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_sync_anytrait_items_not_event(self):
""" Test sychronizing trait with name *_items which is a normal trait
rather than an event trait for listening to list/dict/set mutation.
"""
class MyPreferencesHelper(PreferencesHelper):
preferences_path = Str('my_section')
names_items = Str()
helper = MyPreferencesHelper(preferences=self.preferences)
helper.names_items = "Hello"
self.preferences.save(self.tmpfile)
new_preferences = Preferences()
new_preferences.load(self.tmpfile)
self.assertEqual(
sorted(new_preferences.keys("my_section")),
["names_items"]
)
self.assertEqual(
new_preferences.get("my_section.names_items"),
str(helper.names_items),
)
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.assertTrue(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)
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_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_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)
def test_real_unicode_values(self):
""" Test with real life unicode values """
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("blue")
width = Int(50)
ratio = Float(1.0)
visible = Bool(True)
description = Str("")
offsets = List(Int, [1, 2, 3, 4])
names = List(Str, ["joe", "fred", "jane"])
helper = AcmeUIPreferencesHelper()
first_unicode_str = "U\xdc\xf2ser"
helper.description = first_unicode_str
self.assertEqual(first_unicode_str, helper.description)
second_unicode_str = "caf\xe9"
helper.description = second_unicode_str
self.assertEqual(second_unicode_str, helper.description)
self.assertEqual(second_unicode_str, p.get("acme.ui.description"))
# Save it to another file.
tmp = os.path.join(self.tmpdir, "tmp.ini")
p.save(tmp)
# Load it into a new node.
p = Preferences()
p.load(tmp)
self.assertEqual(second_unicode_str, p.get("acme.ui.description"))
self.assertEqual("True", p.get("acme.ui.visible"))
self.assertTrue(helper.visible)
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_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_mutate_list_of_values(self):
""" Mutated list should be saved and _items events not to be
saved in the preferences.
"""
# Regression test for enthought/apptools#129
class MyPreferencesHelper(PreferencesHelper):
preferences_path = Str('my_section')
list_of_str = List(Str)
helper = MyPreferencesHelper(list_of_str=["1"])
# Now modify the list to fire _items event
helper.list_of_str.append("2")
self.preferences.save(self.tmpfile)
new_preferences = Preferences()
new_preferences.load(self.tmpfile)
self.assertEqual(
new_preferences.get("my_section.list_of_str"), str(["1", "2"])
)
self.assertEqual(new_preferences.keys("my_section"), ["list_of_str"])
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(width_listener, ['width'])
helper.on_trait_change(bgcolor_listener, ['bgcolor'])
# 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, width_listener.obj)
self.assertEqual('width', width_listener.trait_name)
self.assertEqual(50, width_listener.old)
self.assertEqual(40, width_listener.new)
self.assertEqual(helper, bgcolor_listener.obj)
self.assertEqual('bgcolor', bgcolor_listener.trait_name)
self.assertEqual('blue', bgcolor_listener.old)
self.assertEqual('red', bgcolor_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, bgcolor_listener.obj)
self.assertEqual('bgcolor', bgcolor_listener.trait_name)
self.assertEqual('red', bgcolor_listener.old)
self.assertEqual('black', bgcolor_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, bgcolor_listener.obj)
self.assertEqual('bgcolor', bgcolor_listener.trait_name)
self.assertEqual('red', bgcolor_listener.old)
self.assertEqual('black', bgcolor_listener.new)
return
