def test_add_pending(self):
"""
If a new option is added, it should fulfill pending requests
"""
pool = NextAvailablePool()
d = pool.get()
self.assertFalse(d.called)
pool.add('foo')
self.assertTrue(d.called, "Should fulfill pending request")
def test_remove_pending(self):
"""
If the option is in use, don't remove it until its done being used.
"""
pool = NextAvailablePool()
pool.add('foo')
a = yield pool.get()
b = pool.remove('foo')
self.assertFalse(b.called, "Don't remove it yet because it's being used")
pool.done(a)
self.assertEqual(self.successResultOf(b), 'foo')
def test_remove_twice(self):
"""
If you request removal twice, both removals will be fulfilled
"""
pool = NextAvailablePool()
pool.add('foo')
a = yield pool.get()
b = pool.remove('foo')
c = pool.remove('foo')
pool.done(a)
self.assertEqual(self.successResultOf(b), 'foo')
self.assertEqual(self.successResultOf(c), 'foo')
def test_list(self):
"""
You can list all the things in the pool
"""
pool = NextAvailablePool()
pool.add('foo')
pool.add('bar')
yield pool.get()
pool.add('choo')
pool.add('bozo')
yield pool.remove('bozo')
r = pool.list()
self.assertEqual(set(r), set(['foo', 'bar', 'choo']))
def test_common(self):
pool = NextAvailablePool()
pool.add('foo')
pool.add('bar')
a = yield pool.get()
yield pool.get()
c = pool.get()
self.assertFalse(c.called, "Shouldn't have any available")
yield pool.done(a)
self.assertTrue(c.called, "The pending request should get the "
"newly available thing")
def test_remove(self):
"""
If the option isn't being used, removal should happen immediately
"""
pool = NextAvailablePool()
pool.add('foo')
pool.add('bar')
r = yield pool.remove('foo')
self.assertEqual(r, 'foo')
a = yield pool.get()
self.assertEqual(a, 'bar')
b = pool.get()
self.assertEqual(b.called, False)
pool.done(a)
self.assertEqual(b.called, True)