Mercurial > hg > vamp-build-and-test
diff DEPENDENCIES/mingw32/Python27/Lib/site-packages/numpy/lib/tests/test__iotools.py @ 87:2a2c65a20a8b
Add Python libs and headers
author | Chris Cannam |
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date | Wed, 25 Feb 2015 14:05:22 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DEPENDENCIES/mingw32/Python27/Lib/site-packages/numpy/lib/tests/test__iotools.py Wed Feb 25 14:05:22 2015 +0000 @@ -0,0 +1,326 @@ +from __future__ import division, absolute_import, print_function + +import sys +import time +from datetime import date + +import numpy as np +from numpy.compat import asbytes, asbytes_nested +from numpy.testing import ( + run_module_suite, TestCase, assert_, assert_equal + ) +from numpy.lib._iotools import ( + LineSplitter, NameValidator, StringConverter, + has_nested_fields, easy_dtype, flatten_dtype + ) + + +class TestLineSplitter(TestCase): + "Tests the LineSplitter class." + + def test_no_delimiter(self): + "Test LineSplitter w/o delimiter" + strg = asbytes(" 1 2 3 4 5 # test") + test = LineSplitter()(strg) + assert_equal(test, asbytes_nested(['1', '2', '3', '4', '5'])) + test = LineSplitter('')(strg) + assert_equal(test, asbytes_nested(['1', '2', '3', '4', '5'])) + + def test_space_delimiter(self): + "Test space delimiter" + strg = asbytes(" 1 2 3 4 5 # test") + test = LineSplitter(asbytes(' '))(strg) + assert_equal(test, asbytes_nested(['1', '2', '3', '4', '', '5'])) + test = LineSplitter(asbytes(' '))(strg) + assert_equal(test, asbytes_nested(['1 2 3 4', '5'])) + + def test_tab_delimiter(self): + "Test tab delimiter" + strg = asbytes(" 1\t 2\t 3\t 4\t 5 6") + test = LineSplitter(asbytes('\t'))(strg) + assert_equal(test, asbytes_nested(['1', '2', '3', '4', '5 6'])) + strg = asbytes(" 1 2\t 3 4\t 5 6") + test = LineSplitter(asbytes('\t'))(strg) + assert_equal(test, asbytes_nested(['1 2', '3 4', '5 6'])) + + def test_other_delimiter(self): + "Test LineSplitter on delimiter" + strg = asbytes("1,2,3,4,,5") + test = LineSplitter(asbytes(','))(strg) + assert_equal(test, asbytes_nested(['1', '2', '3', '4', '', '5'])) + # + strg = asbytes(" 1,2,3,4,,5 # test") + test = LineSplitter(asbytes(','))(strg) + assert_equal(test, asbytes_nested(['1', '2', '3', '4', '', '5'])) + + def test_constant_fixed_width(self): + "Test LineSplitter w/ fixed-width fields" + strg = asbytes(" 1 2 3 4 5 # test") + test = LineSplitter(3)(strg) + assert_equal(test, asbytes_nested(['1', '2', '3', '4', '', '5', ''])) + # + strg = asbytes(" 1 3 4 5 6# test") + test = LineSplitter(20)(strg) + assert_equal(test, asbytes_nested(['1 3 4 5 6'])) + # + strg = asbytes(" 1 3 4 5 6# test") + test = LineSplitter(30)(strg) + assert_equal(test, asbytes_nested(['1 3 4 5 6'])) + + def test_variable_fixed_width(self): + strg = asbytes(" 1 3 4 5 6# test") + test = LineSplitter((3, 6, 6, 3))(strg) + assert_equal(test, asbytes_nested(['1', '3', '4 5', '6'])) + # + strg = asbytes(" 1 3 4 5 6# test") + test = LineSplitter((6, 6, 9))(strg) + assert_equal(test, asbytes_nested(['1', '3 4', '5 6'])) + +#------------------------------------------------------------------------------- + + +class TestNameValidator(TestCase): + + def test_case_sensitivity(self): + "Test case sensitivity" + names = ['A', 'a', 'b', 'c'] + test = NameValidator().validate(names) + assert_equal(test, ['A', 'a', 'b', 'c']) + test = NameValidator(case_sensitive=False).validate(names) + assert_equal(test, ['A', 'A_1', 'B', 'C']) + test = NameValidator(case_sensitive='upper').validate(names) + assert_equal(test, ['A', 'A_1', 'B', 'C']) + test = NameValidator(case_sensitive='lower').validate(names) + assert_equal(test, ['a', 'a_1', 'b', 'c']) + + def test_excludelist(self): + "Test excludelist" + names = ['dates', 'data', 'Other Data', 'mask'] + validator = NameValidator(excludelist=['dates', 'data', 'mask']) + test = validator.validate(names) + assert_equal(test, ['dates_', 'data_', 'Other_Data', 'mask_']) + + def test_missing_names(self): + "Test validate missing names" + namelist = ('a', 'b', 'c') + validator = NameValidator() + assert_equal(validator(namelist), ['a', 'b', 'c']) + namelist = ('', 'b', 'c') + assert_equal(validator(namelist), ['f0', 'b', 'c']) + namelist = ('a', 'b', '') + assert_equal(validator(namelist), ['a', 'b', 'f0']) + namelist = ('', 'f0', '') + assert_equal(validator(namelist), ['f1', 'f0', 'f2']) + + def test_validate_nb_names(self): + "Test validate nb names" + namelist = ('a', 'b', 'c') + validator = NameValidator() + assert_equal(validator(namelist, nbfields=1), ('a',)) + assert_equal(validator(namelist, nbfields=5, defaultfmt="g%i"), + ['a', 'b', 'c', 'g0', 'g1']) + + def test_validate_wo_names(self): + "Test validate no names" + namelist = None + validator = NameValidator() + assert_(validator(namelist) is None) + assert_equal(validator(namelist, nbfields=3), ['f0', 'f1', 'f2']) + +#------------------------------------------------------------------------------- + + +def _bytes_to_date(s): + if sys.version_info[0] >= 3: + return date(*time.strptime(s.decode('latin1'), "%Y-%m-%d")[:3]) + else: + return date(*time.strptime(s, "%Y-%m-%d")[:3]) + + +class TestStringConverter(TestCase): + "Test StringConverter" + + def test_creation(self): + "Test creation of a StringConverter" + converter = StringConverter(int, -99999) + assert_equal(converter._status, 1) + assert_equal(converter.default, -99999) + + def test_upgrade(self): + "Tests the upgrade method." + converter = StringConverter() + assert_equal(converter._status, 0) + converter.upgrade(asbytes('0')) + assert_equal(converter._status, 1) + converter.upgrade(asbytes('0.')) + assert_equal(converter._status, 2) + converter.upgrade(asbytes('0j')) + assert_equal(converter._status, 3) + converter.upgrade(asbytes('a')) + assert_equal(converter._status, len(converter._mapper) - 1) + + def test_missing(self): + "Tests the use of missing values." + converter = StringConverter(missing_values=(asbytes('missing'), + asbytes('missed'))) + converter.upgrade(asbytes('0')) + assert_equal(converter(asbytes('0')), 0) + assert_equal(converter(asbytes('')), converter.default) + assert_equal(converter(asbytes('missing')), converter.default) + assert_equal(converter(asbytes('missed')), converter.default) + try: + converter('miss') + except ValueError: + pass + + def test_upgrademapper(self): + "Tests updatemapper" + dateparser = _bytes_to_date + StringConverter.upgrade_mapper(dateparser, date(2000, 1, 1)) + convert = StringConverter(dateparser, date(2000, 1, 1)) + test = convert(asbytes('2001-01-01')) + assert_equal(test, date(2001, 1, 1)) + test = convert(asbytes('2009-01-01')) + assert_equal(test, date(2009, 1, 1)) + test = convert(asbytes('')) + assert_equal(test, date(2000, 1, 1)) + + def test_string_to_object(self): + "Make sure that string-to-object functions are properly recognized" + conv = StringConverter(_bytes_to_date) + assert_equal(conv._mapper[-2][0](0), 0j) + assert_(hasattr(conv, 'default')) + + def test_keep_default(self): + "Make sure we don't lose an explicit default" + converter = StringConverter(None, missing_values=asbytes(''), + default=-999) + converter.upgrade(asbytes('3.14159265')) + assert_equal(converter.default, -999) + assert_equal(converter.type, np.dtype(float)) + # + converter = StringConverter( + None, missing_values=asbytes(''), default=0) + converter.upgrade(asbytes('3.14159265')) + assert_equal(converter.default, 0) + assert_equal(converter.type, np.dtype(float)) + + def test_keep_default_zero(self): + "Check that we don't lose a default of 0" + converter = StringConverter(int, default=0, + missing_values=asbytes("N/A")) + assert_equal(converter.default, 0) + + def test_keep_missing_values(self): + "Check that we're not losing missing values" + converter = StringConverter(int, default=0, + missing_values=asbytes("N/A")) + assert_equal( + converter.missing_values, set(asbytes_nested(['', 'N/A']))) + + def test_int64_dtype(self): + "Check that int64 integer types can be specified" + converter = StringConverter(np.int64, default=0) + val = asbytes("-9223372036854775807") + assert_(converter(val) == -9223372036854775807) + val = asbytes("9223372036854775807") + assert_(converter(val) == 9223372036854775807) + + def test_uint64_dtype(self): + "Check that uint64 integer types can be specified" + converter = StringConverter(np.uint64, default=0) + val = asbytes("9223372043271415339") + assert_(converter(val) == 9223372043271415339) + + +class TestMiscFunctions(TestCase): + + def test_has_nested_dtype(self): + "Test has_nested_dtype" + ndtype = np.dtype(np.float) + assert_equal(has_nested_fields(ndtype), False) + ndtype = np.dtype([('A', '|S3'), ('B', float)]) + assert_equal(has_nested_fields(ndtype), False) + ndtype = np.dtype([('A', int), ('B', [('BA', float), ('BB', '|S1')])]) + assert_equal(has_nested_fields(ndtype), True) + + def test_easy_dtype(self): + "Test ndtype on dtypes" + # Simple case + ndtype = float + assert_equal(easy_dtype(ndtype), np.dtype(float)) + # As string w/o names + ndtype = "i4, f8" + assert_equal(easy_dtype(ndtype), + np.dtype([('f0', "i4"), ('f1', "f8")])) + # As string w/o names but different default format + assert_equal(easy_dtype(ndtype, defaultfmt="field_%03i"), + np.dtype([('field_000', "i4"), ('field_001', "f8")])) + # As string w/ names + ndtype = "i4, f8" + assert_equal(easy_dtype(ndtype, names="a, b"), + np.dtype([('a', "i4"), ('b', "f8")])) + # As string w/ names (too many) + ndtype = "i4, f8" + assert_equal(easy_dtype(ndtype, names="a, b, c"), + np.dtype([('a', "i4"), ('b', "f8")])) + # As string w/ names (not enough) + ndtype = "i4, f8" + assert_equal(easy_dtype(ndtype, names=", b"), + np.dtype([('f0', "i4"), ('b', "f8")])) + # ... (with different default format) + assert_equal(easy_dtype(ndtype, names="a", defaultfmt="f%02i"), + np.dtype([('a', "i4"), ('f00', "f8")])) + # As list of tuples w/o names + ndtype = [('A', int), ('B', float)] + assert_equal(easy_dtype(ndtype), np.dtype([('A', int), ('B', float)])) + # As list of tuples w/ names + assert_equal(easy_dtype(ndtype, names="a,b"), + np.dtype([('a', int), ('b', float)])) + # As list of tuples w/ not enough names + assert_equal(easy_dtype(ndtype, names="a"), + np.dtype([('a', int), ('f0', float)])) + # As list of tuples w/ too many names + assert_equal(easy_dtype(ndtype, names="a,b,c"), + np.dtype([('a', int), ('b', float)])) + # As list of types w/o names + ndtype = (int, float, float) + assert_equal(easy_dtype(ndtype), + np.dtype([('f0', int), ('f1', float), ('f2', float)])) + # As list of types w names + ndtype = (int, float, float) + assert_equal(easy_dtype(ndtype, names="a, b, c"), + np.dtype([('a', int), ('b', float), ('c', float)])) + # As simple dtype w/ names + ndtype = np.dtype(float) + assert_equal(easy_dtype(ndtype, names="a, b, c"), + np.dtype([(_, float) for _ in ('a', 'b', 'c')])) + # As simple dtype w/o names (but multiple fields) + ndtype = np.dtype(float) + assert_equal( + easy_dtype(ndtype, names=['', '', ''], defaultfmt="f%02i"), + np.dtype([(_, float) for _ in ('f00', 'f01', 'f02')])) + + def test_flatten_dtype(self): + "Testing flatten_dtype" + # Standard dtype + dt = np.dtype([("a", "f8"), ("b", "f8")]) + dt_flat = flatten_dtype(dt) + assert_equal(dt_flat, [float, float]) + # Recursive dtype + dt = np.dtype([("a", [("aa", '|S1'), ("ab", '|S2')]), ("b", int)]) + dt_flat = flatten_dtype(dt) + assert_equal(dt_flat, [np.dtype('|S1'), np.dtype('|S2'), int]) + # dtype with shaped fields + dt = np.dtype([("a", (float, 2)), ("b", (int, 3))]) + dt_flat = flatten_dtype(dt) + assert_equal(dt_flat, [float, int]) + dt_flat = flatten_dtype(dt, True) + assert_equal(dt_flat, [float] * 2 + [int] * 3) + # dtype w/ titles + dt = np.dtype([(("a", "A"), "f8"), (("b", "B"), "f8")]) + dt_flat = flatten_dtype(dt) + assert_equal(dt_flat, [float, float]) + +if __name__ == "__main__": + run_module_suite()