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langchain/tests/unit_tests/output_parsers/test_enum_parser.py

32 lines
706 B
Python

from enum import Enum
from langchain.output_parsers.enum import EnumOutputParser
from langchain.schema import OutputParserException
class Colors(Enum):
RED = "red"
GREEN = "green"
BLUE = "blue"
def test_enum_output_parser_parse() -> None:
parser = EnumOutputParser(enum=Colors)
# Test valid inputs
result = parser.parse("red")
assert result == Colors.RED
result = parser.parse("green")
assert result == Colors.GREEN
result = parser.parse("blue")
assert result == Colors.BLUE
# Test invalid input
try:
parser.parse("INVALID")
assert False, "Should have raised OutputParserException"
except OutputParserException:
pass