def test_set_row_fails_if_too_missing_cells():
table = Table()
table.add_row(["a", "b", "c"])
table.add_row(["a", "b", "c"])
with pytest.raises(ValueError):
table.set_row(1, ["a", "b"])
def test_set_rows(io):
table = Table()
table.set_rows([["a", "b", "c"], ["d", "e", "f"]])
table.render(io)
table.set_row(1, ["g", "h", "i"])
table.render(io)
expected = """\
+---+---+---+
| a | b | c |
| d | e | f |
+---+---+---+
+---+---+---+
| a | b | c |
| g | h | i |
+---+---+---+
"""
assert expected == io.fetch_output()