def test_len(self):
from grease.component import Component
c = Component()
c.set_world(world)
self.assertEqual(len(c), 0)
self.assertEqual(len(c.entities), 0)
entities = [TestEntity() for _ in range(50)]
[c.set(e) for e in entities]
self.assertEqual(len(c), 50)
self.assertEqual(len(c.entities), 50)
[c.remove(e) for e in entities[:25]]
self.assertEqual(len(c.entities), 25)
self.assertEqual(len(c), 50)
c.step(0)
self.assertEqual(len(c), 25)
self.assertEqual(len(c.entities), 25)
def test_len(self):
from grease.component import Component
c = Component()
c.set_world(world)
self.assertEqual(len(c), 0)
self.assertEqual(len(c.entities), 0)
entities = [TestEntity() for _ in range(50)]
[c.set(e) for e in entities]
self.assertEqual(len(c), 50)
self.assertEqual(len(c.entities), 50)
[c.remove(e) for e in entities[:25]]
self.assertEqual(len(c.entities), 25)
self.assertEqual(len(c), 50)
c.step(0)
self.assertEqual(len(c), 25)
self.assertEqual(len(c.entities), 25)
def test_step_updates_new_and_deleted_lists(self):
from grease.component import Component
c = Component(x=float, y=float)
c.set_world(world)
self.assertEqual(list(c.new_entities), [])
self.assertEqual(list(c.deleted_entities), [])
e1 = TestEntity()
e2 = TestEntity()
c.set(e1)
c.set(e2)
self.assertEqual(list(c.new_entities), [])
self.assertEqual(list(c.deleted_entities), [])
c.step(0)
self.assertEqual(list(c.new_entities), [e1, e2])
self.assertEqual(list(c.deleted_entities), [])
c.step(0)
self.assertEqual(list(c.new_entities), [])
self.assertEqual(list(c.deleted_entities), [])
del c[e1]
del c[e2]
self.assertEqual(list(c.new_entities), [])
self.assertEqual(list(c.deleted_entities), [])
c.step(0)
self.assertEqual(list(c.new_entities), [])
self.assertEqual(list(c.deleted_entities), [e1, e2])
def test_step_updates_new_and_deleted_lists(self):
from grease.component import Component
c = Component(x=float, y=float)
c.set_world(world)
self.assertEqual(list(c.new_entities), [])
self.assertEqual(list(c.deleted_entities), [])
e1 = TestEntity()
e2 = TestEntity()
c.set(e1)
c.set(e2)
self.assertEqual(list(c.new_entities), [])
self.assertEqual(list(c.deleted_entities), [])
c.step(0)
self.assertEqual(list(c.new_entities), [e1, e2])
self.assertEqual(list(c.deleted_entities), [])
c.step(0)
self.assertEqual(list(c.new_entities), [])
self.assertEqual(list(c.deleted_entities), [])
del c[e1]
del c[e2]
self.assertEqual(list(c.new_entities), [])
self.assertEqual(list(c.deleted_entities), [])
c.step(0)
self.assertEqual(list(c.new_entities), [])
self.assertEqual(list(c.deleted_entities), [e1, e2])
def test_remove_and_contains(self):
from grease.component import Component
c = Component()
c.set_world(world)
e1 = TestEntity()
e2 = TestEntity()
self.assertFalse(c.remove(e1))
c.set(e1)
c.set(e2)
self.assertTrue(c.remove(e1))
self.assertTrue(e1 in c)
c.step(0)
self.assertFalse(e1 in c)
self.assertTrue(e2 in c)
self.assertFalse(c.remove(e1))
c.step(0)
self.assertTrue(c.remove(e2))
self.assertTrue(e2 in c)
c.step(0)
self.assertFalse(e2 in c)
self.assertFalse(e2 in c)
def test_remove_and_contains(self):
from grease.component import Component
c = Component()
c.set_world(world)
e1 = TestEntity()
e2 = TestEntity()
self.assertFalse(c.remove(e1))
c.set(e1)
c.set(e2)
self.assertTrue(c.remove(e1))
self.assertTrue(e1 in c)
c.step(0)
self.assertFalse(e1 in c)
self.assertTrue(e2 in c)
self.assertFalse(c.remove(e1))
c.step(0)
self.assertTrue(c.remove(e2))
self.assertTrue(e2 in c)
c.step(0)
self.assertFalse(e2 in c)
self.assertFalse(e2 in c)
