policies/dummy: separate dummy policy from core into app

passbook/policies/dummy/models.py

@@ -0,0 +1,35 @@
+"""Dummy policy"""
+from random import SystemRandom
+from time import sleep
+
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+from structlog import get_logger
+
+from passbook.core.models import Policy
+from passbook.policies.types import PolicyRequest, PolicyResult
+
+LOGGER = get_logger()
+
+
+class DummyPolicy(Policy):
+    """Policy used for debugging the PolicyEngine. Returns a fixed result,
+    but takes a random time to process."""
+
+    result = models.BooleanField(default=False)
+    wait_min = models.IntegerField(default=5)
+    wait_max = models.IntegerField(default=30)
+
+    form = "passbook.policies.dummy.forms.DummyPolicyForm"
+
+    def passes(self, request: PolicyRequest) -> PolicyResult:
+        """Wait random time then return result"""
+        wait = SystemRandom().randrange(self.wait_min, self.wait_max)
+        LOGGER.debug("Policy waiting", policy=self, delay=wait)
+        sleep(wait)
+        return PolicyResult(self.result, "dummy")
+
+    class Meta:
+
+        verbose_name = _("Dummy Policy")
+        verbose_name_plural = _("Dummy Policies")