tests: Test case for issue #13055

tests/src/Mod/PartDesign/App/CMakeLists.txt

@@ -2,5 +2,6 @@
 target_sources(
         PartDesign_tests_run
         PRIVATE
+        ${CMAKE_CURRENT_SOURCE_DIR}/DatumPlane.cpp
         ${CMAKE_CURRENT_SOURCE_DIR}/ShapeBinder.cpp
 )

tests/src/Mod/PartDesign/App/DatumPlane.cpp

@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: LGPL-2.1-or-later
+
+#include "gtest/gtest.h"
+#include "src/App/InitApplication.h"
+
+#include <App/Application.h>
+#include <App/Document.h>
+#include <App/Origin.h>
+#include "Mod/Part/App/Attacher.h"
+#include "Mod/PartDesign/App/Body.h"
+#include "Mod/PartDesign/App/DatumPlane.h"
+
+class DatumPlaneTest: public ::testing::Test
+{
+protected:
+    static void SetUpTestSuite()
+    {
+        tests::initApplication();
+    }
+
+    void SetUp() override
+    {
+        _docName = App::GetApplication().getUniqueDocumentName("test");
+        _doc = App::GetApplication().newDocument(_docName.c_str(), "testUser");
+        _body = dynamic_cast<PartDesign::Body*>(_doc->addObject("PartDesign::Body"));
+    }
+
+    void TearDown() override
+    {
+        App::GetApplication().closeDocument(_docName.c_str());
+    }
+
+    App::Document* getDocument() const
+    {
+        return _doc;
+    }
+
+    PartDesign::Body* getBody() const
+    {
+        return _body;
+    }
+
+private:
+    std::string _docName;
+    App::Document* _doc = nullptr;
+    PartDesign::Body* _body = nullptr;
+};
+
+TEST_F(DatumPlaneTest, attachDatumPlane)
+{
+    auto datumPlane = getDocument()->addObject("PartDesign::Plane", "Plane");
+    ASSERT_TRUE(datumPlane);
+    getBody()->addObject(datumPlane);
+    auto origin = getBody()->getOrigin();
+
+    App::PropertyLinkSubList support;
+    std::vector<App::DocumentObject*> objs;
+    std::vector<std::string> subs;
+    objs.push_back(origin->getXY());
+    subs.emplace_back();
+    support.setValues(objs, subs);
+
+    auto attach = datumPlane->getExtensionByType<Part::AttachExtension>();
+    attach->attacher().setReferences(support);
+    Attacher::SuggestResult sugr;
+    attach->attacher().suggestMapModes(sugr);
+    EXPECT_EQ(sugr.message, Attacher::SuggestResult::srOK);
+}