def test_plot_error_map_backend_v1(self):
"""Test plotting error map with fake backend v1."""
backend = FakeKolkata()
img_ref = path_to_diagram_reference("kolkata_error.png")
fig = plot_error_map(backend)
with BytesIO() as img_buffer:
fig.savefig(img_buffer, format="png")
img_buffer.seek(0)
self.assertImagesAreEqual(Image.open(img_buffer), img_ref, 0.2)
plt.close(fig)
def test_plot_error_map_over_100_qubit_backend_v2(self):
"""Test plotting error map with large fake backendv2."""
backend = FakeWashingtonV2()
img_ref = path_to_diagram_reference("washington_v2_error.png")
fig = plot_error_map(backend)
with BytesIO() as img_buffer:
fig.savefig(img_buffer, format="png")
img_buffer.seek(0)
self.assertImagesAreEqual(Image.open(img_buffer), img_ref, 0.2)
plt.close(fig)
def detailed_map(backend):
"""Widget for displaying detailed noise map.
Args:
backend (IBMQBackend | FakeBackend): The backend.
Returns:
GridBox: Widget holding noise map images.
"""
error_widget = widgets.Output(
layout=widgets.Layout(display='flex-inline', align_items='center'))
with error_widget:
display(plot_error_map(backend, figsize=(11, 9), show_title=False))
return error_widget