def test_save_and_read(self):
signal_ref = Signal(data_save)
signal_ref.metadata.General.title = test_title
signal_ref.axes_manager[0].name = 'x'
signal_ref.axes_manager[1].name = 'y'
signal_ref.axes_manager[2].name = 'z'
signal_ref.axes_manager[0].scale = 2
signal_ref.axes_manager[1].scale = 3
signal_ref.axes_manager[2].scale = 4
signal_ref.axes_manager[0].offset = 10
signal_ref.axes_manager[1].offset = 20
signal_ref.axes_manager[2].offset = 30
signal_ref.axes_manager[0].units = 'nmx'
signal_ref.axes_manager[1].units = 'nmy'
signal_ref.axes_manager[2].units = 'nmz'
signal_ref.save(os.path.join(my_path, 'emd_files', 'example_temp.emd'), overwrite=True,
signal_metadata=sig_metadata, user=user, microscope=microscope,
sample=sample, comments=comments)
signal = load(os.path.join(my_path, 'emd_files', 'example_temp.emd'))
np.testing.assert_equal(signal.data, signal_ref.data)
np.testing.assert_equal(signal.axes_manager[0].name, 'x')
np.testing.assert_equal(signal.axes_manager[1].name, 'y')
np.testing.assert_equal(signal.axes_manager[2].name, 'z')
np.testing.assert_equal(signal.axes_manager[0].scale, 2)
np.testing.assert_equal(signal.axes_manager[1].scale, 3)
np.testing.assert_equal(signal.axes_manager[2].scale, 4)
np.testing.assert_equal(signal.axes_manager[0].offset, 10)
np.testing.assert_equal(signal.axes_manager[1].offset, 20)
np.testing.assert_equal(signal.axes_manager[2].offset, 30)
np.testing.assert_equal(signal.axes_manager[0].units, 'nmx')
np.testing.assert_equal(signal.axes_manager[1].units, 'nmy')
np.testing.assert_equal(signal.axes_manager[2].units, 'nmz')
np.testing.assert_equal(signal.metadata.General.title, test_title)
np.testing.assert_equal(
signal.metadata.General.user.as_dictionary(), user)
np.testing.assert_equal(
signal.metadata.General.microscope.as_dictionary(),
microscope)
np.testing.assert_equal(
signal.metadata.General.sample.as_dictionary(), sample)
np.testing.assert_equal(
signal.metadata.General.comments.as_dictionary(), comments)
for key, ref_value in sig_metadata.items():
np.testing.assert_equal(
signal.metadata.Signal.as_dictionary().get(key), ref_value)
nt.assert_is_instance(signal, Signal)
