import unittest import medical_data_visualizer import matplotlib as mpl # the test case class CatPlotTestCase(unittest.TestCase): def setUp(self): self.fig = medical_data_visualizer.draw_cat_plot() self.ax = self.fig.axes[0] def test_line_plot_labels(self): actual = self.ax.get_xlabel() expected = "variable" self.assertEqual(actual, expected, "Expected line plot xlabel to be 'variable'") actual = self.ax.get_ylabel() expected = "total" self.assertEqual(actual, expected, "Expected line plot ylabel to be 'total'") actual = [] for label in self.ax.get_xaxis().get_majorticklabels(): actual.append(label.get_text()) expected = ['active', 'alco', 'cholesterol', 'gluc', 'overweight', 'smoke'] self.assertEqual(actual, expected, "Expected bar plot secondary x labels to be 'active', 'alco', 'cholesterol', 'gluc', 'overweight', 'smoke'") def test_bar_plot_number_of_bars(self): actual = len([rect for rect in self.ax.get_children() if isinstance(rect, mpl.patches.Rectangle)]) expected = 13 self.assertEqual(actual, expected, "Expected a different number of bars chart.") class HeatMapTestCase(unittest.TestCase): def setUp(self): self.fig = medical_data_visualizer.draw_heat_map() self.ax = self.fig.axes[0] def test_heat_map_labels(self): actual = [] for label in self.ax.get_xticklabels(): actual.append(label.get_text()) expected = ['id', 'age', 'gender', 'height', 'weight', 'ap_hi', 'ap_lo', 'cholesterol', 'gluc', 'smoke', 'alco', 'active', 'cardio', 'overweight'] self.assertEqual(actual, expected, "Expected bar plot legend labels to be months of the year.") def test_heat_map_values(self): actual = [text.get_text() for text in self.ax.get_default_bbox_extra_artists() if isinstance(text, mpl.text.Text)] print(actual) expected = ['0.0', '0.0', '-0.0', '0.0', '-0.1', '0.5', '0.0', '0.1', '0.1', '0.3', '0.0', '0.0', '0.0', '0.0', '0.0', '0.0', '0.2', '0.1', '0.0', '0.2', '0.1', '0.0', '0.1', '-0.0', '-0.1', '0.1', '0.0', '0.2', '0.0', '0.1', '-0.0', '-0.0', '0.1', '0.0', '0.1', '0.4', '-0.0', '-0.0', '0.3', '0.2', '0.1', '-0.0', '0.0', '0.0', '-0.0', '-0.0', '-0.0', '0.2', '0.1', '0.1', '0.0', '0.0', '0.0', '0.0', '0.3', '0.0', '-0.0', '0.0', '-0.0', '-0.0', '-0.0', '0.0', '0.0', '-0.0', '0.0', '0.0', '0.0', '0.2', '0.0', '-0.0', '0.2', '0.1', '0.3', '0.2', '0.1', '-0.0', '-0.0', '-0.0', '-0.0', '0.1', '-0.1', '-0.1', '0.7', '0.0', '0.2', '0.1', '0.1', '-0.0', '0.0', '-0.0', '0.1'] self.assertEqual(actual, expected, "Expected differnt values in heat map.") if __name__ == "__main__": unittest.main()