bmv2/test_backend/ptf.h

/*
 * SPDX-FileCopyrightText: 2023 Google LLC
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef BACKENDS_P4TOOLS_MODULES_TESTGEN_TARGETS_BMV2_TEST_BACKEND_PTF_H_
#define BACKENDS_P4TOOLS_MODULES_TESTGEN_TARGETS_BMV2_TEST_BACKEND_PTF_H_
 
#include <cstddef>
#include <filesystem>
#include <fstream>
#include <optional>
#include <string>
#include <utility>
#include <vector>
 
#include <inja/inja.hpp>

#include "ir/ir.h"
#include "lib/cstring.h"
 
#include "backends/p4tools/modules/testgen/lib/test_object.h"
#include "backends/p4tools/modules/testgen/lib/test_spec.h"
#include "backends/p4tools/modules/testgen/targets/bmv2/test_backend/common.h"
 
namespace P4::P4Tools::P4Testgen::Bmv2 {

class PTF : public Bmv2TestFramework {
 public:
    explicit PTF(const TestBackendConfiguration &testBackendConfiguration);

    void writeTestToFile(const TestSpec *spec, cstring selectedBranches, size_t testId,
                         float currentCoverage) override;
 
 private:
    bool preambleEmitted = false;

    std::ofstream ptfFileStream;

    void emitPreamble();

    void emitTestcase(const TestSpec *testSpec, cstring selectedBranches, size_t testId,
                      const std::string &testCase, float currentCoverage);

    static std::string getTestCaseTemplate();
 
    inja::json getExpectedPacket(const TestSpec *testSpec) const override;

    static std::vector<std::pair<size_t, size_t>> getIgnoreMasks(const IR::Constant *mask);
};
 
}  // namespace P4::P4Tools::P4Testgen::Bmv2
 
#endif /* BACKENDS_P4TOOLS_MODULES_TESTGEN_TARGETS_BMV2_TEST_BACKEND_PTF_H_ */