gazprea-fuzzer-python/ast_parser/test/test_parse_code.py

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2023-11-17 16:57:53 -07:00
import unittest
from ast_parser.ast_parser import AstParser
class TestParseCode(unittest.TestCase):
def test_parse_code(self):
input = """
procedure main() returns integer {
integer a = 1;
a * 42 -> std_output;
return 0;
}
"""
parser = AstParser(input)
parser.parse()
self.assertIsNotNone(parser.xml)
self.assertEqual(parser.xml.getroot().tag, "block")
def test_unparse_variable_regular(self):
input = '<variable mut="var" type="int" name="a" ref_name="_lsiyjvtbvnpmlml"/>'
parser = AstParser(input, True)
parser.input = ""
parser._unparse_node(parser.xml)
self.assertIsNotNone(parser.input)
self.assertEqual(" a ", parser.input)
def test_unparse_variable_declaration(self):
input = '<variable mut="var" type="int" name="a" ref_name="_lsiyjvtbvnpmlml"/>'
parser = AstParser(input, True)
parser.input = ""
parser._variable_unparse(parser.xml, True)
self.assertIsNotNone(parser.input)
self.assertEqual("var integer a ", parser.input)
def test_unparse_rhs_single(self):
input = '<rhs><literal type="int" value="1" /></rhs>'
parser = AstParser(input, True)
parser.input = ""
parser._unparse_node(parser.xml)
self.assertIsNotNone(parser.input)
self.assertEqual(" 1 ", parser.input)
def test_unparse_declaration(self):
input = '<declaration><variable mut="var" type="int" name="a" ref_name="_lsiyjvtbvnpmlml"/><rhs><literal type="int" value="1" /></rhs></declaration>'
parser = AstParser(input, True)
parser.input = ""
parser._unparse_node(parser.xml)
self.assertIsNotNone(parser.input)
self.assertEqual("var integer a = 1 ;\n", parser.input)
def test_unparse_stream(self):
input = ' <stream type="std_output"> <operator op="*" type="unset"> <lhs> <variable mut="var" type="int" name="a" ref_name="_lsiyjvtbvnpmlml"/> </lhs> <rhs> <literal type="int" value="42" /> </rhs> </operator></stream>'
parser = AstParser(input, True)
parser.input = ""
parser._unparse_node(parser.xml)
self.assertIsNotNone(parser.input)
self.assertEqual(" a * 42 -> std_output;\n", parser.input)
def test_unparse_block(self):
input = '<block> <declaration> <variable mut="var" type="int" name="a" ref_name="_lsiyjvtbvnpmlml"/> <rhs> <literal type="int" value="1" /> </rhs> </declaration> <stream type="std_output"> <operator op="*" type="unset"> <lhs> <variable mut="var" type="int" name="a" ref_name="_lsiyjvtbvnpmlml"/> </lhs> <rhs> <literal type="int" value="42" /> </rhs> </operator> </stream> <return> <literal type="int" value="0" /> </return> </block>'
parser = AstParser(input, True)
parser.input = ""
parser._unparse_node(parser.xml)
self.assertIsNotNone(parser.input)
self.assertEqual("{\n var integer a = 1 ;\n a * 42 -> std_output;\n return 0 ;\n}\n\n", parser.input)
def test_unparse_operation_single(self):
input = '<operator op="*" type="unset"> <lhs> <variable mut="var" type="int" name="a" ref_name="_lsiyjvtbvnpmlml"/> </lhs> <rhs> <literal type="int" value="42" /> </rhs> </operator>'
parser = AstParser(input, True)
parser.input = ""
parser._unparse_node(parser.xml)
self.assertIsNotNone(parser.input)
self.assertEqual(" a * 42 ", parser.input)
def test_unparse_return(self):
input = '<return> <literal type="int" value="0" /> </return>'
parser = AstParser(input, True)
parser.input = ""
parser._unparse_node(parser.xml)
self.assertIsNotNone(parser.input)
self.assertEqual("return 0 ;\n", parser.input)
def test_unparse_routine(self):
input = '<procedure name="main" ref_name="_jemrvvseyj" return_type="int" args="()" ><block><declaration><variable mut="var" type="int" name="a" ref_name="_lsiyjvtbvnpmlml"/><rhs><literal type="int" value="1" /></rhs></declaration><stream type="std_output"><operator op="*" type="unset"><lhs><variable mut="var" type="int" name="a" ref_name="_lsiyjvtbvnpmlml"/></lhs><rhs><literal type="int" value="42" /></rhs></operator></stream><return><literal type="int" value="0" /></return></block></procedure>'
parser = AstParser(input, True)
parser.input = ""
parser._unparse_node(parser.xml)
self.assertIsNotNone(parser.input)
i = ' ' * parser.indentation
self.assertEqual("procedure main() returns integer {\n var integer a = 1 ;\n a * 42 -> std_output;\n return 0 ;\n}\n\n", parser.input)
def test_unparse_code(self):
with open("test.xml", "r") as input:
parser = AstParser(input.read(), True)
parser.unparse()
self.assertIsNotNone(parser.input)
with open("input.in", "r") as input:
i = input.read()
self.assertEqual(i, parser.input)
if __name__ == "__main__":
unittest.main()