def test_load_wrong_ext(tmpdir):
"""
Tests whether the results of `s_parameters()` for the same frequency on
an exported and reloaded model are (close) to the same.
"""
p = tmpdir.mkdir("persist").join("export")
with pytest.raises(ValueError):
import_model(p)
def test_ebeam_wg_integral_1550(tmpdir):
"""Tests whether the results of `s_parameters()` for the same frequency on
an exported and reloaded model are (close) to the same."""
p = tmpdir.mkdir("persist").join("export")
wg1 = ebeam_wg_integral_1550(100e-9)
export_model(wg1, p, wl=np.linspace(1520e-9, 1580e-9, 51))
wg = import_model(p + ".mdl")
wg2 = wg()
freq = np.linspace(wl2freq(1540e-9), wl2freq(1560e-9), 50)
assert np.allclose(wg1.s_parameters(freq), wg2.s_parameters(freq))