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#------------------------------------------------------------------------------
# Copyright (c) 2005, Enthought, Inc.
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in enthought/LICENSE.txt and may be redistributed only
# under the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
# Thanks for using Enthought open source!
#
# Author: Enthought, Inc.
# Description: <Enthought naming package component>
#------------------------------------------------------------------------------
""" Tests the default directory context. """
# Enthought library imports.
from enthought.naming.api import *
# Local imports.
from context_test_case import ContextTestCase
class DirContextTestCase(ContextTestCase):
""" Tests the default directory context. """
###########################################################################
# 'ContextTestCase' interface.
###########################################################################
def create_context(self):
""" Creates the context that we are testing. """
return DirContext()
###########################################################################
# Tests.
###########################################################################
def test_get_attributes(self):
""" get attributes """
# Convenience.
context = self.context
sub = self.context.lookup('sub')
self.assert_(isinstance(sub, DirContext))
#### Generic name resolution tests ####
# Non-existent name.
self.failUnlessRaises(NameNotFoundError, context.get_attributes, 'x')
# Attempt to resolve via a non-existent context.
self.failUnlessRaises(NameNotFoundError, context.get_attributes, 'x/a')
# Attempt to resolve via an existing name that is not a context.
context.bind('sub/a', 1)
self.assertEqual(len(sub.list_bindings('')), 1)
self.failUnlessRaises(NotContextError,context.get_attributes,'sub/a/x')
#### Operation specific tests ####
# Attributes of the root context.
attributes = self.context.get_attributes('')
self.assertEqual(len(attributes), 0)
# Attributes of a sub-context.
attributes = context.get_attributes('sub')
self.assertEqual(len(attributes), 0)
return
def test_set_get_attributes(self):
""" get and set attributes """
defaults = {'colour' : 'blue'}
# Convenience.
context = self.context
sub = self.context.lookup('sub')
self.assert_(isinstance(sub, DirContext))
#### Generic name resolution tests ####
# Non-existent name.
self.failUnlessRaises(
NameNotFoundError, context.set_attributes, 'x', defaults
)
# Attempt to resolve via a non-existent context.
self.failUnlessRaises(
NameNotFoundError, context.set_attributes, 'x/a', defaults
)
# Attempt to resolve via an existing name that is not a context.
context.bind('sub/a', 1)
self.assertEqual(len(sub.list_bindings('')), 1)
self.failUnlessRaises(
NotContextError, context.set_attributes, 'sub/a/xx', defaults
)
#### Operation specific tests ####
# Attributes of the root context.
attributes = self.context.get_attributes('')
self.assertEqual(len(attributes), 0)
# Set the attributes.
context.set_attributes('', defaults)
attributes = context.get_attributes('')
self.assertEqual(len(attributes), 1)
self.assertEqual(attributes['colour'], 'blue')
# Attributes of a sub-context.
attributes = context.get_attributes('sub')
self.assertEqual(len(attributes), 0)
# Set the attributes.
context.set_attributes('sub', defaults)
attributes = context.get_attributes('sub')
self.assertEqual(len(attributes), 1)
self.assertEqual(attributes['colour'], 'blue')
return
#### EOF ######################################################################
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