| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/LibreOffice/unotools/qa/python/ (Office von Apache Version 25.8.3.2©) Datei vom 5.10.2025 mit Größe 5 kB |
|
Quelle test_tempfile.py Sprache: Python |
|||||||||
|
#! /usr/bin/env python
# -*- tab-width: 4; indent-tabs-mode: nil; py-indent-offset: 4 -*- # # This file is part of the LibreOffice project. # # This Source Code Form is subject to the terms of the Mozilla Public # License, v. 2.0. If a copy of the MPL was not distributed with this # file, You can obtain one at http://mozilla.org/MPL/2.0/. # import unittest import uno from org.libreoffice.unotest import UnoInProcess class TestTempFile(unittest.TestCase): """Test temporary file object created from com.sun.star.io.TempFile""" @classmethod def setUpClass(cls): cls._uno = UnoInProcess() cls._uno.setUp() @classmethod def tearDownClass(cls): cls._uno.tearDown() def setUp(self): self.file_data = uno.ByteSequence(b"some data") service_manager = self._uno.getContext().getServiceManager() if service_manager is None: raise RuntimeError("Cannot create service factory!") try: self.file_access = service_manager.createInstance("com.sun.star.ucb.SimpleFileAcce if self.file_access is None: raise RuntimeError("Cannot get simple access!") except Exception as e: raise RuntimeError(f"Cannot get simple file access! {e}") self.temp_file = service_manager.createInstance("com.sun.star.io.TempFile") has_xtempfile_if = bool([ 1 for type_info in self.temp_file.getTypes() if type_info.typeName == "com.sun.star.io.XTempFile" ]) if not has_xtempfile_if: raise RuntimeError("Cannot get XTempFile interface.") def close_temp_file(self) -> None: stream = self.temp_file.getOutputStream() if stream is None: raise RuntimeError("Cannot get output stream") stream.closeOutput() stream = self.temp_file.getInputStream() if stream is None: raise RuntimeError("Cannot get input stream") stream.closeInput() print("Tempfile closed successfully.") def read_bytes_with_stream(self) -> uno.ByteSequence: input_stream = self.temp_file.getInputStream() if input_stream is None: raise RuntimeError("Cannot get input stream from tempfile.") nbytes, read_data = input_stream.readBytes(None, len(self.file_data)) print("Read", nbytes, "bytes from tempfile successfully.") return read_data def read_directly_from_temp_file(self, file_url: str) -> uno.ByteSequence: print("Attempting to read directly from", file_url) input_stream = self.file_access.openFileRead(file_url) if input_stream is None: raise RuntimeError("Cannot create input stream from URL.") nbytes, read_data = input_stream.readBytes(None, len(self.file_data)) print("Read", nbytes, "bytes directly from tempfile successfully.") return read_data def write_bytes_with_stream(self) -> None: output_stream = self.temp_file.getOutputStream() if output_stream is None: raise RuntimeError("Cannot get output stream.") output_stream.writeBytes(self.file_data) output_stream.flush() print("Write", len(self.file_data), "bytes to tempfile successfully.") def get_temp_file_url(self) -> str: uri = self.temp_file.Uri if not uri: raise RuntimeError("Temporary file not valid.") return uri def get_temp_file_name(self) -> str: file_name = self.temp_file.ResourceName if not file_name: raise RuntimeError("Temporary file not valid.") return file_name def test_01(self): file_uri = self.get_temp_file_url() file_name = self.get_temp_file_name() print("Tempfile URL:", file_uri) print("Tempfile name:", file_name) self.assertTrue( file_uri.endswith(file_name.replace("\\", "/")), "FILE NAME AND URL DO NOT MATCH.", ) # write to the stream using the service. self.write_bytes_with_stream() # check the result by reading from the service. self.temp_file.seek(0) read_data = self.read_bytes_with_stream() self.assertEqual(self.file_data, read_data, "Tempfile outputs false data!") # check the result by reading from the file directly. read_data = self.read_directly_from_temp_file(file_uri) self.assertEqual(self.file_data, read_data, "Tempfile contains false data!") # close the object(by closing input and output), check that the file # was removed. self.temp_file.RemoveFile = False # After tempfile is closed, file name cannot be got from a TempFile object. file_name = self.temp_file.ResourceName self.close_temp_file() self.assertTrue( self.file_access.exists(file_name), "TempFile mistakenly removed.", ) # Finally, cleanup this temp file. self.file_access.kill(file_name) def test_02(self): self.write_bytes_with_stream() file_url = self.get_temp_file_url() # let the service not to remove the URL. self.temp_file.RemoveFile = False # close the tempfile by closing input and output. self.close_temp_file() # check that the file is still available. read_data = self.read_directly_from_temp_file(file_url) self.assertEqual(self.file_data, read_data, "Tempfile contains false data!") if __name__ == '__main__': unittest.main() # vim: set shiftwidth=4 softtabstop=4 expandtab: ¤ Dauer der Verarbeitung: 0.4 Sekunden ¤*© Formatika GbR, Deutschland |
|
2026-03-28