2022-05-23 00:16:32 +04:00

21 lines
525 B
Python

import pytest
import altair.vegalite.v3 as alt
from altair.vegalite.v3.theme import VEGA_THEMES
@pytest.fixture
def chart():
return alt.Chart("data.csv").mark_bar().encode(x="x:Q")
def test_vega_themes(chart):
for theme in VEGA_THEMES:
with alt.themes.enable(theme):
dct = chart.to_dict()
assert dct["usermeta"] == {"embedOptions": {"theme": theme}}
assert dct["config"] == {
"view": {"width": 400, "height": 300},
"mark": {"tooltip": None},
}