Capturing error message with licensing problem

Author: whart222

lib/coek/coek/solvers/gurobi/gurobi.cpp

@@ -189,6 +189,7 @@ void GurobiSolver::pre_solve()
         catch (GRBException e) {
             license_status = gurobi_license_status::error;
             results->termination_condition = TerminationCondition::license_problems;
+            results->error_message = "Gurobi Error: Caught gurobi exception creating environment - " + e.getMessage();
         }
         if (available())
             gmodel = new GRBModel(*env);

lib/coek/test/coek_gurobi_test.cpp

@@ -132,8 +132,11 @@ int main()
             auto m = test->model;
             assert(m.name() == "simplelp1");
             auto res = solver.solve(m);
-            assert((res->termination_condition == coek::TerminationCondition::solver_not_available)
-                   or (res->termination_condition == coek::TerminationCondition::license_problems));
+            auto ok = (res->termination_condition == coek::TerminationCondition::solver_not_available)
+                   or (res->termination_condition == coek::TerminationCondition::license_problems);
+            std::cout << "Unexpected termination condition: " << coek::to_string(res->termination_condition) << std::endl;
+            std::cout << "Error message: " << res->error_message << std::endl;
+            assert(ok == true);
         }
     }
 }

lib/coek/test/solver/test_examples.cpp

@@ -332,8 +332,10 @@ TEST_CASE("gurobi_examples", "[solvers][gurobi]")
             auto ok
                 = (res->termination_condition == coek::TerminationCondition::solver_not_available)
                   or (res->termination_condition == coek::TerminationCondition::license_problems);
-            if (not ok)
+            if (not ok) {
                 std::cout << "Unexpected termination condition: " << coek::to_string(res->termination_condition) << std::endl;
+                std::cout << "Error message: " << res->error_message << std::endl;
+                }
             REQUIRE(ok == true);
         }
         // GCOVR_EXCL_STOP

lib/coek/test/solver/test_gurobi.cpp

@@ -110,8 +110,10 @@ TEST_CASE("gurobi_checks", "[solvers][gurobi]")
             auto ok
                 = (res->termination_condition == coek::TerminationCondition::solver_not_available)
                   or (res->termination_condition == coek::TerminationCondition::license_problems);
-            if (not ok)
+            if (not ok) {
                 std::cout << "Unexpected termination condition: " << coek::to_string(res->termination_condition) << std::endl;
+                std::cout << "Error message: " << res->error_message << std::endl;
+                }
             REQUIRE(ok == true);
         }
         // GCOVR_EXCL_STOP