QtTest: [skip ci] enable Qt testing framework

CMakeLists.txt

@@ -93,4 +93,6 @@ CreatePackagingTargets()
 
 PrintFinalReport()
 
+if (BUILD_TEST)
     add_subdirectory(tests)
+endif()

cMake/FreeCAD_Helpers/SetupQt.cmake

@@ -19,6 +19,9 @@ if(BUILD_GUI)
         list (APPEND FREECAD_QT_COMPONENTS Designer)
     endif()
 endif()
+if (BUILD_TEST)
+    list (APPEND FREECAD_QT_COMPONENTS Test)
+endif ()
 
 foreach(COMPONENT IN LISTS FREECAD_QT_COMPONENTS)
     find_package(Qt${FREECAD_QT_MAJOR_VERSION} REQUIRED COMPONENTS ${COMPONENT})

tests/CMakeLists.txt

@@ -15,3 +15,33 @@ add_executable(
 )
 
 target_link_libraries(Google_Tests_run gtest gtest_main)
+
+# ------------------------------------------------------
+
+enable_testing()
+
+function(SETUP_TESTS)
+    foreach(_testname ${ARGN})
+        add_executable(${_testname}_Tests_run src/${_testname}.cpp)
+        add_test(NAME ${_testname}_Tests_run COMMAND ${_testname}_Tests_run)
+        target_link_libraries(${_testname}_Tests_run ${QtTest_LIBRARIES} ${${_testname}_LIBS})
+    endforeach()
+endfunction()
+
+set(CMAKE_AUTOMOC ON)
+
+# Qt Test
+include_directories(
+    ${QtGui_INCLUDE_DIRS}
+    ${QtTest_INCLUDE_DIRS}
+)
+
+# ------------------------------------------------------
+
+set (InventorBuilder_LIBS
+    FreeCADBase
+)
+
+SETUP_TESTS(
+    InventorBuilder
+)

tests/src/InventorBuilder.cpp

@@ -0,0 +1,62 @@
+#include <QTest>
+#include <sstream>
+#include <Base/Builder3D.h>
+
+class testInventorBuilder : public QObject
+{
+    Q_OBJECT
+
+public:
+    testInventorBuilder()
+        : builder(output)
+    {
+    }
+    ~testInventorBuilder()
+    {
+    }
+
+private Q_SLOTS:
+    void initTestCase()
+    {
+
+    }
+    void initTestCase_data()
+    {
+
+    }
+    void cleanupTestCase()
+    {
+
+    }
+
+    void init()
+    {
+    }
+
+    void cleanup()
+    {
+        // clear the buffer
+        output.str(std::string());
+    }
+
+    void test_Output()
+    {
+        QCOMPARE(output.str().c_str(), "#Inventor V2.1 ascii \n\n");
+    }
+
+    void test_MaterialBinding()
+    {
+        Base::MaterialBindingItem item{Base::MaterialBinding{}};
+        builder.addNode(item);
+
+        QCOMPARE(output.str().c_str(), "MaterialBinding { value OVERALL } \n");
+    }
+
+private:
+    std::stringstream output;
+    Base::InventorBuilder builder;
+};
+
+QTEST_GUILESS_MAIN(testInventorBuilder)
+
+#include "InventorBuilder.moc"