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#------------------------------------------------------------------------------
# Copyright (c) 2018-2024, Nucleic Development Team.
#
# Distributed under the terms of the Modified BSD License.
#
# The full license is in the file LICENSE, distributed with this software.
#------------------------------------------------------------------------------
"""Test the handling of nested functions such as lambda functions and
implicit functions used by comprehensions.
"""
import sys
import pytest
from utils import compile_source
SYNCHRONISATION_TEMPLATE =\
"""from enaml.widgets.api import Window, Container, Field, Label
enamldef Main(Window):
attr colors = ['red', 'blue', 'yellow', 'green']
alias search_txt : search.text
alias formatted_comp : lab.text
Container: container:
Field: search:
placeholder = "Search..."
Label: lab:
text << f'{colors}'
"""
@pytest.mark.skipif(sys.version_info < (3, 6), reason='Requires Python 3.6')
def test_tracing_fstring():
"""Test that an f-string can be traced.
"""
source = SYNCHRONISATION_TEMPLATE
win = compile_source(source, 'Main')()
assert win.formatted_comp == "['red', 'blue', 'yellow', 'green']"
win.colors = ['yellow', 'red', 'blue', 'green']
assert win.formatted_comp == "['yellow', 'red', 'blue', 'green']"
|
