def _expand(xs):
def finder(p):
files = find.list(p.dir, p.pattern)
return map(p.extract_dep, files)
candidates = reduce(lambda x, y: x + y, map(finder, xs))
return arrays.unique(candidates)
def test(self):
self.assertEqual([], arrays.unique([]))
self.assertEqual([1, 2, 3, 4], arrays.unique([1, 2, 3, 4]))
self.assertEqual([1, 2, 3, 4, 5], arrays.unique([1, 2, 1, 2, 3, 3, 4, 1, 2, 3, 5]))
