def test_save(self):
""" save """
p = self.preferences
# Get the application scope.
application = p.node('application/')
tmp = join(self.tmpdir, 'test.ini')
application.filename = tmp
# Set a value.
p.set('acme.ui.bgcolor', 'red')
# Save all scopes.
p.save()
# Make sure a file was written.
self.assertEqual(True, os.path.exists(tmp))
# Load the 'ini' file into a new preferences node and make sure the
# preference is in there.
p = Preferences()
p.load(tmp)
self.assertEqual('red', p.get('acme.ui.bgcolor'))
# Cleanup.
os.remove(tmp)
return
def test_save(self):
""" save """
p = self.preferences
# Get the application scope.
application = p.node('application/')
tmp = join(self.tmpdir, 'test.ini')
application.filename = tmp
# Set a value.
p.set('acme.ui.bgcolor', 'red')
# Save all scopes.
p.save()
# Make sure a file was written.
self.assertEqual(True, os.path.exists(tmp))
# Load the 'ini' file into a new preferences node and make sure the
# preference is in there.
p = Preferences()
p.load(tmp)
self.assertEqual('red', p.get('acme.ui.bgcolor'))
# Cleanup.
os.remove(tmp)
return
def test_save(self):
""" save """
p = self.preferences
# Load the preferences from an 'ini' file.
p.load(self.example)
# Make sure it was all loaded!
self.assertEqual('blue', p.get('acme.ui.bgcolor'))
self.assertEqual('50', p.get('acme.ui.width'))
self.assertEqual('1.0', p.get('acme.ui.ratio'))
self.assertEqual('True', p.get('acme.ui.visible'))
self.assertEqual('acme ui', p.get('acme.ui.description'))
self.assertEqual('[1, 2, 3, 4]', p.get('acme.ui.offsets'))
self.assertEqual("['joe', 'fred', 'jane']", p.get('acme.ui.names'))
self.assertEqual('splash', p.get('acme.ui.splash_screen.image'))
self.assertEqual('red', p.get('acme.ui.splash_screen.fgcolor'))
# Make a change.
p.set('acme.ui.bgcolor', 'yellow')
# Save it to another file.
tmp = join(self.tmpdir, 'tmp.ini')
p.save(tmp)
try:
# Load it into a new node.
p = Preferences()
p.load(tmp)
# Make sure it was all loaded!
self.assertEqual('yellow', p.get('acme.ui.bgcolor'))
self.assertEqual('50', p.get('acme.ui.width'))
self.assertEqual('1.0', p.get('acme.ui.ratio'))
self.assertEqual('True', p.get('acme.ui.visible'))
self.assertEqual('acme ui', p.get('acme.ui.description'))
self.assertEqual('[1, 2, 3, 4]', p.get('acme.ui.offsets'))
self.assertEqual("['joe', 'fred', 'jane']", p.get('acme.ui.names'))
self.assertEqual('splash', p.get('acme.ui.splash_screen.image'))
self.assertEqual('red', p.get('acme.ui.splash_screen.fgcolor'))
finally:
# Clean up!
os.remove(tmp)
return
def test_flush(self):
""" flush """
p = self.preferences
# A temporary .ini file for this test.
tmp = join(self.tmpdir, 'tmp.ini')
# This could be set in the constructor of course, its just here we
# want to use the instance declared in 'setUp'.
p.filename = tmp
try:
# Load the preferences from an 'ini' file.
p.load(self.example)
# Flush it.
p.flush()
# Load it into a new node.
p = Preferences()
p.load(tmp)
# Make sure it was all loaded!
self.assertEqual('blue', p.get('acme.ui.bgcolor'))
self.assertEqual('50', p.get('acme.ui.width'))
self.assertEqual('1.0', p.get('acme.ui.ratio'))
self.assertEqual('True', p.get('acme.ui.visible'))
self.assertEqual('acme ui', p.get('acme.ui.description'))
self.assertEqual('[1, 2, 3, 4]', p.get('acme.ui.offsets'))
self.assertEqual("['joe', 'fred', 'jane']", p.get('acme.ui.names'))
self.assertEqual('splash', p.get('acme.ui.splash_screen.image'))
self.assertEqual('red', p.get('acme.ui.splash_screen.fgcolor'))
finally:
# Clean up!
os.remove(tmp)
return
def test_preferences_node_changed(self):
""" preferences node changed """
p = self.preferences
p.load(self.example)
class AcmeUIPreferencesHelper(PreferencesHelper):
""" A helper! """
# The path to the preferences node that contains our preferences.
preferences_path = 'acme.ui'
# The traits that we want to initialize from preferences.
bgcolor = Str
width = Int
ratio = Float
visible = Bool
description = Unicode
offsets = List(Int)
names = List(Str)
helper = AcmeUIPreferencesHelper()
# We only listen to some of the traits so the testing is easier.
helper.on_trait_change(listener, ['bgcolor', 'width'])
# Create a new preference node.
p1 = Preferences()
p1.load(self.example)
p1.set('acme.ui.bgcolor', 'red')
p1.set('acme.ui.width', 40)
# Set the new preferences
helper.preferences = p1
# Test event handling.
self.assertEqual(helper, listener.obj)
self.assertEqual('width', listener.trait_name)
self.assertEqual(50, listener.old)
self.assertEqual(40, listener.new)
# Test re-initialization.
self.assertEqual(helper.bgcolor, 'red')
self.assertEqual(helper.width, 40)
# Test event handling.
p1.set('acme.ui.bgcolor', 'black')
self.assertEqual(helper, listener.obj)
self.assertEqual('bgcolor', listener.trait_name)
self.assertEqual('red', listener.old)
self.assertEqual('black', listener.new)
# This should not trigger any new changes since we are setting values
# on the old preferences node.
p.set('acme.ui.bgcolor', 'white')
self.assertEqual(helper, listener.obj)
self.assertEqual('bgcolor', listener.trait_name)
self.assertEqual('red', listener.old)
self.assertEqual('black', listener.new)
return
def test_preferences_node_changed(self):
""" preferences node changed """
p = self.preferences
p.load(self.example)
class AcmeUIPreferencesHelper(PreferencesHelper):
""" A helper! """
# The path to the preferences node that contains our preferences.
preferences_path = 'acme.ui'
# The traits that we want to initialize from preferences.
bgcolor = Str
width = Int
ratio = Float
visible = Bool
description = Unicode
offsets = List(Int)
names = List(Str)
helper = AcmeUIPreferencesHelper()
# We only listen to some of the traits so the testing is easier.
helper.on_trait_change(listener, ['bgcolor', 'width'])
# Create a new preference node.
p1 = Preferences()
p1.load(self.example)
p1.set('acme.ui.bgcolor', 'red')
p1.set('acme.ui.width', 40)
# Set the new preferences
helper.preferences = p1
# Test event handling.
self.assertEqual(helper, listener.obj)
self.assertEqual('width', listener.trait_name)
self.assertEqual(50, listener.old)
self.assertEqual(40, listener.new)
# Test re-initialization.
self.assertEqual(helper.bgcolor, 'red')
self.assertEqual(helper.width, 40)
# Test event handling.
p1.set('acme.ui.bgcolor', 'black')
self.assertEqual(helper, listener.obj)
self.assertEqual('bgcolor', listener.trait_name)
self.assertEqual('red', listener.old)
self.assertEqual('black', listener.new)
# This should not trigger any new changes since we are setting values
# on the old preferences node.
p.set('acme.ui.bgcolor', 'white')
self.assertEqual(helper, listener.obj)
self.assertEqual('bgcolor', listener.trait_name)
self.assertEqual('red', listener.old)
self.assertEqual('black', listener.new)
return