def test_validate_context_wrong():
"""A context that is wrong in various ways has a custom message."""
with pytest.raises(ValueError) as exc:
adventurelib._validate_context(".foo.bar.")
err = str(exc.value)
assert err == "Context '.foo.bar.' may not start with . or end with ."
def test_validate_context_double_dot():
"""A context that contains .. is invalid."""
with pytest.raises(ValueError) as exc:
adventurelib._validate_context("foo..bar")
assert str(exc.value) == "Context 'foo..bar' may not contain .."
def test_validate_context_end_dot():
"""A context that ends with . is invalid."""
with pytest.raises(ValueError) as exc:
adventurelib._validate_context("foo.bar.")
assert str(exc.value) == "Context 'foo.bar.' may not end with ."
def test_validate_context_start_dot():
"""A context that starts with . is invalid."""
with pytest.raises(ValueError) as exc:
adventurelib._validate_context(".foo")
assert str(exc.value) == "Context '.foo' may not start with ."
def test_validate_context_empty():
"""An empty string is not a valid context."""
with pytest.raises(ValueError) as exc:
adventurelib._validate_context("")
assert str(exc.value) == "Context '' may not be empty"
def test_validate_context(context):
"""We can validate valid contexts."""
adventurelib._validate_context(context)