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Differences Between: [Versions 310 and 401] [Versions 39 and 401]

   1  <?php
   2  // This file is part of Moodle - http://moodle.org/
   3  //
   4  // Moodle is free software: you can redistribute it and/or modify
   5  // it under the terms of the GNU General Public License as published by
   6  // the Free Software Foundation, either version 3 of the License, or
   7  // (at your option) any later version.
   8  //
   9  // Moodle is distributed in the hope that it will be useful,
  10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  // GNU General Public License for more details.
  13  //
  14  // You should have received a copy of the GNU General Public License
  15  // along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
  16  
  17  namespace core_backup;
  18  
  19  use base_atom_struct_exception;
  20  use base_element_parent_exception;
  21  use base_element_struct_exception;
  22  use mock_base_attribute;
  23  use mock_base_final_element;
  24  use mock_base_nested_element;
  25  
  26  defined('MOODLE_INTERNAL') || die();
  27  
  28  // Include all the needed stuff
  29  require_once (__DIR__.'/fixtures/structure_fixtures.php');
  30  
  31  
  32  /**
  33   * Unit test case the base_nested_element class.
  34   *
  35   * Note: highly imbricated with base_final_element class
  36   *
  37   * @package   core_backup
  38   * @category  test
  39   * @copyright 2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}
  40   * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
  41   */
  42  class basenestedelement_test extends \basic_testcase {
  43  
  44      /**
  45       * Correct creation tests (attributes and final elements)
  46       */
  47      public function test_creation() {
  48          // Create instance with name, attributes and values and check all them
  49          $instance = new mock_base_nested_element('NAME', array('ATTR1', 'ATTR2'), array('VAL1', 'VAL2', 'VAL3'));
  50          $this->assertInstanceOf('base_nested_element', $instance);
  51          $this->assertEquals($instance->get_name(), 'NAME');
  52          $attrs = $instance->get_attributes();
  53          $this->assertTrue(is_array($attrs));
  54          $this->assertEquals(count($attrs), 2);
  55          $this->assertInstanceOf('base_attribute', $attrs['ATTR1']);
  56          $this->assertEquals($attrs['ATTR1']->get_name(), 'ATTR1');
  57          $this->assertNull($attrs['ATTR1']->get_value());
  58          $this->assertEquals($attrs['ATTR2']->get_name(), 'ATTR2');
  59          $this->assertNull($attrs['ATTR2']->get_value());
  60          $finals = $instance->get_final_elements();
  61          $this->assertTrue(is_array($finals));
  62          $this->assertEquals(count($finals), 3);
  63          $this->assertInstanceOf('base_final_element', $finals['VAL1']);
  64          $this->assertEquals($finals['VAL1']->get_name(), 'VAL1');
  65          $this->assertNull($finals['VAL1']->get_value());
  66          $this->assertEquals($finals['VAL1']->get_level(), 2);
  67          $this->assertInstanceOf('base_nested_element', $finals['VAL1']->get_parent());
  68          $this->assertEquals($finals['VAL2']->get_name(), 'VAL2');
  69          $this->assertNull($finals['VAL2']->get_value());
  70          $this->assertEquals($finals['VAL2']->get_level(), 2);
  71          $this->assertInstanceOf('base_nested_element', $finals['VAL1']->get_parent());
  72          $this->assertEquals($finals['VAL3']->get_name(), 'VAL3');
  73          $this->assertNull($finals['VAL3']->get_value());
  74          $this->assertEquals($finals['VAL3']->get_level(), 2);
  75          $this->assertInstanceOf('base_nested_element', $finals['VAL1']->get_parent());
  76          $this->assertNull($instance->get_parent());
  77          $this->assertEquals($instance->get_children(), array());
  78          $this->assertEquals($instance->get_level(), 1);
  79  
  80          // Create instance with name only
  81          $instance = new mock_base_nested_element('NAME');
  82          $this->assertInstanceOf('base_nested_element', $instance);
  83          $this->assertEquals($instance->get_name(), 'NAME');
  84          $this->assertEquals($instance->get_attributes(), array());
  85          $this->assertEquals($instance->get_final_elements(), array());
  86          $this->assertNull($instance->get_parent());
  87          $this->assertEquals($instance->get_children(), array());
  88          $this->assertEquals($instance->get_level(), 1);
  89  
  90          // Add some attributes
  91          $instance->add_attributes(array('ATTR1', 'ATTR2'));
  92          $attrs = $instance->get_attributes();
  93          $this->assertTrue(is_array($attrs));
  94          $this->assertEquals(count($attrs), 2);
  95          $this->assertEquals($attrs['ATTR1']->get_name(), 'ATTR1');
  96          $this->assertNull($attrs['ATTR1']->get_value());
  97          $this->assertEquals($attrs['ATTR2']->get_name(), 'ATTR2');
  98          $this->assertNull($attrs['ATTR2']->get_value());
  99  
 100          // And some more atributes
 101          $instance->add_attributes(array('ATTR3', 'ATTR4'));
 102          $attrs = $instance->get_attributes();
 103          $this->assertTrue(is_array($attrs));
 104          $this->assertEquals(count($attrs), 4);
 105          $this->assertEquals($attrs['ATTR1']->get_name(), 'ATTR1');
 106          $this->assertNull($attrs['ATTR1']->get_value());
 107          $this->assertEquals($attrs['ATTR2']->get_name(), 'ATTR2');
 108          $this->assertNull($attrs['ATTR2']->get_value());
 109          $this->assertEquals($attrs['ATTR3']->get_name(), 'ATTR3');
 110          $this->assertNull($attrs['ATTR3']->get_value());
 111          $this->assertEquals($attrs['ATTR4']->get_name(), 'ATTR4');
 112          $this->assertNull($attrs['ATTR4']->get_value());
 113  
 114          // Add some final elements
 115          $instance->add_final_elements(array('VAL1', 'VAL2', 'VAL3'));
 116          $finals = $instance->get_final_elements();
 117          $this->assertTrue(is_array($finals));
 118          $this->assertEquals(count($finals), 3);
 119          $this->assertEquals($finals['VAL1']->get_name(), 'VAL1');
 120          $this->assertNull($finals['VAL1']->get_value());
 121          $this->assertEquals($finals['VAL2']->get_name(), 'VAL2');
 122          $this->assertNull($finals['VAL2']->get_value());
 123          $this->assertEquals($finals['VAL3']->get_name(), 'VAL3');
 124          $this->assertNull($finals['VAL3']->get_value());
 125  
 126          // Add some more final elements
 127          $instance->add_final_elements('VAL4');
 128          $finals = $instance->get_final_elements();
 129          $this->assertTrue(is_array($finals));
 130          $this->assertEquals(count($finals), 4);
 131          $this->assertEquals($finals['VAL1']->get_name(), 'VAL1');
 132          $this->assertNull($finals['VAL1']->get_value());
 133          $this->assertEquals($finals['VAL2']->get_name(), 'VAL2');
 134          $this->assertNull($finals['VAL2']->get_value());
 135          $this->assertEquals($finals['VAL3']->get_name(), 'VAL3');
 136          $this->assertNull($finals['VAL3']->get_value());
 137          $this->assertEquals($finals['VAL4']->get_name(), 'VAL4');
 138          $this->assertNull($finals['VAL4']->get_value());
 139  
 140          // Get to_string() results (with values)
 141          $instance = new mock_base_nested_element('PARENT', array('ATTR1', 'ATTR2'), array('FINAL1', 'FINAL2', 'FINAL3'));
 142          $child1 = new mock_base_nested_element('CHILD1', null, new mock_base_final_element('FINAL4'));
 143          $child2 = new mock_base_nested_element('CHILD2', null, new mock_base_final_element('FINAL5'));
 144          $instance->add_child($child1);
 145          $instance->add_child($child2);
 146          $children = $instance->get_children();
 147          $final_elements = $children['CHILD1']->get_final_elements();
 148          $final_elements['FINAL4']->set_value('final4value');
 149          $final_elements['FINAL4']->add_attributes('ATTR4');
 150          $grandchild = new mock_base_nested_element('GRANDCHILD', new mock_base_attribute('ATTR5'));
 151          $child2->add_child($grandchild);
 152          $attrs = $grandchild->get_attributes();
 153          $attrs['ATTR5']->set_value('attr5value');
 154          $tostring = $instance->to_string(true);
 155          $this->assertTrue(strpos($tostring, 'PARENT (level: 1)') !== false);
 156          $this->assertTrue(strpos($tostring, ' => ') !== false);
 157          $this->assertTrue(strpos($tostring, '#FINAL4 (level: 3) => final4value') !== false);
 158          $this->assertTrue(strpos($tostring, '@ATTR5 => attr5value') !== false);
 159          $this->assertTrue(strpos($tostring, '#FINAL5 (level: 3) => not set') !== false);
 160  
 161          // Clean values
 162          $instance = new mock_base_nested_element('PARENT', array('ATTR1', 'ATTR2'), array('FINAL1', 'FINAL2', 'FINAL3'));
 163          $child1 = new mock_base_nested_element('CHILD1', null, new mock_base_final_element('FINAL4'));
 164          $child2 = new mock_base_nested_element('CHILD2', null, new mock_base_final_element('FINAL4'));
 165          $instance->add_child($child1);
 166          $instance->add_child($child2);
 167          $children = $instance->get_children();
 168          $final_elements = $children['CHILD1']->get_final_elements();
 169          $final_elements['FINAL4']->set_value('final4value');
 170          $final_elements['FINAL4']->add_attributes('ATTR4');
 171          $grandchild = new mock_base_nested_element('GRANDCHILD', new mock_base_attribute('ATTR4'));
 172          $child2->add_child($grandchild);
 173          $attrs = $grandchild->get_attributes();
 174          $attrs['ATTR4']->set_value('attr4value');
 175          $this->assertEquals($final_elements['FINAL4']->get_value(), 'final4value');
 176          $this->assertEquals($attrs['ATTR4']->get_value(), 'attr4value');
 177          $instance->clean_values();
 178          $this->assertNull($final_elements['FINAL4']->get_value());
 179          $this->assertNull($attrs['ATTR4']->get_value());
 180      }
 181  
 182      /**
 183       * Incorrect creation tests (attributes and final elements)
 184       */
 185      function test_wrong_creation() {
 186  
 187          // Create instance with invalid name
 188          try {
 189              $instance = new mock_base_nested_element('');
 190              $this->fail("Expecting base_atom_struct_exception exception, none occurred");
 191          } catch (\Exception $e) {
 192              $this->assertTrue($e instanceof base_atom_struct_exception);
 193          }
 194  
 195          // Create instance with incorrect (object) final element
 196          try {
 197              $obj = new \stdClass;
 198              $obj->name = 'test_attr';
 199              $instance = new mock_base_nested_element('TEST', null, $obj);
 200              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 201          } catch (\Exception $e) {
 202              $this->assertTrue($e instanceof base_element_struct_exception);
 203          }
 204  
 205          // Create instance with array containing incorrect (object) final element
 206          try {
 207              $obj = new \stdClass;
 208              $obj->name = 'test_attr';
 209              $instance = new mock_base_nested_element('TEST', null, array($obj));
 210              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 211          } catch (\Exception $e) {
 212              $this->assertTrue($e instanceof base_element_struct_exception);
 213          }
 214  
 215          // Create instance with array containing duplicate final elements
 216          try {
 217              $instance = new mock_base_nested_element('TEST', null, array('VAL1', 'VAL2', 'VAL1'));
 218              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 219          } catch (\Exception $e) {
 220              $this->assertTrue($e instanceof base_element_struct_exception);
 221          }
 222  
 223          // Try to get value of base_nested_element
 224          $instance = new mock_base_nested_element('TEST');
 225          try {
 226              $instance->get_value();
 227              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 228          } catch (\Exception $e) {
 229              $this->assertTrue($e instanceof base_element_struct_exception);
 230          }
 231  
 232          // Try to set value of base_nested_element
 233          $instance = new mock_base_nested_element('TEST');
 234          try {
 235              $instance->set_value('some_value');
 236              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 237          } catch (\Exception $e) {
 238              $this->assertTrue($e instanceof base_element_struct_exception);
 239          }
 240  
 241          // Try to clean one value of base_nested_element
 242          $instance = new mock_base_nested_element('TEST');
 243          try {
 244              $instance->clean_value('some_value');
 245              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 246          } catch (\Exception $e) {
 247              $this->assertTrue($e instanceof base_element_struct_exception);
 248          }
 249      }
 250  
 251      /**
 252       * Correct tree tests (children stuff)
 253       */
 254      function test_tree() {
 255  
 256          // Create parent and child instances, tree-ing them
 257          $parent = new mock_base_nested_element('PARENT');
 258          $child = new mock_base_nested_element('CHILD');
 259          $parent->add_child($child);
 260          $this->assertEquals($parent->get_children(), array('CHILD' => $child));
 261          $this->assertEquals($child->get_parent(), $parent);
 262          $check_children = $parent->get_children();
 263          $check_child = $check_children['CHILD'];
 264          $check_parent = $check_child->get_parent();
 265          $this->assertEquals($check_child->get_name(), 'CHILD');
 266          $this->assertEquals($check_parent->get_name(), 'PARENT');
 267          $this->assertEquals($check_child->get_level(), 2);
 268          $this->assertEquals($check_parent->get_level(), 1);
 269          $this->assertEquals($check_parent->get_children(), array('CHILD' => $child));
 270          $this->assertEquals($check_child->get_parent(), $parent);
 271  
 272          // Add parent to grandparent
 273          $grandparent = new mock_base_nested_element('GRANDPARENT');
 274          $grandparent->add_child($parent);
 275          $this->assertEquals($grandparent->get_children(), array('PARENT' => $parent));
 276          $this->assertEquals($parent->get_parent(), $grandparent);
 277          $this->assertEquals($parent->get_children(), array('CHILD' => $child));
 278          $this->assertEquals($child->get_parent(), $parent);
 279          $this->assertEquals($child->get_level(), 3);
 280          $this->assertEquals($parent->get_level(), 2);
 281          $this->assertEquals($grandparent->get_level(), 1);
 282  
 283          // Add grandchild to child
 284          $grandchild = new mock_base_nested_element('GRANDCHILD');
 285          $child->add_child($grandchild);
 286          $this->assertEquals($child->get_children(), array('GRANDCHILD' => $grandchild));
 287          $this->assertEquals($grandchild->get_parent(), $child);
 288          $this->assertEquals($grandchild->get_level(), 4);
 289          $this->assertEquals($child->get_level(), 3);
 290          $this->assertEquals($parent->get_level(), 2);
 291          $this->assertEquals($grandparent->get_level(), 1);
 292  
 293          // Add another child to parent
 294          $child2 = new mock_base_nested_element('CHILD2');
 295          $parent->add_child($child2);
 296          $this->assertEquals($parent->get_children(), array('CHILD' => $child, 'CHILD2' => $child2));
 297          $this->assertEquals($child2->get_parent(), $parent);
 298          $this->assertEquals($grandchild->get_level(), 4);
 299          $this->assertEquals($child->get_level(), 3);
 300          $this->assertEquals($child2->get_level(), 3);
 301          $this->assertEquals($parent->get_level(), 2);
 302          $this->assertEquals($grandparent->get_level(), 1);
 303      }
 304  
 305      /**
 306       * Incorrect tree tests (children stuff)
 307       */
 308      function test_wrong_tree() {
 309  
 310          // Add null object child
 311          $parent = new mock_base_nested_element('PARENT');
 312          $child = null;
 313          try {
 314              $parent->add_child($child);
 315              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 316          } catch (\Exception $e) {
 317              $this->assertTrue($e instanceof base_element_struct_exception);
 318          }
 319  
 320          // Add non base_element object child
 321          $parent = new mock_base_nested_element('PARENT');
 322          $child = new \stdClass();
 323          try {
 324              $parent->add_child($child);
 325              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 326          } catch (\Exception $e) {
 327              $this->assertTrue($e instanceof base_element_struct_exception);
 328          }
 329  
 330          // Add existing element (being parent)
 331          $parent = new mock_base_nested_element('PARENT');
 332          $child = new mock_base_nested_element('PARENT');
 333          try {
 334              $parent->add_child($child);
 335              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 336          } catch (\Exception $e) {
 337              $this->assertTrue($e instanceof base_element_struct_exception);
 338          }
 339  
 340          // Add existing element (being grandparent)
 341          $grandparent = new mock_base_nested_element('GRANDPARENT');
 342          $parent = new mock_base_nested_element('PARENT');
 343          $child = new mock_base_nested_element('GRANDPARENT');
 344          $grandparent->add_child($parent);
 345          try {
 346              $parent->add_child($child);
 347              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 348          } catch (\Exception $e) {
 349              $this->assertTrue($e instanceof base_element_struct_exception);
 350          }
 351  
 352          // Add existing element (being grandchild)
 353          $grandparent = new mock_base_nested_element('GRANDPARENT');
 354          $parent = new mock_base_nested_element('PARENT');
 355          $child = new mock_base_nested_element('GRANDPARENT');
 356          $parent->add_child($child);
 357          try {
 358              $grandparent->add_child($parent);
 359              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 360          } catch (\Exception $e) {
 361              $this->assertTrue($e instanceof base_element_struct_exception);
 362          }
 363  
 364          // Add existing element (being cousin)
 365          $grandparent = new mock_base_nested_element('GRANDPARENT');
 366          $parent1 = new mock_base_nested_element('PARENT1');
 367          $parent2 = new mock_base_nested_element('PARENT2');
 368          $child1 = new mock_base_nested_element('CHILD1');
 369          $child2 = new mock_base_nested_element('CHILD1');
 370          $grandparent->add_child($parent1);
 371          $parent1->add_child($child1);
 372          $parent2->add_child($child2);
 373          try {
 374              $grandparent->add_child($parent2);
 375              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 376          } catch (\Exception $e) {
 377              $this->assertTrue($e instanceof base_element_struct_exception);
 378          }
 379  
 380          // Add element to two parents
 381          $parent1 = new mock_base_nested_element('PARENT1');
 382          $parent2 = new mock_base_nested_element('PARENT2');
 383          $child = new mock_base_nested_element('CHILD');
 384          $parent1->add_child($child);
 385          try {
 386              $parent2->add_child($child);
 387              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 388          } catch (\Exception $e) {
 389              $this->assertTrue($e instanceof base_element_parent_exception);
 390          }
 391  
 392          // Add child element already used by own final elements
 393          $nested = new mock_base_nested_element('PARENT1', null, array('FINAL1', 'FINAL2'));
 394          $child = new mock_base_nested_element('FINAL2', null, array('FINAL3', 'FINAL4'));
 395          try {
 396              $nested->add_child($child);
 397              $this->fail("Expecting base_element_struct_exception exception, none occurred");
 398          } catch (\Exception $e) {
 399              $this->assertTrue($e instanceof base_element_struct_exception);
 400              $this->assertEquals($e->errorcode, 'baseelementchildnameconflict');
 401              $this->assertEquals($e->a, 'FINAL2');
 402          }
 403      }
 404  }