diff options
Diffstat (limited to 'numpy/lib/tests/test_arraypad.py')
| -rw-r--r-- | numpy/lib/tests/test_arraypad.py | 59 |
1 files changed, 31 insertions, 28 deletions
diff --git a/numpy/lib/tests/test_arraypad.py b/numpy/lib/tests/test_arraypad.py index 65593dd29..75db5928b 100644 --- a/numpy/lib/tests/test_arraypad.py +++ b/numpy/lib/tests/test_arraypad.py @@ -1,8 +1,6 @@ """Tests for the array padding functions. """ -from __future__ import division, absolute_import, print_function - import pytest import numpy as np @@ -31,7 +29,7 @@ _all_modes = { } -class TestAsPairs(object): +class TestAsPairs: def test_single_value(self): """Test casting for a single value.""" expected = np.array([[3, 3]] * 10) @@ -114,7 +112,7 @@ class TestAsPairs(object): _as_pairs(np.ones((2, 3)), 3) -class TestConditionalShortcuts(object): +class TestConditionalShortcuts: @pytest.mark.parametrize("mode", _all_modes.keys()) def test_zero_padding_shortcuts(self, mode): test = np.arange(120).reshape(4, 5, 6) @@ -136,7 +134,7 @@ class TestConditionalShortcuts(object): np.pad(test, pad_amt, mode=mode, stat_length=30)) -class TestStatistic(object): +class TestStatistic: def test_check_mean_stat_length(self): a = np.arange(100).astype('f') a = np.pad(a, ((25, 20), ), 'mean', stat_length=((2, 3), )) @@ -498,7 +496,7 @@ class TestStatistic(object): np.pad([1., 2.], 1, mode, stat_length=(1, 0)) -class TestConstant(object): +class TestConstant: def test_check_constant(self): a = np.arange(100) a = np.pad(a, (25, 20), 'constant', constant_values=(10, 20)) @@ -677,7 +675,7 @@ class TestConstant(object): assert result.shape == (3, 4, 4) -class TestLinearRamp(object): +class TestLinearRamp: def test_check_simple(self): a = np.arange(100).astype('f') a = np.pad(a, (25, 20), 'linear_ramp', end_values=(4, 5)) @@ -762,7 +760,7 @@ class TestLinearRamp(object): assert_equal(result, expected) -class TestReflect(object): +class TestReflect: def test_check_simple(self): a = np.arange(100) a = np.pad(a, (25, 20), 'reflect') @@ -872,7 +870,7 @@ class TestReflect(object): assert_array_equal(a, b) -class TestEmptyArray(object): +class TestEmptyArray: """Check how padding behaves on arrays with an empty dimension.""" @pytest.mark.parametrize( @@ -896,7 +894,7 @@ class TestEmptyArray(object): assert result.shape == (8, 0, 4) -class TestSymmetric(object): +class TestSymmetric: def test_check_simple(self): a = np.arange(100) a = np.pad(a, (25, 20), 'symmetric') @@ -1030,7 +1028,7 @@ class TestSymmetric(object): assert_array_equal(a, b) -class TestWrap(object): +class TestWrap: def test_check_simple(self): a = np.arange(100) a = np.pad(a, (25, 20), 'wrap') @@ -1144,7 +1142,7 @@ class TestWrap(object): assert_array_equal(np.r_[a, a, a, a][:-3], b) -class TestEdge(object): +class TestEdge: def test_check_simple(self): a = np.arange(12) a = np.reshape(a, (4, 3)) @@ -1183,7 +1181,7 @@ class TestEdge(object): assert_array_equal(padded, expected) -class TestEmpty(object): +class TestEmpty: def test_simple(self): arr = np.arange(24).reshape(4, 6) result = np.pad(arr, [(2, 3), (3, 1)], mode="empty") @@ -1231,7 +1229,7 @@ def test_object_input(mode): assert_array_equal(np.pad(a, pad_amt, mode=mode), b) -class TestPadWidth(object): +class TestPadWidth: @pytest.mark.parametrize("pad_width", [ (4, 5, 6, 7), ((1,), (2,), (3,)), @@ -1262,24 +1260,29 @@ class TestPadWidth(object): with pytest.raises(ValueError, match=match): np.pad(arr, pad_width, mode) - @pytest.mark.parametrize("pad_width", [ - "3", - "word", - None, - object(), - 3.4, - ((2, 3, 4), (3, 2)), # dtype=object (tuple) - complex(1, -1), - ((-2.1, 3), (3, 2)), + @pytest.mark.parametrize("pad_width, dtype", [ + ("3", None), + ("word", None), + (None, None), + (object(), None), + (3.4, None), + (((2, 3, 4), (3, 2)), object), + (complex(1, -1), None), + (((-2.1, 3), (3, 2)), None), ]) @pytest.mark.parametrize("mode", _all_modes.keys()) - def test_bad_type(self, pad_width, mode): + def test_bad_type(self, pad_width, dtype, mode): arr = np.arange(30).reshape((6, 5)) match = "`pad_width` must be of integral type." - with pytest.raises(TypeError, match=match): - np.pad(arr, pad_width, mode) - with pytest.raises(TypeError, match=match): - np.pad(arr, np.array(pad_width), mode) + if dtype is not None: + # avoid DeprecationWarning when not specifying dtype + with pytest.raises(TypeError, match=match): + np.pad(arr, np.array(pad_width, dtype=dtype), mode) + else: + with pytest.raises(TypeError, match=match): + np.pad(arr, pad_width, mode) + with pytest.raises(TypeError, match=match): + np.pad(arr, np.array(pad_width), mode) def test_pad_width_as_ndarray(self): a = np.arange(12) |