def test_readable_writable(gfile):
with gopen(gfile, "rb") as f:
assert f.readable()
assert not f.writable()
with gopen(gfile, "r+b") as f:
assert f.readable()
assert f.writable()
def test_http():
gfile = Gio.File.new_for_uri(
"http://people.xiph.org/~giles/2012/opus/ehren-paper_lights-96.opus")
with pytest.raises(IOError):
gopen(gfile, "r+b")
with gopen(gfile, "rb") as f:
assert f.name == "ehren-paper_lights-96.opus"
with pytest.raises(IOError):
f.fileno()
def test_close(gfile):
with gopen(gfile, "r+b") as f:
assert not f.closed
f.close()
assert f.closed
f.close()
with gopen(gfile, "r+b") as f:
pass
assert f.closed
def test_readline(gfile):
with gopen(gfile, "r+b") as f:
with open(f.name, "wb") as h:
h.write(b"foo\nbar")
assert f.readline() == b"foo\n"
assert f.readline() == b"bar"
assert f.readline() == b""
def test_buffered_reader(gfile):
with gopen(gfile, "rb") as f:
with open(f.name, "wb") as h:
h.write(b"foo")
assert f.peek(3) == b"foo"
assert f.tell() == 0
f.read1(10)
def test_read_write(gfile):
with gopen(gfile, "r+b") as f:
with open(f.name, "wb") as h:
h.write(b"foo")
assert f.read(1) == b"f"
assert f.read() == b"oo"
assert f.write(b"bar") == 3
def test_truncate(gfile):
with gopen(gfile, "r+b") as f:
with open(f.name, "wb") as h:
h.write(b"foo")
assert f.seek(0, 2) == 3
f.seek(0, 0)
f.truncate()
assert f.seek(0, 2) == 0
def test_buffered_writer(gfile):
cancel = Gio.Cancellable.new()
with gopen(gfile, "r+b", cancellable=cancel) as f:
with open(f.name, "wb") as h:
h.write(b"foo")
with io.BufferedWriter(f) as b:
b.write(b"x")
b.flush()
f.seek(0)
assert f.read() == b"xoo"
def test_readinto(gfile):
data = b"x" * (io.DEFAULT_BUFFER_SIZE * 10)
with gopen(gfile, "r+b") as f:
with open(f.name, "wb") as h:
h.write(data)
assert f.read() == data
f.seek(0)
buf = bytearray(len(data))
f.readinto(buf)
assert buf == data
def test_kwargs(gfile):
with pytest.raises(TypeError):
gopen(gfile, foo=1)
def test_iter(gfile):
with gopen(gfile, "r+b") as f:
with open(f.name, "wb") as h:
h.write(b"foo\nbar")
assert [l for l in f] == [b"foo\n", b"bar"]
def test_tell(gfile):
with gopen(gfile, "rb") as f:
assert f.seek(1, 0) == f.tell()
def test_seek(gfile):
with gopen(gfile, "rb") as f:
assert f.seekable()
assert f.seek(0, 0) == 0
def test_invalid_buffering(gfile):
with pytest.raises(ValueError):
gopen(gfile, "r", buffering=0)
with pytest.raises(ValueError):
gopen(gfile, "rb", buffering=1)
def test_line_buffering(gfile):
with gopen(gfile, "r") as f:
assert not f.line_buffering
with gopen(gfile, "r", buffering=1) as f:
assert f.line_buffering
def test_isatty(gfile):
with gopen(gfile, "r+b") as f:
assert not f.isatty()
def test_fileno(gfile):
with gopen(gfile, "rb") as f:
assert isinstance(f.fileno(), int)
def test_text_mode(gfile):
with gopen(gfile, "r") as f:
with open(f.name, "wb") as h:
h.write(b"foo")
assert f.read() == u"foo"
def test_flush_closed(gfile):
with gopen(gfile, "r+b") as f:
pass
with pytest.raises(ValueError):
f.flush()