1362 lines
45 KiB
Python
1362 lines
45 KiB
Python
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from __future__ import division, absolute_import, print_function
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import warnings
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import sys
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import os
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import itertools
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import textwrap
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import numpy as np
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from numpy.testing import (
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assert_equal, assert_array_equal, assert_almost_equal,
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assert_array_almost_equal, assert_array_less, build_err_msg,
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raises, assert_raises, assert_warns, assert_no_warnings,
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assert_allclose, assert_approx_equal,
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assert_array_almost_equal_nulp, assert_array_max_ulp,
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clear_and_catch_warnings, suppress_warnings, run_module_suite,
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assert_string_equal, assert_, tempdir, temppath,
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)
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import unittest
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class _GenericTest(object):
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def _test_equal(self, a, b):
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self._assert_func(a, b)
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def _test_not_equal(self, a, b):
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try:
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self._assert_func(a, b)
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except AssertionError:
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pass
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else:
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raise AssertionError("a and b are found equal but are not")
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def test_array_rank1_eq(self):
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"""Test two equal array of rank 1 are found equal."""
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a = np.array([1, 2])
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b = np.array([1, 2])
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self._test_equal(a, b)
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def test_array_rank1_noteq(self):
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"""Test two different array of rank 1 are found not equal."""
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a = np.array([1, 2])
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b = np.array([2, 2])
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self._test_not_equal(a, b)
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def test_array_rank2_eq(self):
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"""Test two equal array of rank 2 are found equal."""
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a = np.array([[1, 2], [3, 4]])
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b = np.array([[1, 2], [3, 4]])
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self._test_equal(a, b)
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def test_array_diffshape(self):
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"""Test two arrays with different shapes are found not equal."""
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a = np.array([1, 2])
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b = np.array([[1, 2], [1, 2]])
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self._test_not_equal(a, b)
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def test_objarray(self):
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"""Test object arrays."""
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a = np.array([1, 1], dtype=object)
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self._test_equal(a, 1)
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def test_array_likes(self):
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self._test_equal([1, 2, 3], (1, 2, 3))
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class TestArrayEqual(_GenericTest, unittest.TestCase):
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def setUp(self):
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self._assert_func = assert_array_equal
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def test_generic_rank1(self):
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"""Test rank 1 array for all dtypes."""
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def foo(t):
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a = np.empty(2, t)
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a.fill(1)
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b = a.copy()
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c = a.copy()
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c.fill(0)
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self._test_equal(a, b)
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self._test_not_equal(c, b)
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# Test numeric types and object
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for t in '?bhilqpBHILQPfdgFDG':
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foo(t)
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# Test strings
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for t in ['S1', 'U1']:
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foo(t)
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def test_generic_rank3(self):
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"""Test rank 3 array for all dtypes."""
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def foo(t):
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a = np.empty((4, 2, 3), t)
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a.fill(1)
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b = a.copy()
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c = a.copy()
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c.fill(0)
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self._test_equal(a, b)
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self._test_not_equal(c, b)
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# Test numeric types and object
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for t in '?bhilqpBHILQPfdgFDG':
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foo(t)
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# Test strings
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for t in ['S1', 'U1']:
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foo(t)
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def test_nan_array(self):
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"""Test arrays with nan values in them."""
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a = np.array([1, 2, np.nan])
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b = np.array([1, 2, np.nan])
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self._test_equal(a, b)
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c = np.array([1, 2, 3])
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self._test_not_equal(c, b)
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def test_string_arrays(self):
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"""Test two arrays with different shapes are found not equal."""
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a = np.array(['floupi', 'floupa'])
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b = np.array(['floupi', 'floupa'])
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self._test_equal(a, b)
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c = np.array(['floupipi', 'floupa'])
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self._test_not_equal(c, b)
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def test_recarrays(self):
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"""Test record arrays."""
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a = np.empty(2, [('floupi', float), ('floupa', float)])
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a['floupi'] = [1, 2]
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a['floupa'] = [1, 2]
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b = a.copy()
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self._test_equal(a, b)
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c = np.empty(2, [('floupipi', float), ('floupa', float)])
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c['floupipi'] = a['floupi'].copy()
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c['floupa'] = a['floupa'].copy()
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with suppress_warnings() as sup:
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l = sup.record(FutureWarning, message="elementwise == ")
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self._test_not_equal(c, b)
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assert_(len(l) == 1)
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class TestBuildErrorMessage(unittest.TestCase):
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def test_build_err_msg_defaults(self):
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x = np.array([1.00001, 2.00002, 3.00003])
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y = np.array([1.00002, 2.00003, 3.00004])
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err_msg = 'There is a mismatch'
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a = build_err_msg([x, y], err_msg)
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b = ('\nItems are not equal: There is a mismatch\n ACTUAL: array(['
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'1.00001, 2.00002, 3.00003])\n DESIRED: array([1.00002, '
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'2.00003, 3.00004])')
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self.assertEqual(a, b)
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def test_build_err_msg_no_verbose(self):
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x = np.array([1.00001, 2.00002, 3.00003])
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y = np.array([1.00002, 2.00003, 3.00004])
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err_msg = 'There is a mismatch'
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a = build_err_msg([x, y], err_msg, verbose=False)
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b = '\nItems are not equal: There is a mismatch'
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self.assertEqual(a, b)
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def test_build_err_msg_custom_names(self):
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x = np.array([1.00001, 2.00002, 3.00003])
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y = np.array([1.00002, 2.00003, 3.00004])
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err_msg = 'There is a mismatch'
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a = build_err_msg([x, y], err_msg, names=('FOO', 'BAR'))
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b = ('\nItems are not equal: There is a mismatch\n FOO: array(['
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'1.00001, 2.00002, 3.00003])\n BAR: array([1.00002, 2.00003, '
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'3.00004])')
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self.assertEqual(a, b)
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def test_build_err_msg_custom_precision(self):
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x = np.array([1.000000001, 2.00002, 3.00003])
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y = np.array([1.000000002, 2.00003, 3.00004])
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err_msg = 'There is a mismatch'
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a = build_err_msg([x, y], err_msg, precision=10)
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b = ('\nItems are not equal: There is a mismatch\n ACTUAL: array(['
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'1.000000001, 2.00002 , 3.00003 ])\n DESIRED: array(['
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'1.000000002, 2.00003 , 3.00004 ])')
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self.assertEqual(a, b)
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class TestEqual(TestArrayEqual):
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def setUp(self):
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self._assert_func = assert_equal
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def test_nan_items(self):
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self._assert_func(np.nan, np.nan)
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self._assert_func([np.nan], [np.nan])
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self._test_not_equal(np.nan, [np.nan])
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self._test_not_equal(np.nan, 1)
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def test_inf_items(self):
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self._assert_func(np.inf, np.inf)
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self._assert_func([np.inf], [np.inf])
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self._test_not_equal(np.inf, [np.inf])
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def test_datetime(self):
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self._test_equal(
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np.datetime64("2017-01-01", "s"),
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np.datetime64("2017-01-01", "s")
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)
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self._test_equal(
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np.datetime64("2017-01-01", "s"),
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np.datetime64("2017-01-01", "m")
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)
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# gh-10081
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self._test_not_equal(
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np.datetime64("2017-01-01", "s"),
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np.datetime64("2017-01-02", "s")
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)
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self._test_not_equal(
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np.datetime64("2017-01-01", "s"),
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np.datetime64("2017-01-02", "m")
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)
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def test_nat_items(self):
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# not a datetime
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nadt_no_unit = np.datetime64("NaT")
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nadt_s = np.datetime64("NaT", "s")
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nadt_d = np.datetime64("NaT", "ns")
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# not a timedelta
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natd_no_unit = np.timedelta64("NaT")
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natd_s = np.timedelta64("NaT", "s")
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natd_d = np.timedelta64("NaT", "ns")
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dts = [nadt_no_unit, nadt_s, nadt_d]
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tds = [natd_no_unit, natd_s, natd_d]
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for a, b in itertools.product(dts, dts):
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self._assert_func(a, b)
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self._assert_func([a], [b])
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self._test_not_equal([a], b)
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for a, b in itertools.product(tds, tds):
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self._assert_func(a, b)
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self._assert_func([a], [b])
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self._test_not_equal([a], b)
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for a, b in itertools.product(tds, dts):
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self._test_not_equal(a, b)
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self._test_not_equal(a, [b])
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self._test_not_equal([a], [b])
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self._test_not_equal([a], np.datetime64("2017-01-01", "s"))
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self._test_not_equal([b], np.datetime64("2017-01-01", "s"))
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self._test_not_equal([a], np.timedelta64(123, "s"))
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self._test_not_equal([b], np.timedelta64(123, "s"))
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def test_non_numeric(self):
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self._assert_func('ab', 'ab')
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self._test_not_equal('ab', 'abb')
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def test_complex_item(self):
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self._assert_func(complex(1, 2), complex(1, 2))
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self._assert_func(complex(1, np.nan), complex(1, np.nan))
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self._test_not_equal(complex(1, np.nan), complex(1, 2))
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self._test_not_equal(complex(np.nan, 1), complex(1, np.nan))
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self._test_not_equal(complex(np.nan, np.inf), complex(np.nan, 2))
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def test_negative_zero(self):
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self._test_not_equal(np.PZERO, np.NZERO)
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def test_complex(self):
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x = np.array([complex(1, 2), complex(1, np.nan)])
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y = np.array([complex(1, 2), complex(1, 2)])
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self._assert_func(x, x)
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self._test_not_equal(x, y)
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def test_error_message(self):
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try:
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self._assert_func(np.array([1, 2]), np.matrix([1, 2]))
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except AssertionError as e:
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msg = str(e)
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msg2 = msg.replace("shapes (2L,), (1L, 2L)", "shapes (2,), (1, 2)")
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msg_reference = textwrap.dedent("""\
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Arrays are not equal
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(shapes (2,), (1, 2) mismatch)
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x: array([1, 2])
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y: matrix([[1, 2]])""")
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try:
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self.assertEqual(msg, msg_reference)
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except AssertionError:
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self.assertEqual(msg2, msg_reference)
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else:
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raise AssertionError("Did not raise")
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class TestArrayAlmostEqual(_GenericTest, unittest.TestCase):
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def setUp(self):
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self._assert_func = assert_array_almost_equal
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def test_closeness(self):
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# Note that in the course of time we ended up with
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# `abs(x - y) < 1.5 * 10**(-decimal)`
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# instead of the previously documented
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# `abs(x - y) < 0.5 * 10**(-decimal)`
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# so this check serves to preserve the wrongness.
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# test scalars
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self._assert_func(1.499999, 0.0, decimal=0)
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self.assertRaises(AssertionError,
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lambda: self._assert_func(1.5, 0.0, decimal=0))
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# test arrays
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self._assert_func([1.499999], [0.0], decimal=0)
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self.assertRaises(AssertionError,
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lambda: self._assert_func([1.5], [0.0], decimal=0))
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def test_simple(self):
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x = np.array([1234.2222])
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y = np.array([1234.2223])
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self._assert_func(x, y, decimal=3)
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self._assert_func(x, y, decimal=4)
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self.assertRaises(AssertionError,
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lambda: self._assert_func(x, y, decimal=5))
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def test_nan(self):
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anan = np.array([np.nan])
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aone = np.array([1])
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ainf = np.array([np.inf])
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self._assert_func(anan, anan)
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self.assertRaises(AssertionError,
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lambda: self._assert_func(anan, aone))
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self.assertRaises(AssertionError,
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lambda: self._assert_func(anan, ainf))
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self.assertRaises(AssertionError,
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lambda: self._assert_func(ainf, anan))
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def test_inf(self):
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a = np.array([[1., 2.], [3., 4.]])
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b = a.copy()
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a[0, 0] = np.inf
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||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(a, b))
|
||
|
|
b[0, 0] = -np.inf
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(a, b))
|
||
|
|
|
||
|
|
def test_subclass(self):
|
||
|
|
a = np.array([[1., 2.], [3., 4.]])
|
||
|
|
b = np.ma.masked_array([[1., 2.], [0., 4.]],
|
||
|
|
[[False, False], [True, False]])
|
||
|
|
self._assert_func(a, b)
|
||
|
|
self._assert_func(b, a)
|
||
|
|
self._assert_func(b, b)
|
||
|
|
|
||
|
|
def test_matrix(self):
|
||
|
|
# Matrix slicing keeps things 2-D, while array does not necessarily.
|
||
|
|
# See gh-8452.
|
||
|
|
m1 = np.matrix([[1., 2.]])
|
||
|
|
m2 = np.matrix([[1., np.nan]])
|
||
|
|
m3 = np.matrix([[1., -np.inf]])
|
||
|
|
m4 = np.matrix([[np.nan, np.inf]])
|
||
|
|
m5 = np.matrix([[1., 2.], [np.nan, np.inf]])
|
||
|
|
for m in m1, m2, m3, m4, m5:
|
||
|
|
self._assert_func(m, m)
|
||
|
|
a = np.array(m)
|
||
|
|
self._assert_func(a, m)
|
||
|
|
self._assert_func(m, a)
|
||
|
|
|
||
|
|
def test_subclass_that_cannot_be_bool(self):
|
||
|
|
# While we cannot guarantee testing functions will always work for
|
||
|
|
# subclasses, the tests should ideally rely only on subclasses having
|
||
|
|
# comparison operators, not on them being able to store booleans
|
||
|
|
# (which, e.g., astropy Quantity cannot usefully do). See gh-8452.
|
||
|
|
class MyArray(np.ndarray):
|
||
|
|
def __lt__(self, other):
|
||
|
|
return super(MyArray, self).__lt__(other).view(np.ndarray)
|
||
|
|
|
||
|
|
def all(self, *args, **kwargs):
|
||
|
|
raise NotImplementedError
|
||
|
|
|
||
|
|
a = np.array([1., 2.]).view(MyArray)
|
||
|
|
self._assert_func(a, a)
|
||
|
|
|
||
|
|
|
||
|
|
class TestAlmostEqual(_GenericTest, unittest.TestCase):
|
||
|
|
|
||
|
|
def setUp(self):
|
||
|
|
self._assert_func = assert_almost_equal
|
||
|
|
|
||
|
|
def test_closeness(self):
|
||
|
|
# Note that in the course of time we ended up with
|
||
|
|
# `abs(x - y) < 1.5 * 10**(-decimal)`
|
||
|
|
# instead of the previously documented
|
||
|
|
# `abs(x - y) < 0.5 * 10**(-decimal)`
|
||
|
|
# so this check serves to preserve the wrongness.
|
||
|
|
|
||
|
|
# test scalars
|
||
|
|
self._assert_func(1.499999, 0.0, decimal=0)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(1.5, 0.0, decimal=0))
|
||
|
|
|
||
|
|
# test arrays
|
||
|
|
self._assert_func([1.499999], [0.0], decimal=0)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func([1.5], [0.0], decimal=0))
|
||
|
|
|
||
|
|
def test_nan_item(self):
|
||
|
|
self._assert_func(np.nan, np.nan)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(np.nan, 1))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(np.nan, np.inf))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(np.inf, np.nan))
|
||
|
|
|
||
|
|
def test_inf_item(self):
|
||
|
|
self._assert_func(np.inf, np.inf)
|
||
|
|
self._assert_func(-np.inf, -np.inf)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(np.inf, 1))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(-np.inf, np.inf))
|
||
|
|
|
||
|
|
def test_simple_item(self):
|
||
|
|
self._test_not_equal(1, 2)
|
||
|
|
|
||
|
|
def test_complex_item(self):
|
||
|
|
self._assert_func(complex(1, 2), complex(1, 2))
|
||
|
|
self._assert_func(complex(1, np.nan), complex(1, np.nan))
|
||
|
|
self._assert_func(complex(np.inf, np.nan), complex(np.inf, np.nan))
|
||
|
|
self._test_not_equal(complex(1, np.nan), complex(1, 2))
|
||
|
|
self._test_not_equal(complex(np.nan, 1), complex(1, np.nan))
|
||
|
|
self._test_not_equal(complex(np.nan, np.inf), complex(np.nan, 2))
|
||
|
|
|
||
|
|
def test_complex(self):
|
||
|
|
x = np.array([complex(1, 2), complex(1, np.nan)])
|
||
|
|
z = np.array([complex(1, 2), complex(np.nan, 1)])
|
||
|
|
y = np.array([complex(1, 2), complex(1, 2)])
|
||
|
|
self._assert_func(x, x)
|
||
|
|
self._test_not_equal(x, y)
|
||
|
|
self._test_not_equal(x, z)
|
||
|
|
|
||
|
|
def test_error_message(self):
|
||
|
|
"""Check the message is formatted correctly for the decimal value"""
|
||
|
|
x = np.array([1.00000000001, 2.00000000002, 3.00003])
|
||
|
|
y = np.array([1.00000000002, 2.00000000003, 3.00004])
|
||
|
|
|
||
|
|
# test with a different amount of decimal digits
|
||
|
|
# note that we only check for the formatting of the arrays themselves
|
||
|
|
b = ('x: array([1.00000000001, 2.00000000002, 3.00003 '
|
||
|
|
' ])\n y: array([1.00000000002, 2.00000000003, 3.00004 ])')
|
||
|
|
try:
|
||
|
|
self._assert_func(x, y, decimal=12)
|
||
|
|
except AssertionError as e:
|
||
|
|
# remove anything that's not the array string
|
||
|
|
self.assertEqual(str(e).split('%)\n ')[1], b)
|
||
|
|
|
||
|
|
# with the default value of decimal digits, only the 3rd element differs
|
||
|
|
# note that we only check for the formatting of the arrays themselves
|
||
|
|
b = ('x: array([1. , 2. , 3.00003])\n y: array([1. , '
|
||
|
|
'2. , 3.00004])')
|
||
|
|
try:
|
||
|
|
self._assert_func(x, y)
|
||
|
|
except AssertionError as e:
|
||
|
|
# remove anything that's not the array string
|
||
|
|
self.assertEqual(str(e).split('%)\n ')[1], b)
|
||
|
|
|
||
|
|
def test_matrix(self):
|
||
|
|
# Matrix slicing keeps things 2-D, while array does not necessarily.
|
||
|
|
# See gh-8452.
|
||
|
|
m1 = np.matrix([[1., 2.]])
|
||
|
|
m2 = np.matrix([[1., np.nan]])
|
||
|
|
m3 = np.matrix([[1., -np.inf]])
|
||
|
|
m4 = np.matrix([[np.nan, np.inf]])
|
||
|
|
m5 = np.matrix([[1., 2.], [np.nan, np.inf]])
|
||
|
|
for m in m1, m2, m3, m4, m5:
|
||
|
|
self._assert_func(m, m)
|
||
|
|
a = np.array(m)
|
||
|
|
self._assert_func(a, m)
|
||
|
|
self._assert_func(m, a)
|
||
|
|
|
||
|
|
def test_subclass_that_cannot_be_bool(self):
|
||
|
|
# While we cannot guarantee testing functions will always work for
|
||
|
|
# subclasses, the tests should ideally rely only on subclasses having
|
||
|
|
# comparison operators, not on them being able to store booleans
|
||
|
|
# (which, e.g., astropy Quantity cannot usefully do). See gh-8452.
|
||
|
|
class MyArray(np.ndarray):
|
||
|
|
def __lt__(self, other):
|
||
|
|
return super(MyArray, self).__lt__(other).view(np.ndarray)
|
||
|
|
|
||
|
|
def all(self, *args, **kwargs):
|
||
|
|
raise NotImplementedError
|
||
|
|
|
||
|
|
a = np.array([1., 2.]).view(MyArray)
|
||
|
|
self._assert_func(a, a)
|
||
|
|
|
||
|
|
|
||
|
|
class TestApproxEqual(unittest.TestCase):
|
||
|
|
|
||
|
|
def setUp(self):
|
||
|
|
self._assert_func = assert_approx_equal
|
||
|
|
|
||
|
|
def test_simple_arrays(self):
|
||
|
|
x = np.array([1234.22])
|
||
|
|
y = np.array([1234.23])
|
||
|
|
|
||
|
|
self._assert_func(x, y, significant=5)
|
||
|
|
self._assert_func(x, y, significant=6)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(x, y, significant=7))
|
||
|
|
|
||
|
|
def test_simple_items(self):
|
||
|
|
x = 1234.22
|
||
|
|
y = 1234.23
|
||
|
|
|
||
|
|
self._assert_func(x, y, significant=4)
|
||
|
|
self._assert_func(x, y, significant=5)
|
||
|
|
self._assert_func(x, y, significant=6)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(x, y, significant=7))
|
||
|
|
|
||
|
|
def test_nan_array(self):
|
||
|
|
anan = np.array(np.nan)
|
||
|
|
aone = np.array(1)
|
||
|
|
ainf = np.array(np.inf)
|
||
|
|
self._assert_func(anan, anan)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(anan, aone))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(anan, ainf))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(ainf, anan))
|
||
|
|
|
||
|
|
def test_nan_items(self):
|
||
|
|
anan = np.array(np.nan)
|
||
|
|
aone = np.array(1)
|
||
|
|
ainf = np.array(np.inf)
|
||
|
|
self._assert_func(anan, anan)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(anan, aone))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(anan, ainf))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(ainf, anan))
|
||
|
|
|
||
|
|
|
||
|
|
class TestArrayAssertLess(unittest.TestCase):
|
||
|
|
|
||
|
|
def setUp(self):
|
||
|
|
self._assert_func = assert_array_less
|
||
|
|
|
||
|
|
def test_simple_arrays(self):
|
||
|
|
x = np.array([1.1, 2.2])
|
||
|
|
y = np.array([1.2, 2.3])
|
||
|
|
|
||
|
|
self._assert_func(x, y)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(y, x))
|
||
|
|
|
||
|
|
y = np.array([1.0, 2.3])
|
||
|
|
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(x, y))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(y, x))
|
||
|
|
|
||
|
|
def test_rank2(self):
|
||
|
|
x = np.array([[1.1, 2.2], [3.3, 4.4]])
|
||
|
|
y = np.array([[1.2, 2.3], [3.4, 4.5]])
|
||
|
|
|
||
|
|
self._assert_func(x, y)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(y, x))
|
||
|
|
|
||
|
|
y = np.array([[1.0, 2.3], [3.4, 4.5]])
|
||
|
|
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(x, y))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(y, x))
|
||
|
|
|
||
|
|
def test_rank3(self):
|
||
|
|
x = np.ones(shape=(2, 2, 2))
|
||
|
|
y = np.ones(shape=(2, 2, 2))+1
|
||
|
|
|
||
|
|
self._assert_func(x, y)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(y, x))
|
||
|
|
|
||
|
|
y[0, 0, 0] = 0
|
||
|
|
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(x, y))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(y, x))
|
||
|
|
|
||
|
|
def test_simple_items(self):
|
||
|
|
x = 1.1
|
||
|
|
y = 2.2
|
||
|
|
|
||
|
|
self._assert_func(x, y)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(y, x))
|
||
|
|
|
||
|
|
y = np.array([2.2, 3.3])
|
||
|
|
|
||
|
|
self._assert_func(x, y)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(y, x))
|
||
|
|
|
||
|
|
y = np.array([1.0, 3.3])
|
||
|
|
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(x, y))
|
||
|
|
|
||
|
|
def test_nan_noncompare(self):
|
||
|
|
anan = np.array(np.nan)
|
||
|
|
aone = np.array(1)
|
||
|
|
ainf = np.array(np.inf)
|
||
|
|
self._assert_func(anan, anan)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(aone, anan))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(anan, aone))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(anan, ainf))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(ainf, anan))
|
||
|
|
|
||
|
|
def test_nan_noncompare_array(self):
|
||
|
|
x = np.array([1.1, 2.2, 3.3])
|
||
|
|
anan = np.array(np.nan)
|
||
|
|
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(x, anan))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(anan, x))
|
||
|
|
|
||
|
|
x = np.array([1.1, 2.2, np.nan])
|
||
|
|
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(x, anan))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(anan, x))
|
||
|
|
|
||
|
|
y = np.array([1.0, 2.0, np.nan])
|
||
|
|
|
||
|
|
self._assert_func(y, x)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(x, y))
|
||
|
|
|
||
|
|
def test_inf_compare(self):
|
||
|
|
aone = np.array(1)
|
||
|
|
ainf = np.array(np.inf)
|
||
|
|
|
||
|
|
self._assert_func(aone, ainf)
|
||
|
|
self._assert_func(-ainf, aone)
|
||
|
|
self._assert_func(-ainf, ainf)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(ainf, aone))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(aone, -ainf))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(ainf, ainf))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(ainf, -ainf))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(-ainf, -ainf))
|
||
|
|
|
||
|
|
def test_inf_compare_array(self):
|
||
|
|
x = np.array([1.1, 2.2, np.inf])
|
||
|
|
ainf = np.array(np.inf)
|
||
|
|
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(x, ainf))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(ainf, x))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(x, -ainf))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(-x, -ainf))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: self._assert_func(-ainf, -x))
|
||
|
|
self._assert_func(-ainf, x)
|
||
|
|
|
||
|
|
|
||
|
|
class TestRaises(unittest.TestCase):
|
||
|
|
|
||
|
|
def setUp(self):
|
||
|
|
class MyException(Exception):
|
||
|
|
pass
|
||
|
|
|
||
|
|
self.e = MyException
|
||
|
|
|
||
|
|
def raises_exception(self, e):
|
||
|
|
raise e
|
||
|
|
|
||
|
|
def does_not_raise_exception(self):
|
||
|
|
pass
|
||
|
|
|
||
|
|
def test_correct_catch(self):
|
||
|
|
raises(self.e)(self.raises_exception)(self.e) # raises?
|
||
|
|
|
||
|
|
def test_wrong_exception(self):
|
||
|
|
try:
|
||
|
|
raises(self.e)(self.raises_exception)(RuntimeError) # raises?
|
||
|
|
except RuntimeError:
|
||
|
|
return
|
||
|
|
else:
|
||
|
|
raise AssertionError("should have caught RuntimeError")
|
||
|
|
|
||
|
|
def test_catch_no_raise(self):
|
||
|
|
try:
|
||
|
|
raises(self.e)(self.does_not_raise_exception)() # raises?
|
||
|
|
except AssertionError:
|
||
|
|
return
|
||
|
|
else:
|
||
|
|
raise AssertionError("should have raised an AssertionError")
|
||
|
|
|
||
|
|
|
||
|
|
class TestWarns(unittest.TestCase):
|
||
|
|
|
||
|
|
def test_warn(self):
|
||
|
|
def f():
|
||
|
|
warnings.warn("yo")
|
||
|
|
return 3
|
||
|
|
|
||
|
|
before_filters = sys.modules['warnings'].filters[:]
|
||
|
|
assert_equal(assert_warns(UserWarning, f), 3)
|
||
|
|
after_filters = sys.modules['warnings'].filters
|
||
|
|
|
||
|
|
assert_raises(AssertionError, assert_no_warnings, f)
|
||
|
|
assert_equal(assert_no_warnings(lambda x: x, 1), 1)
|
||
|
|
|
||
|
|
# Check that the warnings state is unchanged
|
||
|
|
assert_equal(before_filters, after_filters,
|
||
|
|
"assert_warns does not preserver warnings state")
|
||
|
|
|
||
|
|
def test_context_manager(self):
|
||
|
|
|
||
|
|
before_filters = sys.modules['warnings'].filters[:]
|
||
|
|
with assert_warns(UserWarning):
|
||
|
|
warnings.warn("yo")
|
||
|
|
after_filters = sys.modules['warnings'].filters
|
||
|
|
|
||
|
|
def no_warnings():
|
||
|
|
with assert_no_warnings():
|
||
|
|
warnings.warn("yo")
|
||
|
|
|
||
|
|
assert_raises(AssertionError, no_warnings)
|
||
|
|
assert_equal(before_filters, after_filters,
|
||
|
|
"assert_warns does not preserver warnings state")
|
||
|
|
|
||
|
|
def test_warn_wrong_warning(self):
|
||
|
|
def f():
|
||
|
|
warnings.warn("yo", DeprecationWarning)
|
||
|
|
|
||
|
|
failed = False
|
||
|
|
with warnings.catch_warnings():
|
||
|
|
warnings.simplefilter("error", DeprecationWarning)
|
||
|
|
try:
|
||
|
|
# Should raise a DeprecationWarning
|
||
|
|
assert_warns(UserWarning, f)
|
||
|
|
failed = True
|
||
|
|
except DeprecationWarning:
|
||
|
|
pass
|
||
|
|
|
||
|
|
if failed:
|
||
|
|
raise AssertionError("wrong warning caught by assert_warn")
|
||
|
|
|
||
|
|
|
||
|
|
class TestAssertAllclose(unittest.TestCase):
|
||
|
|
|
||
|
|
def test_simple(self):
|
||
|
|
x = 1e-3
|
||
|
|
y = 1e-9
|
||
|
|
|
||
|
|
assert_allclose(x, y, atol=1)
|
||
|
|
self.assertRaises(AssertionError, assert_allclose, x, y)
|
||
|
|
|
||
|
|
a = np.array([x, y, x, y])
|
||
|
|
b = np.array([x, y, x, x])
|
||
|
|
|
||
|
|
assert_allclose(a, b, atol=1)
|
||
|
|
self.assertRaises(AssertionError, assert_allclose, a, b)
|
||
|
|
|
||
|
|
b[-1] = y * (1 + 1e-8)
|
||
|
|
assert_allclose(a, b)
|
||
|
|
self.assertRaises(AssertionError, assert_allclose, a, b,
|
||
|
|
rtol=1e-9)
|
||
|
|
|
||
|
|
assert_allclose(6, 10, rtol=0.5)
|
||
|
|
self.assertRaises(AssertionError, assert_allclose, 10, 6, rtol=0.5)
|
||
|
|
|
||
|
|
def test_min_int(self):
|
||
|
|
a = np.array([np.iinfo(np.int_).min], dtype=np.int_)
|
||
|
|
# Should not raise:
|
||
|
|
assert_allclose(a, a)
|
||
|
|
|
||
|
|
def test_report_fail_percentage(self):
|
||
|
|
a = np.array([1, 1, 1, 1])
|
||
|
|
b = np.array([1, 1, 1, 2])
|
||
|
|
try:
|
||
|
|
assert_allclose(a, b)
|
||
|
|
msg = ''
|
||
|
|
except AssertionError as exc:
|
||
|
|
msg = exc.args[0]
|
||
|
|
self.assertTrue("mismatch 25.0%" in msg)
|
||
|
|
|
||
|
|
def test_equal_nan(self):
|
||
|
|
a = np.array([np.nan])
|
||
|
|
b = np.array([np.nan])
|
||
|
|
# Should not raise:
|
||
|
|
assert_allclose(a, b, equal_nan=True)
|
||
|
|
|
||
|
|
def test_not_equal_nan(self):
|
||
|
|
a = np.array([np.nan])
|
||
|
|
b = np.array([np.nan])
|
||
|
|
self.assertRaises(AssertionError, assert_allclose, a, b,
|
||
|
|
equal_nan=False)
|
||
|
|
|
||
|
|
def test_equal_nan_default(self):
|
||
|
|
# Make sure equal_nan default behavior remains unchanged. (All
|
||
|
|
# of these functions use assert_array_compare under the hood.)
|
||
|
|
# None of these should raise.
|
||
|
|
a = np.array([np.nan])
|
||
|
|
b = np.array([np.nan])
|
||
|
|
assert_array_equal(a, b)
|
||
|
|
assert_array_almost_equal(a, b)
|
||
|
|
assert_array_less(a, b)
|
||
|
|
assert_allclose(a, b)
|
||
|
|
|
||
|
|
|
||
|
|
class TestArrayAlmostEqualNulp(unittest.TestCase):
|
||
|
|
|
||
|
|
def test_float64_pass(self):
|
||
|
|
# The number of units of least precision
|
||
|
|
# In this case, use a few places above the lowest level (ie nulp=1)
|
||
|
|
nulp = 5
|
||
|
|
x = np.linspace(-20, 20, 50, dtype=np.float64)
|
||
|
|
x = 10**x
|
||
|
|
x = np.r_[-x, x]
|
||
|
|
|
||
|
|
# Addition
|
||
|
|
eps = np.finfo(x.dtype).eps
|
||
|
|
y = x + x*eps*nulp/2.
|
||
|
|
assert_array_almost_equal_nulp(x, y, nulp)
|
||
|
|
|
||
|
|
# Subtraction
|
||
|
|
epsneg = np.finfo(x.dtype).epsneg
|
||
|
|
y = x - x*epsneg*nulp/2.
|
||
|
|
assert_array_almost_equal_nulp(x, y, nulp)
|
||
|
|
|
||
|
|
def test_float64_fail(self):
|
||
|
|
nulp = 5
|
||
|
|
x = np.linspace(-20, 20, 50, dtype=np.float64)
|
||
|
|
x = 10**x
|
||
|
|
x = np.r_[-x, x]
|
||
|
|
|
||
|
|
eps = np.finfo(x.dtype).eps
|
||
|
|
y = x + x*eps*nulp*2.
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
x, y, nulp)
|
||
|
|
|
||
|
|
epsneg = np.finfo(x.dtype).epsneg
|
||
|
|
y = x - x*epsneg*nulp*2.
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
x, y, nulp)
|
||
|
|
|
||
|
|
def test_float32_pass(self):
|
||
|
|
nulp = 5
|
||
|
|
x = np.linspace(-20, 20, 50, dtype=np.float32)
|
||
|
|
x = 10**x
|
||
|
|
x = np.r_[-x, x]
|
||
|
|
|
||
|
|
eps = np.finfo(x.dtype).eps
|
||
|
|
y = x + x*eps*nulp/2.
|
||
|
|
assert_array_almost_equal_nulp(x, y, nulp)
|
||
|
|
|
||
|
|
epsneg = np.finfo(x.dtype).epsneg
|
||
|
|
y = x - x*epsneg*nulp/2.
|
||
|
|
assert_array_almost_equal_nulp(x, y, nulp)
|
||
|
|
|
||
|
|
def test_float32_fail(self):
|
||
|
|
nulp = 5
|
||
|
|
x = np.linspace(-20, 20, 50, dtype=np.float32)
|
||
|
|
x = 10**x
|
||
|
|
x = np.r_[-x, x]
|
||
|
|
|
||
|
|
eps = np.finfo(x.dtype).eps
|
||
|
|
y = x + x*eps*nulp*2.
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
x, y, nulp)
|
||
|
|
|
||
|
|
epsneg = np.finfo(x.dtype).epsneg
|
||
|
|
y = x - x*epsneg*nulp*2.
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
x, y, nulp)
|
||
|
|
|
||
|
|
def test_complex128_pass(self):
|
||
|
|
nulp = 5
|
||
|
|
x = np.linspace(-20, 20, 50, dtype=np.float64)
|
||
|
|
x = 10**x
|
||
|
|
x = np.r_[-x, x]
|
||
|
|
xi = x + x*1j
|
||
|
|
|
||
|
|
eps = np.finfo(x.dtype).eps
|
||
|
|
y = x + x*eps*nulp/2.
|
||
|
|
assert_array_almost_equal_nulp(xi, x + y*1j, nulp)
|
||
|
|
assert_array_almost_equal_nulp(xi, y + x*1j, nulp)
|
||
|
|
# The test condition needs to be at least a factor of sqrt(2) smaller
|
||
|
|
# because the real and imaginary parts both change
|
||
|
|
y = x + x*eps*nulp/4.
|
||
|
|
assert_array_almost_equal_nulp(xi, y + y*1j, nulp)
|
||
|
|
|
||
|
|
epsneg = np.finfo(x.dtype).epsneg
|
||
|
|
y = x - x*epsneg*nulp/2.
|
||
|
|
assert_array_almost_equal_nulp(xi, x + y*1j, nulp)
|
||
|
|
assert_array_almost_equal_nulp(xi, y + x*1j, nulp)
|
||
|
|
y = x - x*epsneg*nulp/4.
|
||
|
|
assert_array_almost_equal_nulp(xi, y + y*1j, nulp)
|
||
|
|
|
||
|
|
def test_complex128_fail(self):
|
||
|
|
nulp = 5
|
||
|
|
x = np.linspace(-20, 20, 50, dtype=np.float64)
|
||
|
|
x = 10**x
|
||
|
|
x = np.r_[-x, x]
|
||
|
|
xi = x + x*1j
|
||
|
|
|
||
|
|
eps = np.finfo(x.dtype).eps
|
||
|
|
y = x + x*eps*nulp*2.
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
xi, x + y*1j, nulp)
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
xi, y + x*1j, nulp)
|
||
|
|
# The test condition needs to be at least a factor of sqrt(2) smaller
|
||
|
|
# because the real and imaginary parts both change
|
||
|
|
y = x + x*eps*nulp
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
xi, y + y*1j, nulp)
|
||
|
|
|
||
|
|
epsneg = np.finfo(x.dtype).epsneg
|
||
|
|
y = x - x*epsneg*nulp*2.
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
xi, x + y*1j, nulp)
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
xi, y + x*1j, nulp)
|
||
|
|
y = x - x*epsneg*nulp
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
xi, y + y*1j, nulp)
|
||
|
|
|
||
|
|
def test_complex64_pass(self):
|
||
|
|
nulp = 5
|
||
|
|
x = np.linspace(-20, 20, 50, dtype=np.float32)
|
||
|
|
x = 10**x
|
||
|
|
x = np.r_[-x, x]
|
||
|
|
xi = x + x*1j
|
||
|
|
|
||
|
|
eps = np.finfo(x.dtype).eps
|
||
|
|
y = x + x*eps*nulp/2.
|
||
|
|
assert_array_almost_equal_nulp(xi, x + y*1j, nulp)
|
||
|
|
assert_array_almost_equal_nulp(xi, y + x*1j, nulp)
|
||
|
|
y = x + x*eps*nulp/4.
|
||
|
|
assert_array_almost_equal_nulp(xi, y + y*1j, nulp)
|
||
|
|
|
||
|
|
epsneg = np.finfo(x.dtype).epsneg
|
||
|
|
y = x - x*epsneg*nulp/2.
|
||
|
|
assert_array_almost_equal_nulp(xi, x + y*1j, nulp)
|
||
|
|
assert_array_almost_equal_nulp(xi, y + x*1j, nulp)
|
||
|
|
y = x - x*epsneg*nulp/4.
|
||
|
|
assert_array_almost_equal_nulp(xi, y + y*1j, nulp)
|
||
|
|
|
||
|
|
def test_complex64_fail(self):
|
||
|
|
nulp = 5
|
||
|
|
x = np.linspace(-20, 20, 50, dtype=np.float32)
|
||
|
|
x = 10**x
|
||
|
|
x = np.r_[-x, x]
|
||
|
|
xi = x + x*1j
|
||
|
|
|
||
|
|
eps = np.finfo(x.dtype).eps
|
||
|
|
y = x + x*eps*nulp*2.
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
xi, x + y*1j, nulp)
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
xi, y + x*1j, nulp)
|
||
|
|
y = x + x*eps*nulp
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
xi, y + y*1j, nulp)
|
||
|
|
|
||
|
|
epsneg = np.finfo(x.dtype).epsneg
|
||
|
|
y = x - x*epsneg*nulp*2.
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
xi, x + y*1j, nulp)
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
xi, y + x*1j, nulp)
|
||
|
|
y = x - x*epsneg*nulp
|
||
|
|
self.assertRaises(AssertionError, assert_array_almost_equal_nulp,
|
||
|
|
xi, y + y*1j, nulp)
|
||
|
|
|
||
|
|
|
||
|
|
class TestULP(unittest.TestCase):
|
||
|
|
|
||
|
|
def test_equal(self):
|
||
|
|
x = np.random.randn(10)
|
||
|
|
assert_array_max_ulp(x, x, maxulp=0)
|
||
|
|
|
||
|
|
def test_single(self):
|
||
|
|
# Generate 1 + small deviation, check that adding eps gives a few UNL
|
||
|
|
x = np.ones(10).astype(np.float32)
|
||
|
|
x += 0.01 * np.random.randn(10).astype(np.float32)
|
||
|
|
eps = np.finfo(np.float32).eps
|
||
|
|
assert_array_max_ulp(x, x+eps, maxulp=20)
|
||
|
|
|
||
|
|
def test_double(self):
|
||
|
|
# Generate 1 + small deviation, check that adding eps gives a few UNL
|
||
|
|
x = np.ones(10).astype(np.float64)
|
||
|
|
x += 0.01 * np.random.randn(10).astype(np.float64)
|
||
|
|
eps = np.finfo(np.float64).eps
|
||
|
|
assert_array_max_ulp(x, x+eps, maxulp=200)
|
||
|
|
|
||
|
|
def test_inf(self):
|
||
|
|
for dt in [np.float32, np.float64]:
|
||
|
|
inf = np.array([np.inf]).astype(dt)
|
||
|
|
big = np.array([np.finfo(dt).max])
|
||
|
|
assert_array_max_ulp(inf, big, maxulp=200)
|
||
|
|
|
||
|
|
def test_nan(self):
|
||
|
|
# Test that nan is 'far' from small, tiny, inf, max and min
|
||
|
|
for dt in [np.float32, np.float64]:
|
||
|
|
if dt == np.float32:
|
||
|
|
maxulp = 1e6
|
||
|
|
else:
|
||
|
|
maxulp = 1e12
|
||
|
|
inf = np.array([np.inf]).astype(dt)
|
||
|
|
nan = np.array([np.nan]).astype(dt)
|
||
|
|
big = np.array([np.finfo(dt).max])
|
||
|
|
tiny = np.array([np.finfo(dt).tiny])
|
||
|
|
zero = np.array([np.PZERO]).astype(dt)
|
||
|
|
nzero = np.array([np.NZERO]).astype(dt)
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: assert_array_max_ulp(nan, inf,
|
||
|
|
maxulp=maxulp))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: assert_array_max_ulp(nan, big,
|
||
|
|
maxulp=maxulp))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: assert_array_max_ulp(nan, tiny,
|
||
|
|
maxulp=maxulp))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: assert_array_max_ulp(nan, zero,
|
||
|
|
maxulp=maxulp))
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: assert_array_max_ulp(nan, nzero,
|
||
|
|
maxulp=maxulp))
|
||
|
|
|
||
|
|
|
||
|
|
class TestStringEqual(unittest.TestCase):
|
||
|
|
def test_simple(self):
|
||
|
|
assert_string_equal("hello", "hello")
|
||
|
|
assert_string_equal("hello\nmultiline", "hello\nmultiline")
|
||
|
|
|
||
|
|
try:
|
||
|
|
assert_string_equal("foo\nbar", "hello\nbar")
|
||
|
|
except AssertionError as exc:
|
||
|
|
assert_equal(str(exc), "Differences in strings:\n- foo\n+ hello")
|
||
|
|
else:
|
||
|
|
raise AssertionError("exception not raised")
|
||
|
|
|
||
|
|
self.assertRaises(AssertionError,
|
||
|
|
lambda: assert_string_equal("foo", "hello"))
|
||
|
|
|
||
|
|
|
||
|
|
def assert_warn_len_equal(mod, n_in_context, py3_n_in_context=None):
|
||
|
|
mod_warns = mod.__warningregistry__
|
||
|
|
# Python 3.4 appears to clear any pre-existing warnings of the same type,
|
||
|
|
# when raising warnings inside a catch_warnings block. So, there is a
|
||
|
|
# warning generated by the tests within the context manager, but no
|
||
|
|
# previous warnings.
|
||
|
|
if 'version' in mod_warns:
|
||
|
|
if py3_n_in_context is None:
|
||
|
|
py3_n_in_context = n_in_context
|
||
|
|
assert_equal(len(mod_warns) - 1, py3_n_in_context)
|
||
|
|
else:
|
||
|
|
assert_equal(len(mod_warns), n_in_context)
|
||
|
|
|
||
|
|
|
||
|
|
def _get_fresh_mod():
|
||
|
|
# Get this module, with warning registry empty
|
||
|
|
my_mod = sys.modules[__name__]
|
||
|
|
try:
|
||
|
|
my_mod.__warningregistry__.clear()
|
||
|
|
except AttributeError:
|
||
|
|
pass
|
||
|
|
return my_mod
|
||
|
|
|
||
|
|
|
||
|
|
def test_clear_and_catch_warnings():
|
||
|
|
# Initial state of module, no warnings
|
||
|
|
my_mod = _get_fresh_mod()
|
||
|
|
assert_equal(getattr(my_mod, '__warningregistry__', {}), {})
|
||
|
|
with clear_and_catch_warnings(modules=[my_mod]):
|
||
|
|
warnings.simplefilter('ignore')
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
assert_equal(my_mod.__warningregistry__, {})
|
||
|
|
# Without specified modules, don't clear warnings during context
|
||
|
|
with clear_and_catch_warnings():
|
||
|
|
warnings.simplefilter('ignore')
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
assert_warn_len_equal(my_mod, 1)
|
||
|
|
# Confirm that specifying module keeps old warning, does not add new
|
||
|
|
with clear_and_catch_warnings(modules=[my_mod]):
|
||
|
|
warnings.simplefilter('ignore')
|
||
|
|
warnings.warn('Another warning')
|
||
|
|
assert_warn_len_equal(my_mod, 1)
|
||
|
|
# Another warning, no module spec does add to warnings dict, except on
|
||
|
|
# Python 3.4 (see comments in `assert_warn_len_equal`)
|
||
|
|
with clear_and_catch_warnings():
|
||
|
|
warnings.simplefilter('ignore')
|
||
|
|
warnings.warn('Another warning')
|
||
|
|
assert_warn_len_equal(my_mod, 2, 1)
|
||
|
|
|
||
|
|
|
||
|
|
def test_suppress_warnings_module():
|
||
|
|
# Initial state of module, no warnings
|
||
|
|
my_mod = _get_fresh_mod()
|
||
|
|
assert_equal(getattr(my_mod, '__warningregistry__', {}), {})
|
||
|
|
|
||
|
|
def warn_other_module():
|
||
|
|
# Apply along axis is implemented in python; stacklevel=2 means
|
||
|
|
# we end up inside its module, not ours.
|
||
|
|
def warn(arr):
|
||
|
|
warnings.warn("Some warning 2", stacklevel=2)
|
||
|
|
return arr
|
||
|
|
np.apply_along_axis(warn, 0, [0])
|
||
|
|
|
||
|
|
# Test module based warning suppression:
|
||
|
|
with suppress_warnings() as sup:
|
||
|
|
sup.record(UserWarning)
|
||
|
|
# suppress warning from other module (may have .pyc ending),
|
||
|
|
# if apply_along_axis is moved, had to be changed.
|
||
|
|
sup.filter(module=np.lib.shape_base)
|
||
|
|
warnings.warn("Some warning")
|
||
|
|
warn_other_module()
|
||
|
|
# Check that the suppression did test the file correctly (this module
|
||
|
|
# got filtered)
|
||
|
|
assert_(len(sup.log) == 1)
|
||
|
|
assert_(sup.log[0].message.args[0] == "Some warning")
|
||
|
|
|
||
|
|
assert_warn_len_equal(my_mod, 0)
|
||
|
|
sup = suppress_warnings()
|
||
|
|
# Will have to be changed if apply_along_axis is moved:
|
||
|
|
sup.filter(module=my_mod)
|
||
|
|
with sup:
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
assert_warn_len_equal(my_mod, 0)
|
||
|
|
# And test repeat works:
|
||
|
|
sup.filter(module=my_mod)
|
||
|
|
with sup:
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
assert_warn_len_equal(my_mod, 0)
|
||
|
|
|
||
|
|
# Without specified modules, don't clear warnings during context
|
||
|
|
with suppress_warnings():
|
||
|
|
warnings.simplefilter('ignore')
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
assert_warn_len_equal(my_mod, 1)
|
||
|
|
|
||
|
|
|
||
|
|
def test_suppress_warnings_type():
|
||
|
|
# Initial state of module, no warnings
|
||
|
|
my_mod = _get_fresh_mod()
|
||
|
|
assert_equal(getattr(my_mod, '__warningregistry__', {}), {})
|
||
|
|
|
||
|
|
# Test module based warning suppression:
|
||
|
|
with suppress_warnings() as sup:
|
||
|
|
sup.filter(UserWarning)
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
assert_warn_len_equal(my_mod, 0)
|
||
|
|
sup = suppress_warnings()
|
||
|
|
sup.filter(UserWarning)
|
||
|
|
with sup:
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
assert_warn_len_equal(my_mod, 0)
|
||
|
|
# And test repeat works:
|
||
|
|
sup.filter(module=my_mod)
|
||
|
|
with sup:
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
assert_warn_len_equal(my_mod, 0)
|
||
|
|
|
||
|
|
# Without specified modules, don't clear warnings during context
|
||
|
|
with suppress_warnings():
|
||
|
|
warnings.simplefilter('ignore')
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
assert_warn_len_equal(my_mod, 1)
|
||
|
|
|
||
|
|
|
||
|
|
def test_suppress_warnings_decorate_no_record():
|
||
|
|
sup = suppress_warnings()
|
||
|
|
sup.filter(UserWarning)
|
||
|
|
|
||
|
|
@sup
|
||
|
|
def warn(category):
|
||
|
|
warnings.warn('Some warning', category)
|
||
|
|
|
||
|
|
with warnings.catch_warnings(record=True) as w:
|
||
|
|
warnings.simplefilter("always")
|
||
|
|
warn(UserWarning) # should be supppressed
|
||
|
|
warn(RuntimeWarning)
|
||
|
|
assert_(len(w) == 1)
|
||
|
|
|
||
|
|
|
||
|
|
def test_suppress_warnings_record():
|
||
|
|
sup = suppress_warnings()
|
||
|
|
log1 = sup.record()
|
||
|
|
|
||
|
|
with sup:
|
||
|
|
log2 = sup.record(message='Some other warning 2')
|
||
|
|
sup.filter(message='Some warning')
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
warnings.warn('Some other warning')
|
||
|
|
warnings.warn('Some other warning 2')
|
||
|
|
|
||
|
|
assert_(len(sup.log) == 2)
|
||
|
|
assert_(len(log1) == 1)
|
||
|
|
assert_(len(log2) == 1)
|
||
|
|
assert_(log2[0].message.args[0] == 'Some other warning 2')
|
||
|
|
|
||
|
|
# Do it again, with the same context to see if some warnings survived:
|
||
|
|
with sup:
|
||
|
|
log2 = sup.record(message='Some other warning 2')
|
||
|
|
sup.filter(message='Some warning')
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
warnings.warn('Some other warning')
|
||
|
|
warnings.warn('Some other warning 2')
|
||
|
|
|
||
|
|
assert_(len(sup.log) == 2)
|
||
|
|
assert_(len(log1) == 1)
|
||
|
|
assert_(len(log2) == 1)
|
||
|
|
assert_(log2[0].message.args[0] == 'Some other warning 2')
|
||
|
|
|
||
|
|
# Test nested:
|
||
|
|
with suppress_warnings() as sup:
|
||
|
|
sup.record()
|
||
|
|
with suppress_warnings() as sup2:
|
||
|
|
sup2.record(message='Some warning')
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
warnings.warn('Some other warning')
|
||
|
|
assert_(len(sup2.log) == 1)
|
||
|
|
assert_(len(sup.log) == 1)
|
||
|
|
|
||
|
|
|
||
|
|
def test_suppress_warnings_forwarding():
|
||
|
|
def warn_other_module():
|
||
|
|
# Apply along axis is implemented in python; stacklevel=2 means
|
||
|
|
# we end up inside its module, not ours.
|
||
|
|
def warn(arr):
|
||
|
|
warnings.warn("Some warning", stacklevel=2)
|
||
|
|
return arr
|
||
|
|
np.apply_along_axis(warn, 0, [0])
|
||
|
|
|
||
|
|
with suppress_warnings() as sup:
|
||
|
|
sup.record()
|
||
|
|
with suppress_warnings("always"):
|
||
|
|
for i in range(2):
|
||
|
|
warnings.warn("Some warning")
|
||
|
|
|
||
|
|
assert_(len(sup.log) == 2)
|
||
|
|
|
||
|
|
with suppress_warnings() as sup:
|
||
|
|
sup.record()
|
||
|
|
with suppress_warnings("location"):
|
||
|
|
for i in range(2):
|
||
|
|
warnings.warn("Some warning")
|
||
|
|
warnings.warn("Some warning")
|
||
|
|
|
||
|
|
assert_(len(sup.log) == 2)
|
||
|
|
|
||
|
|
with suppress_warnings() as sup:
|
||
|
|
sup.record()
|
||
|
|
with suppress_warnings("module"):
|
||
|
|
for i in range(2):
|
||
|
|
warnings.warn("Some warning")
|
||
|
|
warnings.warn("Some warning")
|
||
|
|
warn_other_module()
|
||
|
|
|
||
|
|
assert_(len(sup.log) == 2)
|
||
|
|
|
||
|
|
with suppress_warnings() as sup:
|
||
|
|
sup.record()
|
||
|
|
with suppress_warnings("once"):
|
||
|
|
for i in range(2):
|
||
|
|
warnings.warn("Some warning")
|
||
|
|
warnings.warn("Some other warning")
|
||
|
|
warn_other_module()
|
||
|
|
|
||
|
|
assert_(len(sup.log) == 2)
|
||
|
|
|
||
|
|
|
||
|
|
def test_tempdir():
|
||
|
|
with tempdir() as tdir:
|
||
|
|
fpath = os.path.join(tdir, 'tmp')
|
||
|
|
with open(fpath, 'w'):
|
||
|
|
pass
|
||
|
|
assert_(not os.path.isdir(tdir))
|
||
|
|
|
||
|
|
raised = False
|
||
|
|
try:
|
||
|
|
with tempdir() as tdir:
|
||
|
|
raise ValueError()
|
||
|
|
except ValueError:
|
||
|
|
raised = True
|
||
|
|
assert_(raised)
|
||
|
|
assert_(not os.path.isdir(tdir))
|
||
|
|
|
||
|
|
|
||
|
|
def test_temppath():
|
||
|
|
with temppath() as fpath:
|
||
|
|
with open(fpath, 'w') as f:
|
||
|
|
pass
|
||
|
|
assert_(not os.path.isfile(fpath))
|
||
|
|
|
||
|
|
raised = False
|
||
|
|
try:
|
||
|
|
with temppath() as fpath:
|
||
|
|
raise ValueError()
|
||
|
|
except ValueError:
|
||
|
|
raised = True
|
||
|
|
assert_(raised)
|
||
|
|
assert_(not os.path.isfile(fpath))
|
||
|
|
|
||
|
|
|
||
|
|
class my_cacw(clear_and_catch_warnings):
|
||
|
|
|
||
|
|
class_modules = (sys.modules[__name__],)
|
||
|
|
|
||
|
|
|
||
|
|
def test_clear_and_catch_warnings_inherit():
|
||
|
|
# Test can subclass and add default modules
|
||
|
|
my_mod = _get_fresh_mod()
|
||
|
|
with my_cacw():
|
||
|
|
warnings.simplefilter('ignore')
|
||
|
|
warnings.warn('Some warning')
|
||
|
|
assert_equal(my_mod.__warningregistry__, {})
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
run_module_suite()
|