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import numpy as np
import pytest
import pandas.util._test_decorators as td
from pandas import DataFrame
td.versioned_importorskip("jinja2")
from pandas.io.formats.style import Styler
@pytest.fixture
def df():
return DataFrame(
data=[[0, 1, 2], [3, 4, 5], [6, 7, 8]],
columns=["A", "B", "C"],
index=["x", "y", "z"],
)
@pytest.fixture
def styler(df):
return Styler(df, uuid_len=0)
@pytest.mark.parametrize(
"ttips",
[
DataFrame( # Test basic reindex and ignoring blank
data=[["Min", "Max"], [np.nan, ""]],
columns=["A", "C"],
index=["x", "y"],
),
DataFrame( # Test non-referenced columns, reversed col names, short index
data=[["Max", "Min", "Bad-Col"]], columns=["C", "A", "D"], index=["x"]
),
],
)
def test_tooltip_render(ttips, styler):
# GH 21266
result = styler.set_tooltips(ttips).to_html()
# test tooltip table level class
assert "#T_ .pd-t {\n visibility: hidden;\n" in result
# test 'Min' tooltip added
assert "#T_ #T__row0_col0:hover .pd-t {\n visibility: visible;\n}" in result
assert '#T_ #T__row0_col0 .pd-t::after {\n content: "Min";\n}' in result
assert 'class="data row0 col0" >0<span class="pd-t"></span></td>' in result
# test 'Max' tooltip added
assert "#T_ #T__row0_col2:hover .pd-t {\n visibility: visible;\n}" in result
assert '#T_ #T__row0_col2 .pd-t::after {\n content: "Max";\n}' in result
assert 'class="data row0 col2" >2<span class="pd-t"></span></td>' in result
# test Nan, empty string and bad column ignored
assert "#T_ #T__row1_col0:hover .pd-t {\n visibility: visible;\n}" not in result
assert "#T_ #T__row1_col1:hover .pd-t {\n visibility: visible;\n}" not in result
assert "#T_ #T__row0_col1:hover .pd-t {\n visibility: visible;\n}" not in result
assert "#T_ #T__row1_col2:hover .pd-t {\n visibility: visible;\n}" not in result
assert "Bad-Col" not in result
def test_tooltip_ignored(styler):
# GH 21266
result = styler.to_html() # no set_tooltips() creates no <span>
assert '<style type="text/css">\n</style>' in result
assert '<span class="pd-t"></span>' not in result
def test_tooltip_css_class(styler):
# GH 21266
result = styler.set_tooltips(
DataFrame([["tooltip"]], index=["x"], columns=["A"]),
css_class="other-class",
props=[("color", "green")],
).to_html()
assert "#T_ .other-class {\n color: green;\n" in result
assert '#T_ #T__row0_col0 .other-class::after {\n content: "tooltip";\n' in result
# GH 39563
result = styler.set_tooltips( # set_tooltips overwrites previous
DataFrame([["tooltip"]], index=["x"], columns=["A"]),
css_class="another-class",
props="color:green;color:red;",
).to_html()
assert "#T_ .another-class {\n color: green;\n color: red;\n}" in result
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