MediaWiki 1.30.2

[autoinstallsdev/mediawiki.git] / tests / phpunit / includes / collation / CollationTest.php

diff --git a/tests/phpunit/includes/collation/CollationTest.php b/tests/phpunit/includes/collation/CollationTest.php
new file mode 100644 (file)
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+++ b/tests/phpunit/includes/collation/CollationTest.php
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+<?php
+
+/**
+ * Class CollationTest
+ * @covers Collation
+ * @covers IcuCollation
+ * @covers IdentityCollation
+ * @covers UppercaseCollation
+ */
+class CollationTest extends MediaWikiLangTestCase {
+       protected function setUp() {
+               parent::setUp();
+               $this->checkPHPExtension( 'intl' );
+       }
+
+       /**
+        * Test to make sure, that if you
+        * have "X" and "XY", the binary
+        * sortkey also has "X" being a
+        * prefix of "XY". Our collation
+        * code makes this assumption.
+        *
+        * @param string $lang Language code for collator
+        * @param string $base Base string
+        * @param string $extended String containing base as a prefix.
+        *
+        * @dataProvider prefixDataProvider
+        */
+       public function testIsPrefix( $lang, $base, $extended ) {
+               $cp = Collator::create( $lang );
+               $cp->setStrength( Collator::PRIMARY );
+               $baseBin = $cp->getSortKey( $base );
+               // Remove sortkey terminator
+               $baseBin = rtrim( $baseBin, "\0" );
+               $extendedBin = $cp->getSortKey( $extended );
+               $this->assertStringStartsWith( $baseBin, $extendedBin, "$base is not a prefix of $extended" );
+       }
+
+       public static function prefixDataProvider() {
+               return [
+                       [ 'en', 'A', 'AA' ],
+                       [ 'en', 'A', 'AAA' ],
+                       [ 'en', 'Д', 'ДЂ' ],
+                       [ 'en', 'Д', 'ДA' ],
+                       // 'Ʒ' should expand to 'Z ' (note space).
+                       [ 'fi', 'Z', 'Ʒ' ],
+                       // 'Þ' should expand to 'th'
+                       [ 'sv', 't', 'Þ' ],
+                       // Javanese is a limited use alphabet, so should have 3 bytes
+                       // per character, so do some tests with it.
+                       [ 'en', 'ꦲ', 'ꦲꦤ' ],
+                       [ 'en', 'ꦲ', 'ꦲД' ],
+                       [ 'en', 'A', 'Aꦲ' ],
+               ];
+       }
+
+       /**
+        * Opposite of testIsPrefix
+        *
+        * @dataProvider notPrefixDataProvider
+        */
+       public function testNotIsPrefix( $lang, $base, $extended ) {
+               $cp = Collator::create( $lang );
+               $cp->setStrength( Collator::PRIMARY );
+               $baseBin = $cp->getSortKey( $base );
+               // Remove sortkey terminator
+               $baseBin = rtrim( $baseBin, "\0" );
+               $extendedBin = $cp->getSortKey( $extended );
+               $this->assertStringStartsNotWith( $baseBin, $extendedBin, "$base is a prefix of $extended" );
+       }
+
+       public static function notPrefixDataProvider() {
+               return [
+                       [ 'en', 'A', 'B' ],
+                       [ 'en', 'AC', 'ABC' ],
+                       [ 'en', 'Z', 'Ʒ' ],
+                       [ 'en', 'A', 'ꦲ' ],
+               ];
+       }
+
+       /**
+        * Test correct first letter is fetched.
+        *
+        * @param string $collation Collation name (aka uca-en)
+        * @param string $string String to get first letter of
+        * @param string $firstLetter Expected first letter.
+        *
+        * @dataProvider firstLetterProvider
+        */
+       public function testGetFirstLetter( $collation, $string, $firstLetter ) {
+               $col = Collation::factory( $collation );
+               $this->assertEquals( $firstLetter, $col->getFirstLetter( $string ) );
+       }
+
+       function firstLetterProvider() {
+               return [
+                       [ 'uppercase', 'Abc', 'A' ],
+                       [ 'uppercase', 'abc', 'A' ],
+                       [ 'identity', 'abc', 'a' ],
+                       [ 'uca-en', 'abc', 'A' ],
+                       [ 'uca-en', ' ', ' ' ],
+                       [ 'uca-en', 'Êveryone', 'E' ],
+                       [ 'uca-vi', 'Êveryone', 'Ê' ],
+                       // Make sure thorn is not a first letter.
+                       [ 'uca-sv', 'The', 'T' ],
+                       [ 'uca-sv', 'Å', 'Å' ],
+                       [ 'uca-hu', 'dzsdo', 'Dzs' ],
+                       [ 'uca-hu', 'dzdso', 'Dz' ],
+                       [ 'uca-hu', 'CSD', 'Cs' ],
+                       [ 'uca-root', 'CSD', 'C' ],
+                       [ 'uca-fi', 'Ǥ', 'G' ],
+                       [ 'uca-fi', 'Ŧ', 'T' ],
+                       [ 'uca-fi', 'Ʒ', 'Z' ],
+                       [ 'uca-fi', 'Ŋ', 'N' ],
+                       [ 'uppercase-ba', 'в', 'В' ],
+               ];
+       }
+}