def test_ItemSet_deleteAndCommit_itemIsDeleted(self):
items = ItemSet({"key1": 1})
items.begin_transaction()
items.delete("key1")
items.commit_transaction()
with self.assertRaises(KeyError):
items.get("key1")
def test_ItemSet_setAndCommit_getReturnsValue(self):
items = ItemSet()
items.begin_transaction()
items.set("key1", 1)
items.commit_transaction()
self.assertEquals(items.get("key1"), 1)
def test_ItemSet_Set2ItemSetsAndCommit_BothItemSetsAreSet(self):
itemset1 = ItemSet()
itemset2 = ItemSet()
tx = Transaction()
itemset1.set("testkey1", "value1", tx=tx)
itemset2.set("testkey2", "value2", tx=tx)
tx.commit()
self.assertEquals(itemset1.get("testkey1"), "value1")
self.assertEquals(itemset2.get("testkey2"), "value2")
def test_ItemSet_deleteAndCommit_itemIsDeleted(self):
items = ItemSet({"key1" : 1})
items.begin_transaction()
items.delete("key1")
items.commit_transaction()
with self.assertRaises(KeyError):
items.get("key1")
def test_ItemSet_setTwice_getReturnsSecondValue(self):
items = ItemSet()
items.begin_transaction()
items.set("key1", 1)
items.set("key1", 2)
items.commit_transaction()
self.assertEquals(items.get("key1"), 2)
def test_ItemSet_deleteTwice_raisesKeyError(self):
items = ItemSet({"key1": 1})
items.begin_transaction()
items.delete("key1")
with self.assertRaises(KeyError):
items.delete("key1")
def test_ItemSet_setAndCommit_getReturnsValue(self):
items = ItemSet()
items.begin_transaction()
items.set("key1", 1)
items.commit_transaction()
self.assertEquals(items.get("key1"), 1)
def test_ItemSet_setWithoutCommit_getThrowsKeyError(self):
items = ItemSet()
items.begin_transaction()
items.set("key1", 1)
with self.assertRaises(KeyError):
print items.get("key1")
def test_ItemSet_OnChangingEventRaisesException_CommitIsNotDone(self):
def callback(change):
raise Exception("error applying changes")
itemset = ItemSet()
itemset.ON_CHANGING.subscribe(callback)
itemset.begin_transaction()
itemset.set("key1", 1)
with self.assertRaises(Exception):
itemset.commit_transaction()
with self.assertRaises(KeyError):
itemset.get("key1")
def test_ItemSet_SetPlusDeleteInDifferentItemSetsAndCommit_BothItemSetsAreUpdated(self):
itemset1 = ItemSet()
itemset2 = ItemSet({"testkey2" : "value2"})
tx = Transaction()
itemset1.set("testkey1", "value1", tx=tx)
itemset2.delete("testkey2", tx=tx)
tx.commit()
self.assertEquals(itemset1.get("testkey1"), "value1")
with self.assertRaises(KeyError):
itemset2.get("testkey2")
def test_ItemSet_setTwice_getReturnsSecondValue(self):
items = ItemSet()
items.begin_transaction()
items.set("key1", 1)
items.set("key1", 2)
items.commit_transaction()
self.assertEquals(items.get("key1"), 2)
def test_ItemSet_OnChangingEventRaisesException_CommitIsNotDone(self):
def callback(change):
raise Exception("error applying changes")
itemset = ItemSet()
itemset.ON_CHANGING.subscribe(callback)
itemset.begin_transaction()
itemset.set("key1", 1)
with self.assertRaises(Exception):
itemset.commit_transaction()
with self.assertRaises(KeyError):
itemset.get("key1")
def test_ItemSet_deleteTwice_raisesKeyError(self):
items = ItemSet({"key1" : 1})
items.begin_transaction()
items.delete("key1")
with self.assertRaises(KeyError):
items.delete("key1")
def test_ItemSet_setWithoutCommit_getThrowsKeyError(self):
items = ItemSet()
items.begin_transaction()
items.set("key1", 1)
with self.assertRaises(KeyError):
print items.get("key1")
def test_ItemSet_Set2ItemSetsAndCommit_BothItemSetsAreSet(self):
itemset1 = ItemSet()
itemset2 = ItemSet()
tx = Transaction()
itemset1.set("testkey1", "value1", tx=tx)
itemset2.set("testkey2", "value2", tx=tx)
tx.commit()
self.assertEquals(itemset1.get("testkey1"), "value1")
self.assertEquals(itemset2.get("testkey2"), "value2")
def test_ItemSet_setAndDelete_getRaisesKeyError(self):
items = ItemSet()
items.begin_transaction()
items.set("key1", 1)
items.delete("key1")
items.commit_transaction()
with self.assertRaises(KeyError):
items.get("key1")
def test_ItemSet_delete_itemIsStillPresent(self):
items = ItemSet({"key1": 1})
items.begin_transaction()
items.delete("key1")
self.assertEquals(items.get("key1"), 1)
def test_ItemSet_deleteNotPresentItem_raisesKeyError(self):
items = ItemSet()
items.begin_transaction()
with self.assertRaises(KeyError):
items.delete("key1")
def test_ItemSet_deleteNotPresentItem_raisesKeyError(self):
items = ItemSet()
items.begin_transaction()
with self.assertRaises(KeyError):
items.delete("key1")
def test_ItemSet_setAndDelete_getRaisesKeyError(self):
items = ItemSet()
items.begin_transaction()
items.set("key1", 1)
items.delete("key1")
items.commit_transaction()
with self.assertRaises(KeyError):
items.get("key1")
def test_ItemSet_deleteWithoutCommit_itemIsStillPresent(self):
items = ItemSet({"key1" : 1})
items.begin_transaction()
items.delete("key1")
self.assertEquals(items.get("key1"), 1)
def test_ItemSet_SetPlusDeleteInDifferentItemSetsAndCommit_BothItemSetsAreUpdated(
self):
itemset1 = ItemSet()
itemset2 = ItemSet({"testkey2": "value2"})
tx = Transaction()
itemset1.set("testkey1", "value1", tx=tx)
itemset2.delete("testkey2", tx=tx)
tx.commit()
self.assertEquals(itemset1.get("testkey1"), "value1")
with self.assertRaises(KeyError):
itemset2.get("testkey2")
