after_cvode_to_cnexp.cpp

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/*
 * Copyright 2023 Blue Brain Project, EPFL.
 * See the top-level LICENSE file for details.
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#include <catch2/catch_test_macros.hpp>
 
#include "ast/program.hpp"
#include "parser/nmodl_driver.hpp"
#include "test/unit/utils/test_utils.hpp"
#include "visitors/after_cvode_to_cnexp_visitor.hpp"
#include "visitors/checkparent_visitor.hpp"
#include "visitors/symtab_visitor.hpp"
#include "visitors/visitor_utils.hpp"
 
 
using namespace nmodl;
using namespace visitor;
using namespace test;
using namespace test_utils;
 
using nmodl::parser::NmodlDriver;
 
 
//=============================================================================
// AfterCVodeToCnexp visitor tests
//=============================================================================
 
std::string run_after_cvode_to_cnexp_visitor(const std::string& text) {
    NmodlDriver driver;
    const auto& ast = driver.parse_string(text);
 
    SymtabVisitor().visit_program(*ast);
    AfterCVodeToCnexpVisitor().visit_program(*ast);
 
    // check that, after visitor rearrangement, parents are still up-to-date
    CheckParentVisitor().check_ast(*ast);
 
    return to_nmodl(ast);
}
 
 
SCENARIO("AfterCVodeToCnexpVisitor changes after_cvode solver method to cnexp") {
    GIVEN("Breakpoint block with after_cvode method") {
        std::string nmodl_text = R"(
            BREAKPOINT {
                SOLVE states METHOD after_cvode
            }
        )";
 
        std::string output_nmodl = R"(
            BREAKPOINT {
                SOLVE states METHOD cnexp
            }
        )";
 
        THEN("AfterCVodeToCnexp visitor replaces after_cvode solver with cnexp") {
            std::string input = reindent_text(nmodl_text);
            auto expected_result = reindent_text(output_nmodl);
            auto result = run_after_cvode_to_cnexp_visitor(input);
            REQUIRE(result == expected_result);
        }
    }
}