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# -*- coding: utf-8 -*-
"""
Tests checkers functions
@brief Test of GRASS Python testing framework checkers
(C) 2014 by the GRASS Development Team
This program is free software under the GNU General Public
License (>=v2). Read the file COPYING that comes with GRASS
for details.
@author Vaclav Petras
"""
from grass.script.utils import parse_key_val, try_remove
from grass.gunittest.case import TestCase
from grass.gunittest.main import test
from grass.gunittest.checkers import (
values_equal, text_to_keyvalue,
keyvalue_equals, proj_info_equals, proj_units_equals,
file_md5, text_file_md5)
class TestValuesEqual(TestCase):
def test_floats(self):
self.assertTrue(values_equal(5.0, 5.0))
self.assertTrue(values_equal(5.1, 5.19, precision=0.1))
self.assertTrue(values_equal(5.00005, 5.000059, precision=0.00001))
self.assertFalse(values_equal(5.125, 5.280))
self.assertFalse(values_equal(5.00005, 5.00006, precision=0.00001))
self.assertFalse(values_equal(2.5, 15.5, precision=5))
def test_ints(self):
self.assertTrue(values_equal(5, 5, precision=0.01))
self.assertFalse(values_equal(5, 6, precision=0.01))
self.assertTrue(values_equal(5, 8, precision=3))
self.assertFalse(values_equal(3600, 3623, precision=20))
self.assertTrue(values_equal(5, 5))
self.assertFalse(values_equal(5, 6))
def test_floats_and_ints(self):
self.assertTrue(values_equal(5.1, 5, precision=0.2))
self.assertFalse(values_equal(5.1, 5, precision=0.01))
def test_strings(self):
self.assertTrue(values_equal('hello', 'hello'))
self.assertFalse(values_equal('Hello', 'hello'))
def test_lists(self):
self.assertTrue(values_equal([1, 2, 3], [1, 2, 3]))
self.assertTrue(values_equal([1.1, 2.0, 3.9],
[1.1, 1.95, 4.0],
precision=0.2))
self.assertFalse(values_equal([1, 2, 3, 4, 5],
[1, 22, 3, 4, 5],
precision=1))
def test_mixed_lists(self):
self.assertTrue(values_equal([1, 'abc', 8], [1, 'abc', 8.2],
precision=0.5))
def test_recursive_lists(self):
self.assertTrue(values_equal([1, 'abc', [5, 9.6, 9.0]],
[1, 'abc', [4.9, 9.2, 9.3]],
precision=0.5))
KEYVAL_TEXT = '''s: Hello
str: Hello world!
f: 1.0
l: 1,2,3,4,5
mixed: hello,8,-25,world!,4-1,5:2,0.1,-9.6
'''
# file location/PERMANENT/PROJ_INFO
PROJ_INFO_TEXT_1 = """name: Lambert Conformal Conic
proj: lcc
datum: nad83
a: 6378137.0
es: 0.006694380022900787
lat_1: 36.16666666666666
lat_2: 34.33333333333334
lat_0: 33.75
lon_0: -79
x_0: 609601.22
y_0: 0
no_defs: defined
"""
# file location/PERMANENT/PROJ_UNITS
PROJ_UNITS_TEXT_1 = """unit: Meter
units: Meters
meters: 1
"""
PROJ_INFO_TEXT_2 = """name: Lambert Conformal Conic
proj: lcc
datum: nad83
a: 6378137.0000000002
es: 0.006694380022900787
lat_1: 36.166666667
lat_2: 34.333333333
lat_0: 33.75
lon_0: -79
x_0: 609601.22
y_0: 0
no_defs: defined
"""
PROJ_UNITS_TEXT_2 = """unit: Metre
units: Meters
meters: 1
"""
# what about keys and lower/upper case letters
class TestTextToKeyValue(TestCase):
def test_conversion(self):
keyvals = text_to_keyvalue(KEYVAL_TEXT, sep=':', val_sep=',')
expected = {'s': 'Hello',
'str': 'Hello world!',
'f': 1.0,
'l': [1, 2, 3, 4, 5],
'mixed': ['hello', 8, -25, 'world!',
'4-1', '5:2', 0.1, -9.6]}
self.assertDictEqual(expected, keyvals)
def test_single_values(self):
keyvals = text_to_keyvalue("a: 1.5", sep=':')
self.assertDictEqual({'a': 1.5}, keyvals)
keyvals = text_to_keyvalue("abc=1", sep='=')
self.assertDictEqual({'abc': 1}, keyvals)
keyvals = text_to_keyvalue("abc=hello", sep='=')
self.assertDictEqual({'abc': 'hello'}, keyvals)
def test_strip(self):
keyvals = text_to_keyvalue("a: 2.8 ", sep=':')
self.assertDictEqual({'a': 2.8}, keyvals)
keyvals = text_to_keyvalue("a: 2 ; 2.8 ; ab cd ",
sep=':', val_sep=';')
self.assertDictEqual({'a': [2, 2.8, 'ab cd']}, keyvals)
keyvals = text_to_keyvalue("a : 2 ; 2.8", sep=':', val_sep=';')
self.assertDictEqual({'a': [2, 2.8]}, keyvals)
keyvals = text_to_keyvalue("a : \t 2 ;\t2.8", sep=':', val_sep=';')
self.assertDictEqual({'a': [2, 2.8]}, keyvals)
def test_empty_list_item(self):
keyvals = text_to_keyvalue("a: 1, ,5,,", sep=':', val_sep=',')
self.assertDictEqual({'a': [1, '', 5, '', '']}, keyvals)
def test_empty_value(self):
keyvals = text_to_keyvalue("a: ", sep=':')
self.assertDictEqual({'a': ''}, keyvals)
keyvals = text_to_keyvalue("a:", sep=':')
self.assertDictEqual({'a': ''}, keyvals)
def test_wrong_lines(self):
# we consider no key-value separator as invalid line
# and we silently ignore these
keyvals = text_to_keyvalue("a", sep=':',
skip_invalid=True, skip_empty=False)
self.assertDictEqual({}, keyvals)
self.assertRaises(ValueError, text_to_keyvalue, "a", sep=':',
skip_invalid=False, skip_empty=False)
# text_to_keyvalue considers the empty string as valid input
keyvals = text_to_keyvalue("", sep=':',
skip_invalid=False, skip_empty=False)
self.assertDictEqual({}, keyvals)
self.assertRaises(ValueError, text_to_keyvalue, "\n", sep=':',
skip_invalid=True, skip_empty=False)
keyvals = text_to_keyvalue("a\n\n", sep=':',
skip_invalid=True, skip_empty=True)
self.assertDictEqual({}, keyvals)
def test_separators(self):
keyvals = text_to_keyvalue("a=a;b;c", sep='=', val_sep=';')
self.assertDictEqual({'a': ['a', 'b', 'c']}, keyvals)
keyvals = text_to_keyvalue("a 1;2;3", sep=' ', val_sep=';')
self.assertDictEqual({'a': [1, 2, 3]}, keyvals)
# spaces as key-value separator and values separators
# this should work (e.g. because of : in DMS),
# although it does not support stripping (we don't merge separators)
keyvals = text_to_keyvalue("a 1 2 3", sep=' ', val_sep=' ')
self.assertDictEqual({'a': [1, 2, 3]}, keyvals)
#def test_projection_files(self):
# obtained by r.univar elevation -g
# floats removed
R_UNIVAR_KEYVAL = """n=2025000
null_cells=57995100
cells=60020100
min=55.5787925720215
max=156.329864501953
range=100.751071929932
mean=110.375440275606
mean_of_abs=110.375440275606
stddev=20.3153233205981
variance=412.712361620436
coeff_var=18.4056555243368
sum=223510266.558102
"""
# obtained by r.univar elevation -g
# floats removed
R_UNIVAR_KEYVAL_INT = """n=2025000
null_cells=57995100
cells=60020100
"""
R_UNIVAR_KEYVAL_INT_DICT = {'n': 2025000,
'null_cells': 57995100, 'cells': 60020100}
class TestComapreProjections(TestCase):
def test_compare_proj_info(self):
self.assertTrue(proj_info_equals(PROJ_INFO_TEXT_1, PROJ_INFO_TEXT_2))
self.assertTrue(proj_units_equals(PROJ_UNITS_TEXT_1, PROJ_UNITS_TEXT_2))
class TestParseKeyvalue(TestCase):
def test_shell_script_style(self):
self.assertDictEqual(parse_key_val(R_UNIVAR_KEYVAL_INT, val_type=int),
R_UNIVAR_KEYVAL_INT_DICT)
R_UNIVAR_ELEVATION = """n=2025000
null_cells=57995100
cells=60020100
min=55.5787925720215
max=156.329864501953
range=100.751071929932
mean=110.375440275606
mean_of_abs=110.375440275606
stddev=20.3153233205981
variance=412.712361620436
coeff_var=18.4056555243368
sum=223510266.558102
first_quartile=94.79
median=108.88
third_quartile=126.792
percentile_90=138.66
"""
R_UNIVAR_ELEVATION_ROUNDED = """n=2025000
null_cells=57995100
cells=60020100
min=55.5788
max=156.33
range=100.751
mean=110.375
mean_of_abs=110.375
stddev=20.3153
variance=412.712
coeff_var=18.4057
sum=223510266.558
first_quartile=94.79
median=108.88
third_quartile=126.792
percentile_90=138.66
"""
R_UNIVAR_ELEVATION_SUBSET = """n=2025000
null_cells=57995100
cells=60020100
min=55.5787925720215
max=156.329864501953
"""
class TestRasterMapComparisons(TestCase):
def test_compare_univars(self):
self.assertTrue(keyvalue_equals(text_to_keyvalue(R_UNIVAR_ELEVATION,
sep='='),
text_to_keyvalue(R_UNIVAR_ELEVATION,
sep='='),
precision=0))
self.assertFalse(keyvalue_equals(text_to_keyvalue(R_UNIVAR_ELEVATION,
sep='='),
text_to_keyvalue(R_UNIVAR_ELEVATION_SUBSET,
sep='='),
precision=0))
def test_compare_univars_subset(self):
self.assertTrue(keyvalue_equals(text_to_keyvalue(R_UNIVAR_ELEVATION_SUBSET,
sep='='),
text_to_keyvalue(R_UNIVAR_ELEVATION,
sep='='),
a_is_subset=True, precision=0))
self.assertFalse(keyvalue_equals(text_to_keyvalue(R_UNIVAR_ELEVATION,
sep='='),
text_to_keyvalue(R_UNIVAR_ELEVATION_SUBSET,
sep='='),
a_is_subset=True, precision=0))
def test_compare_univars_rounded(self):
self.assertTrue(keyvalue_equals(text_to_keyvalue(R_UNIVAR_ELEVATION,
sep='='),
text_to_keyvalue(R_UNIVAR_ELEVATION_ROUNDED,
sep='='),
precision=0.001))
CORRECT_LINES = [
"null_cells=57995100",
"cells=60020100",
"min=55.5787925720215",
"max=156.329864501953"
]
INCORRECT_LINES = [
"null_cells=579951",
"cells=60020100",
"min=5.5787925720215",
"max=156.329864501953"
]
class TestMd5Sums(TestCase):
r"""
To create MD5 which is used for testing use:
.. code: sh
$ cat > test.txt << EOF
null_cells=57995100
cells=60020100
min=55.5787925720215
max=156.329864501953
EOF
$ md5sum test.txt
9dd6c4bb9d2cf6051b12f4b5f9d70523 test.txt
"""
correct_md5sum = '9dd6c4bb9d2cf6051b12f4b5f9d70523'
correct_file_name_platform_nl = 'md5_sum_correct_file_platform_nl'
correct_file_name_unix_nl = 'md5_sum_correct_file_unix_nl'
wrong_file_name = 'md5_sum_wrong_file'
@classmethod
def setUpClass(cls):
with open(cls.correct_file_name_platform_nl, 'w') as f:
for line in CORRECT_LINES:
# \n should be converted to platform newline
f.write(line + '\n')
with open(cls.correct_file_name_unix_nl, 'wb') as f:
for line in CORRECT_LINES:
# binary mode will write pure \n
f.write(line + '\n')
with open(cls.wrong_file_name, 'w') as f:
for line in INCORRECT_LINES:
# \n should be converted to platform newline
f.write(line + '\n')
@classmethod
def tearDownClass(cls):
try_remove(cls.correct_file_name_platform_nl)
try_remove(cls.correct_file_name_unix_nl)
try_remove(cls.wrong_file_name)
def test_text_file_binary(self):
r"""File with ``\n`` (LF) newlines as binary (MD5 has ``\n``)."""
self.assertEqual(file_md5(self.correct_file_name_unix_nl),
self.correct_md5sum,
msg="MD5 sums different")
def test_text_file_platfrom(self):
r"""Text file with platform dependent newlines"""
self.assertEqual(text_file_md5(self.correct_file_name_platform_nl),
self.correct_md5sum,
msg="MD5 sums different")
def test_text_file_unix(self):
r"""Text file with ``\n`` (LF) newlines"""
self.assertEqual(text_file_md5(self.correct_file_name_unix_nl),
self.correct_md5sum,
msg="MD5 sums different")
def test_text_file_different(self):
r"""Text file with ``\n`` (LF) newlines"""
self.assertNotEqual(text_file_md5(self.wrong_file_name),
self.correct_md5sum,
msg="MD5 sums must be different")
if __name__ == '__main__':
test()
|
