UnicodeTest.php 11.4 KB
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<?php

/**
 * @file
 * Contains \Drupal\Tests\Component\Utility\UnicodeTest.
 */

namespace Drupal\Tests\Component\Utility;

use Drupal\Tests\UnitTestCase;
use Drupal\Component\Utility\Unicode;

/**
 * Test unicode handling features implemented in Unicode component.
 */
class UnicodeTest extends UnitTestCase {

  public static function getInfo() {
    return array(
      'name' => 'Unicode handling',
      'description' => 'Tests Drupal Unicode handling.',
      'group' => 'System',
    );
  }

  public function setUp() {
    // Initialize unicode component.
    Unicode::check();
  }

  /**
   * Tests Unicode::getStatus() and Unicode::setStatus().
   *
   * @dataProvider providerTestStatus
   */
  public function testStatus($value, $expected, $invalid = FALSE) {
    if ($invalid) {
      $this->setExpectedException('InvalidArgumentException');
    }
    Unicode::setStatus($value);
    $this->assertEquals($expected, Unicode::getStatus());
  }

  /**
   * Data provider for testStatus().
   *
   * @see testStatus()
   *
   * @return array
   *   An array containing:
   *     - The status value to set.
   *     - The status value to expect after setting the new value.
   *     - (optional) Boolean indicating invalid status. Defaults to FALSE.
   */
  public function providerTestStatus() {
    return array(
      array(Unicode::STATUS_SINGLEBYTE, Unicode::STATUS_SINGLEBYTE),
      array(rand(10, 100), Unicode::STATUS_SINGLEBYTE, TRUE),
      array(rand(10, 100), Unicode::STATUS_SINGLEBYTE, TRUE),
      array(Unicode::STATUS_MULTIBYTE, Unicode::STATUS_MULTIBYTE),
      array(rand(10, 100), Unicode::STATUS_MULTIBYTE, TRUE),
      array(Unicode::STATUS_ERROR, Unicode::STATUS_ERROR),
      array(Unicode::STATUS_MULTIBYTE, Unicode::STATUS_MULTIBYTE),
    );
  }

  /**
   * Tests Unicode::mimeHeaderEncode() and Unicode::mimeHeaderDecode().
   *
   * @dataProvider providerTestMimeHeader
   */
  public function testMimeHeader($value, $encoded) {
    $this->assertEquals($encoded, Unicode::mimeHeaderEncode($value));
    $this->assertEquals($value, Unicode::mimeHeaderDecode($encoded));
  }

  /**
   * Data provider for testMimeHeader().
   *
   * @see testMimeHeader()
   *
   * @return array
   *   An array containing a string and its encoded value.
   */
  public function providerTestMimeHeader() {
    return array(
      array('tést.txt', '=?UTF-8?B?dMOpc3QudHh0?='),
    );
  }


  /**
   * Tests Unicode::strtolower().
   *
   * @dataProvider providerStrtolower
   */
  public function testStrtolower($text, $expected, $multibyte = FALSE) {
    $status = $multibyte ? Unicode::STATUS_MULTIBYTE : Unicode::STATUS_SINGLEBYTE;
    Unicode::setStatus($status);
    $this->assertEquals($expected, Unicode::strtolower($text));
  }

  /**
   * Data provider for testStrtolower().
   *
   * @see testStrtolower()
   *
   * @return array
   *   An array containing a string, its lowercase version and whether it should
   *   be processed as multibyte.
   */
  public function providerStrtolower() {
    $cases = array(
      array('tHe QUIcK bRoWn', 'the quick brown'),
      array('FrançAIS is ÜBER-åwesome', 'français is über-åwesome'),
    );
    foreach ($cases as $case) {
      // Test the same string both in multibyte and singlebyte conditions.
      array_push($case, TRUE);
      $cases[] = $case;
    }
    // Add a multibyte string.
    $cases[] = array('ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΣὨ', 'αβγδεζηθικλμνξοσὠ', TRUE);
    return $cases;
  }

  /**
   * Tests Unicode::strtoupper().
   *
   * @dataProvider providerStrtoupper
   */
  public function testStrtoupper($text, $expected, $multibyte = FALSE) {
    $status = $multibyte ? Unicode::STATUS_MULTIBYTE : Unicode::STATUS_SINGLEBYTE;
    Unicode::setStatus($status);
    $this->assertEquals($expected, Unicode::strtoupper($text));
  }

  /**
   * Data provider for testStrtoupper().
   *
   * @see testStrtoupper()
   *
   * @return array
   *   An array containing a string, its uppercase version and whether it should
   *   be processed as multibyte.
   */
  public function providerStrtoupper() {
    $cases = array(
      array('tHe QUIcK bRoWn', 'THE QUICK BROWN'),
      array('FrançAIS is ÜBER-åwesome', 'FRANÇAIS IS ÜBER-ÅWESOME'),
    );
    foreach ($cases as $case) {
      // Test the same string both in multibyte and singlebyte conditions.
      array_push($case, TRUE);
      $cases[] = $case;
    }
    // Add a multibyte string.
    $cases[] = array('αβγδεζηθικλμνξοσὠ', 'ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΣὨ', TRUE);
    return $cases;
  }

  /**
   * Tests Unicode::ucfirst().
   *
   * @dataProvider providerUcfirst
   */
  public function testUcfirst($text, $expected) {
    $this->assertEquals($expected, Unicode::ucfirst($text));
  }

  /**
   * Data provider for testUcfirst().
   *
   * @see testUcfirst()
   *
   * @return array
   *   An array containing a string and its uppercase first version.
   */
  public function providerUcfirst() {
    return array(
      array('tHe QUIcK bRoWn', 'THe QUIcK bRoWn'),
      array('françAIS', 'FrançAIS'),
      array('über', 'Über'),
      array('åwesome', 'Åwesome'),
      // A multibyte string.
      array('σion', 'Σion'),
    );
  }

  /**
   * Tests Unicode::strlen().
   *
   * @dataProvider providerStrlen
   */
  public function testStrlen($text, $expected) {
    $this->assertEquals($expected, Unicode::strlen($text));
  }

  /**
   * Data provider for testStrlen().
   *
   * @see testStrlen()
   *
   * @return array
   *   An array containing a string and its length.
   */
  public function providerStrlen() {
    return array(
      array('tHe QUIcK bRoWn', 15),
      array('ÜBER-åwesome', 12),
    );
  }

  /**
   * Tests Unicode::substr().
   *
   * @dataProvider providerSubstr
   */
  public function testSubstr($text, $start, $length, $expected) {
    $this->assertEquals($expected, Unicode::substr($text, $start, $length));
  }

  /**
   * Data provider for testSubstr().
   *
   * @see testSubstr()
   *
   * @return array
   *   An array containing:
   *     - The string to test.
   *     - The start number to be processed by substr.
   *     - The length number to be processed by substr.
   *     - The expected string result.
   */
  public function providerSubstr() {
    return array(
      array('frànçAIS is über-åwesome', 0, 0, ''),
      array('frànçAIS is über-åwesome', 0, 1, 'f'),
      array('frànçAIS is über-åwesome', 0, 8, 'frànçAIS'),
      array('frànçAIS is über-åwesome', 0, 23, 'frànçAIS is über-åwesom'),
      array('frànçAIS is über-åwesome', 0, 24, 'frànçAIS is über-åwesome'),
      array('frànçAIS is über-åwesome', 0, 25, 'frànçAIS is über-åwesome'),
      array('frànçAIS is über-åwesome', 0, 100, 'frànçAIS is über-åwesome'),
      array('frànçAIS is über-åwesome', 4, 4, 'çAIS'),
      array('frànçAIS is über-åwesome', 1, 0, ''),
      array('frànçAIS is über-åwesome', 100, 0, ''),
      array('frànçAIS is über-åwesome', -4, 2, 'so'),
      array('frànçAIS is über-åwesome', -4, 3, 'som'),
      array('frànçAIS is über-åwesome', -4, 4, 'some'),
      array('frànçAIS is über-åwesome', -4, 5, 'some'),
      array('frànçAIS is über-åwesome', -7, 10, 'åwesome'),
      array('frànçAIS is über-åwesome', 5, -10, 'AIS is üb'),
      array('frànçAIS is über-åwesome', 0, -10, 'frànçAIS is üb'),
      array('frànçAIS is über-åwesome', 0, -1, 'frànçAIS is über-åwesom'),
      array('frànçAIS is über-åwesome', -7, -2, 'åweso'),
      array('frànçAIS is über-åwesome', -7, -6, 'å'),
      array('frànçAIS is über-åwesome', -7, -7, ''),
      array('frànçAIS is über-åwesome', -7, -8, ''),
      array('...', 0, 2, '..'),
      array('以呂波耳・ほへとち。リヌルヲ。', 1, 3, '呂波耳'),
    );
  }

  /**
   * Tests Unicode::truncate().
   *
   * @dataProvider providerTruncate
   */
  public function testTruncate($text, $max_length, $expected, $wordsafe = FALSE, $add_ellipsis = FALSE) {
    Unicode::check();
    $this->assertEquals($expected, Unicode::truncate($text, $max_length, $wordsafe, $add_ellipsis));
  }

  /**
   * Data provider for testTruncate().
   *
   * @see testTruncate()
   *
   * @return array
   *   An array containing:
   *     - The string to test.
   *     - The max length to truncate this string to.
   *     - The expected string result.
   *     - (optional) Boolean for the $wordsafe flag. Defaults to FALSE.
   *     - (optional) Boolean for the $add_ellipsis flag. Defaults to FALSE.
   */
  public function providerTruncate() {
    return array(
      array('frànçAIS is über-åwesome', 24, 'frànçAIS is über-åwesome'),
      array('frànçAIS is über-åwesome', 23, 'frànçAIS is über-åwesom'),
      array('frànçAIS is über-åwesome', 17, 'frànçAIS is über-'),
      array('以呂波耳・ほへとち。リヌルヲ。', 6, '以呂波耳・ほ'),
      array('frànçAIS is über-åwesome', 24, 'frànçAIS is über-åwesome', FALSE, TRUE),
      array('frànçAIS is über-åwesome', 23, 'frànçAIS is über-åweso…', FALSE, TRUE),
      array('frànçAIS is über-åwesome', 17, 'frànçAIS is über…', FALSE, TRUE),
      array('123', 1, '…', TRUE, TRUE),
      array('123', 2, '1…', TRUE, TRUE),
      array('123', 3, '123', TRUE, TRUE),
      array('1234', 3, '12…', TRUE, TRUE),
      array('1234567890', 10, '1234567890', TRUE, TRUE),
      array('12345678901', 10, '123456789…', TRUE, TRUE),
      array('12345678901', 11, '12345678901', TRUE, TRUE),
      array('123456789012', 11, '1234567890…', TRUE, TRUE),
      array('12345 7890', 10, '12345 7890', TRUE, TRUE),
      array('12345 7890', 9, '12345…', TRUE, TRUE),
      array('123 567 90', 10, '123 567 90', TRUE, TRUE),
      array('123 567 901', 10, '123 567…', TRUE, TRUE),
      array('Stop. Hammertime.', 17, 'Stop. Hammertime.', TRUE, TRUE),
      array('Stop. Hammertime.', 16, 'Stop…', TRUE, TRUE),
      array('frànçAIS is über-åwesome', 24, 'frànçAIS is über-åwesome', TRUE, TRUE),
      array('frànçAIS is über-åwesome', 23, 'frànçAIS is über…', TRUE, TRUE),
      array('frànçAIS is über-åwesome', 17, 'frànçAIS is über…', TRUE, TRUE),
      array('¿Dónde está el niño?', 20, '¿Dónde está el niño?', TRUE, TRUE),
      array('¿Dónde está el niño?', 19, '¿Dónde está el…', TRUE, TRUE),
      array('¿Dónde está el niño?', 13, '¿Dónde está…', TRUE, TRUE),
      array('¿Dónde está el niño?', 10, '¿Dónde…', TRUE, TRUE),
      array('Help! Help! Help!', 17, 'Help! Help! Help!', TRUE, TRUE),
      array('Help! Help! Help!', 16, 'Help! Help!…', TRUE, TRUE),
      array('Help! Help! Help!', 15, 'Help! Help!…', TRUE, TRUE),
      array('Help! Help! Help!', 14, 'Help! Help!…', TRUE, TRUE),
      array('Help! Help! Help!', 13, 'Help! Help!…', TRUE, TRUE),
      array('Help! Help! Help!', 12, 'Help! Help!…', TRUE, TRUE),
      array('Help! Help! Help!', 11, 'Help! Help…', TRUE, TRUE),
      array('Help! Help! Help!', 10, 'Help!…', TRUE, TRUE),
      array('Help! Help! Help!', 9, 'Help!…', TRUE, TRUE),
      array('Help! Help! Help!', 8, 'Help!…', TRUE, TRUE),
      array('Help! Help! Help!', 7, 'Help!…', TRUE, TRUE),
      array('Help! Help! Help!', 6, 'Help!…', TRUE, TRUE),
      array('Help! Help! Help!', 5, 'Help…', TRUE, TRUE),
      array('Help! Help! Help!', 4, 'Hel…', TRUE, TRUE),
      array('Help! Help! Help!', 3, 'He…', TRUE, TRUE),
      array('Help! Help! Help!', 2, 'H…', TRUE, TRUE),
    );
  }

}