printing.py 1.1 KB

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  1. import io
  2. import pytest
  3. import pandas as pd
  4. class BasePrintingTests:
  5. """Tests checking the formatting of your EA when printed."""
  6. @pytest.mark.parametrize("size", ["big", "small"])
  7. def test_array_repr(self, data, size):
  8. if size == "small":
  9. data = data[:5]
  10. else:
  11. data = type(data)._concat_same_type([data] * 5)
  12. result = repr(data)
  13. assert type(data).__name__ in result
  14. assert f"Length: {len(data)}" in result
  15. assert str(data.dtype) in result
  16. if size == "big":
  17. assert "..." in result
  18. def test_array_repr_unicode(self, data):
  19. result = str(data)
  20. assert isinstance(result, str)
  21. def test_series_repr(self, data):
  22. ser = pd.Series(data)
  23. assert data.dtype.name in repr(ser)
  24. def test_dataframe_repr(self, data):
  25. df = pd.DataFrame({"A": data})
  26. repr(df)
  27. def test_dtype_name_in_info(self, data):
  28. buf = io.StringIO()
  29. pd.DataFrame({"A": data}).info(buf=buf)
  30. result = buf.getvalue()
  31. assert data.dtype.name in result