[libcalamares] Add tests for new TranslatedString

- Test that construction works as expected
 - Add count() method to TranslatedString for testing purposes.

src/libcalamares/locale/Tests.cpp

@@ -19,7 +19,10 @@
 #include "Tests.h"
 
 #include "locale/LabelModel.h"
+#include "locale/TranslatableConfiguration.h"
+
 #include "utils/Logger.h"
+#include "CalamaresVersion.h"
 
 #include <QtTest/QtTest>
 
@@ -81,3 +84,47 @@ LocaleTests::testEsperanto()
 
     QCOMPARE( QLocale( "eo" ).language(), QLocale::C );
 }
+
+static const QStringList&
+someLanguages()
+{
+    static QStringList languages{ "nl", "de", "da", "nb", "sr@latin", "ar", "ru" };
+    return languages;
+    }
+
+    
+    void LocaleTests::testTranslatableLanguages()
+{
+    QStringList availableLanguages = QString( CALAMARES_TRANSLATION_LANGUAGES ).split( ';' );
+    cDebug() << "Translation languages:" << availableLanguages;
+    for ( const auto& language: someLanguages() )
+    {
+        // Could be QVERIFY, but then we don't see what language code fails
+        QCOMPARE( availableLanguages.contains( language ) ? language : QString(), language );
+    }
+}
+
+void LocaleTests::testTranslatableConfig1()
+{
+    CalamaresUtils::Locale::TranslatedString ts1( "Hello" );
+    QCOMPARE( ts1.count(), 1 );
+    
+    QVariantMap map;
+    map.insert( "description", "description (no language)" );
+    CalamaresUtils::Locale::TranslatedString ts2(map, "description");
+    QCOMPARE( ts2.count(), 1 );
+}
+
+void LocaleTests::testTranslatableConfig2()
+{
+    QVariantMap map;
+    
+    for ( const auto& language: someLanguages() )
+    {
+        map.insert( QString("description[%1]").arg(language), QString("description (language %1)").arg(language) );
+    }
+    
+    CalamaresUtils::Locale::TranslatedString s(map, "description");
+    // The +1 is because "" is always also inserted
+    QCOMPARE( s.count(), someLanguages().count()+1 );
+}

src/libcalamares/locale/Tests.h

@@ -33,6 +33,9 @@ private Q_SLOTS:
 
     void testLanguageModelCount();
     void testEsperanto();
+    void testTranslatableLanguages();
+    void testTranslatableConfig1();
+    void testTranslatableConfig2();
 };
 
 #endif

src/libcalamares/locale/TranslatableConfiguration.cpp

@@ -44,7 +44,7 @@ TranslatedString::TranslatedString(const QVariantMap& map, const QString& key)
     }
     m_strings[QString()] = value;
     
-    for ( auto it = m_strings.constKeyValueBegin(); it != m_strings.constKeyValueEnd(); ++it )
+    for ( auto it = map.constKeyValueBegin(); it != map.constKeyValueEnd(); ++it )
     {
         QString subkey = (*it).first;
         if ( subkey == key )
@@ -53,11 +53,12 @@ TranslatedString::TranslatedString(const QVariantMap& map, const QString& key)
         }
         else if ( subkey.startsWith( key ) )
         {
+            cDebug() << "Checking" << subkey;
             QRegularExpressionMatch match;
             if ( subkey.indexOf( QRegularExpression("\\[([a-zA-Z_@]*)\\]"), 0, &match ) > 0 )
             {
                 QString language = match.captured(1);
-                cDebug() << "Found translation" << key << '[' << language << ']';
+                m_strings[language] = (*it).second.toString();
             }
         }
     }

src/libcalamares/locale/TranslatableConfiguration.h

@@ -44,6 +44,9 @@ namespace Locale
         /** @brief Not-actually-translated string.
          */
         TranslatedString( const QString& string );
+        
+        int count() const { return m_strings.count(); }
+        
     private:
         // Maps locale name to human-readable string, "" is English
         QMap< QString, QString > m_strings;