def test_time_axis(time_intervals):
axis = TimeMapAxis(time_intervals["t_min"], time_intervals["t_max"],
time_intervals["t_ref"])
axis_copy = axis.copy()
assert axis.nbin == 20
assert axis.name == "time"
assert axis.node_type == "intervals"
assert_allclose(axis.time_delta.to_value("min"), 60)
assert_allclose(axis.time_mid[0].mjd, 58927.020833333336)
assert "time" in axis.__str__()
assert "20" in axis.__str__()
with pytest.raises(ValueError):
axis.assert_name("bad")
assert axis_copy == axis
assert not axis.is_contiguous
ax_cont = axis.to_contiguous()
assert_allclose(ax_cont.nbin, 39)
def test_time_axis_plot_helpers():
time_ref = Time('1999-01-01T00:00:00.123456789')
time_axis = TimeMapAxis(edges_min=[0, 1, 3] * u.d,
edges_max=[0.8, 1.9, 5.4] * u.d,
reference_time=time_ref)
labels = time_axis.as_plot_labels
assert labels[0] == "1999-01-01 00:00:00.123 - 1999-01-01 19:12:00.123"
center = time_axis.as_plot_center
assert center[0].year == 1999
edges = time_axis.to_contiguous().as_plot_edges
assert edges[0].year == 1999