def test_format_date_negative_number():
# Arrange
dummy_format = "dummy format {}"
# Act
date = core.format_date("-1", dummy_format)
# Assert
assert date == 'DATE_ADD(CURRENT_TIMESTAMP(), -1, "day")'
def test_format_date_negative_number() -> None:
# Arrange
dummy_format = "dummy format {}"
# Act
date = core.format_date("-1", dummy_format)
# Assert
assert date == 'TIMESTAMP_ADD(CURRENT_TIMESTAMP(), INTERVAL -1 DAY)'
def test_format_date_yyy_mm_dd():
# Act
date = core.format_date("2018-05-15", core.START_TIMESTAMP)
# Assert
assert date == 'TIMESTAMP("2018-05-15 00:00:00")'