ilBuddyListTest.php

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<?php
/* Copyright (c) 1998-2015 ILIAS open source, Extended GPL, see docs/LICENSE */

class ilBuddyListTest extends PHPUnit_Framework_TestCase
{
        const BUDDY_LIST_OWNER_ID = -1;
        const BUDDY_LIST_BUDDY_ID = -2;

        protected $buddylist;

        public function setUp()
        {
                $GLOBALS['ilAppEventHandler'] = $this->getMockBuilder('ilAppEventHandler')->disableOriginalConstructor()->setMethods(array('raise'))->getMock();
        }

        public function testInstanceCanBeCreatedByGlobalUserObject()
        {
                $user = $this->getMockBuilder('ilObjUser')->disableOriginalConstructor()->setMethods(array('getId'))->getMock();
                $user->expects($this->once())->method('getId')->will($this->returnValue(self::BUDDY_LIST_OWNER_ID));
                $GLOBALS['ilUser'] = $user;

                ilBuddyList::getInstanceByGlobalUser();
        }

        public function testInstanceCannotBeCreatedByAnonymousGlobalUserObject()
        {
                $user = $this->getMockBuilder('ilObjUser')->disableOriginalConstructor()->setMethods(array('getId'))->getMock();
                $user->expects($this->once())->method('getId')->will($this->returnValue(ANONYMOUS_USER_ID));
                $GLOBALS['ilUser'] = $user;

                ilBuddyList::getInstanceByGlobalUser();
        }

        public function testInstanceByBeCreatedBySingletonMethod()
        {
                $relations = array(
                        4711 => new ilBuddySystemRelation(new ilBuddySystemUnlinkedRelationState()),
                        4712 => new ilBuddySystemRelation(new ilBuddySystemUnlinkedRelationState())
                );

                $buddylist       = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->setRelations(new ilBuddySystemRelationCollection($relations));
                $other_buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $other_buddylist->setRelations(new ilBuddySystemRelationCollection());

                $this->assertEquals($buddylist, $other_buddylist);
        }

        public function testListIsInitiallyEmpty()
        {
                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->exactly(1))->method('getAll')->willReturn(array());

                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setRepository($repo);

                $this->assertEmpty($buddylist->getRelations());
        }

        public function testRepositoryIsEnquiredToFetchRelationsWhenRequestedExplicitly()
        {
                $relations = array(
                        4711 => new ilBuddySystemRelation(new ilBuddySystemUnlinkedRelationState()),
                        4712 => new ilBuddySystemRelation(new ilBuddySystemUnlinkedRelationState())
                );

                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->exactly(1))->method('getAll')->willReturn($relations);

                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setRepository($repo);
                $this->assertEquals(new ilBuddySystemRelationCollection($relations), $buddylist->getRelations());
                $this->assertEquals(new ilBuddySystemRelationCollection($relations), $buddylist->getRelations());
                $this->assertEquals(new ilBuddySystemRelationCollection($relations), $buddylist->getRelations());
        }

        public function testRepositoryIsEnquiredOnlyOnceToFetchRelationsWhenCalledImplicitly()
        {
                $expected_relation = new ilBuddySystemRelation(new ilBuddySystemUnlinkedRelationState());
                $expected_relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $expected_relation->setBuddyUserId(self::BUDDY_LIST_BUDDY_ID);

                $relations = array(
                        $expected_relation->getBuddyUserId() => $expected_relation
                );

                $db = $this->getMockBuilder('ilDBMySQL')->disableOriginalConstructor()->setMethods(array('queryF', 'fetchAssoc'))->getMock();
                $db->expects($this->exactly(2))->method('queryF');
                $db->expects($this->exactly(2))->method('fetchAssoc')->will($this->returnValue(array(
                        'login' => 'phpunit'
                )));
                $GLOBALS['ilDB'] = $db;

                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->once())->method('getAll')->willReturn($relations);
                $repo->expects($this->exactly(3))->method('save')->with($expected_relation);

                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setRepository($repo);

                $relation = $buddylist->getRelationByUserId($expected_relation->getBuddyUserId());
                $buddylist->request($relation);
                $buddylist->unlink($relation);
                $buddylist->request($relation);
        }

        public function testRelationRequestCannotBeApprovedByTheRelationOwner()
        {
                $this->assertException(ilBuddySystemException::class);
                $expected_relation = new ilBuddySystemRelation(new ilBuddySystemUnlinkedRelationState());
                $expected_relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $expected_relation->setBuddyUserId(self::BUDDY_LIST_BUDDY_ID);

                $relations = array(
                        $expected_relation->getBuddyUserId() => $expected_relation
                );

                $db = $this->getMockBuilder('ilDBInterface')->getMock();
                $db->expects($this->once())->method('queryF');
                $db->expects($this->once())->method('fetchAssoc')->will($this->returnValue(array(
                        'login' => 'phpunit'
                )));
                $this->setGlobalVariable('ilDB', $db);

                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->once())->method('getAll')->willReturn($relations);
                $repo->expects($this->exactly(1))->method('save')->with($expected_relation);

                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setRepository($repo);

                $relation = $buddylist->getRelationByUserId($expected_relation->getBuddyUserId());
                $buddylist->request($relation);
                $buddylist->link($relation);
        }

        public function testRelationRequestCanBeApprovedByTheRelationTarget()
        {
                $expected_relation = new ilBuddySystemRelation(new ilBuddySystemUnlinkedRelationState());
                $expected_relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $expected_relation->setBuddyUserId(self::BUDDY_LIST_BUDDY_ID);

                $relations = array(
                        $expected_relation->getBuddyUserId() => $expected_relation
                );

                $db = $this->getMockBuilder('ilDBInterface')->getMock();
                $db->expects($this->any())->method('queryF');
                $db->expects($this->any())->method('fetchAssoc')->will($this->returnValue(array(
                        'login' => 'phpunit'
                )));
                $this->setGlobalVariable('ilDB', $db);

                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->any())->method('getAll')->willReturn($relations);
                $repo->expects($this->any())->method('save')->with($expected_relation);

                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setRepository($repo);
                $buddylist->request($expected_relation);

                $other_buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_BUDDY_ID);
                $other_buddylist->reset();
                $other_buddylist->setRepository($repo);
                $other_buddylist->link($expected_relation);
        }

        public function testRelationRequestCannotBeIgnoredByTheRelationOwner()
        {
                $expected_relation = new ilBuddySystemRelation(new ilBuddySystemUnlinkedRelationState());
                $expected_relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $expected_relation->setBuddyUserId(self::BUDDY_LIST_BUDDY_ID);

                $relations = array(
                        $expected_relation->getBuddyUserId() => $expected_relation
                );

                $db = $this->getMockBuilder('ilDBMySQL')->disableOriginalConstructor()->setMethods(array('queryF', 'fetchAssoc'))->getMock();
                $db->expects($this->once())->method('queryF');
                $db->expects($this->once())->method('fetchAssoc')->will($this->returnValue(array(
                        'login' => 'phpunit'
                )));
                $GLOBALS['ilDB'] = $db;

                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->once())->method('getAll')->willReturn($relations);
                $repo->expects($this->exactly(1))->method('save')->with($expected_relation);

                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setRepository($repo);

                $relation = $buddylist->getRelationByUserId($expected_relation->getBuddyUserId());
                $buddylist->request($relation);
                $buddylist->ignore($relation);
        }

        public function testRelationRequestCanBeIgnoredByTheRelationTarget()
        {
                $expected_relation = new ilBuddySystemRelation(new ilBuddySystemUnlinkedRelationState());
                $expected_relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $expected_relation->setBuddyUserId(self::BUDDY_LIST_BUDDY_ID);

                $relations = array(
                        $expected_relation->getBuddyUserId() => $expected_relation
                );

                $db = $this->getMockBuilder('ilDBMySQL')->disableOriginalConstructor()->setMethods(array('queryF', 'fetchAssoc'))->getMock();
                $db->expects($this->any())->method('queryF');
                $db->expects($this->any())->method('fetchAssoc')->will($this->returnValue(array(
                        'login' => 'phpunit'
                )));
                $GLOBALS['ilDB'] = $db;

                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->any())->method('getAll')->willReturn($relations);
                $repo->expects($this->any())->method('save')->with($expected_relation);

                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setRepository($repo);
                $buddylist->request($expected_relation);

                $other_buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_BUDDY_ID);
                $other_buddylist->reset();
                $other_buddylist->setRepository($repo);
                $other_buddylist->ignore($expected_relation);
        }

        public function testRelationCannotBeRequestedForAnonymous()
        {
                $expected_relation = new ilBuddySystemRelation(new ilBuddySystemUnlinkedRelationState());
                $expected_relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $expected_relation->setBuddyUserId(ANONYMOUS_USER_ID);

                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->never())->method('getAll')->willReturn(array());
                $repo->expects($this->never())->method('save');

                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setRepository($repo);
                $buddylist->request($expected_relation);
        }

        public function testRelationCannotBeRequestedForUnknownUserAccounts()
        {
                $expected_relation = new ilBuddySystemRelation(new ilBuddySystemUnlinkedRelationState());
                $expected_relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $expected_relation->setBuddyUserId(-3);

                $db = $this->getMockBuilder('ilDBMySQL')->disableOriginalConstructor()->setMethods(array('queryF', 'fetchAssoc'))->getMock();
                $db->expects($this->once())->method('queryF');
                $db->expects($this->once())->method('fetchAssoc')->will($this->returnValue(null));
                $GLOBALS['ilDB'] = $db;

                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->never())->method('getAll')->willReturn(array());
                $repo->expects($this->never())->method('save');

                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setRepository($repo);
                $buddylist->request($expected_relation);
        }

        public function testRepositoryIsEnquiredWhenBuddyListShouldBeDestroyed()
        {
                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->once())->method('destroy');

                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setRepository($repo);
                $buddylist->destroy();
        }

        public function testUnlinkedRelationIsReturnedWhenRelationWasRequestedForAUknownBuddyId()
        {
                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->once())->method('getAll')->willReturn(array());

                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setRepository($repo);
                $this->assertInstanceOf('ilBuddySystemUnlinkedRelationState', $buddylist->getRelationByUserId(-3)->getState());
        }

        public function testValuesCanBeFetchedByGettersWhenSetBySetters()
        {
                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setOwnerId(self::BUDDY_LIST_BUDDY_ID);
                $this->assertEquals(self::BUDDY_LIST_BUDDY_ID, $buddylist->getOwnerId());

                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->never())->method('getAll')->willReturn(array());
                $buddylist->setRepository($repo);
                $this->assertEquals($repo, $buddylist->getRepository());

                $relations = array(
                        self::BUDDY_LIST_BUDDY_ID => new ilBuddySystemRelation(new ilBuddySystemUnlinkedRelationState())
                );
                $buddylist->setRelations(new ilBuddySystemRelationCollection($relations));
                $this->assertEquals(new ilBuddySystemRelationCollection($relations), $buddylist->getRelations());
        }

        public function testDifferentRelationStatesCanBeRetrieved()
        {
                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();

                $relations = array();
        
                $relation = new ilBuddySystemRelation(new ilBuddySystemLinkedRelationState());
                $relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $relation->setBuddyUserId(self::BUDDY_LIST_BUDDY_ID);
                $relations[self::BUDDY_LIST_BUDDY_ID] = $relation;

                $relation = new ilBuddySystemRelation(new ilBuddySystemLinkedRelationState());
                $relation->setUserId(self::BUDDY_LIST_BUDDY_ID + 1);
                $relation->setBuddyUserId(self::BUDDY_LIST_OWNER_ID);
                $relations[self::BUDDY_LIST_BUDDY_ID + 1] = $relation;

                $relation = new ilBuddySystemRelation(new ilBuddySystemLinkedRelationState());
                $relation->setUserId(self::BUDDY_LIST_BUDDY_ID + 2);
                $relation->setBuddyUserId(self::BUDDY_LIST_OWNER_ID);
                $relations[self::BUDDY_LIST_BUDDY_ID + 2] = $relation;

                $relation = new ilBuddySystemRelation(new ilBuddySystemRequestedRelationState());
                $relation->setUserId(self::BUDDY_LIST_BUDDY_ID + 3);
                $relation->setBuddyUserId(self::BUDDY_LIST_OWNER_ID);
                $relations[self::BUDDY_LIST_BUDDY_ID + 3] = $relation;

                $relation = new ilBuddySystemRelation(new ilBuddySystemRequestedRelationState());
                $relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $relation->setBuddyUserId(self::BUDDY_LIST_BUDDY_ID + 4);
                $relations[self::BUDDY_LIST_BUDDY_ID + 4] = $relation;

                $relation = new ilBuddySystemRelation(new ilBuddySystemIgnoredRequestRelationState());
                $relation->setUserId(self::BUDDY_LIST_BUDDY_ID + 5);
                $relation->setBuddyUserId(self::BUDDY_LIST_OWNER_ID);
                $relations[self::BUDDY_LIST_BUDDY_ID + 5] = $relation;

                $relation = new ilBuddySystemRelation(new ilBuddySystemIgnoredRequestRelationState());
                $relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $relation->setBuddyUserId(self::BUDDY_LIST_BUDDY_ID + 6);
                $relations[self::BUDDY_LIST_BUDDY_ID + 6] = $relation;

                $relation = new ilBuddySystemRelation(new ilBuddySystemIgnoredRequestRelationState());
                $relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $relation->setBuddyUserId(self::BUDDY_LIST_BUDDY_ID + 7);
                $relations[self::BUDDY_LIST_BUDDY_ID + 7] = $relation;

                $repo = $this->getMockBuilder('ilBuddySystemRelationRepository')->disableOriginalConstructor()->getMock();
                $repo->expects($this->any())->method('getAll')->willReturn($relations);
                $buddylist->setRepository($repo);

                $this->assertCount(3, $buddylist->getLinkedRelations());
                $this->assertCount(1, $buddylist->getRequestRelationsForOwner());
                $this->assertCount(1, $buddylist->getRequestRelationsByOwner());
                $this->assertCount(1, $buddylist->getIgnoredRelationsForOwner());
                $this->assertCount(2, $buddylist->getIgnoredRelationsByOwner());
                $this->assertEquals(array_keys($relations), $buddylist->getRelationUserIds());
        }

        public function testExceptionIsThrownWhenNonNumericOwnerIdIsPassed()
        {
                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->setOwnerId("phpunit");
        }

        public function testExceptionIsThrownWhenRelationIsRequestedForANonNumericUserId()
        {
                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();
                $buddylist->getRelationByUserId("phpunit");
        }

        final private function setPriorRelationState(ilBuddySystemRelation $relation, ilBuddySystemRelationState $state)
        {
                $object = new ReflectionObject($relation);
                $property = $object->getProperty('prior_state');
                $property->setAccessible(true);

                $property->setValue($relation, $state);
        }
        
        public function testAlreadyGivenStateExceptionIsThrownWhenALinkedRelationShouldBeMarkedAsLinked()
        {
                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();

                $state = new ilBuddySystemLinkedRelationState();

                $relation = new ilBuddySystemRelation($state);
                $relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $relation->setBuddyUserId(self::BUDDY_LIST_BUDDY_ID);

                $this->setPriorRelationState($relation, $state);

                $buddylist->link($relation);
        }

        public function testAlreadyGivenStateExceptionIsThrownWhenAnIgnoredRelationShouldBeMarkedAsIgnored()
        {
                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();

                $state = new ilBuddySystemIgnoredRequestRelationState();

                $relation = new ilBuddySystemRelation($state);
                $relation->setUserId(self::BUDDY_LIST_BUDDY_ID);
                $relation->setBuddyUserId(self::BUDDY_LIST_OWNER_ID);

                $this->setPriorRelationState($relation, $state);

                $buddylist->ignore($relation);
        }

        public function testAlreadyGivenStateExceptionIsThrownWhenAnUnlinkedRelationShouldBeMarkedAsUnlinked()
        {
                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();

                $state = new ilBuddySystemUnlinkedRelationState();

                $relation = new ilBuddySystemRelation($state);
                $relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $relation->setBuddyUserId(self::BUDDY_LIST_BUDDY_ID);

                $this->setPriorRelationState($relation, $state);

                $buddylist->unlink($relation);
        }

        public function testAlreadyGivenStateExceptionIsThrownWhenARequestedRelationShouldBeMarkedAsRequested()
        {
                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();

                $state = new ilBuddySystemRequestedRelationState();

                $relation = new ilBuddySystemRelation($state);
                $relation->setUserId(self::BUDDY_LIST_BUDDY_ID);
                $relation->setBuddyUserId(self::BUDDY_LIST_OWNER_ID);

                $this->setPriorRelationState($relation, $state);

                $db = $this->getMockBuilder('ilDBInterface')->getMock();
                $db->expects($this->any())->method('fetchAssoc')->will($this->returnValue(array(
                        'login' => 'phpunit'
                )));
                $GLOBALS['ilDB'] = $db;

                $buddylist->request($relation);
        }

        public function testStateTransitionExceptionIsThrownWhenALinkedRelationShouldBeMarkedAsIgnored()
        {
                $this->assertException(ilBuddySystemRelationStateTransitionException::class);
                $buddylist = ilBuddyList::getInstanceByUserId(self::BUDDY_LIST_OWNER_ID);
                $buddylist->reset();

                $state = new ilBuddySystemLinkedRelationState();

                $relation = new ilBuddySystemRelation($state);
                $relation->setUserId(self::BUDDY_LIST_OWNER_ID);
                $relation->setBuddyUserId(self::BUDDY_LIST_BUDDY_ID);

                $this->setPriorRelationState($relation, $state);

                $buddylist->ignore($relation);
        }
}