Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/pywt/tests/test_deprecations.py

@@ -0,0 +1,89 @@
+import warnings
+
+import numpy as np
+from numpy.testing import assert_warns, assert_array_equal
+
+import pywt
+
+
+def test_intwave_deprecation():
+    wavelet = pywt.Wavelet('db3')
+    assert_warns(DeprecationWarning, pywt.intwave, wavelet)
+
+
+def test_centrfrq_deprecation():
+    wavelet = pywt.Wavelet('db3')
+    assert_warns(DeprecationWarning, pywt.centrfrq, wavelet)
+
+
+def test_scal2frq_deprecation():
+    wavelet = pywt.Wavelet('db3')
+    assert_warns(DeprecationWarning, pywt.scal2frq, wavelet, 1)
+
+
+def test_orthfilt_deprecation():
+    assert_warns(DeprecationWarning, pywt.orthfilt, range(6))
+
+
+def test_integrate_wave_tuple():
+    sig = [0, 1, 2, 3]
+    xgrid = [0, 1, 2, 3]
+    assert_warns(DeprecationWarning, pywt.integrate_wavelet, (sig, xgrid))
+
+
+old_modes = ['zpd',
+             'cpd',
+             'sym',
+             'ppd',
+             'sp1',
+             'per',
+             ]
+
+
+def test_MODES_from_object_deprecation():
+    for mode in old_modes:
+        assert_warns(DeprecationWarning, pywt.Modes.from_object, mode)
+
+
+def test_MODES_attributes_deprecation():
+    def get_mode(Modes, name):
+        return getattr(Modes, name)
+
+    for mode in old_modes:
+        assert_warns(DeprecationWarning, get_mode, pywt.Modes, mode)
+
+
+def test_MODES_deprecation_new():
+    def use_MODES_new():
+        return pywt.MODES.symmetric
+
+    assert_warns(DeprecationWarning, use_MODES_new)
+
+
+def test_MODES_deprecation_old():
+    def use_MODES_old():
+        return pywt.MODES.sym
+
+    assert_warns(DeprecationWarning, use_MODES_old)
+
+
+def test_MODES_deprecation_getattr():
+    def use_MODES_new():
+        return getattr(pywt.MODES, 'symmetric')
+
+    assert_warns(DeprecationWarning, use_MODES_new)
+
+
+def test_mode_equivalence():
+    old_new = [('zpd', 'zero'),
+               ('cpd', 'constant'),
+               ('sym', 'symmetric'),
+               ('ppd', 'periodic'),
+               ('sp1', 'smooth'),
+               ('per', 'periodization')]
+    x = np.arange(8.)
+    with warnings.catch_warnings():
+        warnings.simplefilter('ignore', DeprecationWarning)
+        for old, new in old_new:
+            assert_array_equal(pywt.dwt(x, 'db2', mode=old),
+                               pywt.dwt(x, 'db2', mode=new))