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