done

lib/python3.11/site-packages/pandas/tests/util/test_util.py

@@ -0,0 +1,58 @@
+import os
+
+import pytest
+
+from pandas import (
+    array,
+    compat,
+)
+import pandas._testing as tm
+
+
+def test_numpy_err_state_is_default():
+    expected = {"over": "warn", "divide": "warn", "invalid": "warn", "under": "ignore"}
+    import numpy as np
+
+    # The error state should be unchanged after that import.
+    assert np.geterr() == expected
+
+
+def test_convert_rows_list_to_csv_str():
+    rows_list = ["aaa", "bbb", "ccc"]
+    ret = tm.convert_rows_list_to_csv_str(rows_list)
+
+    if compat.is_platform_windows():
+        expected = "aaa\r\nbbb\r\nccc\r\n"
+    else:
+        expected = "aaa\nbbb\nccc\n"
+
+    assert ret == expected
+
+
+@pytest.mark.parametrize("strict_data_files", [True, False])
+def test_datapath_missing(datapath):
+    with pytest.raises(ValueError, match="Could not find file"):
+        datapath("not_a_file")
+
+
+def test_datapath(datapath):
+    args = ("io", "data", "csv", "iris.csv")
+
+    result = datapath(*args)
+    expected = os.path.join(os.path.dirname(os.path.dirname(__file__)), *args)
+
+    assert result == expected
+
+
+def test_external_error_raised():
+    with tm.external_error_raised(TypeError):
+        raise TypeError("Should not check this error message, so it will pass")
+
+
+def test_is_sorted():
+    arr = array([1, 2, 3], dtype="Int64")
+    tm.assert_is_sorted(arr)
+
+    arr = array([4, 2, 3], dtype="Int64")
+    with pytest.raises(AssertionError, match="ExtensionArray are different"):
+        tm.assert_is_sorted(arr)