Tests/Toponaming: Add test framework for makeShapeWithElementMap

tests/src/Mod/Part/App/TopoShapeMakeShapeWithElementMap.cpp

@@ -0,0 +1,61 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+// Tests for the makeShapeWithElementMap method, extracted from the main set of tests for TopoShape
+// due to length and complexity.
+
+#include "gtest/gtest.h"
+#include "src/App/InitApplication.h"
+#include "TopoShapeExpansionHelpers.h"
+#include <Mod/Part/App/TopoShape.h>
+
+#include <TopoDS_Vertex.hxx>
+
+class TopoShapeMakeShapeWithElementMapTests: public ::testing::Test
+{
+protected:
+    static void SetUpTestSuite()
+    {
+        tests::initApplication();
+    }
+
+    void SetUp() override
+    {
+        _docName = App::GetApplication().getUniqueDocumentName("test");
+        App::GetApplication().newDocument(_docName.c_str(), "testUser");
+        _sids = &_sid;
+    }
+
+    void TearDown() override
+    {
+        App::GetApplication().closeDocument(_docName.c_str());
+    }
+
+    Part::TopoShape* Shape()
+    {
+        return &_shape;
+    }
+
+    Part::TopoShape::Mapper* Mapper()
+    {
+        return &_mapper;
+    }
+
+private:
+    std::string _docName;
+    Data::ElementIDRefs _sid;
+    QVector<App::StringIDRef>* _sids = nullptr;
+    Part::TopoShape _shape;
+    Part::TopoShape::Mapper _mapper;
+};
+
+TEST_F(TopoShapeMakeShapeWithElementMapTests, nullShapeThrows)
+{
+    // Arrange
+    auto [cube1, cube2] = TopoShapeExpansionHelpers::CreateTwoCubes();
+    std::vector<Part::TopoShape> sources {cube1, cube2};
+    TopoDS_Vertex nullShape;
+
+    // Act and assert
+    EXPECT_THROW(Shape()->makeShapeWithElementMap(nullShape, *Mapper(), sources),
+                 Part::NullShapeException);
+}