[Checkins] SVN: BTrees/branches/pure_python/ 100% coverage for Length.

[Tres Seaver]

Log message for revision 128230:
  100% coverage for Length.
  
  #Rename test module to match 'test_<MUT>' pattern.

Changed:
  _U  BTrees/branches/pure_python/
  U   BTrees/branches/pure_python/BTrees/Length.py
  D   BTrees/branches/pure_python/BTrees/tests/testLength.py
  A   BTrees/branches/pure_python/BTrees/tests/test_Length.py

-=-
Modified: BTrees/branches/pure_python/BTrees/Length.py
===================================================================
--- BTrees/branches/pure_python/BTrees/Length.py	2012-11-11 19:00:40 UTC (rev 128229)
+++ BTrees/branches/pure_python/BTrees/Length.py	2012-11-11 19:20:46 UTC (rev 128230)
@@ -28,8 +28,9 @@
     longer works as expected, because new-style classes cache
     class-defined slot methods (like __len__) in C type slots.  Thus,
     instance-defined slot fillers are ignored.
-
     """
+    # class-level default required to keep copy.deepcopy happy -- see
+    # https://bugs.launchpad.net/zodb/+bug/516653
     value = 0
 
     def __init__(self, v=0):

Deleted: BTrees/branches/pure_python/BTrees/tests/testLength.py
===================================================================
--- BTrees/branches/pure_python/BTrees/tests/testLength.py	2012-11-11 19:00:40 UTC (rev 128229)
+++ BTrees/branches/pure_python/BTrees/tests/testLength.py	2012-11-11 19:20:46 UTC (rev 128230)
@@ -1,53 +0,0 @@
-##############################################################################
-#
-# Copyright (c) 2008 Zope Foundation and Contributors.
-# All Rights Reserved.
-#
-# This software is subject to the provisions of the Zope Public License,
-# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
-# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
-# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
-# FOR A PARTICULAR PURPOSE
-#
-##############################################################################
-"""\
-Test for BTrees.Length module.
-
-"""
-__docformat__ = "reStructuredText"
-
-import BTrees.Length
-import copy
-import sys
-import unittest
-
-
-class LengthTestCase(unittest.TestCase):
-
-    def test_length_overflows_to_long(self):
-        length = BTrees.Length.Length(sys.maxint)
-        self.assertEqual(length(), sys.maxint)
-        self.assert_(type(length()) is int)
-        length.change(+1)
-        self.assertEqual(length(), sys.maxint + 1)
-        self.assert_(type(length()) is long)
-
-    def test_length_underflows_to_long(self):
-        minint = (-sys.maxint) - 1
-        length = BTrees.Length.Length(minint)
-        self.assertEqual(length(), minint)
-        self.assert_(type(length()) is int)
-        length.change(-1)
-        self.assertEqual(length(), minint - 1)
-        self.assert_(type(length()) is long)
-
-    def test_copy(self):
-        # Test for https://bugs.launchpad.net/zodb/+bug/516653
-        length = BTrees.Length.Length()
-        other = copy.copy(length)
-        self.assertEqual(other(), 0)
-
-
-def test_suite():
-    return unittest.makeSuite(LengthTestCase)

Copied: BTrees/branches/pure_python/BTrees/tests/test_Length.py (from rev 128229, BTrees/branches/pure_python/BTrees/tests/testLength.py)
===================================================================
--- BTrees/branches/pure_python/BTrees/tests/test_Length.py	                        (rev 0)
+++ BTrees/branches/pure_python/BTrees/tests/test_Length.py	2012-11-11 19:20:46 UTC (rev 128230)
@@ -0,0 +1,84 @@
+##############################################################################
+#
+# Copyright (c) 2008 Zope Foundation and Contributors.
+# All Rights Reserved.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE
+#
+##############################################################################
+import unittest
+
+
+_marker = object()
+
+class LengthTestCase(unittest.TestCase):
+
+    def _getTargetClass(self):
+        from BTrees.Length import Length
+        return Length
+
+    def _makeOne(self, value=_marker):
+        if value is _marker:
+            return self._getTargetClass()()
+        return self._getTargetClass()(value)
+
+    def test_ctor_default(self):
+        length = self._makeOne()
+        self.assertEqual(length.value, 0)
+
+    def test_ctor_explict(self):
+        length = self._makeOne(42)
+        self.assertEqual(length.value, 42)
+
+    def test___getstate___(self):
+        length = self._makeOne(42)
+        self.assertEqual(length.__getstate__(), 42)
+
+    def test___setstate__(self):
+        length = self._makeOne()
+        length.__setstate__(42)
+        self.assertEqual(length.value, 42)
+
+    def test_set(self):
+        length = self._makeOne()
+        length.set(42)
+        self.assertEqual(length.value, 42)
+
+    def test__p_resolveConflict(self):
+        length = self._makeOne()
+        self.assertEqual(length._p_resolveConflict(5, 7, 9), 11)
+
+    def test_change_overflows_to_long(self):
+        import sys
+        length = self._makeOne(sys.maxint)
+        self.assertEqual(length(), sys.maxint)
+        self.assert_(type(length()) is int)
+        length.change(+1)
+        self.assertEqual(length(), sys.maxint + 1)
+        self.assert_(type(length()) is long)
+
+    def test_change_underflows_to_long(self):
+        import sys
+        minint = (-sys.maxint) - 1
+        length = self._makeOne(minint)
+        self.assertEqual(length(), minint)
+        self.assert_(type(length()) is int)
+        length.change(-1)
+        self.assertEqual(length(), minint - 1)
+        self.assert_(type(length()) is long)
+
+    def test_lp_516653(self):
+        # Test for https://bugs.launchpad.net/zodb/+bug/516653
+        import copy
+        length = self._makeOne()
+        other = copy.copy(length)
+        self.assertEqual(other(), 0)
+
+
+def test_suite():
+    return unittest.makeSuite(LengthTestCase)