def test_fetcher_without_name(self):
Action.clear()
with self.assertRaises(Exception) as cm:
class Foo42(Fetcher):
pass
self.assertEqual(
cm.exception.message,
"class 'Foo42' misses 'name' static member"
)
def test_action_extends_several_bases(self):
Action.clear()
with self.assertRaises(Exception) as cm:
class Fetch(Fetcher, Installer):
name = 'foo'
self.assertEqual(
cm.exception.message,
"Action class must extend exactly one of those classes: "
"Fetcher, Installer, PostInstaller"
)
def test_action_miss_base_class(self):
Action.clear()
with self.assertRaises(Exception) as cm:
class Fetch1(Action):
name = 'pouet'
self.assertEqual(
cm.exception.message,
"Action class must extend one of "
"those classes: Fetcher, Installer, PostInstaller"
)
def test_fetcher_already_registered(self):
Action.clear()
class Fetch1(Fetcher):
name = 'foo'
with self.assertRaises(Exception) as cm:
class Fetch2(Fetcher):
name = 'foo'
self.assertEqual(
cm.exception.message,
"Action 'foo' is already registered"
)
def test_fetcher_declaration(self):
Action.clear()
class Fetcher1(Fetcher):
name = 'foo1'
class Fetcher2(Fetcher):
name = 'foo2'
providers = ["foo"]
class Fetcher3(Fetcher):
name = 'foo3'
providers = ('foo1', 'foo2')
# test invalid provider type
with self.assertRaises(Exception):
class Fetcher4(Fetcher):
name = 'foo4'
providers = 42