from todo.gui.tasks.duration import format, parse

def test_format():
    assert format(0) == ""
    assert format(0.5) == "0.5m"
    assert format(35) == "35m"
    assert format(60) == "1h"
    assert format(61) == "1h"
    assert format(90) == "1.5h"
    assert format(1440) == "1d"

def test_parse():
    assert parse("") == 0
    assert parse("42") == None
    assert parse("hey") == None
    assert parse("1h30") == None
    assert parse("1h30m") == None
    assert parse("17m") == 17
    assert parse("90m") == 90
    assert parse("1.5h") == 90
    assert parse("2d") == 2880