mirror of
https://github.com/hwchase17/langchain
synced 2024-11-18 09:25:54 +00:00
27 lines
821 B
Python
27 lines
821 B
Python
|
"""Test formatting functionality."""
|
||
|
|
import pytest
|
||
|
|
|
||
|
|
from langchain.formatting import formatter
|
||
|
|
|
||
|
|
|
||
|
|
def test_valid_formatting() -> None:
|
||
|
|
"""Test formatting works as expected."""
|
||
|
|
template = "This is a {foo} test."
|
||
|
|
output = formatter.format(template, foo="good")
|
||
|
|
expected_output = "This is a good test."
|
||
|
|
assert output == expected_output
|
||
|
|
|
||
|
|
|
||
|
|
def test_does_not_allow_args() -> None:
|
||
|
|
"""Test formatting raises error when args are provided."""
|
||
|
|
template = "This is a {} test."
|
||
|
|
with pytest.raises(ValueError):
|
||
|
|
formatter.format(template, "good")
|
||
|
|
|
||
|
|
|
||
|
|
def test_does_not_allow_extra_kwargs() -> None:
|
||
|
|
"""Test formatting does not allow extra key word arguments."""
|
||
|
|
template = "This is a {foo} test."
|
||
|
|
with pytest.raises(KeyError):
|
||
|
|
formatter.format(template, foo="good", bar="oops")
|