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