bmv2/test_backend/metadata.h

/*
 * SPDX-FileCopyrightText: 2023 Google LLC
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef BACKENDS_P4TOOLS_MODULES_TESTGEN_TARGETS_BMV2_TEST_BACKEND_METADATA_H_
#define BACKENDS_P4TOOLS_MODULES_TESTGEN_TARGETS_BMV2_TEST_BACKEND_METADATA_H_
 
#include <cstddef>
#include <filesystem>
#include <fstream>
#include <optional>
#include <string>
 
#include <inja/inja.hpp>
 
#include "lib/cstring.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 Metadata : public Bmv2TestFramework {
 public:
    explicit Metadata(const TestBackendConfiguration &testBackendConfiguration);

    void writeTestToFile(const TestSpec *spec, cstring selectedBranches, size_t testId,
                         float currentCoverage) override;
 
 private:
    std::ofstream metadataFile;

    void emitPreamble(const std::string &preamble);

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

    static void computeTraceData(const TestSpec *testSpec, inja::json &dataJson);

    static std::string getTestCaseTemplate();
};
 
}  // namespace P4::P4Tools::P4Testgen::Bmv2
 
#endif /* BACKENDS_P4TOOLS_MODULES_TESTGEN_TARGETS_BMV2_TEST_BACKEND_METADATA_H_ */