def test_view_reprs():
"""Test our custom DictView objects."""
table = Table(value=_TABLE_DATA["dict"])
assert repr(table.keys()) == "column_headers(['col_1', 'col_2', 'col_3'])"
assert repr(table.keys("column")) == "column_headers(['col_1', 'col_2', 'col_3'])"
assert repr(table.keys("row")) == "row_headers(['r1', 'r2'])"
assert repr(table.items()) == "table_items(3 columns)"
assert repr(table.items("column")) == "table_items(3 columns)"
assert repr(table.items("row")) == "table_items(2 rows)"
def test_dataview_delitem():
"""Test that table.data can be indexed like a numpy array."""
input = _TABLE_DATA["dict"]
table = Table(value=input)
row_keys = table.keys("row") # also demoing keys views
col_keys = table.keys("column") # also demoing keys views
assert list(row_keys) == ["r1", "r2"]
assert list(col_keys) == ["col_1", "col_2", "col_3"]
del table.data[1]
assert not table.to_dict("dict") == input
assert list(row_keys) == ["r1"]
assert list(col_keys) == ["col_1", "col_2", "col_3"]
del table.data[:, 2]
assert list(row_keys) == ["r1"]
assert list(col_keys) == ["col_1", "col_2"]
with pytest.raises(ValueError):
del table.data[0, 0] # cannot delete cells