unit tests for plural translations added

lib/l10n.php

@@ -25,7 +25,7 @@
 /**
  * This class is for i18n and l10n
  */
-class OC_L10N{
+class OC_L10N {
 	/**
 	 * cached instances
 	 */
@@ -107,6 +107,17 @@ class OC_L10N{
 		$this->lang = $lang;
 	}
 
+	public function load($transFile) {
+		$this->app = true;
+		include $transFile;
+		if(isset($TRANSLATIONS) && is_array($TRANSLATIONS)) {
+			$this->translations = $TRANSLATIONS;
+		}
+		if(isset($PLURAL_FORMS)) {
+			$this->plural_form_string = $PLURAL_FORMS;
+		}
+	}
+
 	protected function init() {
 		if ($this->app === true) {
 			return;
@@ -258,8 +269,9 @@ class OC_L10N{
 	 *
 	 */
 	public function n($text_singular, $text_plural, $count, $parameters = array()) {
+		$this->init();
 		$identifier = "_${text_singular}__${text_plural}_";
-		if( array_key_exists($this->translations, $identifier)) {
+		if( array_key_exists($identifier, $this->translations)) {
 			return new OC_L10N_String( $this, $identifier, $parameters, $count );
 		}
 		else{

lib/l10n/string.php

@@ -7,30 +7,48 @@
  */
 
 class OC_L10N_String{
+	/**
+	 * @var OC_L10N
+	 */
 	protected $l10n;
+
+	/**
+	 * @var string
+	 */
+	protected $text;
+
+	/**
+	 * @var array
+	 */
+	protected $parameters;
+
+	/**
+	 * @var integer
+	 */
+	protected $count;
+
 	public function __construct($l10n, $text, $parameters, $count = 1) {
 		$this->l10n = $l10n;
 		$this->text = $text;
 		$this->parameters = $parameters;
 		$this->count = $count;
-
 	}
 
 	public function __toString() {
 		$translations = $this->l10n->getTranslations();
-		$localizations = $this->l10n->getLocalizations();
 
 		$text = $this->text;
 		if(array_key_exists($this->text, $translations)) {
 			if(is_array($translations[$this->text])) {
-				$fn = $l10n->getPluralFormFunction();
-				$id = $fn($count);
+				$fn = $this->l10n->getPluralFormFunction();
+				$id = $fn($this->count);
 				$text = $translations[$this->text][$id];
 			}
 			else{
 				$text = $translations[$this->text];
 			}
 		}
+
 		// Replace %n first (won't interfere with vsprintf)
 		$text = str_replace('%n', $this->count, $text);
 		return vsprintf($text, $this->parameters);

tests/data/l10n/cs.php

+<?php
+$TRANSLATIONS = array(
+	"_%n window__%n windows_" => array("%n okno", "%n okna", "%n oken")
+);
+$PLURAL_FORMS = "nplurals=3; plural=(n==1) ? 0 : (n>=2 && n<=4) ? 1 : 2;";

tests/data/l10n/de.php

+<?php
+$TRANSLATIONS = array(
+	"_%n file__%n files_" => array("%n Datei", "%n Dateien")
+);
+$PLURAL_FORMS = "nplurals=2; plural=(n != 1);";

tests/data/l10n/ru.php

+<?php
+$TRANSLATIONS = array(
+	"_%n file__%n files_" => array("%n файл", "%n файла", "%n файлов")
+);
+$PLURAL_FORMS = "nplurals=3; plural=(n%10==1 && n%100!=11 ? 0 : n%10>=2 && n%10<=4 && (n%100<10 || n%100>=20) ? 1 : 2);";

tests/lib/l10n.php

+<?php
+/**
+ * Copyright (c) 2013 Thomas Müller <thomas.mueller@tmit.eu>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+class Test_L10n extends PHPUnit_Framework_TestCase {
+
+	public function testGermanPluralTranslations() {
+		$l = new OC_L10N('test');
+		$transFile = OC::$SERVERROOT.'/tests/data/l10n/de.php';
+
+		$l->load($transFile);
+		$this->assertEquals('1 Datei', (string)$l->n('%n file', '%n files', 1, array(1)));
+		$this->assertEquals('2 Dateien', (string)$l->n('%n file', '%n files', 2, array(2)));
+	}
+
+	public function testRussianPluralTranslations() {
+		$l = new OC_L10N('test');
+		$transFile = OC::$SERVERROOT.'/tests/data/l10n/ru.php';
+
+		$l->load($transFile);
+		$this->assertEquals('1 файл', (string)$l->n('%n file', '%n files', 1));
+		$this->assertEquals('2 файла', (string)$l->n('%n file', '%n files', 2));
+		$this->assertEquals('6 файлов', (string)$l->n('%n file', '%n files', 6));
+		$this->assertEquals('21 файл', (string)$l->n('%n file', '%n files', 21));
+		$this->assertEquals('22 файла', (string)$l->n('%n file', '%n files', 22));
+		$this->assertEquals('26 файлов', (string)$l->n('%n file', '%n files', 26));
+
+		/*
+		  1 file	1 файл	1 папка
+		2-4 files	2-4 файла	2-4 папки
+		5-20 files	5-20 файлов	5-20 папок
+		21 files	21 файл	21 папка
+		22-24 files	22-24 файла	22-24 папки
+		25-30 files	25-30 файлов	25-30 папок
+		etc
+		100 files	100 файлов,	100 папок
+		1000 files	1000 файлов	1000 папок
+		*/
+	}
+
+	public function testCzechPluralTranslations() {
+		$l = new OC_L10N('test');
+		$transFile = OC::$SERVERROOT.'/tests/data/l10n/cs.php';
+
+		$l->load($transFile);
+		$this->assertEquals('1 okno', (string)$l->n('%n window', '%n windows', 1));
+		$this->assertEquals('2 okna', (string)$l->n('%n window', '%n windows', 2));
+		$this->assertEquals('5 oken', (string)$l->n('%n window', '%n windows', 5));
+	}
+
+}