Function BOOST_AUTO_TEST_CASE

src/test/settings_tests.cpp:54–108

BOOST_FIXTURE_TEST_SUITE(settings_tests, BasicTestingSetup)

BOOST_AUTO_TEST_CASE(ReadWrite)
{
    fs::path path = m_args.GetDataDirBase() / "settings.json";

    WriteText(path, R"({
        "string": "string",
        "num": 5,
        "bool": true,
        "null": null
    })");

    std::map<std::string, common::SettingsValue> expected{
        {"string", "string"},
        {"num", 5},
        {"bool", true},
        {"null", {}},
    };

    // Check file read.
    std::map<std::string, common::SettingsValue> values;
    std::vector<std::string> errors;
    BOOST_CHECK(common::ReadSettings(path, values, errors));
    BOOST_CHECK_EQUAL_COLLECTIONS(values.begin(), values.end(), expected.begin(), expected.end());
    BOOST_CHECK(errors.empty());

    // Check no errors if file doesn't exist.
    fs::remove(path);
    BOOST_CHECK(common::ReadSettings(path, values, errors));
    BOOST_CHECK(values.empty());
    BOOST_CHECK(errors.empty());

    // Check duplicate keys not allowed and that values returns empty if a duplicate is found.
    WriteText(path, R"({
        "dupe": "string",
        "dupe": "dupe"
    })");
    BOOST_CHECK(!common::ReadSettings(path, values, errors));
    std::vector<std::string> dup_keys = {strprintf("Found duplicate key dupe in settings file %s", fs::PathToString(path))};
    BOOST_CHECK_EQUAL_COLLECTIONS(errors.begin(), errors.end(), dup_keys.begin(), dup_keys.end());
    BOOST_CHECK(values.empty());

    // Check non-kv json files not allowed
    WriteText(path, R"("non-kv")");
    BOOST_CHECK(!common::ReadSettings(path, values, errors));
    std::vector<std::string> non_kv = {strprintf("Found non-object value \"non-kv\" in settings file %s", fs::PathToString(path))};
    BOOST_CHECK_EQUAL_COLLECTIONS(errors.begin(), errors.end(), non_kv.begin(), non_kv.end());

    // Check invalid json not allowed
    WriteText(path, R"(invalid json)");
    BOOST_CHECK(!common::ReadSettings(path, values, errors));
    std::vector<std::string> fail_parse = {strprintf("Settings file %s does not contain valid JSON. This may be caused by a crash, power loss, full disk, or storage error, "
                                                     "and can be fixed by removing the file, which will reset settings to default values.",
                                                     fs::PathToString(path))};
    BOOST_CHECK_EQUAL_COLLECTIONS(errors.begin(), errors.end(), fail_parse.begin(), fail_parse.end());
}

//! Check settings struct contents against expected json strings.
static void CheckValues(const common::Settings& settings, const std::string& single_val, const std::string& list_val)