def test_nest_by_oper_with_arrays(self):
"""Test and expression with arrays (combined expressions)."""
nested_expr = ConditionalSimplifier.nest_by_oper(
[['a', '&', 'b'], '&', ['b', '&', 'c']], '&')
self.assertIsInstance(nested_expr, list)
self.assertEqual([['a', '&', 'b'], '&', ['b', '&', 'c']],
nested_expr)
def test_nest_by_oper_not_matching_operator(self):
"""Test when the operation is simply not found. Same input returned."""
input_expr = ['a', 'xor', 'b', 'not', 'c']
nested_expr = ConditionalSimplifier.nest_by_oper(input_expr, 'mod')
self.assertIsInstance(nested_expr, list)
self.assertEqual(input_expr, nested_expr)
def test_nest_by_oper_simple(self):
"""Test the case where we have a simple expression."""
nested_expr = ConditionalSimplifier.nest_by_oper(
['a', '||', 'b', '||', 'c'], '||')
self.assertIsInstance(nested_expr, list)
self.assertEqual([['a', '||', 'b'], '||', 'c'], nested_expr)
def test_nest_by_oper_not_matching_operator(self):
"""Test when the operation is simply not found. Same input returned."""
input_expr = ['a', 'xor', 'b', 'not', 'c']
nested_expr = ConditionalSimplifier.nest_by_oper(input_expr, 'mod')
self.assertIsInstance(nested_expr, list)
self.assertEqual(input_expr, nested_expr)
def test_nest_by_oper_simple(self):
"""Test the case where we have a simple expression."""
nested_expr = ConditionalSimplifier.nest_by_oper(['a', '||', 'b',
'||', 'c'], '||')
self.assertIsInstance(nested_expr, list)
self.assertEqual([['a', '||', 'b'], '||', 'c'], nested_expr)