class SelectTest in Drupal 8

Same name and namespace in other branches

9 core/tests/Drupal/KernelTests/Core/Database/SelectTest.php \Drupal\KernelTests\Core\Database\SelectTest

Tests the Select query builder.

@group Database

Hierarchy

class \Drupal\KernelTests\KernelTestBase extends \PHPUnit\Framework\TestCase implements ServiceProviderInterface uses AssertContentTrait, AssertLegacyTrait, AssertHelperTrait, ConfigTestTrait, PhpunitCompatibilityTrait, RandomGeneratorTrait, TestRequirementsTrait
- class \Drupal\KernelTests\Core\Database\DatabaseTestBase
  - class \Drupal\KernelTests\Core\Database\SelectTest

Expanded class hierarchy of SelectTest

File

core/tests/Drupal/KernelTests/Core/Database/SelectTest.php, line 14

Namespace

Drupal\KernelTests\Core\Database

View source

class SelectTest extends DatabaseTestBase {

  /**
   * Tests rudimentary SELECT statements.
   */
  public function testSimpleSelect() {
    $query = $this->connection
      ->select('test');
    $query
      ->addField('test', 'name');
    $query
      ->addField('test', 'age', 'age');
    $num_records = $query
      ->countQuery()
      ->execute()
      ->fetchField();
    $this
      ->assertEqual($num_records, 4, 'Returned the correct number of rows.');
  }

  /**
   * Tests rudimentary SELECT statement with a COMMENT.
   */
  public function testSimpleComment() {
    $query = $this->connection
      ->select('test')
      ->comment('Testing query comments');
    $query
      ->addField('test', 'name');
    $query
      ->addField('test', 'age', 'age');
    $result = $query
      ->execute();
    $records = $result
      ->fetchAll();
    $query = (string) $query;
    $expected = "/* Testing query comments */";
    $this
      ->assertCount(4, $records, 'Returned the correct number of rows.');
    $this
      ->assertStringContainsString($expected, $query, 'The flattened query contains the comment string.');
  }

  /**
   * Tests query COMMENT system against vulnerabilities.
   */
  public function testVulnerableComment() {
    $query = $this->connection
      ->select('test')
      ->comment('Testing query comments */ SELECT nid FROM {node}; --');
    $query
      ->addField('test', 'name');
    $query
      ->addField('test', 'age', 'age');
    $result = $query
      ->execute();
    $records = $result
      ->fetchAll();
    $query = (string) $query;
    $expected = "/* Testing query comments  * / SELECT nid FROM {node}. -- */";

    // Check the returned number of rows.
    $this
      ->assertCount(4, $records);

    // Check that the flattened query contains the sanitized comment string.
    $this
      ->assertStringContainsString($expected, $query);
    $connection = Database::getConnection();
    foreach ($this
      ->makeCommentsProvider() as $test_set) {
      list($expected, $comments) = $test_set;
      $this
        ->assertEquals($expected, $connection
        ->makeComment($comments));
    }
  }

  /**
   * Provides expected and input values for testVulnerableComment().
   */
  public function makeCommentsProvider() {
    return [
      [
        '/*  */ ',
        [
          '',
        ],
      ],
      // Try and close the comment early.
      [
        '/* Exploit  * / DROP TABLE node. -- */ ',
        [
          'Exploit */ DROP TABLE node; --',
        ],
      ],
      // Variations on comment closing.
      [
        '/* Exploit  * / * / DROP TABLE node. -- */ ',
        [
          'Exploit */*/ DROP TABLE node; --',
        ],
      ],
      [
        '/* Exploit  *  * // DROP TABLE node. -- */ ',
        [
          'Exploit **// DROP TABLE node; --',
        ],
      ],
      // Try closing the comment in the second string which is appended.
      [
        '/* Exploit  * / DROP TABLE node. --. Another try  * / DROP TABLE node. -- */ ',
        [
          'Exploit */ DROP TABLE node; --',
          'Another try */ DROP TABLE node; --',
        ],
      ],
    ];
  }

  /**
   * Tests basic conditionals on SELECT statements.
   */
  public function testSimpleSelectConditional() {
    $query = $this->connection
      ->select('test');
    $name_field = $query
      ->addField('test', 'name');
    $age_field = $query
      ->addField('test', 'age', 'age');
    $query
      ->condition('age', 27);
    $result = $query
      ->execute();

    // Check that the aliases are being created the way we want.
    $this
      ->assertEqual($name_field, 'name', 'Name field alias is correct.');
    $this
      ->assertEqual($age_field, 'age', 'Age field alias is correct.');

    // Ensure that we got the right record.
    $record = $result
      ->fetch();
    $this
      ->assertEqual($record->{$name_field}, 'George', 'Fetched name is correct.');
    $this
      ->assertEqual($record->{$age_field}, 27, 'Fetched age is correct.');
  }

  /**
   * Tests SELECT statements with expressions.
   */
  public function testSimpleSelectExpression() {
    $query = $this->connection
      ->select('test');
    $name_field = $query
      ->addField('test', 'name');
    $age_field = $query
      ->addExpression("age*2", 'double_age');
    $query
      ->condition('age', 27);
    $result = $query
      ->execute();

    // Check that the aliases are being created the way we want.
    $this
      ->assertEqual($name_field, 'name', 'Name field alias is correct.');
    $this
      ->assertEqual($age_field, 'double_age', 'Age field alias is correct.');

    // Ensure that we got the right record.
    $record = $result
      ->fetch();
    $this
      ->assertEqual($record->{$name_field}, 'George', 'Fetched name is correct.');
    $this
      ->assertEqual($record->{$age_field}, 27 * 2, 'Fetched age expression is correct.');
  }

  /**
   * Tests SELECT statements with multiple expressions.
   */
  public function testSimpleSelectExpressionMultiple() {
    $query = $this->connection
      ->select('test');
    $name_field = $query
      ->addField('test', 'name');
    $age_double_field = $query
      ->addExpression("age*2");
    $age_triple_field = $query
      ->addExpression("age*3");
    $query
      ->condition('age', 27);
    $result = $query
      ->execute();

    // Check that the aliases are being created the way we want.
    $this
      ->assertEqual($age_double_field, 'expression', 'Double age field alias is correct.');
    $this
      ->assertEqual($age_triple_field, 'expression_2', 'Triple age field alias is correct.');

    // Ensure that we got the right record.
    $record = $result
      ->fetch();
    $this
      ->assertEqual($record->{$name_field}, 'George', 'Fetched name is correct.');
    $this
      ->assertEqual($record->{$age_double_field}, 27 * 2, 'Fetched double age expression is correct.');
    $this
      ->assertEqual($record->{$age_triple_field}, 27 * 3, 'Fetched triple age expression is correct.');
  }

  /**
   * Tests adding multiple fields to a SELECT statement at the same time.
   */
  public function testSimpleSelectMultipleFields() {
    $record = $this->connection
      ->select('test')
      ->fields('test', [
      'id',
      'name',
      'age',
      'job',
    ])
      ->condition('age', 27)
      ->execute()
      ->fetchObject();

    // Check that all fields we asked for are present.
    $this
      ->assertNotNull($record->id, 'ID field is present.');
    $this
      ->assertNotNull($record->name, 'Name field is present.');
    $this
      ->assertNotNull($record->age, 'Age field is present.');
    $this
      ->assertNotNull($record->job, 'Job field is present.');

    // Ensure that we got the right record.
    // Check that all fields we asked for are present.
    $this
      ->assertEqual($record->id, 2, 'ID field has the correct value.');
    $this
      ->assertEqual($record->name, 'George', 'Name field has the correct value.');
    $this
      ->assertEqual($record->age, 27, 'Age field has the correct value.');
    $this
      ->assertEqual($record->job, 'Singer', 'Job field has the correct value.');
  }

  /**
   * Tests adding all fields from a given table to a SELECT statement.
   */
  public function testSimpleSelectAllFields() {
    $record = $this->connection
      ->select('test')
      ->fields('test')
      ->condition('age', 27)
      ->execute()
      ->fetchObject();

    // Check that all fields we asked for are present.
    $this
      ->assertNotNull($record->id, 'ID field is present.');
    $this
      ->assertNotNull($record->name, 'Name field is present.');
    $this
      ->assertNotNull($record->age, 'Age field is present.');
    $this
      ->assertNotNull($record->job, 'Job field is present.');

    // Ensure that we got the right record.
    // Check that all fields we asked for are present.
    $this
      ->assertEqual($record->id, 2, 'ID field has the correct value.');
    $this
      ->assertEqual($record->name, 'George', 'Name field has the correct value.');
    $this
      ->assertEqual($record->age, 27, 'Age field has the correct value.');
    $this
      ->assertEqual($record->job, 'Singer', 'Job field has the correct value.');
  }

  /**
   * Tests that a comparison with NULL is always FALSE.
   */
  public function testNullCondition() {
    $this
      ->ensureSampleDataNull();
    $names = $this->connection
      ->select('test_null', 'tn')
      ->fields('tn', [
      'name',
    ])
      ->condition('age', NULL)
      ->execute()
      ->fetchCol();
    $this
      ->assertCount(0, $names, 'No records found when comparing to NULL.');
  }

  /**
   * Tests that we can find a record with a NULL value.
   */
  public function testIsNullCondition() {
    $this
      ->ensureSampleDataNull();
    $names = $this->connection
      ->select('test_null', 'tn')
      ->fields('tn', [
      'name',
    ])
      ->isNull('age')
      ->execute()
      ->fetchCol();
    $this
      ->assertCount(1, $names, 'Correct number of records found with NULL age.');
    $this
      ->assertEqual($names[0], 'Fozzie', 'Correct record returned for NULL age.');
  }

  /**
   * Tests that we can find a record without a NULL value.
   */
  public function testIsNotNullCondition() {
    $this
      ->ensureSampleDataNull();
    $names = $this->connection
      ->select('test_null', 'tn')
      ->fields('tn', [
      'name',
    ])
      ->isNotNull('tn.age')
      ->orderBy('name')
      ->execute()
      ->fetchCol();
    $this
      ->assertCount(2, $names, 'Correct number of records found withNOT NULL age.');
    $this
      ->assertEqual($names[0], 'Gonzo', 'Correct record returned for NOT NULL age.');
    $this
      ->assertEqual($names[1], 'Kermit', 'Correct record returned for NOT NULL age.');
  }

  /**
   * Tests that we can force a query to return an empty result.
   */
  public function testAlwaysFalseCondition() {
    $names = $this->connection
      ->select('test', 'test')
      ->fields('test', [
      'name',
    ])
      ->condition('age', 27)
      ->execute()
      ->fetchCol();
    $this
      ->assertCount(1, $names);
    $this
      ->assertSame($names[0], 'George');
    $names = $this->connection
      ->select('test', 'test')
      ->fields('test', [
      'name',
    ])
      ->condition('age', 27)
      ->alwaysFalse()
      ->execute()
      ->fetchCol();
    $this
      ->assertCount(0, $names);
  }

  /**
   * Tests that we can force an extended query to return an empty result.
   */
  public function testExtenderAlwaysFalseCondition() {
    $names = $this->connection
      ->select('test', 'test')
      ->extend('Drupal\\Core\\Database\\Query\\SelectExtender')
      ->fields('test', [
      'name',
    ])
      ->condition('age', 27)
      ->execute()
      ->fetchCol();
    $this
      ->assertCount(1, $names);
    $this
      ->assertSame($names[0], 'George');
    $names = $this->connection
      ->select('test', 'test')
      ->extend('Drupal\\Core\\Database\\Query\\SelectExtender')
      ->fields('test', [
      'name',
    ])
      ->condition('age', 27)
      ->alwaysFalse()
      ->execute()
      ->fetchCol();
    $this
      ->assertCount(0, $names);
  }

  /**
   * Tests that we can UNION multiple Select queries together.
   *
   * This is semantically equal to UNION DISTINCT, so we don't explicitly test
   * that.
   */
  public function testUnion() {
    $query_1 = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'name',
    ])
      ->condition('age', [
      27,
      28,
    ], 'IN');
    $query_2 = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'name',
    ])
      ->condition('age', 28);
    $query_1
      ->union($query_2);
    $names = $query_1
      ->execute()
      ->fetchCol();

    // Ensure we only get 2 records.
    $this
      ->assertCount(2, $names, 'UNION correctly discarded duplicates.');
    sort($names);
    $this
      ->assertEquals([
      'George',
      'Ringo',
    ], $names);
  }

  /**
   * Tests that we can UNION ALL multiple SELECT queries together.
   */
  public function testUnionAll() {
    $query_1 = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'name',
    ])
      ->condition('age', [
      27,
      28,
    ], 'IN');
    $query_2 = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'name',
    ])
      ->condition('age', 28);
    $query_1
      ->union($query_2, 'ALL');
    $names = $query_1
      ->execute()
      ->fetchCol();

    // Ensure we get all 3 records.
    $this
      ->assertCount(3, $names, 'UNION ALL correctly preserved duplicates.');
    $this
      ->assertEqual($names[0], 'George', 'First query returned correct first name.');
    $this
      ->assertEqual($names[1], 'Ringo', 'Second query returned correct second name.');
    $this
      ->assertEqual($names[2], 'Ringo', 'Third query returned correct name.');
  }

  /**
   * Tests that we can get a count query for a UNION Select query.
   */
  public function testUnionCount() {
    $query_1 = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'name',
      'age',
    ])
      ->condition('age', [
      27,
      28,
    ], 'IN');
    $query_2 = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'name',
      'age',
    ])
      ->condition('age', 28);
    $query_1
      ->union($query_2, 'ALL');
    $names = $query_1
      ->execute()
      ->fetchCol();
    $query_3 = $query_1
      ->countQuery();
    $count = $query_3
      ->execute()
      ->fetchField();

    // Ensure the counts match.
    $this
      ->assertEqual(count($names), $count, "The count query's result matched the number of rows in the UNION query.");
  }

  /**
   * Tests that we can UNION multiple Select queries together and set the ORDER.
   */
  public function testUnionOrder() {

    // This gives George and Ringo.
    $query_1 = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'name',
    ])
      ->condition('age', [
      27,
      28,
    ], 'IN');

    // This gives Paul.
    $query_2 = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'name',
    ])
      ->condition('age', 26);
    $query_1
      ->union($query_2);
    $query_1
      ->orderBy('name', 'DESC');
    $names = $query_1
      ->execute()
      ->fetchCol();

    // Ensure we get all 3 records.
    $this
      ->assertCount(3, $names, 'UNION returned rows from both queries.');

    // Ensure that the names are in the correct reverse alphabetical order,
    // regardless of which query they came from.
    $this
      ->assertEqual($names[0], 'Ringo', 'First query returned correct name.');
    $this
      ->assertEqual($names[1], 'Paul', 'Second query returned correct name.');
    $this
      ->assertEqual($names[2], 'George', 'Third query returned correct name.');
  }

  /**
   * Tests that we can UNION multiple Select queries together with and a LIMIT.
   */
  public function testUnionOrderLimit() {

    // This gives George and Ringo.
    $query_1 = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'name',
    ])
      ->condition('age', [
      27,
      28,
    ], 'IN');

    // This gives Paul.
    $query_2 = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'name',
    ])
      ->condition('age', 26);
    $query_1
      ->union($query_2);
    $query_1
      ->orderBy('name', 'DESC');
    $query_1
      ->range(0, 2);
    $names = $query_1
      ->execute()
      ->fetchCol();

    // Ensure we get all only 2 of the 3 records.
    $this
      ->assertCount(2, $names, 'UNION with a limit returned rows from both queries.');

    // Ensure that the names are in the correct reverse alphabetical order,
    // regardless of which query they came from.
    $this
      ->assertEqual($names[0], 'Ringo', 'First query returned correct name.');
    $this
      ->assertEqual($names[1], 'Paul', 'Second query returned correct name.');
  }

  /**
   * Tests that random ordering of queries works.
   *
   * We take the approach of testing the Drupal layer only, rather than trying
   * to test that the database's random number generator actually produces
   * random queries (which is very difficult to do without an unacceptable risk
   * of the test failing by accident).
   *
   * Therefore, in this test we simply run the same query twice and assert that
   * the two results are reordered versions of each other (as well as of the
   * same query without the random ordering). It is reasonable to assume that
   * if we run the same select query twice and the results are in a different
   * order each time, the only way this could happen is if we have successfully
   * triggered the database's random ordering functionality.
   */
  public function testRandomOrder() {

    // Use 52 items, so the chance that this test fails by accident will be the
    // same as the chance that a deck of cards will come out in the same order
    // after shuffling it (in other words, nearly impossible).
    $number_of_items = 52;
    while ($this->connection
      ->query("SELECT MAX(id) FROM {test}")
      ->fetchField() < $number_of_items) {
      $this->connection
        ->insert('test')
        ->fields([
        'name' => $this
          ->randomMachineName(),
      ])
        ->execute();
    }

    // First select the items in order and make sure we get an ordered list.
    $expected_ids = range(1, $number_of_items);
    $ordered_ids = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'id',
    ])
      ->range(0, $number_of_items)
      ->orderBy('id')
      ->execute()
      ->fetchCol();
    $this
      ->assertEqual($ordered_ids, $expected_ids, 'A query without random ordering returns IDs in the correct order.');

    // Now perform the same query, but instead choose a random ordering. We
    // expect this to contain a differently ordered version of the original
    // result.
    $randomized_ids = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'id',
    ])
      ->range(0, $number_of_items)
      ->orderRandom()
      ->execute()
      ->fetchCol();
    $this
      ->assertNotEqual($randomized_ids, $ordered_ids, 'A query with random ordering returns an unordered set of IDs.');
    $sorted_ids = $randomized_ids;
    sort($sorted_ids);
    $this
      ->assertEqual($sorted_ids, $ordered_ids, 'After sorting the random list, the result matches the original query.');

    // Now perform the exact same query again, and make sure the order is
    // different.
    $randomized_ids_second_set = $this->connection
      ->select('test', 't')
      ->fields('t', [
      'id',
    ])
      ->range(0, $number_of_items)
      ->orderRandom()
      ->execute()
      ->fetchCol();
    $this
      ->assertNotEqual($randomized_ids_second_set, $randomized_ids, 'Performing the query with random ordering a second time returns IDs in a different order.');
    $sorted_ids_second_set = $randomized_ids_second_set;
    sort($sorted_ids_second_set);
    $this
      ->assertEqual($sorted_ids_second_set, $sorted_ids, 'After sorting the second random list, the result matches the sorted version of the first random list.');
  }

  /**
   * Data provider for testRegularExpressionCondition().
   *
   * @return array[]
   *   Returns data-set elements with:
   *     - the expected result of the query
   *     - the table column to do the search on.
   *     - the regular expression pattern to search for.
   *     - the regular expression operator 'REGEXP' or 'NOT REGEXP'.
   */
  public function providerRegularExpressionCondition() {
    return [
      [
        [
          'John',
        ],
        'name',
        'hn$',
        'REGEXP',
      ],
      [
        [
          'Paul',
        ],
        'name',
        '^Pau',
        'REGEXP',
      ],
      [
        [
          'George',
          'Ringo',
        ],
        'name',
        'Ringo|George',
        'REGEXP',
      ],
      [
        [
          'Pete',
        ],
        'job',
        '#Drummer',
        'REGEXP',
      ],
      [
        [],
        'job',
        '#Singer',
        'REGEXP',
      ],
      [
        [
          'Paul',
          'Pete',
        ],
        'age',
        '2[6]',
        'REGEXP',
      ],
      [
        [
          'George',
          'Paul',
          'Pete',
          'Ringo',
        ],
        'name',
        'hn$',
        'NOT REGEXP',
      ],
      [
        [
          'George',
          'John',
          'Pete',
          'Ringo',
        ],
        'name',
        '^Pau',
        'NOT REGEXP',
      ],
      [
        [
          'John',
          'Paul',
          'Pete',
        ],
        'name',
        'Ringo|George',
        'NOT REGEXP',
      ],
      [
        [
          'George',
          'John',
          'Paul',
          'Ringo',
        ],
        'job',
        '#Drummer',
        'NOT REGEXP',
      ],
      [
        [
          'George',
          'John',
          'Paul',
          'Pete',
          'Ringo',
        ],
        'job',
        '#Singer',
        'NOT REGEXP',
      ],
      [
        [
          'George',
          'John',
          'Ringo',
        ],
        'age',
        '2[6]',
        'NOT REGEXP',
      ],
    ];
  }

  /**
   * Tests that filter by 'REGEXP' and 'NOT REGEXP' works as expected.
   *
   * @dataProvider providerRegularExpressionCondition
   */
  public function testRegularExpressionCondition($expected, $column, $pattern, $operator) {
    $database = $this->container
      ->get('database');
    $database
      ->insert('test')
      ->fields([
      'name' => 'Pete',
      'age' => 26,
      'job' => '#Drummer',
    ])
      ->execute();
    $query = $database
      ->select('test', 't');
    $query
      ->addField('t', 'name');
    $query
      ->condition("t.{$column}", $pattern, $operator);
    $result = $query
      ->execute()
      ->fetchCol();
    sort($result);
    $this
      ->assertEquals($expected, $result);
  }

  /**
   * Tests that aliases are renamed when they are duplicates.
   */
  public function testSelectDuplicateAlias() {
    $query = $this->connection
      ->select('test', 't');
    $alias1 = $query
      ->addField('t', 'name', 'the_alias');
    $alias2 = $query
      ->addField('t', 'age', 'the_alias');
    $this
      ->assertNotIdentical($alias1, $alias2, 'Duplicate aliases are renamed.');
  }

  /**
   * Tests that an invalid count query throws an exception.
   */
  public function testInvalidSelectCount() {
    try {

      // This query will fail because the table does not exist.
      // Normally it would throw an exception but we are suppressing
      // it with the throw_exception option.
      $options['throw_exception'] = FALSE;
      $this->connection
        ->select('some_table_that_does_not_exist', 't', $options)
        ->fields('t')
        ->countQuery()
        ->execute();
    } catch (\Exception $e) {
      $this
        ->fail('$options[\'throw_exception\'] is FALSE, but Exception thrown for invalid query.');
    }
    try {

      // This query will fail because the table does not exist.
      $this->connection
        ->select('some_table_that_does_not_exist', 't')
        ->fields('t')
        ->countQuery()
        ->execute();
      $this
        ->fail('No Exception thrown.');
    } catch (\Exception $e) {
      $this
        ->assertInstanceOf(DatabaseExceptionWrapper::class, $e);
    }
  }

  /**
   * Tests thrown exception for IN query conditions with an empty array.
   */
  public function testEmptyInCondition() {
    try {
      $this->connection
        ->select('test', 't')
        ->fields('t')
        ->condition('age', [], 'IN')
        ->execute();
      $this
        ->fail('Expected exception not thrown');
    } catch (InvalidQueryException $e) {
      $this
        ->assertEqual("Query condition 'age IN ()' cannot be empty.", $e
        ->getMessage());
    }
    try {
      $this->connection
        ->select('test', 't')
        ->fields('t')
        ->condition('age', [], 'NOT IN')
        ->execute();
      $this
        ->fail('Expected exception not thrown');
    } catch (InvalidQueryException $e) {
      $this
        ->assertEqual("Query condition 'age NOT IN ()' cannot be empty.", $e
        ->getMessage());
    }
  }

}

Members

Name	Modifiers	Type	Description	Overrides
AssertContentTrait::$content	protected	property	The current raw content.
AssertContentTrait::$drupalSettings	protected	property	The drupalSettings value from the current raw $content.
AssertContentTrait::$elements	protected	property	The XML structure parsed from the current raw $content.	1
AssertContentTrait::$plainTextContent	protected	property	The plain-text content of raw $content (text nodes).
AssertContentTrait::assertEscaped	protected	function	Passes if the raw text IS found escaped on the loaded page, fail otherwise.
AssertContentTrait::assertField	protected	function	Asserts that a field exists with the given name or ID.
AssertContentTrait::assertFieldById	protected	function	Asserts that a field exists with the given ID and value.
AssertContentTrait::assertFieldByName	protected	function	Asserts that a field exists with the given name and value.
AssertContentTrait::assertFieldByXPath	protected	function	Asserts that a field exists in the current page by the given XPath.
AssertContentTrait::assertFieldChecked	protected	function	Asserts that a checkbox field in the current page is checked.
AssertContentTrait::assertFieldsByValue	protected	function	Asserts that a field exists in the current page with a given Xpath result.
AssertContentTrait::assertLink	protected	function	Passes if a link with the specified label is found.
AssertContentTrait::assertLinkByHref	protected	function	Passes if a link containing a given href (part) is found.
AssertContentTrait::assertNoDuplicateIds	protected	function	Asserts that each HTML ID is used for just a single element.
AssertContentTrait::assertNoEscaped	protected	function	Passes if the raw text IS NOT found escaped on the loaded page, fail otherwise.
AssertContentTrait::assertNoField	protected	function	Asserts that a field does not exist with the given name or ID.
AssertContentTrait::assertNoFieldById	protected	function	Asserts that a field does not exist with the given ID and value.
AssertContentTrait::assertNoFieldByName	protected	function	Asserts that a field does not exist with the given name and value.
AssertContentTrait::assertNoFieldByXPath	protected	function	Asserts that a field does not exist or its value does not match, by XPath.
AssertContentTrait::assertNoFieldChecked	protected	function	Asserts that a checkbox field in the current page is not checked.
AssertContentTrait::assertNoLink	protected	function	Passes if a link with the specified label is not found.
AssertContentTrait::assertNoLinkByHref	protected	function	Passes if a link containing a given href (part) is not found.
AssertContentTrait::assertNoLinkByHrefInMainRegion	protected	function	Passes if a link containing a given href is not found in the main region.
AssertContentTrait::assertNoOption	protected	function	Asserts that a select option in the current page does not exist.
AssertContentTrait::assertNoOptionSelected	protected	function	Asserts that a select option in the current page is not checked.
AssertContentTrait::assertNoPattern	protected	function	Triggers a pass if the perl regex pattern is not found in raw content.
AssertContentTrait::assertNoRaw	protected	function	Passes if the raw text is NOT found on the loaded page, fail otherwise.
AssertContentTrait::assertNoText	protected	function	Passes if the page (with HTML stripped) does not contains the text.
AssertContentTrait::assertNoTitle	protected	function	Pass if the page title is not the given string.
AssertContentTrait::assertNoUniqueText	protected	function	Passes if the text is found MORE THAN ONCE on the text version of the page.
AssertContentTrait::assertOption	protected	function	Asserts that a select option in the current page exists.
AssertContentTrait::assertOptionByText	protected	function	Asserts that a select option with the visible text exists.
AssertContentTrait::assertOptionSelected	protected	function	Asserts that a select option in the current page is checked.
AssertContentTrait::assertOptionSelectedWithDrupalSelector	protected	function	Asserts that a select option in the current page is checked.
AssertContentTrait::assertOptionWithDrupalSelector	protected	function	Asserts that a select option in the current page exists.
AssertContentTrait::assertPattern	protected	function	Triggers a pass if the Perl regex pattern is found in the raw content.
AssertContentTrait::assertRaw	protected	function	Passes if the raw text IS found on the loaded page, fail otherwise.
AssertContentTrait::assertText	protected	function	Passes if the page (with HTML stripped) contains the text.
AssertContentTrait::assertTextHelper	protected	function	Helper for assertText and assertNoText.
AssertContentTrait::assertTextPattern	protected	function	Asserts that a Perl regex pattern is found in the plain-text content.
AssertContentTrait::assertThemeOutput	protected	function	Asserts themed output.
AssertContentTrait::assertTitle	protected	function	Pass if the page title is the given string.
AssertContentTrait::assertUniqueText	protected	function	Passes if the text is found ONLY ONCE on the text version of the page.
AssertContentTrait::assertUniqueTextHelper	protected	function	Helper for assertUniqueText and assertNoUniqueText.
AssertContentTrait::buildXPathQuery	protected	function	Builds an XPath query.
AssertContentTrait::constructFieldXpath	protected	function	Helper: Constructs an XPath for the given set of attributes and value.
AssertContentTrait::cssSelect	protected	function	Searches elements using a CSS selector in the raw content.
AssertContentTrait::getAllOptions	protected	function	Get all option elements, including nested options, in a select.
AssertContentTrait::getDrupalSettings	protected	function	Gets the value of drupalSettings for the currently-loaded page.
AssertContentTrait::getRawContent	protected	function	Gets the current raw content.
AssertContentTrait::getSelectedItem	protected	function	Get the selected value from a select field.
AssertContentTrait::getTextContent	protected	function	Retrieves the plain-text content from the current raw content.
AssertContentTrait::getUrl	protected	function	Get the current URL from the cURL handler.	1
AssertContentTrait::parse	protected	function	Parse content returned from curlExec using DOM and SimpleXML.
AssertContentTrait::removeWhiteSpace	protected	function	Removes all white-space between HTML tags from the raw content.
AssertContentTrait::setDrupalSettings	protected	function	Sets the value of drupalSettings for the currently-loaded page.
AssertContentTrait::setRawContent	protected	function	Sets the raw content (e.g. HTML).
AssertContentTrait::xpath	protected	function	Performs an xpath search on the contents of the internal browser.
AssertHelperTrait::castSafeStrings	protected static	function	Casts MarkupInterface objects into strings.
AssertLegacyTrait::assert	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertTrue() instead.
AssertLegacyTrait::assertEqual	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertEquals() instead.
AssertLegacyTrait::assertIdentical	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertSame() instead.
AssertLegacyTrait::assertIdenticalObject	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertEquals() instead.
AssertLegacyTrait::assertNotEqual	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertNotEquals() instead.
AssertLegacyTrait::assertNotIdentical	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertNotSame() instead.
AssertLegacyTrait::pass	protected	function	Deprecated Scheduled for removal in Drupal 10.0.0. Use self::assertTrue() instead.
AssertLegacyTrait::verbose	protected	function
ConfigTestTrait::configImporter	protected	function	Returns a ConfigImporter object to import test configuration.
ConfigTestTrait::copyConfig	protected	function	Copies configuration objects from source storage to target storage.
DatabaseTestBase::$connection	protected	property	The database connection for testing.
DatabaseTestBase::$modules	public static	property	Modules to enable. Overrides KernelTestBase::$modules	5
DatabaseTestBase::addSampleData	public static	function	Sets up our sample data.
DatabaseTestBase::ensureSampleDataNull	public	function	Sets up tables for NULL handling.
DatabaseTestBase::setUp	protected	function	Overrides KernelTestBase::setUp	1
KernelTestBase::$backupGlobals	protected	property	Back up and restore any global variables that may be changed by tests.
KernelTestBase::$backupStaticAttributes	protected	property	Back up and restore static class properties that may be changed by tests.
KernelTestBase::$backupStaticAttributesBlacklist	protected	property	Contains a few static class properties for performance.
KernelTestBase::$classLoader	protected	property
KernelTestBase::$configImporter	protected	property	@todo Move into Config test base class.	7
KernelTestBase::$configSchemaCheckerExclusions	protected static	property	An array of config object names that are excluded from schema checking.
KernelTestBase::$container	protected	property
KernelTestBase::$databasePrefix	protected	property
KernelTestBase::$preserveGlobalState	protected	property	Do not forward any global state from the parent process to the processes that run the actual tests.
KernelTestBase::$root	protected	property	The app root.
KernelTestBase::$runTestInSeparateProcess	protected	property	Kernel tests are run in separate processes because they allow autoloading of code from extensions. Running the test in a separate process isolates this behavior from other tests. Subclasses should not override this property.
KernelTestBase::$siteDirectory	protected	property
KernelTestBase::$strictConfigSchema	protected	property	Set to TRUE to strict check all configuration saved.	6
KernelTestBase::$vfsRoot	protected	property	The virtual filesystem root directory.
KernelTestBase::assertPostConditions	protected	function		1
KernelTestBase::bootEnvironment	protected	function	Bootstraps a basic test environment.
KernelTestBase::bootKernel	private	function	Bootstraps a kernel for a test.
KernelTestBase::config	protected	function	Configuration accessor for tests. Returns non-overridden configuration.
KernelTestBase::disableModules	protected	function	Disables modules for this test.
KernelTestBase::enableModules	protected	function	Enables modules for this test.
KernelTestBase::getConfigSchemaExclusions	protected	function	Gets the config schema exclusions for this test.
KernelTestBase::getDatabaseConnectionInfo	protected	function	Returns the Database connection info to be used for this test.	1
KernelTestBase::getDatabasePrefix	public	function
KernelTestBase::getExtensionsForModules	private	function	Returns Extension objects for $modules to enable.
KernelTestBase::getModulesToEnable	private static	function	Returns the modules to enable for this test.
KernelTestBase::initFileCache	protected	function	Initializes the FileCache component.
KernelTestBase::installConfig	protected	function	Installs default configuration for a given list of modules.
KernelTestBase::installEntitySchema	protected	function	Installs the storage schema for a specific entity type.
KernelTestBase::installSchema	protected	function	Installs database tables from a module schema definition.
KernelTestBase::isTestInIsolation Deprecated	protected	function	Returns whether the current test method is running in a separate process.
KernelTestBase::prepareTemplate	protected	function
KernelTestBase::register	public	function	Registers test-specific services. Overrides ServiceProviderInterface::register	26
KernelTestBase::render	protected	function	Renders a render array.	1
KernelTestBase::setInstallProfile	protected	function	Sets the install profile and rebuilds the container to update it.
KernelTestBase::setSetting	protected	function	Sets an in-memory Settings variable.
KernelTestBase::setUpBeforeClass	public static	function		1
KernelTestBase::setUpFilesystem	protected	function	Sets up the filesystem, so things like the file directory.	2
KernelTestBase::stop	protected	function	Stops test execution.
KernelTestBase::tearDown	protected	function		6
KernelTestBase::tearDownCloseDatabaseConnection	public	function	@after
KernelTestBase::vfsDump	protected	function	Dumps the current state of the virtual filesystem to STDOUT.
KernelTestBase::__get Deprecated	public	function	BC: Automatically resolve former KernelTestBase class properties.
KernelTestBase::__sleep	public	function	Prevents serializing any properties.
PhpunitCompatibilityTrait::getMock Deprecated	public	function	Returns a mock object for the specified class using the available method.
PhpunitCompatibilityTrait::setExpectedException Deprecated	public	function	Compatibility layer for PHPUnit 6 to support PHPUnit 4 code.
RandomGeneratorTrait::$randomGenerator	protected	property	The random generator.
RandomGeneratorTrait::getRandomGenerator	protected	function	Gets the random generator for the utility methods.
RandomGeneratorTrait::randomMachineName	protected	function	Generates a unique random string containing letters and numbers.	1
RandomGeneratorTrait::randomObject	public	function	Generates a random PHP object.
RandomGeneratorTrait::randomString	public	function	Generates a pseudo-random string of ASCII characters of codes 32 to 126.
RandomGeneratorTrait::randomStringValidate	public	function	Callback for random string validation.
SelectTest::makeCommentsProvider	public	function	Provides expected and input values for testVulnerableComment().
SelectTest::providerRegularExpressionCondition	public	function	Data provider for testRegularExpressionCondition().
SelectTest::testAlwaysFalseCondition	public	function	Tests that we can force a query to return an empty result.
SelectTest::testEmptyInCondition	public	function	Tests thrown exception for IN query conditions with an empty array.
SelectTest::testExtenderAlwaysFalseCondition	public	function	Tests that we can force an extended query to return an empty result.
SelectTest::testInvalidSelectCount	public	function	Tests that an invalid count query throws an exception.
SelectTest::testIsNotNullCondition	public	function	Tests that we can find a record without a NULL value.
SelectTest::testIsNullCondition	public	function	Tests that we can find a record with a NULL value.
SelectTest::testNullCondition	public	function	Tests that a comparison with NULL is always FALSE.
SelectTest::testRandomOrder	public	function	Tests that random ordering of queries works.
SelectTest::testRegularExpressionCondition	public	function	Tests that filter by 'REGEXP' and 'NOT REGEXP' works as expected.
SelectTest::testSelectDuplicateAlias	public	function	Tests that aliases are renamed when they are duplicates.
SelectTest::testSimpleComment	public	function	Tests rudimentary SELECT statement with a COMMENT.
SelectTest::testSimpleSelect	public	function	Tests rudimentary SELECT statements.
SelectTest::testSimpleSelectAllFields	public	function	Tests adding all fields from a given table to a SELECT statement.
SelectTest::testSimpleSelectConditional	public	function	Tests basic conditionals on SELECT statements.
SelectTest::testSimpleSelectExpression	public	function	Tests SELECT statements with expressions.
SelectTest::testSimpleSelectExpressionMultiple	public	function	Tests SELECT statements with multiple expressions.
SelectTest::testSimpleSelectMultipleFields	public	function	Tests adding multiple fields to a SELECT statement at the same time.
SelectTest::testUnion	public	function	Tests that we can UNION multiple Select queries together.
SelectTest::testUnionAll	public	function	Tests that we can UNION ALL multiple SELECT queries together.
SelectTest::testUnionCount	public	function	Tests that we can get a count query for a UNION Select query.
SelectTest::testUnionOrder	public	function	Tests that we can UNION multiple Select queries together and set the ORDER.
SelectTest::testUnionOrderLimit	public	function	Tests that we can UNION multiple Select queries together with and a LIMIT.
SelectTest::testVulnerableComment	public	function	Tests query COMMENT system against vulnerabilities.
StorageCopyTrait::replaceStorageContents	protected static	function	Copy the configuration from one storage to another and remove stale items.
TestRequirementsTrait::checkModuleRequirements	private	function	Checks missing module requirements.
TestRequirementsTrait::checkRequirements	protected	function	Check module requirements for the Drupal use case.	1
TestRequirementsTrait::getDrupalRoot	protected static	function	Returns the Drupal root directory.

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class SelectTest in Drupal 8

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