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"""test_read_user_variable."""
import pytest
from cookiecutter.prompt import read_user_variable
VARIABLE = 'project_name'
DEFAULT = 'Kivy Project'
@pytest.fixture
def mock_prompt(mocker):
"""Return a mocked version of the 'Prompt.ask' function."""
return mocker.patch('rich.prompt.Prompt.ask')
def test_click_invocation(mock_prompt):
"""Test click function called correctly by cookiecutter.
Test for string type invocation.
"""
mock_prompt.return_value = DEFAULT
assert read_user_variable(VARIABLE, DEFAULT) == DEFAULT
mock_prompt.assert_called_once_with(VARIABLE, default=DEFAULT)
def test_input_loop_with_null_default_value(mock_prompt):
"""Test `Prompt.ask` is run repeatedly until a valid answer is provided.
Test for `default_value` parameter equal to None.
"""
# Simulate user providing None input initially and then a valid input
mock_prompt.side_effect = [None, DEFAULT]
assert read_user_variable(VARIABLE, None) == DEFAULT
assert mock_prompt.call_count == 2
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