def test_numbers(self):
takens=[Token(TokenType.NUMBER, 51.2)]
node= Parser(tokens).parse()
self.assertEqual(node, NumberNode(51.2))
self.assertEqual(node, AddNode(NumberNode(27),NumberNode(14)))
takens= [
Token(TokenType.NUMBER, 27),
Token(TokenType.MINUS),
Token(TokenType.NUMBER, 14),
]
node = Parser(tokens).parse()
self.assertEqual(node, SubtractNode(NumberNode(27),NumberNode(14)))
takens= [
Token(TokenType.NUMBER, 27),
Token(TokenType.MULTIPLY),
Token(TokenType.NUMBER, 14),
]
node = Parser(tokens).parse()
self.assertEqual(node, MultiplyNode(NumberNode(27),NumberNode(14)))
takens= [
Token(TokenType.NUMBER, 27),
Token(TokenType.DIVIDE),
Token(TokenType.NUMBER, 14),
]
node = Parser(tokens).parse()
self.assertEqual(node, divideNode(NumberNode(27),NumberNode(14)))
def test_full_expression(self):
tokens =[
Token(TokenType.NUMBER, 27),
Token(TokenType.PLUS),
Token(TokenType.LPAREN),