def test_edge_cases_visualization_empty_subplot(self):
"""`visualization.Visualization.empty_subplot`: Edge Case Validator.
Tests the behavior of `Visualization.empty_subplot` with edge cases.
Raises:
Exception: If at least one `Exception` raised is not of the expected
kind.
"""
v = Visualization("Title", (1, 1))
"""Visualization: Plotter instance."""
with self.assertRaises(IndexError):
# Subplot index out of range.
v._empty_subplot(1)
v.close()
def test_invalid_args_visualization_empty_subplot(self):
"""`visualization.Visualization.empty_subplot`: Argument Validator.
Tests the behavior of `Visualization.empty_subplot` with invalid
argument counts and values.
Raises:
Exception: If at least one `Exception` raised is not of the expected
kind.
"""
v = Visualization("Title", (1, 1))
"""Visualization: Plotter instance."""
with self.assertRaises(TypeError):
# No arguments.
v._empty_subplot()
with self.assertRaises(TypeError):
# Too many arguments.
v._empty_subplot(0, 0)
with self.assertRaises(TypeError):
# Non-integer index `i`.
v._empty_subplot(None)
v.close()
def test_random_visualization_empty_subplot(self):
"""`visualization.Visualization.empty_subplot`: Randomized Validator.
Tests the behavior of `Visualization.empty_subplot` by feeding it
randomly generated arguments.
Raises:
AssertionError: If `Visualization.empty_subplot` needs debugging.
"""
for i in range(self.n_tests):
v = Visualization("Title", (3, 3))
"""Visualization: Plotter instance."""
for i in range(9):
v._empty_subplot(i)
# There should be x- or y-ticks.
self.assertEqual(len(v._ax[i].get_xticks()), 0)
self.assertEqual(len(v._ax[i].get_yticks()), 0)
v.close()
