Extends migration tests for flm and flt services

qt6-after/qt6-migrated-legatus/tests/test_CppTopicGeneratorGrantlee.cpp

@@ -1,22 +1,39 @@
 #include "CppTopicGeneratorGrantlee.h"
 
+#include <NGLLogger/NGLLoggerBootstrap.h>
+
 #include <gtest/gtest.h>
 
+namespace
+{
+// GeneratorGrantleeBase acquires its logger from the NGL root logger in its
+// constructor. getNGLRootLogger() throws NotCreatedError as long as no root
+// logger was created, so the test has to bootstrap one first. An empty
+// configuration falls back to WARN logging on stdout ('quiet' suppresses
+// the notice on stderr); 'ignorealreadycreated' keeps repeat calls
+// idempotent across tests of this binary.
+NGL::INGLLogger& ensureRootLogger()
+{
+    return NGL::NGLLoggerBootstrap::createNGLRootLogger(QString(), true, QString(), true);
+}
+} // namespace
+
 // Test that CppTopicGeneratorGrantlee can be instantiated
 TEST(CppTopicGeneratorGrantleeTest, CanInstantiate)
 {
-    CodeGen::CppTopicGeneratorGrantlee generator;
-    // Basic instantiation test - constructor should not throw
-    EXPECT_NO_THROW({ CodeGen::CppTopicGeneratorGrantlee gen2; });
+    ensureRootLogger();
+    // Constructor acquires the logger from the root logger and must not throw
+    EXPECT_NO_THROW({ CodeGen::CppTopicGeneratorGrantlee generator; });
 }
 
 // Test that the generator has expected base class functionality
 TEST(CppTopicGeneratorGrantleeTest, HasLoggerName)
 {
+    ensureRootLogger();
     CodeGen::CppTopicGeneratorGrantlee generator;
-    // The generator should have a logger name set in constructor
-    // This verifies the base class initialization worked correctly
-    EXPECT_TRUE(true); // Placeholder - actual test depends on base class API
+    // The base class created its "CodeGen.CppTopicGeneratorGrantlee" logger
+    // from the root logger — retrieving that logger must not throw.
+    EXPECT_NO_THROW(NGL::NGLLoggerBootstrap::getNGLRootLogger().getNGLLogger("CodeGen.CppTopicGeneratorGrantlee"));
 }
 
 // Test compilation of header dependencies
@@ -26,4 +43,4 @@ TEST(CppTopicGeneratorGrantleeTest, HeaderCompiles)
     // compile correctly with Qt6/C++23
     // Includes: CppTopicGeneratorGrantlee.h, StructBuilder.h, NGLLogger, QCryptographicHash, grantlee/context.h
     EXPECT_TRUE(true); // Compilation itself is the test
-}
+}