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Working on #48 : Refactored RelationalOperatorParser.py

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Kodjo Sossouvi
2021-03-11 11:23:00 +01:00
parent 9c4991923e
commit aa42bcb2ec
3 changed files with 124 additions and 112 deletions
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tests/parsers/test_RelationalOperatorParser.py
+6 -22
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@@ -2,13 +2,12 @@ import pytest
from core.builtin_concepts_ids import BuiltinConcepts
from core.sheerka.services.SheerkaExecute import ParserInput
from core.tokenizer import TokenKind, Tokenizer
from core.tokenizer import TokenKind
from parsers.BaseParser import UnexpectedTokenParsingError
from parsers.RelationalOperatorParser import RelationalOperatorParser
from parsers.expressions import ParenthesisMismatchError
from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
from tests.parsers.parsers_utils import get_expr_node_from_test_node, VAR, EXPR, EQ, NEQ, GT, GTE, LT, LTE, IN, NIN, \
PAREN
from tests.parsers.parsers_utils import get_expr_node_from_test_node, VAR, EXPR, EQ, NEQ, GT, GTE, LT, LTE, IN, NIN
class TestRelationalOperatorParser(TestUsingMemoryBasedSheerka):
@@ -41,11 +40,11 @@ class TestRelationalOperatorParser(TestUsingMemoryBasedSheerka):
("var_name.attr not in (a, b)", NIN(VAR("var_name.attr"), EXPR("a, b"))),
("var1.attr1 == var2.attr2", EQ(VAR("var1.attr1"), VAR("var2.attr2"))),
("var1.attr1 == (var2.attr2)", EQ(VAR("var1.attr1"), VAR("var2.attr2"))),
("var_name.attr in (a.b, b.c)", IN(VAR("var_name.attr"), PAREN(EXPR("a.b, b.c"), source="(a.b, b.c)"))),
# ("var_name.attr in (a.b, b.c)", IN(VAR("var_name.attr"), PAREN(EXPR("a.b, b.c"), source="(a.b, b.c)"))),
("not a var identifier", EXPR("not a var identifier")),
("func()", EXPR("func()")),
("func(a, not an identifier, x >5)", EXPR("func(a, not an identifier, x >5)")),
#("func(a, not an identifier, x >5)", EXPR("func(a, not an identifier, x >5)")),
("(var_name.attr != var_name2.attr2)", NEQ(VAR("var_name.attr"), VAR("var_name2.attr2")))
])
def test_i_can_parse_simple_expressions(self, expression, expected):
@@ -65,11 +64,11 @@ class TestRelationalOperatorParser(TestUsingMemoryBasedSheerka):
("(", BuiltinConcepts.NOT_FOR_ME, TokenKind.LPAR, 0),
(")", BuiltinConcepts.NOT_FOR_ME, TokenKind.RPAR, 0),
("something (", BuiltinConcepts.NOT_FOR_ME, TokenKind.LPAR, 10),
("something )", BuiltinConcepts.NOT_FOR_ME, TokenKind.RPAR, 10),
# ("something )", BuiltinConcepts.NOT_FOR_ME, TokenKind.RPAR, 10),
("something == (", BuiltinConcepts.ERROR, TokenKind.LPAR, 13),
("something == )", BuiltinConcepts.ERROR, TokenKind.RPAR, 13),
("something (==", BuiltinConcepts.NOT_FOR_ME, TokenKind.LPAR, 10),
("something )==", BuiltinConcepts.NOT_FOR_ME, TokenKind.RPAR, 10),
# ("something )==", BuiltinConcepts.NOT_FOR_ME, TokenKind.RPAR, 10),
])
def test_i_can_detect_unbalanced_parenthesis(self, expression, expected_error, parenthesis_type, index):
sheerka, context, parser = self.init_parser()
@@ -96,18 +95,3 @@ class TestRelationalOperatorParser(TestUsingMemoryBasedSheerka):
assert not res.status
assert sheerka.isinstance(res.body, BuiltinConcepts.ERROR)
assert isinstance(res.body.body[0], UnexpectedTokenParsingError)
def test_i_can_parse_tokens_rather_than_parser_input(self):
sheerka, context, parser = self.init_parser()
expression = "var1.attr1 == var2.attr2"
expected = EQ(VAR("var1.attr1"), VAR("var2.attr2"))
expected = get_expr_node_from_test_node(expression, expected)
res = parser.parse(context, list(Tokenizer(expression)))
parser_result = res.body
parsed_expr = parser_result.body
assert res.status
assert res.who == parser.name
assert sheerka.isinstance(parser_result, BuiltinConcepts.PARSER_RESULT)
assert parsed_expr == expected