def test_expression_functions():
line = "add()"
expression, line = read_expression(line)
assert expression is not None
assert isinstance(expression.data, Name)
assert len(expression.children) == 0
print "expression tested: {0}".format(expression)
assert line == '', "line is: {0}".format(line)
line = "add(one, two)"
expression, line = read_expression(line)
assert expression is not None
assert isinstance(expression.data, Name)
assert len(expression.children) == 2
print "expression tested: {0}".format(expression)
assert line == '', "line is: {0}".format(line)
line = "add(add(one))"
expression, line = read_expression(line)
assert expression is not None
assert isinstance(expression.data, Name)
assert len(expression.children) == 1
#pdb.set_trace()
print "expression tested: {0}".format(expression)
assert line == '', "line is: {0}".format(line)
line = "add(add(one), two)"
expression, line = read_expression(line)
assert expression is not None
assert isinstance(expression.data, Name)
assert len(expression.children) == 2
print "expression tested: {0}".format(expression)
assert line == '', "line is: {0}".format(line)
def test_expression_mix():
line = "5"
expression, line = read_expression(line)
assert expression is not None
assert isinstance(expression.data, Constant)
assert len(expression.children) == 0
print "expression tested: {0}".format(expression)
assert line == '', "line is: {0}".format(line)
line = "add(add(one), two+three)"
expression, line = read_expression(line)
assert expression is not None
assert line == '', "line is: {0}".format(line)
print "expression tested: {0}".format(expression)
def expression_test2():
line = "add(add(one))"
expression, line = read_expression(line)
assert expression is not None
#pdb.set_trace()
print "expression tested: {0}".format(expression)
assert line == '', "line is: {0}".format(line)
def test_expression_operations():
line = "5 + 6"
expression, line = read_expression(line)
assert expression is not None
assert isinstance(expression.data, Operator)
assert len(expression.children) == 2
print "expression tested: {0}".format(expression)
assert line == '', "line is: {0}".format(line)
line = "5 + 7 - 8"
expression, line = read_expression(line)
assert expression is not None
assert isinstance(expression.data, Operator)
assert len(expression.children) == 2
print "expression tested: {0}".format(expression)
assert line == '', "line is: {0}".format(line)
def test_expression_parenthesis():
line = "(5 + 6)"
expression, line = read_expression(line)
assert expression is not None
assert isinstance(expression.data, Operator)
assert len(expression.children) == 2
print "expression tested: {0}".format(expression)
line = "5 + (6 + 7)"
expression, line = read_expression(line)
assert expression is not None
assert isinstance(expression.data, Operator)
assert len(expression.children) == 2
print "expression tested: {0}".format(expression)
line = "5 + add(6 + (7+ bob))"
expression, line = read_expression(line)
assert expression is not None
assert isinstance(expression.data, Operator)
assert len(expression.children) == 2
print "expression tested: {0}".format(expression)
