Cloud-Architect-Emma commented on code in PR #40190:
URL: https://github.com/apache/superset/pull/40190#discussion_r3297104872
##########
tests/unit_tests/common/test_dataframe_utils.py:
##########
@@ -48,3 +49,27 @@ def test_is_datetime_series():
datetime.datetime(2018, 1, 1), datetime.datetime(2018, 2, 1)
).to_series()
)
+
+
+def test_df_metrics_to_num_converts_string_numerics():
+ """Test that string-encoded numeric columns (e.g. from ClickHouse) are
converted."""
+ query_object = MagicMock()
+ query_object.metric_names = ["sum_col", "mixed_col", "text_col"]
+ df = pd.DataFrame(
+ {
+ "sum_col": pd.array(["100", "200", "300"], dtype=object),
+ "mixed_col": pd.array(["1", "not_a_number", "3"], dtype=object),
+ "text_col": pd.array(["foo", "bar", "baz"], dtype=object),
+ "dim_col": pd.array(["a", "b", "c"], dtype=object),
Review Comment:
add tests\unit_tests\common\test_dataframe_utils.py
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