[machineid] Apply new STATICTEST specifier, hide implementation details

src/modules/machineid/Tests.cpp

@@ -28,6 +28,9 @@
 #include <QFile>
 #include <QtTest/QtTest>
 
+// Internals of Workers.cpp
+extern int getUrandomPoolSize();
+
 class MachineIdTests : public QObject
 {
     Q_OBJECT
@@ -93,10 +96,10 @@ MachineIdTests::testPoolSize()
 {
 #ifdef Q_OS_FREEBSD
     // It hardly makes sense, but also the /proc entry is missing
-    QCOMPARE( MachineId::getUrandomPoolSize(), 512 );
+    QCOMPARE( getUrandomPoolSize(), 512 );
 #else
     // Based on a sample size of 1, Netrunner
-    QCOMPARE( MachineId::getUrandomPoolSize(), 4096 );
+    QCOMPARE( getUrandomPoolSize(), 4096 );
 #endif
 }
 

src/modules/machineid/Workers.cpp

@@ -27,6 +27,34 @@
 
 #include <QFile>
 
+/// @brief Returns a recommended size for the entropy pool (in bytes)
+STATICTEST int
+getUrandomPoolSize()
+{
+    QFile f( "/proc/sys/kernel/random/poolsize" );
+    constexpr const int minimumPoolSize = 512;
+    int poolSize = minimumPoolSize;
+
+    if ( f.exists() && f.open( QIODevice::ReadOnly | QIODevice::Text ) )
+    {
+        QByteArray v = f.read( 16 );
+        if ( v.length() > 2 )
+        {
+            if ( v.endsWith( '\n' ) )
+            {
+                v.chop( 1 );
+            }
+            bool ok = false;
+            poolSize = v.toInt( &ok );
+            if ( !ok )
+            {
+                poolSize = minimumPoolSize;
+            }
+        }
+    }
+    return ( poolSize >= minimumPoolSize ) ? poolSize : minimumPoolSize;
+}
+
 namespace MachineId
 {
 
@@ -59,33 +87,6 @@ copyFile( const QString& rootMountPoint, const QString& fileName )
     return Calamares::JobResult::ok();
 }
 
-int
-getUrandomPoolSize()
-{
-    QFile f( "/proc/sys/kernel/random/poolsize" );
-    constexpr const int minimumPoolSize = 512;
-    int poolSize = minimumPoolSize;
-
-    if ( f.exists() && f.open( QIODevice::ReadOnly | QIODevice::Text ) )
-    {
-        QByteArray v = f.read( 16 );
-        if ( v.length() > 2 )
-        {
-            if ( v.endsWith( '\n' ) )
-            {
-                v.chop( 1 );
-            }
-            bool ok = false;
-            poolSize = v.toInt( &ok );
-            if ( !ok )
-            {
-                poolSize = minimumPoolSize;
-            }
-        }
-    }
-    return ( poolSize >= minimumPoolSize ) ? poolSize : minimumPoolSize;
-}
-
 Calamares::JobResult
 createNewEntropy( int poolSize, const QString& rootMountPoint, const QString& fileName )
 {

src/modules/machineid/Workers.h

@@ -48,9 +48,6 @@ enum class EntropyGeneration
     CopyFromHost
 };
 
-/// @brief Returns a recommended size for the entropy pool (in bytes)
-int getUrandomPoolSize();
-
 /// @brief Creates a new entropy file @p fileName in the target system at @p rootMountPoint
 Calamares::JobResult createNewEntropy( int poolSize, const QString& rootMountPoint, const QString& fileName );