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"""Unit tests for fileops.py."""
import unittest
from unittest.mock import patch
import buildscripts.util.fileops as under_test
class TestWriteFileToDir(unittest.TestCase):
@patch("os.path.exists")
@patch("buildscripts.util.fileops.write_file")
def test_existing_file_can_be_overriden(self, mock_write_file, mock_exists):
mock_exists.return_value = True
under_test.write_file_to_dir("dir", "file", "contents", overwrite=True)
mock_write_file.assert_called()
@patch("os.path.exists")
@patch("buildscripts.util.fileops.write_file")
def test_existing_file_can_cause_exception(self, mock_write_file, mock_exists):
mock_exists.return_value = True
with self.assertRaises(FileExistsError):
under_test.write_file_to_dir("dir", "file", "contents", overwrite=False)
mock_write_file.assert_not_called()
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