public function testGetChange()
{
$o = [new stdClass(), (object) ['foo' => 'bar']];
$old = $new = ['foo' => 'foo', 'bar' => new ArraySnapshot(['foo', 'bar']), 'baz' => new ObjectSnapshot($o[0]), 'qux' => 'foo', 'fubar' => new ObjectSnapshot($o[1]), 'fubaz' => new ArraySnapshot(['foo', 'bar']), 'fuqux' => new ArraySnapshot(['foo']), 'kludge' => new ArraySnapshot(['foo']), 'xyzzy' => new ArraySnapshot(['foo'])];
$o[1]->foo = 'baz';
$new['foo'] = 'bar';
$new['bar'] = new ArraySnapshot(['foo', 'baz']);
$new['baz'] = new ObjectSnapshot($o[0]);
$new['qux'] = 42;
$new['fubar'] = new ObjectSnapshot($o[1]);
$new['fubaz'] = new ArraySnapshot(['foo', 'bar', 'baz']);
$new['fuqux'] = new ObjectSnapshot((object) []);
$new['kludge'] = 42;
$new['xyzzy'] = (object) [];
$set = new Set();
$set->compute(new Snapshot(['data' => $old]), new Snapshot(['data' => $new]));
$this->assertInstanceOf('Totem\\Change\\Modification', $set->getChange('fuqux'));
$this->assertInstanceOf('Totem\\Change\\Modification', $set->getChange('foo'));
$this->assertInstanceOf('Totem\\Set', $set->getChange('bar'));
$this->assertInstanceOf('Totem\\Change\\Modification', $set['foo']);
$this->assertInstanceOf('Totem\\Set', $set->getChange('fubar'));
$this->assertInstanceOf('Totem\\Change\\Modification', $set->getChange('fubar')->getChange('foo'));
$this->assertInstanceOf('Totem\\Change\\Modification', $set->getChange('kludge'));
$this->assertInstanceOf('Totem\\Change\\Modification', $set->getChange('xyzzy'));
}
class SetTest extends \PHPUnit_Framework_TestCase
{
/**
* @dataProvider invalidEntryProvider
*/
public function testSetChangesWithChangedStructure($old, $new, $class)
{
$old = new class($old) extends AbstractSnapshot
{
public function __construct($data)
{
$this->data = $data;
}
};
$new = new class($new) extends AbstractSnapshot
{
public function __construct($data)
{
$this->data = $data;
}
};
$set = new Set($old, $new);
$this->assertInstanceOf('Totem\\Change\\' . $class, $set->getChange('1'));
}
public function invalidEntryProvider()
{
return ['addition' => [['foo'], ['foo', 'bar'], 'Addition'], 'removal' => [['foo', 'bar'], ['foo'], 'Removal']];
}
public function testHasChanged()
{
$old = new class('foo', 'bar') extends AbstractSnapshot
{
public function __construct($foo, $bar)
{
$this->data = ['foo' => $foo, 'bar' => $bar];
}
};
$new = new class('foo', 'baz') extends AbstractSnapshot
{
public function __construct($foo, $bar)
{
$this->data = ['foo' => $foo, 'bar' => $bar];
}
};
$set = new Set($old, $new);
$this->assertFalse($set->hasChanged('foo'));
$this->assertFalse(isset($set['foo']));
$this->assertTrue($set->hasChanged('bar'));
$this->assertTrue(isset($set['bar']));
}
/**
* @expectedException OutOfBoundsException
*/
public function testGetChangeWithInvalidProperty()
{
$old = new class extends AbstractSnapshot
{
public function __construct()
{
$this->data = ['foo' => 'bar'];
}
};
$set = new Set($old, $old);
$set->getChange('foo');
}
// @todo to break up
public function testGetChange()
{
$o = [new stdClass(), (object) ['foo' => 'bar']];
$old = $new = ['foo' => 'foo', 'bar' => new ArraySnapshot(['foo', 'bar']), 'baz' => new ObjectSnapshot($o[0]), 'qux' => 'foo', 'fubar' => new ObjectSnapshot($o[1]), 'fubaz' => new ArraySnapshot(['foo', 'bar']), 'fuqux' => new ArraySnapshot(['foo']), 'kludge' => new ArraySnapshot(['foo']), 'xyzzy' => new ArraySnapshot(['foo'])];
$o[1]->foo = 'baz';
$new['foo'] = 'bar';
$new['bar'] = new ArraySnapshot(['foo', 'baz']);
$new['baz'] = new ObjectSnapshot($o[0]);
$new['qux'] = 42;
$new['fubar'] = new ObjectSnapshot($o[1]);
$new['fubaz'] = new ArraySnapshot(['foo', 'bar', 'baz']);
$new['fuqux'] = new ObjectSnapshot((object) []);
$new['kludge'] = 42;
$new['xyzzy'] = (object) [];
$old = new class($old) extends AbstractSnapshot
{
public function __construct($old)
{
$this->data = $old;
}
};
$new = new class($new) extends AbstractSnapshot
{
public function __construct($new)
{
$this->data = $new;
}
};
$set = new Set($old, $new);
$this->assertInstanceOf('Totem\\Change\\Modification', $set->getChange('fuqux'));
$this->assertInstanceOf('Totem\\Change\\Modification', $set->getChange('foo'));
$this->assertInstanceOf('Totem\\Set', $set->getChange('bar'));
$this->assertInstanceOf('Totem\\Change\\Modification', $set['foo']);
$this->assertInstanceOf('Totem\\Set', $set->getChange('fubar'));
$this->assertInstanceOf('Totem\\Change\\Modification', $set->getChange('fubar')->getChange('foo'));
$this->assertInstanceOf('Totem\\Change\\Modification', $set->getChange('kludge'));
$this->assertInstanceOf('Totem\\Change\\Modification', $set->getChange('xyzzy'));
}
public function testIterator()
{
$snapshot = new class extends AbstractSnapshot
{
public function __construct()
{
$this->data = ['foo' => 'bar'];
}
};
$set = new Set($snapshot, $snapshot);
$this->assertInstanceOf('ArrayIterator', $set->getIterator());
}
/**
* @expectedException BadMethodCallException
*/
public function testForbidenSetter()
{
$set = new Set();
$set[] = 'baz';
}
/**
* @expectedException BadMethodCallException
*/
public function testForbidenUnsetter()
{
$set = new Set();
unset($set[0]);
}
/**
* @expectedException RuntimeException
* @expectedExceptionMessage The changeset was not computed yet !
*/
public function testHasChangedNotComputedShouldThrowException()
{
$set = new Set();
$set->hasChanged('foo');
}
/**
* @expectedException RuntimeException
* @expectedExceptionMessage The changeset was not computed yet !
*/
public function testNotComputedCountShouldThrowException()
{
$set = new Set();
count($set);
}
/**
* @expectedException RuntimeException
* @expectedExceptionMessage The changeset was not computed yet !
*/
public function testNotComputedIteratorShouldThrowException()
{
$set = new Set();
$set->getIterator();
}
public function testAlreadyComputedSetShouldNotRecompute()
{
$snapshot = new class extends AbstractSnapshot
{
};
$set = new Set($snapshot, $snapshot);
$set->compute($snapshot, $snapshot);
// force recomputation
}
public function testComputeCollections()
{
$old = $new = [['foo' => 'bar', 'baz' => 'fubar'], ['foo' => 'baz', 'baz' => 'fubar']];
$new[0]['baz'] = 'fubaz';
$old = new CollectionSnapshot($old, '[foo]');
$new = new CollectionSnapshot($new, '[foo]');
$set = new Set();
$set->compute($old, $new);
$this->assertContainsOnly('integer', array_keys(iterator_to_array($set)));
}
/** @dataProvider unaffectedSnapshotComputerProvider */
public function testUnaffectedCollections(AbstractSnapshot $origin, AbstractSnapshot $upstream)
{
$set = new Set($origin, $upstream);
$this->assertNotContainsOnly('integer', array_keys(iterator_to_array($set)));
}
public function unaffectedSnapshotComputerProvider()
{
$old = ['foo' => 'bar', 'baz' => 'fubar'];
return [[new CollectionSnapshot([$old], '[foo]'), new ArraySnapshot($old)], [new ArraySnapshot($old), new CollectionSnapshot([$old], '[foo]')], [new ArraySnapshot($old), new ArraySnapshot(array_merge($old, ['baz' => 'fubaz']))]];
}
}
