hy/tests/macros/test_reader_macros.py

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from hy.macros import macroexpand
from hy.compiler import HyTypeError
from hy.lex import tokenize
def test_reader_macro_error():
"""Check if we get correct error with wrong disptach character"""
try:
macroexpand(tokenize("(dispatch_reader_macro '- '())")[0], __name__)
except HyTypeError as e:
assert "with the character `-`" in str(e)