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<?php
namespace Drupal\Tests\Component\Utility;
use Drupal\Component\Utility\Unicode;
use PHPUnit\Framework\TestCase;
use Symfony\Bridge\PhpUnit\ExpectDeprecationTrait;
/**
* Test unicode handling features implemented in Unicode component.
*
* @group Utility
*
* @coversDefaultClass \Drupal\Component\Utility\Unicode
*/
class UnicodeTest extends TestCase {
use ExpectDeprecationTrait;
/**
* Tests multibyte ucfirst.
*
* @dataProvider providerUcfirst
* @covers ::ucfirst
*/
public function testUcfirst($text, $expected) {
$this->assertEquals($expected, Unicode::ucfirst($text));
}
/**
* Data provider for testUcfirst().
*
* @see testUcfirst()
*
* @return array
* An array containing a string and its uppercase first version.
*/
public function providerUcfirst() {
// cSpell:disable
return [
['tHe QUIcK bRoWn', 'THe QUIcK bRoWn'],
['françAIS', 'FrançAIS'],
['über', 'Über'],
['åwesome', 'Åwesome'],
// A multibyte string.
['σion', 'Σion'],
];
// cSpell:enable
}
/**
* Tests multibyte lcfirst.
*
* @dataProvider providerLcfirst
* @covers ::lcfirst
*/
public function testLcfirst($text, $expected) {
$this->assertEquals($expected, Unicode::lcfirst($text));
}
/**
* Data provider for testLcfirst().
*
* @see testLcfirst()
*
* @return array
* An array containing a string and its lowercase version.
*/
public function providerLcfirst() {
// cSpell:disable
return [
['tHe QUIcK bRoWn', 'tHe QUIcK bRoWn'],
['FrançAIS is ÜBER-åwesome', 'françAIS is ÜBER-åwesome'],
['Über', 'über'],
['Åwesome', 'åwesome'],
// Add a multibyte string.
['ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΣὨ', 'αΒΓΔΕΖΗΘΙΚΛΜΝΞΟΣὨ'],
];
// cSpell:enable
}
/**
* Tests multibyte ucwords.
*
* @dataProvider providerUcwords
* @covers ::ucwords
*/
public function testUcwords($text, $expected) {
$this->assertEquals($expected, Unicode::ucwords($text));
}
/**
* Data provider for testUcwords().
*
* @see testUcwords()
*
* @return array
* An array containing a string and its capitalized version.
*/
public function providerUcwords() {
// cSpell:disable
return [
['tHe QUIcK bRoWn', 'THe QUIcK BRoWn'],
['françAIS', 'FrançAIS'],
['über', 'Über'],
['åwesome', 'Åwesome'],
// Make sure we don't mangle extra spaces.
['frànçAIS is über-åwesome', 'FrànçAIS Is Über-Åwesome'],
// Add a multibyte string.
['σion', 'Σion'],
];
// cSpell:enable
}
/**
* Tests multibyte truncate.
*
* @dataProvider providerTruncate
* @covers ::truncate
*/
public function testTruncate($text, $max_length, $expected, $wordsafe = FALSE, $add_ellipsis = FALSE) {
$this->assertEquals($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() {
// cSpell:disable
$tests = [
['frànçAIS is über-åwesome', 24, 'frànçAIS is über-åwesome'],
['frànçAIS is über-åwesome', 23, 'frànçAIS is über-åwesom'],
['frànçAIS is über-åwesome', 17, 'frànçAIS is über-'],
['以呂波耳・ほへとち。リヌルヲ。', 6, '以呂波耳・ほ'],
['frànçAIS is über-åwesome', 24, 'frànçAIS is über-åwesome', FALSE, TRUE],
['frànçAIS is über-åwesome', 23, 'frànçAIS is über-åweso…', FALSE, TRUE],
['frànçAIS is über-åwesome', 17, 'frànçAIS is über…', FALSE, TRUE],
['123', 1, '…', TRUE, TRUE],
['123', 2, '1…', TRUE, TRUE],
['123', 3, '123', TRUE, TRUE],
['1234', 3, '12…', TRUE, TRUE],
['1234567890', 10, '1234567890', TRUE, TRUE],
['12345678901', 10, '123456789…', TRUE, TRUE],
['12345678901', 11, '12345678901', TRUE, TRUE],
['123456789012', 11, '1234567890…', TRUE, TRUE],
['12345 7890', 10, '12345 7890', TRUE, TRUE],
['12345 7890', 9, '12345…', TRUE, TRUE],
['123 567 90', 10, '123 567 90', TRUE, TRUE],
['123 567 901', 10, '123 567…', TRUE, TRUE],
['Stop. Hammertime.', 17, 'Stop. Hammertime.', TRUE, TRUE],
['Stop. Hammertime.', 16, 'Stop…', TRUE, TRUE],
['frànçAIS is über-åwesome', 24, 'frànçAIS is über-åwesome', TRUE, TRUE],
['frànçAIS is über-åwesome', 23, 'frànçAIS is über…', TRUE, TRUE],
['frànçAIS is über-åwesome', 17, 'frànçAIS is über…', TRUE, TRUE],
['¿Dónde está el niño?', 20, '¿Dónde está el niño?', TRUE, TRUE],
['¿Dónde está el niño?', 19, '¿Dónde está el…', TRUE, TRUE],
['¿Dónde está el niño?', 13, '¿Dónde está…', TRUE, TRUE],
['¿Dónde está el niño?', 10, '¿Dónde…', TRUE, TRUE],
['Help! Help! Help!', 17, 'Help! Help! Help!', TRUE, TRUE],
['Help! Help! Help!', 16, 'Help! Help!…', TRUE, TRUE],
['Help! Help! Help!', 15, 'Help! Help!…', TRUE, TRUE],
['Help! Help! Help!', 14, 'Help! Help!…', TRUE, TRUE],
['Help! Help! Help!', 13, 'Help! Help!…', TRUE, TRUE],
['Help! Help! Help!', 12, 'Help! Help!…', TRUE, TRUE],
['Help! Help! Help!', 11, 'Help! Help…', TRUE, TRUE],
['Help! Help! Help!', 10, 'Help!…', TRUE, TRUE],
['Help! Help! Help!', 9, 'Help!…', TRUE, TRUE],
['Help! Help! Help!', 8, 'Help!…', TRUE, TRUE],
['Help! Help! Help!', 7, 'Help!…', TRUE, TRUE],
['Help! Help! Help!', 6, 'Help!…', TRUE, TRUE],
['Help! Help! Help!', 5, 'Help…', TRUE, TRUE],
['Help! Help! Help!', 4, 'Hel…', TRUE, TRUE],
['Help! Help! Help!', 3, 'He…', TRUE, TRUE],
['Help! Help! Help!', 2, 'H…', TRUE, TRUE],
];
// cSpell:enable
// Test truncate on text with multiple lines.
$multi_line = <<<EOF
This is a text that spans multiple lines.
Line 2 goes here.
EOF;
$multi_line_wordsafe = <<<EOF
This is a text that spans multiple lines.
Line 2
EOF;
$multi_line_non_wordsafe = <<<EOF
This is a text that spans multiple lines.
Line 2 go
EOF;
$tests[] = [$multi_line, 51, $multi_line_wordsafe, TRUE];
$tests[] = [$multi_line, 51, $multi_line_non_wordsafe, FALSE];
return $tests;
}
/**
* Tests multibyte truncate bytes.
*
* @dataProvider providerTestTruncateBytes
* @covers ::truncateBytes
*
* @param string $text
* The string to truncate.
* @param int $max_length
* The upper limit on the returned string length.
* @param string $expected
* The expected return from Unicode::truncateBytes().
*/
public function testTruncateBytes($text, $max_length, $expected) {
$this->assertEquals($expected, Unicode::truncateBytes($text, $max_length), 'The string was not correctly truncated.');
}
/**
* Provides data for self::testTruncateBytes().
*
* @return array
* An array of arrays, each containing the parameters to
* self::testTruncateBytes().
*/
public function providerTestTruncateBytes() {
return [
// String shorter than max length.
['Short string', 42, 'Short string'],
// Simple string longer than max length.
['Longer string than previous.', 10, 'Longer str'],
// Unicode.
['以呂波耳・ほへとち。リヌルヲ。', 10, '以呂波'],
];
}
/**
* Tests UTF-8 validation.
*
* @dataProvider providerTestValidateUtf8
* @covers ::validateUtf8
*
* @param string $text
* The text to validate.
* @param bool $expected
* The expected return value from Unicode::validateUtf8().
* @param string $message
* The message to display on failure.
*/
public function testValidateUtf8($text, $expected, $message) {
$this->assertEquals($expected, Unicode::validateUtf8($text), $message);
}
/**
* Provides data for self::testValidateUtf8().
*
* Invalid UTF-8 examples sourced from http://stackoverflow.com/a/11709412/109119.
*
* @return array
* An array of arrays, each containing the parameters for
* self::testValidateUtf8().
*/
public function providerTestValidateUtf8() {
return [
// Empty string.
['', TRUE, 'An empty string did not validate.'],
// Simple text string.
['Simple text.', TRUE, 'A simple ASCII text string did not validate.'],
// Invalid UTF-8, overlong 5 byte encoding.
[chr(0xF8) . chr(0x80) . chr(0x80) . chr(0x80) . chr(0x80), FALSE, 'Invalid UTF-8 was validated.'],
// High code-point without trailing characters.
[chr(0xD0) . chr(0x01), FALSE, 'Invalid UTF-8 was validated.'],
];
}
/**
* Tests UTF-8 conversion.
*
* @dataProvider providerTestConvertToUtf8
* @covers ::convertToUtf8
*
* @param string $data
* The data to be converted.
* @param string $encoding
* The encoding the data is in.
* @param string|bool $expected
* The expected result.
*/
public function testConvertToUtf8($data, $encoding, $expected) {
$this->assertEquals($expected, Unicode::convertToUtf8($data, $encoding));
}
/**
* Provides data to self::testConvertToUtf8().
*
* @return array
* An array of arrays, each containing the parameters to
* self::testConvertUtf8(). }
*/
public function providerTestConvertToUtf8() {
return [
[chr(0x97), 'Windows-1252', '—'],
[chr(0x99), 'Windows-1252', '™'],
[chr(0x80), 'Windows-1252', '€'],
];
}
}