktext() == u('▁▁▁▁▁') chart2 = Line() chart2.add('_', [1, 1, 1, 1, 1]) assert chart2.render_sparktext(relative_to=1) == u('▁▁▁▁▁')