Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/scipy/fft/tests/mock_backend.py

@@ -0,0 +1,56 @@
+import numpy as np
+
+class _MockFunction:
+    def __init__(self, return_value = None):
+        self.number_calls = 0
+        self.return_value = return_value
+        self.last_args = ([], {})
+
+    def __call__(self, *args, **kwargs):
+        self.number_calls += 1
+        self.last_args = (args, kwargs)
+        return self.return_value
+
+
+fft = _MockFunction(np.random.random(10))
+fft2 = _MockFunction(np.random.random(10))
+fftn = _MockFunction(np.random.random(10))
+
+ifft = _MockFunction(np.random.random(10))
+ifft2 = _MockFunction(np.random.random(10))
+ifftn = _MockFunction(np.random.random(10))
+
+rfft = _MockFunction(np.random.random(10))
+rfft2 = _MockFunction(np.random.random(10))
+rfftn = _MockFunction(np.random.random(10))
+
+irfft = _MockFunction(np.random.random(10))
+irfft2 = _MockFunction(np.random.random(10))
+irfftn = _MockFunction(np.random.random(10))
+
+hfft = _MockFunction(np.random.random(10))
+hfft2 = _MockFunction(np.random.random(10))
+hfftn = _MockFunction(np.random.random(10))
+
+ihfft = _MockFunction(np.random.random(10))
+ihfft2 = _MockFunction(np.random.random(10))
+ihfftn = _MockFunction(np.random.random(10))
+
+dct = _MockFunction(np.random.random(10))
+idct = _MockFunction(np.random.random(10))
+dctn = _MockFunction(np.random.random(10))
+idctn = _MockFunction(np.random.random(10))
+
+dst = _MockFunction(np.random.random(10))
+idst = _MockFunction(np.random.random(10))
+dstn = _MockFunction(np.random.random(10))
+idstn = _MockFunction(np.random.random(10))
+
+
+__ua_domain__ = "numpy.scipy.fft"
+
+
+def __ua_function__(method, args, kwargs):
+    fn = globals().get(method.__name__)
+    return (fn(*args, **kwargs) if fn is not None
+            else NotImplemented)