def test_state_transitions(self):
"""
Make sure we can't make unexpected status transitions.
The status transitions we expect are::
→ → → must_retry
↑ ↑ ↓
created → ready → submitted → approved
↓ ↑ ↓
↓ → → denied
"""
user = UserFactory.create()
attempt = SoftwareSecurePhotoVerification(user=user)
assert attempt.status == PhotoVerification.STATUS.created
# These should all fail because we're in the wrong starting state.
pytest.raises(VerificationException, attempt.submit)
pytest.raises(VerificationException, attempt.approve)
pytest.raises(VerificationException, attempt.deny)
pytest.raises(VerificationException, attempt.mark_must_retry)
pytest.raises(VerificationException, attempt.mark_submit)
# Now let's fill in some values so that we can pass the mark_ready() call
attempt.mark_ready()
assert attempt.status == PhotoVerification.STATUS.ready
# ready (can't approve or deny unless it's "submitted")
pytest.raises(VerificationException, attempt.approve)
pytest.raises(VerificationException, attempt.deny)
attempt.mark_must_retry()
attempt.mark_submit()
DENY_ERROR_MSG = '[{"photoIdReasons": ["Not provided"]}]'
# must_retry
attempt.status = PhotoVerification.STATUS.must_retry
attempt.system_error("System error")
attempt.mark_must_retry() # no-op
attempt.mark_submit()
attempt.approve()
attempt.status = PhotoVerification.STATUS.must_retry
attempt.deny(DENY_ERROR_MSG)
# submitted
attempt.status = PhotoVerification.STATUS.submitted
attempt.deny(DENY_ERROR_MSG)
attempt.status = PhotoVerification.STATUS.submitted
attempt.mark_must_retry()
attempt.status = PhotoVerification.STATUS.submitted
attempt.approve()
# approved
pytest.raises(VerificationException, attempt.submit)
pytest.raises(VerificationException, attempt.mark_must_retry)
pytest.raises(VerificationException, attempt.mark_submit)
attempt.approve() # no-op
attempt.system_error(
"System error") # no-op, something processed it without error
attempt.deny(DENY_ERROR_MSG)
# denied
pytest.raises(VerificationException, attempt.submit)
pytest.raises(VerificationException, attempt.mark_must_retry)
pytest.raises(VerificationException, attempt.mark_submit)
attempt.deny(DENY_ERROR_MSG) # no-op
attempt.system_error(
"System error") # no-op, something processed it without error
attempt.approve()
