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# Copyright 2001 by Brad Chapman. All rights reserved.
# This code is part of the Biopython distribution and governed by its
# license. Please see the LICENSE file that should have been included
# as part of this package.
"""Test for graphics things that don't really deserve there own test module."""
import os
import random
import unittest
from Bio import MissingExternalDependencyError
try:
# Skip the test if reportlab is not installed
import reportlab as r
del r
except ImportError:
raise MissingExternalDependencyError(
"Install reportlab if you want to use Bio.Graphics."
) from None
# the stuff we're testing
from Bio.Graphics.Comparative import ComparativeScatterPlot
class ComparativeTest(unittest.TestCase):
"""Do tests for modules involved with comparing data."""
def setUp(self):
self.min_num_points = 1
self.max_num_points = 500
self.min_point_num = 0
self.max_point_num = 200
def _make_random_points(self, num_two_d_lists):
"""Make a bunch of random points for testing plots."""
plot_info = []
random.seed(num_two_d_lists) # for reproducibility
for two_d_list in range(num_two_d_lists):
cur_list = []
num_points = random.randrange(self.min_num_points, self.max_num_points)
for point in range(num_points):
x_point = random.randrange(self.min_point_num, self.max_point_num)
y_point = random.randrange(self.min_point_num, self.max_point_num)
cur_list.append((x_point, y_point))
plot_info.append(cur_list)
return plot_info
def test_simple_scatter_plot_1(self):
"""Test creation of a simple ScatterPlot with one list."""
compare_plot = ComparativeScatterPlot()
compare_plot.display_info = self._make_random_points(1)
output_file = os.path.join(os.getcwd(), "Graphics", "scatter_test_1.pdf")
compare_plot.draw_to_file(output_file, "Testing Scatter Plots")
def test_simple_scatter_plot_7(self):
"""Test creation of a simple ScatterPlot with more lists."""
compare_plot = ComparativeScatterPlot()
# There are 6 pre-defined colors and symbols, doing more:
compare_plot.display_info = self._make_random_points(7)
output_file = os.path.join(os.getcwd(), "Graphics", "scatter_test_7.pdf")
compare_plot.draw_to_file(output_file, "Testing Scatter Plots")
if __name__ == "__main__":
runner = unittest.TextTestRunner(verbosity=2)
unittest.main(testRunner=runner)
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