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#------------------------------------------------------------------------------
# Copyright (c) 2021-2025, Nucleic Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file COPYING.txt, distributed with this software.
#------------------------------------------------------------------------------
"""Test for the code generator."""
import ast
import pytest
from enaml.core.code_generator import CodeGenerator
# See Issue #521
IMPORT_SRC = """
import logging
log = logging.getLogger(__name__)
try:
import backend_1
backend_1_available = True
except ImportError as e:
log.exception(e)
backend_1_available = False
"""
# Since we cannot have a return outside a function I am not sure we can ever
# encounter a non-implicit return opcode.
@pytest.mark.parametrize("source, return_on_lines", [
("pass", []),
("if a:\n print("")", []),
("for i in range(10):\n i", []),
("with open(f) as f:\n print(f.readlines())", []),
(IMPORT_SRC, [])
])
def test_python_block_insertion(source, return_on_lines):
cg = CodeGenerator()
cg.insert_python_block(ast.parse(source))
for i in cg.code_ops:
if getattr(i, "name", "") == "RETURN_VALUE":
assert i.lineno in return_on_lines
cg.to_code()
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