85 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			3.4 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
"""policy engine tests"""
 | 
						|
from django.core.cache import cache
 | 
						|
from django.test import TestCase
 | 
						|
 | 
						|
from passbook.core.models import User
 | 
						|
from passbook.policies.dummy.models import DummyPolicy
 | 
						|
from passbook.policies.engine import PolicyEngine
 | 
						|
from passbook.policies.expression.models import ExpressionPolicy
 | 
						|
from passbook.policies.models import Policy, PolicyBinding, PolicyBindingModel
 | 
						|
 | 
						|
 | 
						|
class TestPolicyEngine(TestCase):
 | 
						|
    """PolicyEngine tests"""
 | 
						|
 | 
						|
    def setUp(self):
 | 
						|
        cache.clear()
 | 
						|
        self.user = User.objects.create_user(username="policyuser")
 | 
						|
        self.policy_false = DummyPolicy.objects.create(
 | 
						|
            result=False, wait_min=0, wait_max=1
 | 
						|
        )
 | 
						|
        self.policy_true = DummyPolicy.objects.create(
 | 
						|
            result=True, wait_min=0, wait_max=1
 | 
						|
        )
 | 
						|
        self.policy_wrong_type = Policy.objects.create(name="wrong_type")
 | 
						|
        self.policy_raises = ExpressionPolicy.objects.create(
 | 
						|
            name="raises", expression="{{ 0/0 }}"
 | 
						|
        )
 | 
						|
 | 
						|
    def test_engine_empty(self):
 | 
						|
        """Ensure empty policy list passes"""
 | 
						|
        pbm = PolicyBindingModel.objects.create()
 | 
						|
        engine = PolicyEngine(pbm, self.user)
 | 
						|
        result = engine.build().result
 | 
						|
        self.assertEqual(result.passing, True)
 | 
						|
        self.assertEqual(result.messages, ())
 | 
						|
 | 
						|
    def test_engine(self):
 | 
						|
        """Ensure all policies passes (Mix of false and true -> false)"""
 | 
						|
        pbm = PolicyBindingModel.objects.create()
 | 
						|
        PolicyBinding.objects.create(target=pbm, policy=self.policy_false, order=0)
 | 
						|
        PolicyBinding.objects.create(target=pbm, policy=self.policy_true, order=1)
 | 
						|
        engine = PolicyEngine(pbm, self.user)
 | 
						|
        result = engine.build().result
 | 
						|
        self.assertEqual(result.passing, False)
 | 
						|
        self.assertEqual(result.messages, ("dummy",))
 | 
						|
 | 
						|
    def test_engine_negate(self):
 | 
						|
        """Test negate flag"""
 | 
						|
        pbm = PolicyBindingModel.objects.create()
 | 
						|
        PolicyBinding.objects.create(
 | 
						|
            target=pbm, policy=self.policy_true, negate=True, order=0
 | 
						|
        )
 | 
						|
        engine = PolicyEngine(pbm, self.user)
 | 
						|
        result = engine.build().result
 | 
						|
        self.assertEqual(result.passing, False)
 | 
						|
        self.assertEqual(result.messages, ("dummy",))
 | 
						|
 | 
						|
    def test_engine_policy_error(self):
 | 
						|
        """Test policy raising an error flag"""
 | 
						|
        pbm = PolicyBindingModel.objects.create()
 | 
						|
        PolicyBinding.objects.create(target=pbm, policy=self.policy_raises, order=0)
 | 
						|
        engine = PolicyEngine(pbm, self.user)
 | 
						|
        result = engine.build().result
 | 
						|
        self.assertEqual(result.passing, False)
 | 
						|
        self.assertEqual(result.messages, ("division by zero",))
 | 
						|
 | 
						|
    def test_engine_policy_type(self):
 | 
						|
        """Test invalid policy type"""
 | 
						|
        pbm = PolicyBindingModel.objects.create()
 | 
						|
        PolicyBinding.objects.create(target=pbm, policy=self.policy_wrong_type, order=0)
 | 
						|
        with self.assertRaises(TypeError):
 | 
						|
            engine = PolicyEngine(pbm, self.user)
 | 
						|
            engine.build()
 | 
						|
 | 
						|
    def test_engine_cache(self):
 | 
						|
        """Ensure empty policy list passes"""
 | 
						|
        pbm = PolicyBindingModel.objects.create()
 | 
						|
        PolicyBinding.objects.create(target=pbm, policy=self.policy_false, order=0)
 | 
						|
        engine = PolicyEngine(pbm, self.user)
 | 
						|
        self.assertEqual(len(cache.keys("policy_*")), 0)
 | 
						|
        self.assertEqual(engine.build().passing, False)
 | 
						|
        self.assertEqual(len(cache.keys("policy_*")), 1)
 | 
						|
        self.assertEqual(engine.build().passing, False)
 | 
						|
        self.assertEqual(len(cache.keys("policy_*")), 1)
 |