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dupeguru/hscommon/tests/selectable_list_test.py
2014-02-01 16:18:00 -05:00

65 lines
2.5 KiB
Python

# Created By: Virgil Dupras
# Created On: 2011-09-06
# Copyright 2014 Hardcoded Software (http://www.hardcoded.net)
#
# This software is licensed under the "BSD" License as described in the "LICENSE" file,
# which should be included with this package. The terms are also available at
# http://www.hardcoded.net/licenses/bsd_license
from ..testutil import eq_, callcounter, CallLogger
from ..gui.selectable_list import SelectableList, GUISelectableList
def test_in():
# When a SelectableList is in a list, doing "in list" with another instance returns false, even
# if they're the same as lists.
sl = SelectableList()
some_list = [sl]
assert SelectableList() not in some_list
def test_selection_range():
# selection is correctly adjusted on deletion
sl = SelectableList(['foo', 'bar', 'baz'])
sl.selected_index = 3
eq_(sl.selected_index, 2)
del sl[2]
eq_(sl.selected_index, 1)
def test_update_selection_called():
# _update_selection_is called after a change in selection. However, we only do so on select()
# calls. I follow the old behavior of the Table class. At the moment, I don't quite remember
# why there was a specific select() method for triggering _update_selection(), but I think I
# remember there was a reason, so I keep it that way.
sl = SelectableList(['foo', 'bar'])
sl._update_selection = callcounter()
sl.select(1)
eq_(sl._update_selection.callcount, 1)
sl.selected_index = 0
eq_(sl._update_selection.callcount, 1) # no call
def test_guicalls():
# A GUISelectableList appropriately calls its view.
sl = GUISelectableList(['foo', 'bar'])
sl.view = CallLogger()
sl.view.check_gui_calls(['refresh']) # Upon setting the view, we get a call to refresh()
sl[1] = 'baz'
sl.view.check_gui_calls(['refresh'])
sl.append('foo')
sl.view.check_gui_calls(['refresh'])
del sl[2]
sl.view.check_gui_calls(['refresh'])
sl.remove('baz')
sl.view.check_gui_calls(['refresh'])
sl.insert(0, 'foo')
sl.view.check_gui_calls(['refresh'])
sl.select(1)
sl.view.check_gui_calls(['update_selection'])
# XXX We have to give up on this for now because of a breakage it causes in the tables.
# sl.select(1) # don't update when selection stays the same
# gui.check_gui_calls([])
def test_search_by_prefix():
sl = SelectableList(['foo', 'bAr', 'baZ'])
eq_(sl.search_by_prefix('b'), 1)
eq_(sl.search_by_prefix('BA'), 1)
eq_(sl.search_by_prefix('BAZ'), 2)
eq_(sl.search_by_prefix('BAZZ'), -1)