def test_description_invalid():
"""Tests valid values of description."""
# Arrange
app = App()
# Act/Assert
with pytest.raises(ValueError):
app.description = ""
with pytest.raises(ValueError):
app.description = None
with pytest.raises(ValueError):
app.description = "x" * 251
def test_description():
"""Tests get/set of description."""
# Arrange
app = App()
# Act
expected = "My Description"
app.description = expected
actual = app.description
# Assert
assert expected == actual