def test_invalidate(self):
from zope.app.cache.ram import RAMCache
ob1 = ("loc1",)
ob2 = ("loc2",)
keywords = {"answer": 42}
keywords2 = {"answer": 41}
value = "true"
c = RAMCache()
key1 = RAMCache._buildKey(keywords)
key2 = RAMCache._buildKey(keywords)
key3 = RAMCache._buildKey(keywords2)
# Test invalidating entries with a keyword
c._getStorage().setEntry(ob1, key1, value)
c._getStorage().setEntry(ob2, key2, value)
c._getStorage().setEntry(ob2, key3, value)
c.invalidate(ob2, keywords)
c._getStorage().getEntry(ob1, key1)
self.assertRaises(KeyError, c._getStorage().getEntry, ob2, key2)
c._getStorage().getEntry(ob2, key3)
# Test deleting the whole object
c._getStorage().setEntry(ob1, key1, value)
c._getStorage().setEntry(ob2, key2, value)
c._getStorage().setEntry(ob2, key3, value)
c.invalidate(ob2)
self.assertRaises(KeyError, c._getStorage().getEntry, ob2, key2)
self.assertRaises(KeyError, c._getStorage().getEntry, ob2, key3)
c._getStorage().getEntry(ob1, key1)
# Try something that's not there
c.invalidate(('yadda',))
