rich/tests/test_theme.py

54 lines
1.4 KiB
Python

import io
import os
import tempfile
import pytest
from rich.style import Style
from rich.theme import Theme, ThemeStack, ThemeStackError
def test_inherit():
theme = Theme({"warning": "red"})
assert theme.styles["warning"] == Style(color="red")
assert theme.styles["dim"] == Style(dim=True)
def test_config():
theme = Theme({"warning": "red"})
config = theme.config
assert "warning = red\n" in config
def test_from_file():
theme = Theme({"warning": "red"})
text_file = io.StringIO()
text_file.write(theme.config)
text_file.seek(0)
load_theme = Theme.from_file(text_file)
assert theme.styles == load_theme.styles
def test_read():
theme = Theme({"warning": "red"})
with tempfile.TemporaryDirectory("richtheme") as name:
filename = os.path.join(name, "theme.cfg")
with open(filename, "wt") as write_theme:
write_theme.write(theme.config)
load_theme = Theme.read(filename)
assert theme.styles == load_theme.styles
def test_theme_stack():
theme = Theme({"warning": "red"})
stack = ThemeStack(theme)
assert stack.get("warning") == Style.parse("red")
new_theme = Theme({"warning": "bold yellow"})
stack.push_theme(new_theme)
assert stack.get("warning") == Style.parse("bold yellow")
stack.pop_theme()
assert stack.get("warning") == Style.parse("red")
with pytest.raises(ThemeStackError):
stack.pop_theme()