def test_add_one_day():
ref_day = st.StarDate(2070)
assert 1 == ref_day.month
assert 1 == ref_day.day
later_day = ref_day + 1
assert 2070 == later_day.year
assert 2 == later_day.day
def test_next_year():
ref_day = st.StarDate(2080)
later_day = ref_day + 360
assert 2081 == later_day.year
assert 1 == later_day.month
assert 1 == later_day.day
def test_add_one_day_later_year():
ref_day = st.StarDate(2080)
later_day = ref_day + 1
assert 2080 == later_day.year
assert 1 == later_day.month
assert 2 == later_day.day
def test_add_more_than_a_month():
ref_day = st.StarDate(2080)
later_day = ref_day + 46
assert 2080 == later_day.year
assert 2 == later_day.month
assert 17 == later_day.day
def test_creation_with_day():
date = st.StarDate(2070, day=20)
assert 2070 == date.year
assert 1 == date.month
assert 20 == date.day
def test_creation_with_only_year_is_first_day():
date = st.StarDate(2070)
assert 1 == date.month
assert 1 == date.day
def test_creation_with_other_year():
date = st.StarDate(2080)
assert 2080 == date.year
assert 1 == date.month
assert 1 == date.day
def test_creation_with_month():
date = st.StarDate(2070, 5)
assert 2070 == date.year
assert 5 == date.month
assert 1 == date.day
def test_with_inconsistent_day():
with pytest.raises(ValueError):
st.StarDate(day=0)
with pytest.raises(ValueError):
st.StarDate(day=34)
def test_with_inconsistent_month():
with pytest.raises(ValueError):
st.StarDate(month=0)
with pytest.raises(ValueError):
st.StarDate(month=15)
def test_with_early_year():
with pytest.raises(ValueError):
st.StarDate(2060)
def test_start_location_none():
ship = m.Ship(None, m.StarDate())
assert ship.star is None
def test_can_set_location():
ship = m.Ship(None, m.StarDate())
ship.location = "here"
assert "here" == ship.star
assert "here" == ship.location