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#!/usr/bin/env python
import unittest
from stone.cli_helpers import parse_route_attr_filter
class MockRoute():
"""Used to test filtering on a route's attrs."""
def __init__(self, attrs):
self.attrs = attrs
class TestCLI(unittest.TestCase):
def test_parse_route_attr_filter(self):
_, errs = parse_route_attr_filter('*=3')
self.assertNotEqual(len(errs), 0)
_, errs = parse_route_attr_filter('test')
self.assertEqual(len(errs), 1)
self.assertEqual(errs[0], 'Unexpected end of expression.')
_, errs = parse_route_attr_filter('hide=true)')
self.assertNotEqual(len(errs), 0)
_, errs = parse_route_attr_filter('(hide=true')
self.assertNotEqual(len(errs), 0)
_, errs = parse_route_attr_filter('hide=true and and size=1')
self.assertNotEqual(len(errs), 0)
# Test bool
expr, errs = parse_route_attr_filter('hide=true')
self.assertEqual(len(errs), 0)
self.assertTrue(expr.eval(MockRoute({'hide': True})))
self.assertFalse(expr.eval(MockRoute({'hide': 'true'})))
# Test int
expr, errs = parse_route_attr_filter('level=1')
self.assertEqual(len(errs), 0)
self.assertTrue(expr.eval(MockRoute({'level': 1})))
self.assertFalse(expr.eval(MockRoute({'level': 2})))
self.assertFalse(expr.eval(MockRoute({'level': '1'})))
self.assertFalse(expr.eval(MockRoute({})))
# Test float
expr, errs = parse_route_attr_filter('f=1.25')
self.assertEqual(len(errs), 0)
self.assertTrue(expr.eval(MockRoute({'f': 1.25})))
self.assertFalse(expr.eval(MockRoute({'f': 3})))
self.assertFalse(expr.eval(MockRoute({'f': '1.25'})))
self.assertFalse(expr.eval(MockRoute({})))
# Test string
expr, errs = parse_route_attr_filter('status="alpha"')
self.assertEqual(len(errs), 0)
self.assertTrue(expr.eval(MockRoute({'status': 'alpha'})))
self.assertFalse(expr.eval(MockRoute({'status': 'beta'})))
self.assertFalse(expr.eval(MockRoute({'status': 0})))
self.assertFalse(expr.eval(MockRoute({})))
# Test null
expr, errs = parse_route_attr_filter('status=null')
self.assertEqual(len(errs), 0)
self.assertTrue(expr.eval(MockRoute({'status': None})))
self.assertFalse(expr.eval(MockRoute({'status': 'beta'})))
self.assertFalse(expr.eval(MockRoute({'status': 0})))
self.assertTrue(expr.eval(MockRoute({})))
# Test conjunction: or
expr, errs = parse_route_attr_filter('a=1 or b=1')
self.assertEqual(len(errs), 0)
self.assertTrue(expr.eval(MockRoute({'a': 1})))
self.assertTrue(expr.eval(MockRoute({'b': 1})))
self.assertTrue(expr.eval(MockRoute({'a': 1, 'b': 1})))
self.assertTrue(expr.eval(MockRoute({'a': 1, 'b': 10})))
self.assertFalse(expr.eval(MockRoute({'a': '0', 'b': 0})))
self.assertFalse(expr.eval(MockRoute({'a': 0})))
self.assertFalse(expr.eval(MockRoute({})))
# Test conjunction: and
expr, errs = parse_route_attr_filter('a=1 and b=1')
self.assertEqual(len(errs), 0)
self.assertTrue(expr.eval(MockRoute({'a': 1, 'b': 1})))
self.assertFalse(expr.eval(MockRoute({'a': 1})))
self.assertFalse(expr.eval(MockRoute({'b': 1})))
self.assertFalse(expr.eval(MockRoute({'a': 1, 'b': 10})))
self.assertFalse(expr.eval(MockRoute({'a': '0', 'b': 0})))
self.assertFalse(expr.eval(MockRoute({'a': 0})))
self.assertFalse(expr.eval(MockRoute({})))
# Test multiple conjunctions
expr, errs = parse_route_attr_filter('a=1 or a=2 or a=3')
self.assertEqual(len(errs), 0)
self.assertTrue(expr.eval(MockRoute({'a': 1})))
self.assertTrue(expr.eval(MockRoute({'a': 2})))
self.assertTrue(expr.eval(MockRoute({'a': 3})))
self.assertFalse(expr.eval(MockRoute({'a': 4})))
# Test "and" has higher precendence than "or"
expr, errs = parse_route_attr_filter('a=1 or a=2 and b=3 and c=4')
self.assertEqual(len(errs), 0)
self.assertTrue(expr.eval(MockRoute({'a': 1})))
self.assertFalse(expr.eval(MockRoute({'a': 2})))
self.assertTrue(expr.eval(MockRoute({'a': 2, 'b': 3, 'c': 4})))
self.assertTrue(expr.eval(MockRoute({'a': 1, 'b': 3, 'c': 4})))
self.assertFalse(expr.eval(MockRoute({'a': 0, 'b': 3, 'c': 4})))
expr, errs = parse_route_attr_filter('a=2 and b=3 and c=4 or a=1')
self.assertEqual(len(errs), 0)
self.assertTrue(expr.eval(MockRoute({'a': 1})))
self.assertFalse(expr.eval(MockRoute({'a': 2})))
self.assertTrue(expr.eval(MockRoute({'a': 2, 'b': 3, 'c': 4})))
self.assertTrue(expr.eval(MockRoute({'a': 1, 'b': 3, 'c': 4})))
self.assertFalse(expr.eval(MockRoute({'a': 0, 'b': 3, 'c': 4})))
# Test parentheses for overriding precedence
expr, errs = parse_route_attr_filter('(a=1 or a=2) and b=3 and c=4')
self.assertEqual(len(errs), 0)
self.assertTrue(expr.eval(MockRoute({'a': 1, 'b': 3, 'c': 4})))
self.assertTrue(expr.eval(MockRoute({'a': 2, 'b': 3, 'c': 4})))
self.assertFalse(expr.eval(MockRoute({'a': 1})))
self.assertFalse(expr.eval(MockRoute({'a': 1, 'b': 3})))
if __name__ == '__main__':
unittest.main()
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