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tests.py
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tests.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Program: Python unittest
Version: 20230208
@author: Pranab Das (GitHub: @pranabdas)
Run : python3 tests.py
or : python3 -m unittest tests.py
"""
import unittest
from numpy import testing, flip
from src.load_ses_spectra import load_ses_spectra
from src.load_ses_map import load_ses_map
from src.k_conv import k_conv
from src.k_conv3d import k_conv3d
from src.k_conv3d_mp import k_conv3d_mp
from src.k_conv3d_mp_alt import k_conv3d_mp_alt
from src.crop_2d import crop_2d
from src.line_profile import line_profile
from src.plane_slice import plane_slice
from src.rotate_2d import rotate_2d
from src.rotate_3d import rotate_3d
# load the data from url. If you have the data files locally, you may replace
# the urls with local file path
url = "https://pranabdas.github.io/drive/datasets/arpes/sample_spectrum.txt"
data, energy, angle = load_ses_spectra(url)
# for the Fermi map data
url = 'https://pranabdas.github.io/drive/datasets/arpes/sample_map_data.zip'
data_map, energy_map, theta, phi = load_ses_map(url)
class Test(unittest.TestCase):
def test_load_ses_spectra(self):
self.assertEqual(data.shape, (301, 571))
self.assertEqual(len(energy), 301)
self.assertEqual(len(angle), 571)
self.assertAlmostEqual(data[200, 200], 106.00164747)
self.assertEqual(energy[300], 16.9)
self.assertEqual(angle[400], 3.5441056)
def test_load_ses_map(self):
self.assertEqual(data_map.shape, (365, 571, 51))
self.assertEqual(len(energy_map), 365)
self.assertEqual(len(theta), 571)
self.assertEqual(len(phi), 51)
self.assertAlmostEqual(data_map[200, 200, 25], 77.57816314)
self.assertEqual(energy_map[200], 16.58)
self.assertAlmostEqual(theta[200], -2.7009340)
self.assertEqual(phi[30], 1.0)
def test_k_conv(self):
data_k, e_bin, k = k_conv(data, energy, angle, 16.67)
self.assertEqual(data_k.shape, (301, 571))
self.assertEqual(len(e_bin), 301)
self.assertEqual(len(k), 571)
self.assertAlmostEqual(data_k[200, 200], 96.51326542, places=3)
self.assertAlmostEqual(e_bin[200], 0.27)
self.assertAlmostEqual(k[200], -0.09881188)
# change data ordering
def test2_k_conv(self):
data_k, e_bin, k = k_conv(data[::-1, ...], energy[::-1], angle, 16.67)
self.assertEqual(data_k.shape, (301, 571))
self.assertEqual(len(e_bin), 301)
self.assertEqual(len(k), 571)
self.assertAlmostEqual(
data_k[::-1, ...][200, 200], 96.51326542, places=3)
self.assertAlmostEqual(e_bin[::-1][200], 0.27)
self.assertAlmostEqual(k[200], -0.09881188)
def test_k_conv3d(self):
data_k, e_bin, kx, ky = k_conv3d(
data_map, energy_map, theta, phi, 16.67)
self.assertEqual(data_k.shape, (365, 571, 51))
self.assertEqual(len(e_bin), 365)
self.assertEqual(len(kx), 571)
self.assertEqual(len(ky), 51)
self.assertAlmostEqual(data_k[200, 300, 25], 79.90909761, places=3)
self.assertAlmostEqual(e_bin[250], -0.40999999)
self.assertAlmostEqual(kx[300], 0.01603355)
self.assertAlmostEqual(ky[30], 0.03809519)
# change data ordering
def test2_k_conv3d(self):
data_k, e_bin, kx, ky = k_conv3d(
flip(data_map, 1), energy_map, theta[::-1], phi, 16.67)
self.assertEqual(data_k.shape, (365, 571, 51))
self.assertEqual(len(e_bin), 365)
self.assertEqual(len(kx), 571)
self.assertEqual(len(ky), 51)
self.assertAlmostEqual(
flip(data_k, 1)[200, 300, 25], 79.90909761, places=3)
self.assertAlmostEqual(e_bin[250], -0.40999999)
self.assertAlmostEqual(kx[::-1][300], 0.01603355)
self.assertAlmostEqual(ky[30], 0.03809519)
def test_k_conv3d_mp(self):
data_k, e_bin, kx, ky = k_conv3d_mp(
data_map, energy_map, theta, phi, 16.67)
self.assertEqual(data_k.shape, (365, 571, 51))
self.assertEqual(len(e_bin), 365)
self.assertEqual(len(kx), 571)
self.assertEqual(len(ky), 51)
self.assertAlmostEqual(data_k[200, 300, 25], 79.90909761, places=3)
self.assertAlmostEqual(e_bin[250], -0.40999999)
self.assertAlmostEqual(kx[300], 0.01603355)
self.assertAlmostEqual(ky[30], 0.03809519)
data_k_, _, _, _ = k_conv3d(data_map, energy_map, theta, phi, 16.67)
testing.assert_array_equal(data_k, data_k_)
# change data ordering
def test2_k_conv3d_mp(self):
data_k, e_bin, kx, ky = k_conv3d_mp(
flip(data_map, 1), energy_map, theta[::-1], phi, 16.67)
self.assertEqual(data_k.shape, (365, 571, 51))
self.assertEqual(len(e_bin), 365)
self.assertEqual(len(kx), 571)
self.assertEqual(len(ky), 51)
self.assertAlmostEqual(
flip(data_k, 1)[200, 300, 25], 79.90909761, places=3)
self.assertAlmostEqual(e_bin[250], -0.40999999)
self.assertAlmostEqual(kx[::-1][300], 0.01603355)
self.assertAlmostEqual(ky[30], 0.03809519)
# change data ordering
def test3_k_conv3d_mp(self):
data_k, e_bin, kx, ky = k_conv3d_mp(
flip(data_map, 2), energy_map, theta, phi[::-1], 16.67)
self.assertEqual(data_k.shape, (365, 571, 51))
self.assertEqual(len(e_bin), 365)
self.assertEqual(len(kx), 571)
self.assertEqual(len(ky), 51)
self.assertAlmostEqual(
flip(data_k, 2)[200, 300, 25], 79.90909761, places=3)
self.assertAlmostEqual(e_bin[250], -0.40999999)
self.assertAlmostEqual(kx[300], 0.01603355)
self.assertAlmostEqual(ky[::-1][30], 0.03809519)
def test_k_conv3d_mp_alt(self):
data_k, e_bin, kx, ky = k_conv3d_mp_alt(
data_map, energy_map, theta, phi, 16.67)
self.assertEqual(data_k.shape, (365, 571, 51))
self.assertEqual(len(e_bin), 365)
self.assertEqual(len(kx), 571)
self.assertEqual(len(ky), 51)
self.assertAlmostEqual(data_k[200, 300, 25], 79.90909761, places=3)
self.assertAlmostEqual(e_bin[250], -0.40999999)
self.assertAlmostEqual(kx[300], 0.01603355)
self.assertAlmostEqual(ky[30], 0.03809519)
data_k_, _, _, _ = k_conv3d_mp(data_map, energy_map, theta, phi, 16.67)
testing.assert_almost_equal(data_k, data_k_)
# change data ordering
def test2_k_conv3d_mp_alt(self):
data_k, e_bin, kx, ky = k_conv3d_mp_alt(
flip(data_map, 1), energy_map, theta[::-1], phi, 16.67)
self.assertEqual(data_k.shape, (365, 571, 51))
self.assertEqual(len(e_bin), 365)
self.assertEqual(len(kx), 571)
self.assertEqual(len(ky), 51)
self.assertAlmostEqual(
flip(data_k, 1)[200, 300, 25], 79.90909761, places=3)
self.assertAlmostEqual(e_bin[250], -0.40999999)
self.assertAlmostEqual(kx[::-1][300], 0.01603355)
self.assertAlmostEqual(ky[30], 0.03809519)
def test_crop_2d(self):
data_crop, x_crop, y_crop = crop_2d(
data, energy, angle, 16, 16.8, -6, 4)
self.assertEqual(data_crop.shape, (161, 322))
self.assertEqual(len(x_crop), 161)
self.assertEqual(len(y_crop), 322)
self.assertAlmostEqual(data_crop[100, 100], 358.26367950)
self.assertAlmostEqual(x_crop[50], 16.25)
self.assertAlmostEqual(y_crop[50], -4.449648)
# flip min/max
def test2_crop_2d(self):
data_crop, x_crop, y_crop = crop_2d(
data, energy, angle, 16.8, 16, 4, -6)
self.assertEqual(data_crop.shape, (161, 322))
self.assertEqual(len(x_crop), 161)
self.assertEqual(len(y_crop), 322)
self.assertAlmostEqual(data_crop[100, 100], 358.26367950)
self.assertAlmostEqual(x_crop[50], 16.25)
self.assertAlmostEqual(y_crop[50], -4.449648)
# change data ordering
def test3_crop_2d(self):
data_crop, x_crop, y_crop = crop_2d(
data[::-1, ...], energy[::-1], angle, 16, 16.8, -6, 4)
self.assertEqual(data_crop.shape, (161, 322))
self.assertEqual(len(x_crop), 161)
self.assertEqual(len(y_crop), 322)
self.assertAlmostEqual(data_crop[::-1, ...][100, 100], 358.26367950)
self.assertAlmostEqual(x_crop[::-1][50], 16.25)
self.assertAlmostEqual(y_crop[50], -4.449648)
def test_line_profile(self):
edc = line_profile(data, angle, -3, 3)
mdc = line_profile(data.T, energy, 16.5, 16.7)
self.assertAlmostEqual(edc[250], 103690.02924323082)
self.assertAlmostEqual(mdc[250], 28385.215015411377)
def test2_line_profile(self):
"""
test it works when x_min is greater than x_max
"""
edc = line_profile(data, angle, 3, -3)
mdc = line_profile(data.T, energy, 16.7, 16.5)
self.assertAlmostEqual(edc[250], 103690.02924323082)
self.assertAlmostEqual(mdc[250], 28385.215015411377)
def test3_line_profile(self):
"""
test it works when angle values are not in increasing order
"""
edc = line_profile(data, angle, -3, 3)
mdc = line_profile(data.T, energy, 16.5, 16.7)
self.assertAlmostEqual(edc[250], 103690.02924323082)
self.assertAlmostEqual(mdc[250], 28385.215015411377)
def test_plane_slice(self):
surf = plane_slice(data_map, energy_map, 15.6, 15.8)
self.assertAlmostEqual(surf[175, 25], 10639.354034423828)
surf = plane_slice(data_map.transpose([2, 0, 1]), phi, -0.5, 0.5)
self.assertAlmostEqual(surf[175, 25], 43.904175247997046)
def test2_plane_slice(self):
"""
test it works when x_min is greater than x_max
"""
surf = plane_slice(data_map, energy_map, 15.8, 15.6)
self.assertAlmostEqual(surf[175, 25], 10639.354034423828)
surf = plane_slice(data_map.transpose([2, 0, 1]), phi, -0.5, 0.5)
self.assertAlmostEqual(surf[175, 25], 43.904175247997046)
def test3_plane_slice(self):
"""
test it works when energy values are not in increasing order
"""
surf = plane_slice(data_map[::-1, ...], energy_map[::-1], 15.8, 15.6)
self.assertAlmostEqual(surf[175, 25], 10639.354034423828)
surf = plane_slice(data_map.transpose([2, 0, 1]), phi, -0.5, 0.5)
self.assertAlmostEqual(surf[175, 25], 43.904175247997046)
def test_rotate_2d(self):
data_r, theta_r, phi_r = rotate_2d(data_map[150, :, :], 45, theta, phi)
self.assertEqual(data_r.shape, (439, 439))
self.assertEqual(len(theta_r), 439)
self.assertEqual(len(phi_r), 439)
self.assertAlmostEqual(data_r[200, 250], 143.48184917, places=3)
self.assertAlmostEqual(theta_r[200], -0.88572823)
self.assertAlmostEqual(phi_r[400], 8.15602716)
def test2_rotate_2d(self):
data_r, theta_r, phi_r = rotate_2d(flip(data_map[150, :, :], 0), 45, theta[::-1], phi)
self.assertEqual(data_r.shape, (439, 439))
self.assertEqual(len(theta_r), 439)
self.assertEqual(len(phi_r), 439)
self.assertAlmostEqual(flip(data_r, 0)[200, 250], 143.48184917, places=3)
self.assertAlmostEqual(theta_r[::-1][200], -0.88572823)
self.assertAlmostEqual(phi_r[400], 8.15602716)
def test3_rotate_2d(self):
data_r, theta_r, phi_r = rotate_2d(flip(data_map[150, :, :], 1), 45, theta, phi[::-1])
self.assertEqual(data_r.shape, (439, 439))
self.assertEqual(len(theta_r), 439)
self.assertEqual(len(phi_r), 439)
self.assertAlmostEqual(flip(data_r, 1)[200, 250], 143.48184917, places=3)
self.assertAlmostEqual(theta_r[200], -0.88572823)
self.assertAlmostEqual(phi_r[::-1][400], 8.15602716)
def test_rotate_3d(self):
data_r, theta_r, phi_r = rotate_3d(data_map, 45, theta, phi)
self.assertEqual(data_r.shape, (365, 439, 439))
self.assertEqual(len(theta_r), 439)
self.assertEqual(len(phi_r), 439)
self.assertAlmostEqual(data_r[200, 250, 150], 1.80742301, places=3)
self.assertAlmostEqual(theta_r[200], -0.88572823)
self.assertAlmostEqual(phi_r[400], 8.15602716)
def test2_rotate_3d(self):
data_r, theta_r, phi_r = rotate_3d(flip(data_map, 1), 45, theta[::-1], phi)
self.assertEqual(data_r.shape, (365, 439, 439))
self.assertEqual(len(theta_r), 439)
self.assertEqual(len(phi_r), 439)
self.assertAlmostEqual(flip(data_r, 1)[200, 250, 150], 1.80742301, places=3)
self.assertAlmostEqual(theta_r[::-1][200], -0.88572823)
self.assertAlmostEqual(phi_r[400], 8.15602716)
def test3_rotate_3d(self):
data_r, theta_r, phi_r = rotate_3d(flip(data_map, 2), 45, theta, phi[::-1])
self.assertEqual(data_r.shape, (365, 439, 439))
self.assertEqual(len(theta_r), 439)
self.assertEqual(len(phi_r), 439)
self.assertAlmostEqual(flip(data_r, 2)[200, 250, 150], 1.80742301, places=3)
self.assertAlmostEqual(theta_r[200], -0.88572823)
self.assertAlmostEqual(phi_r[::-1][400], 8.15602716)
if __name__ == "__main__":
unittest.main()