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* file-transfer: writing tests and ensuring that all is going well * def send_file(filename: str = "mytext.txt", testing: bool = False) -> None: * send_file(filename="mytext.txt", testing=True) * Update send_file.py * requirements.txt: lxml Co-authored-by: Christian Clauss <cclauss@me.com>
33 lines
1014 B
Python
33 lines
1014 B
Python
from unittest.mock import patch, Mock
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from file_transfer.send_file import send_file
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@patch("socket.socket")
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@patch("builtins.open")
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def test_send_file_running_as_expected(file, sock):
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# ===== initialization =====
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conn = Mock()
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sock.return_value.accept.return_value = conn, Mock()
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f = iter([1, None])
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file.return_value.__enter__.return_value.read.side_effect = lambda _: next(f)
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# ===== invoke =====
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send_file(filename="mytext.txt", testing=True)
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# ===== ensurance =====
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sock.assert_called_once()
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sock.return_value.bind.assert_called_once()
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sock.return_value.listen.assert_called_once()
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sock.return_value.accept.assert_called_once()
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conn.recv.assert_called_once()
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file.return_value.__enter__.assert_called_once()
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file.return_value.__enter__.return_value.read.assert_called()
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conn.send.assert_called_once()
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conn.close.assert_called_once()
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sock.return_value.shutdown.assert_called_once()
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sock.return_value.close.assert_called_once()
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