rich/tests/test_protocol.py

85 lines
1.8 KiB
Python

import io
from rich.abc import RichRenderable
from rich.console import Console
from rich.panel import Panel
from rich.text import Text
class Foo:
def __rich__(self) -> Text:
return Text("Foo")
def test_rich_cast():
foo = Foo()
console = Console(file=io.StringIO())
console.print(foo)
assert console.file.getvalue() == "Foo\n"
class Fake:
def __getattr__(self, name):
return 12
def __repr__(self) -> str:
return "Fake()"
def test_rich_cast_fake():
fake = Fake()
console = Console(file=io.StringIO())
console.print(fake)
assert console.file.getvalue() == "Fake()\n"
def test_rich_cast_container():
foo = Foo()
console = Console(file=io.StringIO(), legacy_windows=False)
console.print(Panel.fit(foo, padding=0))
assert console.file.getvalue() == "╭───╮\n│Foo│\n╰───╯\n"
def test_abc():
foo = Foo()
assert isinstance(foo, RichRenderable)
assert isinstance(Text("hello"), RichRenderable)
assert isinstance(Panel("hello"), RichRenderable)
assert not isinstance(foo, str)
assert not isinstance("foo", RichRenderable)
assert not isinstance([], RichRenderable)
def test_cast_deep():
class B:
def __rich__(self) -> Foo:
return Foo()
class A:
def __rich__(self) -> B:
return B()
console = Console(file=io.StringIO())
console.print(A())
assert console.file.getvalue() == "Foo\n"
def test_cast_recursive():
class B:
def __rich__(self) -> "A":
return A()
def __repr__(self) -> str:
return "<B>"
class A:
def __rich__(self) -> B:
return B()
def __repr__(self) -> str:
return "<A>"
console = Console(file=io.StringIO())
console.print(A())
assert console.file.getvalue() == "<B>\n"