def test_label_base_from_transform(self, x):
s = Continuous(trans="log")
a = PseudoAxis(s._setup(x, Coordinate())._matplotlib_scale)
a.set_view_interval(10, 1000)
label, = a.major.formatter.format_ticks([100])
assert r"10^{2}" in label
def test_log_tick_count(self, x):
with pytest.raises(RuntimeError, match="`count` requires"):
Continuous(trans="log").tick(count=4)
s = Continuous(trans="log").tick(count=4, between=(1, 1000))
a = PseudoAxis(s._setup(x, Coordinate())._matplotlib_scale)
a.set_view_interval(.5, 1050)
assert_array_equal(a.major.locator(), [1, 10, 100, 1000])
def test_coordinate_transform_error(self, x):
s = Continuous(trans="bad")
with pytest.raises(ValueError, match="Unknown value provided"):
s._setup(x, Coordinate())