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Include win32raw close_on_reopen test

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This commit is contained in:
belono 2023-10-25 23:48:01 +02:00
parent 504af10718
commit 18e1040f67
1 changed files with 31 additions and 0 deletions
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31
test/test_printers/test_printer_win32raw.py
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@ -81,6 +81,37 @@ def test_open(win32rawprinter, caplog, mocker):
assert win32rawprinter.device == PyPrinterHANDLE.return_value
def test_close_on_reopen(win32rawprinter, mocker):
"""
GIVEN a win32raw printer object and a mocked win32print device
WHEN a valid connection to a device is reopened before close
THEN check the close method is called if _device
"""
# The _win32typing.PyPrinterHANDLE object is unreachable, so we have to mock it
PyPrinterHANDLE = mocker.Mock()
PyPrinterHANDLE.return_value = 0 # Accepts 0 or None as return value
# Replace the contents of Win32Raw.printers to accept test_printer as a system's printer name
mocker.patch("escpos.printer.Win32Raw.printers", new={"test_printer": "Test"})
# Configure printer_name
win32rawprinter.printer_name = "test_printer"
# Patch the win32print.OpenPrinter method to return the mocked PyPrinterHANDLE
mocker.patch("win32print.OpenPrinter", new=PyPrinterHANDLE)
# Patch the win32print close methods
mocker.patch("win32print.EndPagePrinter")
mocker.patch("win32print.EndDocPrinter")
mocker.patch("win32print.ClosePrinter")
spy = mocker.spy(win32rawprinter, "close")
# Simulate a reopen before close
win32rawprinter._device = True
win32rawprinter.open()
spy.assert_called_once()
def test_close(win32rawprinter, caplog, mocker):
"""
GIVEN a win32raw printer object and a mocked win32print device