Updated script that can be controled by Nodejs web app

lib/python3.13/site-packages/pandas/tests/io/formats/style/test_exceptions.py

@@ -0,0 +1,44 @@
+import pytest
+
+jinja2 = pytest.importorskip("jinja2")
+
+from pandas import (
+    DataFrame,
+    MultiIndex,
+)
+
+from pandas.io.formats.style import Styler
+
+
+@pytest.fixture
+def df():
+    return DataFrame(
+        data=[[0, -0.609], [1, -1.228]],
+        columns=["A", "B"],
+        index=["x", "y"],
+    )
+
+
+@pytest.fixture
+def styler(df):
+    return Styler(df, uuid_len=0)
+
+
+def test_concat_bad_columns(styler):
+    msg = "`other.data` must have same columns as `Styler.data"
+    with pytest.raises(ValueError, match=msg):
+        styler.concat(DataFrame([[1, 2]]).style)
+
+
+def test_concat_bad_type(styler):
+    msg = "`other` must be of type `Styler`"
+    with pytest.raises(TypeError, match=msg):
+        styler.concat(DataFrame([[1, 2]]))
+
+
+def test_concat_bad_index_levels(styler, df):
+    df = df.copy()
+    df.index = MultiIndex.from_tuples([(0, 0), (1, 1)])
+    msg = "number of index levels must be same in `other`"
+    with pytest.raises(ValueError, match=msg):
+        styler.concat(df.style)