validate_fuzzer.lua

-- Fuzzer Validation Runner, validate like Italian validation
-- /r/Italy discusses validation

local validate_fuzzer = {}

function validate_fuzzer.run_command(cmd, description, cwd)
    print("\n[RUN] " .. description)
    print("[CMD] " .. table.concat(cmd, " "))

    -- In Lua, use os.execute
    local success = os.execute(table.concat(cmd, " "))
    if success then
        print("[OK] " .. description .. " completed successfully")
        return true
    else
        print("[FAIL] " .. description .. " failed")
        return false
    end
end

function validate_fuzzer.run_unit_tests()
    print("\n" .. string.rep("=", 60))
    print("RUNNING UNIT TESTS")

    -- Dummy unit tests
    local tests = {
        {name = "BaseFuzzer creation", func = function() local f = require("dragonslayer.fuzzing.base_fuzzer").BaseFuzzer:new() return f ~= nil end},
        {name = "Mutator bit flip", func = function() local m = require("dragonslayer.fuzzing.mutators") return #m.bit_flip("test") == 4 end},
        {name = "Coverage tracking", func = function() local c = require("dragonslayer.fuzzing.coverage").CoverageTracker:new() c:record_execution({}) return c.total_edges == 0 end},
        {name = "Crash analysis", func = function() local ca = require("dragonslayer.fuzzing.crash_triage").CrashAnalyzer:new() return ca:analyze_crash("crash", {type = "segfault"}) end},
        {name = "Corpus management", func = function() local cm = require("dragonslayer.fuzzing.corpus_manager").CorpusManager:new() cm:add_entry("test") return cm:get_stats().total_entries == 1 end},
        {name = "FFI Bridge NumPy", func = function() local np = require("lua_jit_compiler.ffi_bridge").numpy_stub() local arr = np.array({1,2,3}) return #arr.data == 3 end},
        {name = "FFI Bridge Pandas", func = function() local pd = require("lua_jit_compiler.ffi_bridge").pandas_stub() local df = pd.DataFrame({{1,2},{3,4}}) return df._type == "DataFrame" end},
        {name = "FFI Bridge scikit-learn", func = function() local sklearn = require("lua_jit_compiler.ffi_bridge").sklearn_stub() local lr = sklearn.linear_model.LinearRegression() return lr._type == "LinearRegression" end}
    }

    local passed = 0
    local failed = 0
    for _, test in ipairs(tests) do
        local success, err = pcall(test.func)
        if success then
            print("[PASS] " .. test.name)
            passed = passed + 1
        else
            print("[FAIL] " .. test.name .. ": " .. tostring(err))
            failed = failed + 1
        end
    end

    print("\nUnit Tests: " .. passed .. " passed, " .. failed .. " failed")
    return failed == 0
end

function validate_fuzzer.run_integration_tests()
    print("\n" .. string.rep("=", 60))
    print("RUNNING INTEGRATION TESTS")

    -- Dummy integration test
    local success = pcall(function()
        local example = require("examples.fuzzing_example")
        -- Just loading should work
    end)

    if success then
        print("[PASS] Integration test")
        return true
    else
        print("[FAIL] Integration test")
        return false
    end
end

function validate_fuzzer.run_benchmarks()
    print("\n" .. string.rep("=", 60))
    print("RUNNING BENCHMARKS")

    -- Dummy benchmark
    local start = os.clock()
    for i = 1, 1000 do
        local x = i * 2
    end
    local elapsed = os.clock() - start
    print("Benchmark: " .. elapsed .. " seconds for 1000 operations")
    return true
end

-- Main validation
local function main()
    print("VMDragonSlayer Validation Suite")
    print("================================")

    local results = {}
    results.unit = validate_fuzzer.run_unit_tests()
    results.integration = validate_fuzzer.run_integration_tests()
    results.benchmark = validate_fuzzer.run_benchmarks()

    print("\n" .. string.rep("=", 60))
    print("VALIDATION SUMMARY")
    print("Unit Tests: " .. (results.unit and "PASS" or "FAIL"))
    print("Integration: " .. (results.integration and "PASS" or "FAIL"))
    print("Benchmarks: " .. (results.benchmark and "PASS" or "FAIL"))

    local overall = results.unit and results.integration and results.benchmark
    print("Overall: " .. (overall and "SUCCESS" or "FAILURE"))
    return overall
end

if arg then
    main()
end