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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /testing/mozbase/mozfile/tests/test_tempfile.py | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/mozbase/mozfile/tests/test_tempfile.py')
-rw-r--r-- | testing/mozbase/mozfile/tests/test_tempfile.py | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/testing/mozbase/mozfile/tests/test_tempfile.py b/testing/mozbase/mozfile/tests/test_tempfile.py new file mode 100644 index 0000000000..3e250d6a76 --- /dev/null +++ b/testing/mozbase/mozfile/tests/test_tempfile.py @@ -0,0 +1,105 @@ +#!/usr/bin/env python + +# 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/. + +""" +tests for mozfile.NamedTemporaryFile +""" +import os +import unittest + +import mozfile +import mozunit +import six + + +class TestNamedTemporaryFile(unittest.TestCase): + """test our fix for NamedTemporaryFile""" + + def test_named_temporary_file(self): + """Ensure the fix for re-opening a NamedTemporaryFile works + + Refer to https://bugzilla.mozilla.org/show_bug.cgi?id=818777 + and https://bugzilla.mozilla.org/show_bug.cgi?id=821362 + """ + + test_string = b"A simple test" + with mozfile.NamedTemporaryFile() as temp: + # Test we can write to file + temp.write(test_string) + # Forced flush, so that we can read later + temp.flush() + + # Test we can open the file again on all platforms + self.assertEqual(open(temp.name, "rb").read(), test_string) + + def test_iteration(self): + """ensure the line iterator works""" + + # make a file and write to it + tf = mozfile.NamedTemporaryFile() + notes = [b"doe", b"rae", b"mi"] + for note in notes: + tf.write(b"%s\n" % note) + tf.flush() + + # now read from it + tf.seek(0) + lines = [line.rstrip(b"\n") for line in tf.readlines()] + self.assertEqual(lines, notes) + + # now read from it iteratively + lines = [] + for line in tf: + lines.append(line.strip()) + self.assertEqual(lines, []) # because we did not seek(0) + tf.seek(0) + lines = [] + for line in tf: + lines.append(line.strip()) + self.assertEqual(lines, notes) + + def test_delete(self): + """ensure ``delete=True/False`` works as expected""" + + # make a deleteable file; ensure it gets cleaned up + path = None + with mozfile.NamedTemporaryFile(delete=True) as tf: + path = tf.name + self.assertTrue(isinstance(path, six.string_types)) + self.assertFalse(os.path.exists(path)) + + # it is also deleted when __del__ is called + # here we will do so explicitly + tf = mozfile.NamedTemporaryFile(delete=True) + path = tf.name + self.assertTrue(os.path.exists(path)) + del tf + self.assertFalse(os.path.exists(path)) + + # Now the same thing but we won't delete the file + path = None + try: + with mozfile.NamedTemporaryFile(delete=False) as tf: + path = tf.name + self.assertTrue(os.path.exists(path)) + finally: + if path and os.path.exists(path): + os.remove(path) + + path = None + try: + tf = mozfile.NamedTemporaryFile(delete=False) + path = tf.name + self.assertTrue(os.path.exists(path)) + del tf + self.assertTrue(os.path.exists(path)) + finally: + if path and os.path.exists(path): + os.remove(path) + + +if __name__ == "__main__": + mozunit.main() |