Added initial scipy.basic.tests site.

3 files changed, 53 insertions, 0 deletions

diff --git a/scipy/basic/__init__.py b/scipy/basic/__init__.py
index d61b68fbe..2550e96c8 100644
--- a/scipy/basic/__init__.py
+++ b/scipy/basic/__init__.py
@@ -1 +1,4 @@
 # To get sub-modules
+
+from scipy.test.testing import ScipyTest 
+test = ScipyTest('scipy.basic').test
diff --git a/scipy/basic/setup.py b/scipy/basic/setup.py
new file mode 100644
index 000000000..7cb22425a
--- /dev/null
+++ b/scipy/basic/setup.py
@@ -0,0 +1,5 @@
+def configuration(parent_package='',top_path=None):
+    from scipy.distutils.misc_util import Configuration
+    config = Configuration('basic',parent_package,top_path)
+    config.add_data_dir('tests')
+    return config
diff --git a/scipy/basic/tests/test_helper.py b/scipy/basic/tests/test_helper.py
new file mode 100644
index 000000000..cd7dd67cc
--- /dev/null
+++ b/scipy/basic/tests/test_helper.py
@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+# Copied from fftpack.helper by Pearu Peterson, October 2005
+""" Test functions for fftpack.helper module
+"""
+
+import sys
+from scipy.test.testing import *
+set_package_path()
+from scipy.basic.helper import fftshift,ifftshift,fftfreq
+del sys.path[0]
+
+from scipy import pi
+
+def random(size):
+    return rand(*size)
+
+class test_fftshift(ScipyTestCase):
+
+    def check_definition(self):
+        x = [0,1,2,3,4,-4,-3,-2,-1]
+        y = [-4,-3,-2,-1,0,1,2,3,4]
+        assert_array_almost_equal(fftshift(x),y)
+        assert_array_almost_equal(ifftshift(y),x)
+        x = [0,1,2,3,4,-5,-4,-3,-2,-1]
+        y = [-5,-4,-3,-2,-1,0,1,2,3,4]
+        assert_array_almost_equal(fftshift(x),y)
+        assert_array_almost_equal(ifftshift(y),x)
+
+    def check_inverse(self):
+        for n in [1,4,9,100,211]:
+            x = random((n,))
+            assert_array_almost_equal(ifftshift(fftshift(x)),x)
+
+class test_fftfreq(ScipyTestCase):
+
+    def check_definition(self):
+        x = [0,1,2,3,4,-4,-3,-2,-1]
+        assert_array_almost_equal(9*fftfreq(9),x)
+        assert_array_almost_equal(9*pi*fftfreq(9,pi),x)
+        x = [0,1,2,3,4,-5,-4,-3,-2,-1]
+        assert_array_almost_equal(10*fftfreq(10),x)
+        assert_array_almost_equal(10*pi*fftfreq(10,pi),x)
+
+if __name__ == "__main__":
+    ScipyTest().run()