Create SageObJectTest

src/sage/numerical/backends/cvxopt_backend_test.py

@@ -9,7 +9,7 @@ class TestCVXOPTBackend(GenericBackendTests):
     def backend(self) -> GenericBackend:
         return MixedIntegerLinearProgram(solver="CVXOPT").get_backend() 
 
-    def test_sage_unittest_testsuite(self, backend: GenericBackend):
+    def test_sage_unittest_testsuite(self, sage_object: SageObject):
         # TODO: Remove this test as soon as all old test methods are migrated
         from sage.misc.sage_unittest import TestSuite
-        TestSuite(backend).run(verbose=True, raise_on_failure=True, skip=("_test_pickling","_test_solve","_test_solve_trac_18572"))
+        TestSuite(sage_object).run(verbose=True, raise_on_failure=True, skip=("_test_pickling","_test_solve","_test_solve_trac_18572"))

src/sage/numerical/backends/generic_backend_test.py

@@ -1,16 +1,22 @@
 import pytest
 from .generic_backend import GenericBackend
+from sage.structure.sage_object import SageObject
+from sage.structure.sage_object_test import SageObjectTests
 
-class GenericBackendTests:
+class GenericBackendTests(SageObjectTests):
 
     @pytest.fixture
-    def backend(self) -> GenericBackend:
+    def backend(self, *args, **kwargs) -> GenericBackend:
         raise NotImplementedError
 
+    @pytest.fixture
+    def sage_object(self, backend) -> SageObject:
+        return backend
+
     def test_ncols_nonnegative(self, backend: GenericBackend):
         assert backend.ncols() >= 0
 
-    def test_sage_unittest_testsuite(self, backend: GenericBackend):
+    def test_sage_unittest_testsuite(self, sage_object: SageObject):
         # TODO: Remove this test as soon as all old test methods are migrated
         from sage.misc.sage_unittest import TestSuite
-        TestSuite(backend).run(verbose=True, raise_on_failure=True, skip="_test_pickling")
+        TestSuite(sage_object).run(verbose=True, raise_on_failure=True, skip="_test_pickling")

src/sage/structure/sage_object_test.py

@@ -0,0 +1,14 @@
+
+import pytest
+from .sage_object import SageObject
+
+class SageObjectTests:
+
+    @pytest.fixture
+    def sage_object(self, *args, **kwargs) -> SageObject:
+        raise NotImplementedError
+
+    def test_sage_unittest_testsuite(self, sage_object: SageObject):
+        # TODO: Remove this test as soon as all old test methods are migrated
+        from sage.misc.sage_unittest import TestSuite
+        TestSuite(sage_object).run(verbose=True, raise_on_failure=True)