def safe_dupfile(f):
if pytest.__version__ < "6.0.0":
from _pytest.capture import safe_text_dupfile
return safe_text_dupfile(f, mode=f.mode)
else:
from _pytest.capture import EncodedFile
default_encoding = "UTF8"
encoding = getattr(f, "encoding", None)
try:
fd = f.fileno()
except OSError:
if "b" not in getattr(f, "mode", "") and hasattr(f, "encoding"):
# we seem to have a text stream, let's just use it
return f
newfd = os.dup(fd)
mode = f.mode
if "b" not in mode:
mode += "b"
f = os.fdopen(newfd, mode, 0) # no buffering
return EncodedFile(f,
encoding or default_encoding,
errors="replace",
write_through=True)
def __init__(self, terminalreporter, *, rewrite=False):
self.tr = terminalreporter
# copy the original stdout for use with CaptureFixture
self.tr._tw._file = safe_text_dupfile(self.tr._tw._file, mode=self.tr._tw._file.mode)
self.rewrite = rewrite
self.__reset()
steps.subscribe(self.notify)
def test_dupfile(tmpfile):
flist = []
for i in range(5):
nf = capture.safe_text_dupfile(tmpfile, "wb")
assert nf != tmpfile
assert nf.fileno() != tmpfile.fileno()
assert nf not in flist
print(i, end="", file=nf)
flist.append(nf)
for i in range(5):
f = flist[i]
f.close()
tmpfile.seek(0)
s = tmpfile.read()
assert "01234" in repr(s)
tmpfile.close()
def test_dupfile(tmpfile):
flist = []
for i in range(5):
nf = capture.safe_text_dupfile(tmpfile, "wb")
assert nf != tmpfile
assert nf.fileno() != tmpfile.fileno()
assert nf not in flist
print_(i, end="", file=nf)
flist.append(nf)
for i in range(5):
f = flist[i]
f.close()
tmpfile.seek(0)
s = tmpfile.read()
assert "01234" in repr(s)
tmpfile.close()
def test_dupfile(tmpfile):
flist = []
for i in range(5):
nf = capture.safe_text_dupfile(tmpfile, "wb")
assert nf != tmpfile
assert nf.fileno() != tmpfile.fileno()
assert nf not in flist
print(i, end="", file=nf)
flist.append(nf)
fname_open = flist[0].name
assert fname_open == repr(flist[0].buffer)
for i in range(5):
f = flist[i]
f.close()
fname_closed = flist[0].name
assert fname_closed == repr(flist[0].buffer)
assert fname_closed != fname_open
tmpfile.seek(0)
s = tmpfile.read()
assert "01234" in repr(s)
tmpfile.close()
assert fname_closed == repr(flist[0].buffer)
def test_dupfile_on_textio():
io = py.io.TextIO()
f = capture.safe_text_dupfile(io, "wb")
f.write("hello")
assert io.getvalue() == "hello"
assert not hasattr(f, 'name')
def test_dupfile_on_bytesio():
io = py.io.BytesIO()
f = capture.safe_text_dupfile(io, "wb")
f.write("hello")
assert io.getvalue() == b"hello"
assert 'BytesIO object' in f.name
def test_dupfile_on_textio():
io = py.io.TextIO()
f = capture.safe_text_dupfile(io, "wb")
f.write("hello")
assert io.getvalue() == "hello"
assert not hasattr(f, 'name')
def test_dupfile_on_bytesio():
io = py.io.BytesIO()
f = capture.safe_text_dupfile(io, "wb")
f.write("hello")
assert io.getvalue() == b"hello"
assert 'BytesIO object' in f.name
def test_dupfile_on_bytesio():
bio = io.BytesIO()
f = capture.safe_text_dupfile(bio, "wb")
f.write("hello")
assert bio.getvalue() == b"hello"
assert "BytesIO object" in f.name
def test_dupfile_on_textio():
sio = StringIO()
f = capture.safe_text_dupfile(sio, "wb")
f.write("hello")
assert sio.getvalue() == "hello"
assert not hasattr(f, "name")
def test_dupfile_on_bytesio():
bio = io.BytesIO()
f = capture.safe_text_dupfile(bio, "wb")
f.write("hello")
assert bio.getvalue() == b"hello"
assert "BytesIO object" in f.name