def test_bytes_suffix_is_valid(self):
s = "7B"
actual = Memory.from_str(s)
expected = Memory(7)
assert actual == expected
def test_suffix_is_case_insensitive(self):
s = "500zb"
actual = Memory.from_str(s).bytes()
expected = Memory(500, Unit.ZETTA).bytes()
assert actual == expected
def test_multiple_spaces_between_size_and_suffix_is_valid(self):
s = "500 MB"
actual = Memory.from_str(s)
expected = Memory(500, Unit.MEGA)
assert actual == expected
def test_b_suffix_is_valid(self):
s = "500MB"
actual = Memory.from_str(s)
expected = Memory(500, Unit.MEGA)
assert actual == expected
def test_no_suffix_and_float_returns_bytes(self):
s = "500.8"
actual = Memory.from_str(s)
expected = Memory(500.8)
assert actual == expected
def test_no_suffix_returns_bytes(self):
s = "500"
actual = Memory.from_str(s)
expected = Memory(500)
assert actual == expected
def test_string_with_other_characters_raises_error(self):
s = "7KBY"
with pytest.raises(InvalidMemoryString):
Memory.from_str(s)
def test_invalid_suffix_raises_error(self):
s = "7LB"
with pytest.raises(InvalidMemoryString):
Memory.from_str(s)
def test_suffix_only_raises_error(self):
s = "TB"
with pytest.raises(InvalidMemoryString):
Memory.from_str(s)
def test_empty_string_raises_error(self):
s = ""
with pytest.raises(InvalidMemoryString):
Memory.from_str(s)