def test_pass_through_ascii_context(self):
data = '12\u00d6\n'
with NamedTemporaryFile('xt+', encoding='ascii') as fobj:
assert fobj.closed is False
with pytest.raises(UnicodeEncodeError):
fobj.write(data)
assert fobj.seek(0) == 0
assert fobj.read() == ''
assert fobj.closed is True
assert not os.path.exists(fobj.name)
with NamedTemporaryFile('xt+', encoding='ascii', errors=None) as fobj:
assert fobj.closed is False
with pytest.raises(UnicodeEncodeError):
fobj.write(data)
assert fobj.seek(0) == 0
assert fobj.read() == ''
assert fobj.closed is True
assert not os.path.exists(fobj.name)
with NamedTemporaryFile('xt+', encoding='ascii',
errors='strict') as fobj:
assert fobj.closed is False
with pytest.raises(UnicodeEncodeError):
fobj.write(data)
assert fobj.seek(0) == 0
assert fobj.read() == ''
assert fobj.closed is True
assert not os.path.exists(fobj.name)
def test_pass_through_utf8_context(self):
data = '12\u00d6\n'
with NamedTemporaryFile('xt+', encoding='utf-8') as fobj:
assert fobj.closed is False
assert fobj.write(data) == len(data)
assert fobj.seek(0) == 0
assert fobj.read() == data
assert fobj.closed is True
assert not os.path.exists(fobj.name)
with NamedTemporaryFile('xt+', encoding='utf-8', errors=None) as fobj:
assert fobj.closed is False
assert fobj.write(data) == len(data)
assert fobj.seek(0) == 0
assert fobj.read() == data
assert fobj.closed is True
assert not os.path.exists(fobj.name)
with NamedTemporaryFile('xt+', encoding='utf-8',
errors='strict') as fobj:
assert fobj.closed is False
assert fobj.write(data) == len(data)
assert fobj.seek(0) == 0
assert fobj.read() == data
assert fobj.closed is True
assert not os.path.exists(fobj.name)
def test_invalid_iowrap_fail(self):
# A bit of cheating here as we know we can induce an error in the
# text wrapper to ensure the final section of the __init__ gets tested
encoding = 'xxxasciixxx'
with pytest.raises(LookupError):
codecs.lookup(encoding)
with pytest.raises(LookupError):
NamedTemporaryFile('xt',
encoding=encoding,
errors='ignore',
delete=False)
def test_replace_context(self):
data = '12\u00d6\n'
ref = reference(data, encoding='ascii', errors='replace')
with NamedTemporaryFile('xt+', encoding='ascii',
errors='replace') as fobj:
assert fobj.closed is False
assert fobj.line_buffering is False
assert fobj.write(data) == len(data)
assert fobj.seek(0) == 0
assert fobj.read() == ref
assert fobj.closed is True
assert not os.path.exists(fobj.name)
def test_ignore(self):
data = '12\u00d6\n'
ref = reference(data, encoding='ascii', errors='ignore')
fobj = NamedTemporaryFile('xt+', encoding='ascii', errors='ignore')
assert fobj.closed is False
assert fobj.line_buffering is False
assert fobj.write(data) == len(data)
assert fobj.seek(0) == 0
assert fobj.read() == ref
fobj.close()
assert fobj.closed is True
assert not os.path.exists(fobj.name)
def test_invalid_buffering(self):
# <buffering> is passed to the underlying constructor without checking
# unless <errors> is specified
with pytest.raises(ValueError):
NamedTemporaryFile('xt', errors='ignore', buffering=0)
def test_binary_with_errors(self):
with pytest.raises(ValueError):
NamedTemporaryFile('xb+', errors='ignore')
def test_pass_through_utf8_no_delete(self):
data = '12\u00d6\n'
fobj = NamedTemporaryFile('xt+', encoding='utf-8', delete=False)
assert fobj.closed is False
assert fobj.write(data) == len(data)
assert fobj.seek(0) == 0
assert fobj.read() == data
fobj.close()
assert fobj.closed is True
assert os.path.exists(fobj.name)
os.unlink(fobj.name)
assert not os.path.exists(fobj.name)
fobj = NamedTemporaryFile('xt+',
encoding='utf-8',
errors=None,
delete=False)
assert fobj.closed is False
assert fobj.write(data) == len(data)
assert fobj.seek(0) == 0
assert fobj.read() == data
fobj.close()
assert fobj.closed is True
assert os.path.exists(fobj.name)
os.unlink(fobj.name)
assert not os.path.exists(fobj.name)
fobj = NamedTemporaryFile('xt+',
encoding='utf-8',
errors='strict',
delete=False)
assert fobj.closed is False
assert fobj.write(data) == len(data)
assert fobj.seek(0) == 0
assert fobj.read() == data
fobj.close()
assert fobj.closed is True
assert os.path.exists(fobj.name)
os.unlink(fobj.name)
assert not os.path.exists(fobj.name)