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'''
Task Coach - Your friendly task manager
Copyright (C) 2004-2014 Task Coach developers <developers@taskcoach.org>
Task Coach is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Task Coach is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
import test
from taskcoachlib import patterns
class CompositeTest(test.TestCase):
def setUp(self):
self.composite = patterns.Composite()
self.child = patterns.Composite()
def testNoParentByDefault(self):
self.failIf(self.composite.parent())
def testNoChildrenByDefault(self):
self.failIf(self.composite.children())
def testNoRecursiveChildrenByDefault(self):
self.failIf(self.composite.children(recursive=True))
def testNoAncestorsByDefault(self):
self.assertEqual([], self.composite.ancestors())
def testAddChild(self):
self.composite.addChild(self.child)
self.assertEqual([self.child], self.composite.children())
def testAddChild_SetsParentOfChild(self):
self.composite.addChild(self.child)
self.assertEqual(self.composite, self.child.parent())
def testRemoveChild(self):
self.composite.addChild(self.child)
self.composite.removeChild(self.child)
self.assertEqual([], self.composite.children())
def testRemoveChild_DoesNotResetParentOfChild(self):
self.composite.addChild(self.child)
self.composite.removeChild(self.child)
self.assertEqual(self.composite, self.child.parent())
def testCreateWithChildren(self):
objectWithChildren = patterns.Composite(children=[self.child])
self.assertEqual([self.child], objectWithChildren.children())
def testCreateWithParent(self):
objectWithParent = patterns.Composite(parent=self.composite)
self.assertEqual(self.composite, objectWithParent.parent())
def testCreateWithParentDoesNotAddObjectToParent(self):
patterns.Composite(parent=self.composite)
self.failIf(self.composite.children())
def testChildrenRecursive_WithoutGrandChildren(self):
self.composite.addChild(self.child)
self.assertEqual([self.child],
self.composite.children(recursive=True))
def testChildrenRecursive(self):
self.composite.addChild(self.child)
grandChild = patterns.Composite()
self.child.addChild(grandChild)
self.assertEqual([self.child, grandChild],
self.composite.children(recursive=True))
def testAncestorsWithTwoGenerations(self):
self.composite.addChild(self.child)
self.assertEqual([self.composite], self.child.ancestors())
def testAncestorsWithThreeGenerations(self):
grandChild = patterns.Composite()
self.composite.addChild(self.child)
self.child.addChild(grandChild)
self.assertEqual([self.composite, self.child], grandChild.ancestors())
def testCompositeIsItsOnlyFamilyByDefault(self):
self.assertEqual([self.composite], self.composite.family())
def testParentIsPartOfFamily(self):
self.composite.addChild(self.child)
self.assertEqual([self.composite, self.child], self.child.family())
def testChildIsPartOfFamily(self):
self.composite.addChild(self.child)
self.assertEqual([self.composite, self.child], self.composite.family())
def testSiblingsWithoutParentIsEmpty(self):
self.failIf(self.composite.siblings())
def testSiblingsWithoutSiblings(self):
self.composite.addChild(self.child)
self.failIf(self.child.siblings())
def testSiblingsWithOneSibling(self):
self.composite.addChild(self.child)
child2 = patterns.Composite()
self.composite.addChild(child2)
self.assertEqual([child2], self.child.siblings())
def testNewChild_HasCorrectParent(self):
child = self.composite.newChild()
self.assertEqual(self.composite, child.parent())
def testNewChild_NotInParentsChildren(self):
child = self.composite.newChild()
self.failIf(child in self.composite.children())
def testGetState(self):
self.assertEqual(dict(children=[], parent=None),
self.composite.__getstate__())
def testGetState_WithChildren(self):
self.composite.addChild(self.child)
state = self.composite.__getstate__()
self.assertEqual(dict(children=[state['children'][0]], parent=None),
state)
def testGetState_WithParent(self):
self.composite.addChild(self.child)
self.assertEqual(dict(children=[], parent=self.composite),
self.child.__getstate__())
def testSetState_Parent(self):
state = self.composite.__getstate__()
self.composite.setParent(self.child)
self.composite.__setstate__(state)
self.assertEqual(None, self.composite.parent())
def testSetState_Children(self):
state = self.composite.__getstate__()
self.composite.addChild(self.child)
self.composite.__setstate__(state)
self.assertEqual([], self.composite.children())
def testCopy(self):
copy = self.composite.copy()
self.assertEqual(copy.children(), self.composite.children())
def testCopy_AddChildrenAfterCopy(self):
copy = self.composite.copy()
self.composite.addChild(self.child)
self.failIf(self.child in copy.children())
def testCopy_WithChildren(self):
self.composite.addChild(self.child)
copy = self.composite.copy()
self.assertEqual(1, len(copy.children()))
def testCopy_WithChildren_ParentOfCopiedChildrenIsNewComposite(self):
self.composite.addChild(self.child)
copy = self.composite.copy()
self.assertEqual(copy, copy.children()[0].parent())
def testCopy_WithParent(self):
self.composite.addChild(self.child)
copy = self.child.copy()
self.assertEqual(self.child.parent(), copy.parent())
def testCopy_WithChildren_DoesNotCreateExtraChildrenForOriginal(self):
self.composite.addChild(self.child)
self.composite.copy()
self.assertEqual(1, len(self.composite.children()))
class ObservableCompositeTest(test.TestCase):
def setUp(self):
self.composite = patterns.ObservableComposite()
self.child = patterns.ObservableComposite()
def testAddChild(self):
eventType = self.composite.addChildEventType()
self.registerObserver(eventType)
self.composite.addChild(self.child)
self.assertEqual([patterns.Event(eventType, self.composite,
self.child)], self.events)
def testRemoveChild(self):
eventType = self.composite.removeChildEventType()
self.registerObserver(eventType)
self.composite.addChild(self.child)
self.composite.removeChild(self.child)
self.assertEqual([patterns.Event(eventType, self.composite,
self.child)], self.events)
def testModificationEventTypes(self):
self.assertEqual([self.composite.addChildEventType(),
self.composite.removeChildEventType()],
self.composite.modificationEventTypes())
def testSetState(self):
self.composite.addChild(self.child)
state = self.composite.__getstate__()
self.registerObserver(self.composite.removeChildEventType())
self.registerObserver(self.composite.addChildEventType())
self.composite.__setstate__(state)
self.assertEqual([], self.events)
class CompositeCollectionTest(test.TestCase):
def setUp(self):
self.composite = patterns.ObservableComposite()
self.composite2 = patterns.ObservableComposite()
self.collection = patterns.CompositeList()
def testInitialSize(self):
self.assertEqual(0, len(self.collection))
def testCreateWithInitialContent(self):
collection = patterns.CompositeList([self.composite])
self.assertEqual([self.composite], collection)
def testRootItems_NoItems(self):
self.assertEqual([], self.collection.rootItems())
def testRootItems_OneRootItem(self):
self.collection.append(self.composite)
self.assertEqual([self.composite], self.collection.rootItems())
def testRootItems_MultipleRootItems(self):
self.collection.extend([self.composite, self.composite2])
self.assertEqualLists([self.composite, self.composite2],
self.collection.rootItems())
def testRootItems_RootAndChildItems(self):
self.composite.addChild(self.composite2)
self.collection.extend([self.composite, self.composite2])
self.assertEqual([self.composite], self.collection.rootItems())
def testAddChild(self):
self.collection.extend([self.composite, self.composite2])
self.composite.addChild(self.composite2)
self.assertEqual([self.composite], self.collection.rootItems())
def testAddRootWithChildItems(self):
self.composite.addChild(self.composite2)
self.collection.append(self.composite)
self.assertEqualLists([self.composite, self.composite2],
self.collection)
def testAddRootWithChildItems_AddAllAtOnce(self):
self.composite.addChild(self.composite2)
self.collection.extend([self.composite, self.composite2])
self.assertEqualLists([self.composite, self.composite2],
self.collection)
def testAddRootWithChildItems_DoesNotAddChildToParent(self):
self.composite.addChild(self.composite2)
self.collection.extend([self.composite, self.composite2])
self.assertEqual([self.composite2], self.composite.children())
def testAddCompositeWithParentAddsItToParent(self):
self.collection.append(self.composite)
self.composite2.setParent(self.composite)
self.collection.append(self.composite2)
self.assertEqual([self.composite2], self.composite.children())
def testAddCompositeWithParentTriggersNotificationByParent(self):
self.registerObserver(self.composite.addChildEventType())
self.collection.append(self.composite)
self.composite2.setParent(self.composite)
self.collection.append(self.composite2)
expectedEvent = patterns.Event(self.composite.addChildEventType(),
self.composite, self.composite2)
self.assertEqual([expectedEvent], self.events)
def testRemoveChildFromCollectionRemovesChildFromParent(self):
self.collection.extend([self.composite, self.composite2])
self.composite.addChild(self.composite2)
self.collection.remove(self.composite2)
self.failIf(self.composite.children())
def testRemoveChildFromCollectionTriggersNotificationByParent(self):
self.registerObserver(self.composite.removeChildEventType())
self.collection.extend([self.composite, self.composite2])
self.composite.addChild(self.composite2)
self.collection.remove(self.composite2)
expectedEvent = patterns.Event(self.composite.removeChildEventType(),
self.composite, self.composite2)
self.assertEqual([expectedEvent], self.events)
def testRemoveCompositeWithChildRemovesChildToo(self):
self.composite.addChild(self.composite2)
grandChild = patterns.ObservableComposite()
self.composite2.addChild(grandChild)
self.collection.append(self.composite)
self.collection.remove(self.composite2)
self.assertEqual([self.composite], self.collection)
def testRemoveCompositeAndChildRemovesBoth(self):
self.composite.addChild(self.composite2)
grandChild = patterns.ObservableComposite()
self.composite2.addChild(grandChild)
self.collection.append(self.composite)
self.collection.removeItems([self.composite2, grandChild])
self.assertEqual([self.composite], self.collection)
def testRemoveChildWithChildren_CollectionNotificationContainsParentAndChild(self):
self.registerObserver(self.collection.removeItemEventType())
self.composite.addChild(self.composite2)
grandChild = patterns.ObservableComposite()
self.composite2.addChild(grandChild)
self.collection.append(self.composite)
self.collection.remove(self.composite2)
self.assertEqualLists([self.composite2, grandChild],
self.events[0].values(type=self.collection.removeItemEventType()))
def testRemoveCompositeWithChildrenDoesNotBreakParentChildRelation(self):
self.composite.addChild(self.composite2)
self.collection.append(self.composite)
self.collection.remove(self.composite)
self.assertEqual([self.composite2], self.composite.children())
def testRemoveChildAndThenAddingItAddsItToPreviousParentToo(self):
self.composite.addChild(self.composite2)
self.collection.append(self.composite)
self.collection.remove(self.composite2)
self.collection.append(self.composite2)
self.assertEqual([self.composite2], self.composite.children())
def testRemoveCompositeNotInCollection(self):
self.collection.remove(self.composite)
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