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dft_tools/python/converters/vasp/test/inpconf/test_special_parsers.py
Oleg E. Peil 9d4fb22572 Rearranged test cases for 'inpconf.py'.
A single-file test suite for 'inpconf.py' is split into several files,
each containing a separate TestCase class. In addition, all test cases
are derived from class ArrayTestCase (in turn derived from TestCase)
which contains a numpy-array equality method.
2015-10-11 13:55:04 +02:00

150 lines
4.3 KiB
Python

r"""
Tests of special parseres defined in ConfigParameters class
"""
import arraytest
import numpy as np
from inpconf import ConfigParameters
################################################################################
#
# TestParseStringLogical
#
################################################################################
class TestParseStringLogical(arraytest.ArrayTestCase):
"""
Function:
def parse_string_logical(self, par_str)
Scenarios:
- **if** par_str == 'True' **return** True
- **if** par_str == 'False' **return** False
- **if** par_str == '0' **raise** assertion
"""
def setUp(self):
"""
"""
# Dummy ConfigParameters object
self.cpars = ConfigParameters('test1.cfg')
# Scenario 1
def test_true(self):
res = self.cpars.parse_string_logical('True')
self.assertEqual(res, True)
# Scenario 2
def test_false(self):
res = self.cpars.parse_string_logical('False')
self.assertEqual(res, False)
# Scenario 3
def test_incorrect(self):
with self.assertRaises(AssertionError):
self.cpars.parse_string_logical('0')
################################################################################
#
# TestParseStringIonList
#
################################################################################
class TestParseStringIonList(arraytest.ArrayTestCase):
"""
Function:
def parse_string_ion_list(self, par_str)
Scenarios:
- **if** par_str == '5 6 7 8' **return** array([4, 5, 6, 7])
- **if** par_str == 'Ni' **raise** NotImplementedError
- **if** par_str == '0 1' **raise** AssertionError
- **if** par_str == '5..8' **return** array([4, 5, 6, 7])
- **if** par_str == '8..5' **raise** AssertionError
"""
def setUp(self):
"""
"""
# Dummy ConfigParameters object
self.cpars = ConfigParameters('test1.cfg')
# Scenario 1
def test_simple_list(self):
expected = np.array([4, 5, 6, 7])
res = self.cpars.parse_string_ion_list('5 6 7 8')
self.assertEqual(res, expected)
# Scenario 2
def test_atomic_symbol(self):
with self.assertRaises(NotImplementedError):
self.cpars.parse_string_ion_list('Ni')
# Scenario 3
def test_out_of_bounds(self):
err_mess = "Lowest ion index is"
with self.assertRaisesRegexp(AssertionError, err_mess):
self.cpars.parse_string_ion_list('0 1')
# Scenario 4
def test_list_range(self):
expected = np.array([4, 5, 6, 7])
res = self.cpars.parse_string_ion_list('5..8')
self.assertEqual(res, expected)
# Scenario 5
def test_range_wrong_order(self):
err_mess = "First index of the range"
with self.assertRaisesRegexp(AssertionError, err_mess):
self.cpars.parse_string_ion_list('8..5')
################################################################################
#
# TestParseStringTmatrix
#
################################################################################
class TestParseStringTmatrix(arraytest.ArrayTestCase):
"""
Function:
def parse_string_tmatrix(self, par_str)
Parses a matrix defined as a set of rows in the conf-file.
Scenarios:
- **if** number of columns is not the same **raise** AssertionError
- **if** complex matrix is read and the number of columns is odd
**raise** AssertionError
- **if** a correct matrix is given **return** an array
"""
def setUp(self):
"""
"""
# Dummy ConfigParameters object
self.cpars = ConfigParameters('test1.cfg')
# Scenario 1
def test_number_of_columns(self):
par_str = "1.0 0.0\n1.0"
err_mess = "Number of columns"
with self.assertRaisesRegexp(AssertionError, err_mess):
self.cpars.parse_string_tmatrix(par_str, real=True)
# Scenario 2
def test_complex_matrix_odd(self):
par_str = "1.0 0.0 2.0 1.0 0.0\n0.0 1.0 2.0 3.0 -1.0"
err_mess = "Complex matrix must"
with self.assertRaisesRegexp(AssertionError, err_mess):
self.cpars.parse_string_tmatrix(par_str, real=False)
# Scenario 3
def test_complex_matrix(self):
par_str = "1.0 0.0 2.0 -3.0\n0.0 1.0 -1.0 1.0"
res = self.cpars.parse_string_tmatrix(par_str, real=False)
expected = np.array([[1.0, 2.0 - 3.0j], [1.0j, -1.0 + 1.0j]])
self.assertEqual(res, expected)