def test_named(self):
"""Do named caches work?"""
t = TestCaching.TestClass(x=4)
y = t.get_y()
# Setting the x prop should _not_ invalidate the cache for y
t.changed = False
t.set_x(17)
self.assertEqual(y, t.get_y())
self.assertFalse(t.changed)
# Setting the y prop should _not_ invalidate the cache for x
x = t.xprop
t.changed = False
t.set_y(1)
self.assertEqual(x, t.xprop)
self.assertFalse(t.changed)
# ... but it should invalidate the cache for y
self.assertEqual(t.get_y(), 1)
self.assertTrue(t.changed)
# ... and so should calling named reset
t.changed = False
t.y = 9
reset(t, "y_cache")
self.assertEqual(x, t.xprop)
self.assertFalse(t.changed)
self.assertEqual(t.get_y(), 9)
self.assertTrue(t.changed)
def test_named(self):
"""Do named caches work?"""
t = TestCaching.TestClass(x=4)
y = t.get_y()
# Setting the x prop should _not_ invalidate the cache for y
t.changed = False
t.set_x(17)
self.assertEqual(y, t.get_y())
self.assertFalse(t.changed)
# Setting the y prop should _not_ invalidate the cache for x
x = t.xprop
t.changed = False
t.set_y(1)
self.assertEqual(x, t.xprop)
self.assertFalse(t.changed)
# ... but it should invalidate the cache for y
self.assertEqual(t.get_y(), 1)
self.assertTrue(t.changed)
# ... and so should calling named reset
t.changed = False
t.y = 9
reset(t, "y_cache")
self.assertEqual(x, t.xprop)
self.assertFalse(t.changed)
self.assertEqual(t.get_y(), 9)
self.assertTrue(t.changed)
def test_reset(self):
"""Does manual reset work properly"""
t = TestCaching.TestClass(x=4)
self.assertEqual(t.xprop, 4)
t.changed = False
t.x = 17
self.assertEqual(t.xprop, 4)
self.assertFalse(t.changed)
reset(t)
self.assertEqual(t.xprop, 17)
self.assertTrue(t.changed)
def test_reset(self):
"""Does manual reset work properly"""
t = TestCaching.TestClass(x=4)
self.assertEqual(t.xprop, 4)
t.changed = False
t.x = 17
self.assertEqual(t.xprop, 4)
self.assertFalse(t.changed)
reset(t)
self.assertEqual(t.xprop, 17)
self.assertTrue(t.changed)
def test_set_cache(self):
"""Can we manually set the cache?"""
t = TestCaching.TestClass(x=4, y=1)
# Are set values used?
set_cache(t, "xprop", 99)
self.assertEqual(t.xprop, 99)
self.assertFalse(t.changed)
# Does reset bring back real value?
reset(t)
self.assertEqual(t.xprop, 4)
self.assertTrue(t.changed)
# Same for named prop
t.changed = False
set_cache(t, t.get_y.__name__, 7, "y_cache")
self.assertEqual(t.get_y(), 7)
self.assertFalse(t.changed)
reset(t, "y_cache")
self.assertEqual(t.get_y(), 1)
self.assertTrue(t.changed)
def test_set_cache(self):
"""Can we manually set the cache?"""
t = TestCaching.TestClass(x=4, y=1)
# Are set values used?
set_cache(t, "xprop", 99)
self.assertEqual(t.xprop, 99)
self.assertFalse(t.changed)
# Does reset bring back real value?
reset(t)
self.assertEqual(t.xprop, 4)
self.assertTrue(t.changed)
# Same for named prop
t.changed = False
set_cache(t, t.get_y.__name__, 7, "y_cache")
self.assertEqual(t.get_y(), 7)
self.assertFalse(t.changed)
reset(t, "y_cache")
self.assertEqual(t.get_y(), 1)
self.assertTrue(t.changed)