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Brett Santore
2015-09-14 11:13:28 -04:00
parent 58f0fc6d5f
commit bb469bd449
1 changed files with 40 additions and 20 deletions
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60
Behavioral/Memento/Tests/MementoTest.php
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@ -18,29 +18,45 @@ class MementoTest extends \PHPUnit_Framework_TestCase
$caretaker = new Caretaker(); $caretaker = new Caretaker();
$character = new \stdClass(); $character = new \stdClass();
$character->name = "Gandalf"; // new object // new object
$originator->setState($character); // connect Originator to character object $character->name = "Gandalf";
// connect Originator to character object
$originator->setState($character);
$character->name = "Gandalf the Grey"; // work on the object // work on the object
$character->race = "Maia"; // still change something $character->name = "Gandalf the Grey";
$snapshot = $originator->getStateAsMemento(); // time to save state // still change something
$caretaker->saveToHistory($snapshot); // put state to log $character->race = "Maia";
// time to save state
$snapshot = $originator->getStateAsMemento();
// put state to log
$caretaker->saveToHistory($snapshot);
$character->name = "Sauron"; // change something // change something
$character->race = "Ainur"; // and again $character->name = "Sauron";
$this->assertAttributeEquals($character, "state", $originator); // state inside the Originator was equally changed // and again
$character->race = "Ainur";
// state inside the Originator was equally changed
$this->assertAttributeEquals($character, "state", $originator);
$snapshot = $originator->getStateAsMemento(); // time to save another state // time to save another state
$caretaker->saveToHistory($snapshot); // put state to log $snapshot = $originator->getStateAsMemento();
// put state to log
$caretaker->saveToHistory($snapshot);
$rollback = $caretaker->getFromHistory(0); $rollback = $caretaker->getFromHistory(0);
$originator->restoreFromMemento($rollback); // return to first state // return to first state
$character = $rollback->getState(); // use character from old state $originator->restoreFromMemento($rollback);
// use character from old state
$character = $rollback->getState();
$this->assertEquals("Gandalf the Grey", $character->name); // yes, that what we need // yes, that what we need
$character->name = "Gandalf the White"; // make new changes $this->assertEquals("Gandalf the Grey", $character->name);
// make new changes
$character->name = "Gandalf the White";
$this->assertAttributeEquals($character, "state", $originator); // and Originator linked to actual object again // and Originator linked to actual object again
$this->assertAttributeEquals($character, "state", $originator);
} }
public function testStringState() public function testStringState()
@ -88,14 +104,18 @@ class MementoTest extends \PHPUnit_Framework_TestCase
$snapshot = $originator->getStateAsMemento(); $snapshot = $originator->getStateAsMemento();
$second_state = $snapshot->getState(); $second_state = $snapshot->getState();
$first_state->first_property = 1; // still actual // still actual
$second_state->second_property = 2; // just history $first_state->first_property = 1;
// just history
$second_state->second_property = 2;
$this->assertAttributeEquals($first_state, "state", $originator); $this->assertAttributeEquals($first_state, "state", $originator);
$this->assertAttributeNotEquals($second_state, "state", $originator); $this->assertAttributeNotEquals($second_state, "state", $originator);
$originator->restoreFromMemento($snapshot); $originator->restoreFromMemento($snapshot);
$first_state->first_property = 11; // now it lost state // now it lost state
$second_state->second_property = 22; // must be actual $first_state->first_property = 11;
// must be actual
$second_state->second_property = 22;
$this->assertAttributeEquals($second_state, "state", $originator); $this->assertAttributeEquals($second_state, "state", $originator);
$this->assertAttributeNotEquals($first_state, "state", $originator); $this->assertAttributeNotEquals($first_state, "state", $originator);
} }