def test_if_possible_keep_selected_candidate_when_reduced(self):
cands = Candidates(('abc', 'cde', 'efg'))
cands.current_index = 1
self.assert_focus(cands, 1, 'cde')
cands.reduce(r'e')
self.assert_focus(cands, 0, 'cde')
cands.reduce(r'f')
self.assert_focus(cands, 0, 'efg')
def test_equality(self):
a = Candidates(('foo', 'bar', 'baz'))
b = Candidates(('bar', 'baz', 'foo'))
self.assertEqual(a, b)
a.reduce('^ba')
self.assertEqual(a, b)
self.assertNotEqual(tuple(a), tuple(b))
def test_reduce(self):
cands = Candidates(('bar', 'baz', 'foo'))
self.assert_focus(cands, 0, 'bar')
cands.reduce(r'^b')
self.assertEqual(tuple(cands), ('bar', 'baz'))
self.assert_focus(cands, 0, 'bar')
cands.next()
self.assert_focus(cands, 1, 'baz')
cands.next()
self.assert_focus(cands, 0, 'bar')
def test_current_and_current_index_when_reduced(self):
self.assert_focus(Candidates(), None, None)
cands = Candidates(('bar', 'baz', 'foo'))
cands.reduce(r'^f')
cands.current_index = -1
self.assert_focus(cands, 0, 'foo')
cands.current_index = 0
self.assert_focus(cands, 0, 'foo')
cands.current_index = 1
self.assert_focus(cands, 0, 'foo')
def test_no_candidates(self):
self.assertEqual(Candidates(()).current_index, None)
cands = Candidates(('a', 'b', 'c'))
cands.reduce('x')
self.assert_focus(cands, None, None)
