def test_gap_size_two_rows(self):
"""
Test that that the gap size of two rows is equivalent to the gap between the limits.
"""
viz = Population(drawable.Drawable)
lim = (0, 1)
self.assertEqual(lim[1] - lim[0], viz._gap_size(lim, 2))
lim = (0.2, 0.8)
self.assertEqual(lim[1] - lim[0], viz._gap_size(lim, 2))
def test_gap_size_multiple_rows(self):
"""
Test that that the gap size of multiple rows fills the space between the limits.
"""
viz = Population(drawable.Drawable)
lim, rows = (0, 1), 4
self.assertEqual(lim[1],
lim[0] + viz._gap_size(lim, rows) * (rows - 1))
lim, rows = (0.2, 0.8), 5
self.assertEqual(lim[1],
lim[0] + viz._gap_size(lim, rows) * (rows - 1))
def test_gap_size_one_row(self):
"""
Test that that the gap size of one row is 0.
"""
viz = Population(drawable.Drawable)
self.assertEqual(0, viz._gap_size((0, 1), 1))