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import io
import sys
import pytest
from rich.console import Console
from rich.file_proxy import FileProxy
def test_empty_bytes():
console = Console()
file_proxy = FileProxy(console, sys.stdout)
# File should raise TypeError when writing bytes
with pytest.raises(TypeError):
file_proxy.write(b"") # type: ignore
with pytest.raises(TypeError):
file_proxy.write(b"foo") # type: ignore
def test_flush():
file = io.StringIO()
console = Console(file=file)
file_proxy = FileProxy(console, file)
file_proxy.write("foo")
assert file.getvalue() == ""
file_proxy.flush()
assert file.getvalue() == "foo\n"
def test_new_lines():
file = io.StringIO()
console = Console(file=file)
file_proxy = FileProxy(console, file)
file_proxy.write("-\n-")
assert file.getvalue() == "-\n"
file_proxy.flush()
assert file.getvalue() == "-\n-\n"
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