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_explicit_preferences(self):
""" explicit preferences """
p = self.preferences
p.load(self.example)
class AcmeUI(HasTraits):
""" The Acme UI class! """
# The traits that we want to initialize from preferences.
bgcolor = Str
width = Int
ratio = Float
visible = Bool
acme_ui = AcmeUI()
acme_ui.on_trait_change(listener)
# Create an empty preferences node and use that in some of the
# bindings!
preferences = Preferences()
# Make some bindings.
bind_preference(acme_ui, 'bgcolor', 'acme.ui.bgcolor', preferences)
bind_preference(acme_ui, 'width', 'acme.ui.width')
bind_preference(acme_ui, 'ratio', 'acme.ui.ratio', preferences)
bind_preference(acme_ui, 'visible', 'acme.ui.visible')
# Make sure the object was initialized properly.
self.assertEqual('', acme_ui.bgcolor)
self.assertEqual(50, acme_ui.width)
self.assertEqual(0.0, acme_ui.ratio)
self.assertEqual(True, acme_ui.visible)
return
def setUp(self):
""" Prepares the test fixture before each test method is called. """
self.preferences = set_default_preferences(Preferences())
# The filename of the example preferences file.
self.example = resource_filename(PKG, 'example.ini')
return
def setUp(self):
""" Prepares the test fixture before each test method is called. """
self.preferences = Preferences()
# The filename of the example preferences file.
self.example = resource_filename(PKG, 'example.ini')
# A temporary directory that can safely be written to.
self.tmpdir = tempfile.mkdtemp()
def setUp(self):
"""Called before each test is run"""
self.preferences = set_default_preferences(Preferences())
# The filename of the example preferences file.
pref_file = resource_filename('enthought.mayavi.tests',
'test_preference.ini')
self.preferences.load(pref_file)
self.pref = TestPreference()
self.mirror = PreferencesMirror()
self.mirror.preferences = self.pref
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
# IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
# PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# RADPY IS NOT CERTIFIED AS A MEDICAL DEVICE. IT IS INTENDED ONLY FOR RESEARCH
# PURPOSES. ANY OTHER USE IS ENTIRELY AT THE DISCRETION AND RISK OF THE USER.
################################################################################
from enthought.preferences.api import PreferencesHelper, Preferences
from enthought.traits.api import List
from enthought.etsconfig.api import ETSConfig
from os.path import join
filename = join(ETSConfig.get_application_data(create=False), 'radpy',
'preferences.ini')
PreferencesHelper.preferences = Preferences(filename=filename)
class BeamAnalysisPreferencesHelper(PreferencesHelper):
""" A preferences helper for the BeamAnalysis plugin. """
preferences_path = 'radpy.plugins.BeamAnalysis'
match_traits = List
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
def test_load_and_save(self):
""" load and save """
p = self.preferences
p.load(self.example)
class AcmeUI(HasTraits):
""" The Acme UI class! """
# The traits that we want to initialize from preferences.
bgcolor = Str('red')
width = Int(60)
ratio = Float(2.0)
visible = Bool(False)
acme_ui = AcmeUI()
# Make some bindings.
bind_preference(acme_ui, 'bgcolor', 'acme.ui.bgcolor')
bind_preference(acme_ui, 'width', 'acme.ui.width')
bind_preference(acme_ui, 'ratio', 'acme.ui.ratio')
bind_preference(acme_ui, 'visible', 'acme.ui.visible')
# Make sure the helper was initialized properly (with the values in
# the loaded .ini file *not* the trait defaults!).
self.assertEqual('blue', acme_ui.bgcolor)
self.assertEqual(50, acme_ui.width)
self.assertEqual(1.0, acme_ui.ratio)
self.assertEqual(True, acme_ui.visible)
# Make a change to one of the preference values.
p.set('acme.ui.bgcolor', 'yellow')
self.assertEqual('yellow', acme_ui.bgcolor)
self.assertEqual('yellow', p.get('acme.ui.bgcolor'))
# Save the preferences to a different file.
tmpdir = tempfile.mkdtemp()
tmp = join(tmpdir, 'tmp.ini')
p.save(tmp)
# Load the preferences again from that file.
p = set_default_preferences(Preferences())
p.load(tmp)
acme_ui = AcmeUI()
# Make some bindings.
bind_preference(acme_ui, 'bgcolor', 'acme.ui.bgcolor')
bind_preference(acme_ui, 'width', 'acme.ui.width')
bind_preference(acme_ui, 'ratio', 'acme.ui.ratio')
bind_preference(acme_ui, 'visible', 'acme.ui.visible')
# Make sure the helper was initialized properly (with the values in
# the .ini file *not* the trait defaults!).
self.assertEqual('yellow', acme_ui.bgcolor)
self.assertEqual(50, acme_ui.width)
self.assertEqual(1.0, acme_ui.ratio)
self.assertEqual(True, acme_ui.visible)
# Clean up!
os.remove(tmp)
os.removedirs(tmpdir)
return