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/******************************************************************************
* ____ _ _____ *
* / ___| / \ | ___| C++ *
* | | / _ \ | |_ Actor *
* | |___ / ___ \| _| Framework *
* \____/_/ \_|_| *
* *
* Copyright 2011-2019 Dominik Charousset *
* *
* Distributed under the terms and conditions of the BSD 3-Clause License or *
* (at your option) under the terms and conditions of the Boost Software *
* License 1.0. See accompanying files LICENSE and LICENSE_ALTERNATIVE. *
* *
* If you did not receive a copy of the license files, see *
* http://opensource.org/licenses/BSD-3-Clause and *
* http://www.boost.org/LICENSE_1_0.txt. *
******************************************************************************/
#define CAF_SUITE settings
#include "caf/settings.hpp"
#include "caf/test/dsl.hpp"
#include <string>
#include "caf/atom.hpp"
#include "caf/none.hpp"
#include "caf/optional.hpp"
using namespace caf;
namespace {
// TODO: switch to std::operator""s when switching to C++14
std::string operator"" _s(const char* str, size_t size) {
return std::string(str, size);
}
struct fixture {
settings x;
void fill() {
x["hello"] = "world";
x["one"].as_dictionary()["two"].as_dictionary()["three"] = 4;
auto& logger = x["logger"].as_dictionary();
logger["component-blacklist"] = make_config_value_list(atom("caf"));
logger["console"] = atom("none");
logger["console-format"] = "%m";
logger["console-verbosity"] = atom("trace");
logger["file-format"] = "%r %c %p %a %t %C %M %F:%L %m%n";
logger["inline-output"] = false;
auto& middleman = x["middleman"].as_dictionary();
middleman["app-identifiers"] = make_config_value_list("generic-caf-app");
middleman["enable-automatic-connections"] = false;
middleman["heartbeat-interval"] = 0;
middleman["max-consecutive-reads"] = 50;
middleman["workers"] = 3;
auto& stream = x["stream"].as_dictionary();
stream["credit-round-interval"] = timespan{10000000}; // 10ms;
stream["desired-batch-complexity"] = timespan{50000}; // 50us;
stream["max-batch-delay"] = timespan{5000000}; // 5ms;
}
};
const config_value& unpack(const settings& x, string_view key) {
auto i = x.find(key);
if (i == x.end())
CAF_FAIL("key not found in dictionary: " << key);
return i->second;
}
template <class... Ts>
const config_value& unpack(const settings& x, string_view key,
const char* next_key, Ts... keys) {
auto i = x.find(key);
if (i == x.end())
CAF_FAIL("key not found in dictionary: " << key);
if (!holds_alternative<settings>(i->second))
CAF_FAIL("value is not a dictionary: " << key);
return unpack(get<settings>(i->second), {next_key, strlen(next_key)},
keys...);
}
struct foobar {
int foo = 0;
int bar = 0;
};
} // namespace
namespace caf {
// Enable users to configure foobar's like this:
// my-value {
// foo = 42
// bar = 23
// }
template <>
struct config_value_access<foobar> {
static bool is(const config_value& x) {
auto dict = caf::get_if<config_value::dictionary>(&x);
if (dict != nullptr) {
return caf::get_if<int>(dict, "foo") != none
&& caf::get_if<int>(dict, "bar") != none;
}
return false;
}
static optional<foobar> get_if(const config_value* x) {
foobar result;
if (!is(*x))
return none;
const auto& dict = caf::get<config_value::dictionary>(*x);
result.foo = caf::get<int>(dict, "foo");
result.bar = caf::get<int>(dict, "bar");
return result;
}
static foobar get(const config_value& x) {
auto result = get_if(&x);
if (!result)
CAF_RAISE_ERROR("invalid type found");
return std::move(*result);
}
};
} // namespace caf
CAF_TEST_FIXTURE_SCOPE(settings_tests, fixture)
CAF_TEST(put) {
put(x, "foo", "bar");
put(x, "logger.console", atom("none"));
put(x, "one.two.three", "four");
CAF_CHECK_EQUAL(x.size(), 3u);
CAF_CHECK(x.contains("foo"));
CAF_CHECK(x.contains("logger"));
CAF_CHECK(x.contains("one"));
CAF_CHECK_EQUAL(unpack(x, "foo"), "bar"_s);
CAF_CHECK_EQUAL(unpack(x, "logger", "console"), atom("none"));
CAF_CHECK_EQUAL(unpack(x, "one", "two", "three"), "four"_s);
put(x, "logger.console", atom("trace"));
CAF_CHECK_EQUAL(unpack(x, "logger", "console"), atom("trace"));
}
CAF_TEST(put missing) {
put_missing(x, "foo", "bar");
put_missing(x, "logger.console", atom("none"));
put_missing(x, "one.two.three", "four");
CAF_CHECK_EQUAL(x.size(), 3u);
CAF_CHECK(x.contains("foo"));
CAF_CHECK(x.contains("logger"));
CAF_CHECK(x.contains("one"));
CAF_CHECK_EQUAL(unpack(x, "foo"), "bar"_s);
CAF_CHECK_EQUAL(unpack(x, "logger", "console"), atom("none"));
CAF_CHECK_EQUAL(unpack(x, "one", "two", "three"), "four"_s);
put_missing(x, "logger.console", atom("trace"));
CAF_CHECK_EQUAL(unpack(x, "logger", "console"), atom("none"));
}
CAF_TEST(put list) {
put_list(x, "integers").emplace_back(42);
CAF_CHECK(x.contains("integers"));
CAF_CHECK_EQUAL(unpack(x, "integers"), make_config_value_list(42));
put_list(x, "foo.bar").emplace_back("str");
CAF_CHECK_EQUAL(unpack(x, "foo", "bar"), make_config_value_list("str"));
put_list(x, "one.two.three").emplace_back(4);
CAF_CHECK_EQUAL(unpack(x, "one", "two", "three"), make_config_value_list(4));
}
CAF_TEST(put dictionary) {
put_dictionary(x, "logger").emplace("console", atom("none"));
CAF_CHECK(x.contains("logger"));
CAF_CHECK_EQUAL(unpack(x, "logger", "console"), atom("none"));
put_dictionary(x, "foo.bar").emplace("value", 42);
CAF_CHECK_EQUAL(unpack(x, "foo", "bar", "value"), 42);
put_dictionary(x, "one.two.three").emplace("four", "five");
CAF_CHECK_EQUAL(unpack(x, "one", "two", "three", "four"), "five"_s);
}
CAF_TEST(get and get_if) {
fill();
CAF_CHECK(get_if(&x, "hello") != nullptr);
CAF_CHECK(get_if<atom_value>(&x, "hello") == none);
CAF_REQUIRE(get_if<std::string>(&x, "hello") != none);
CAF_CHECK(get<std::string>(x, "hello") == "world"_s);
CAF_CHECK(get_if(&x, "logger.console") != nullptr);
CAF_CHECK(get_if<std::string>(&x, "logger.console") == none);
CAF_REQUIRE(get_if<atom_value>(&x, "logger.console") != none);
CAF_CHECK(get<atom_value>(x, "logger.console") == atom("none"));
CAF_CHECK(get_if(&x, "one.two.three") != nullptr);
CAF_CHECK(get_if<std::string>(&x, "one.two.three") == none);
CAF_REQUIRE(get_if<int>(&x, "one.two.three") != none);
CAF_CHECK(get<int>(x, "one.two.three") == 4);
}
CAF_TEST(get_or) {
fill();
CAF_CHECK_EQUAL(get_or(x, "hello", "nobody"), "world"_s);
CAF_CHECK_EQUAL(get_or(x, "hello", atom("nobody")), atom("nobody"));
CAF_CHECK_EQUAL(get_or(x, "goodbye", "nobody"), "nobody"_s);
}
CAF_TEST(custom type) {
put(x, "my-value.foo", 42);
put(x, "my-value.bar", 24);
CAF_REQUIRE(holds_alternative<foobar>(x, "my-value"));
CAF_REQUIRE(get_if<foobar>(&x, "my-value") != caf::none);
auto fb = get<foobar>(x, "my-value");
CAF_CHECK_EQUAL(fb.foo, 42);
CAF_CHECK_EQUAL(fb.bar, 24);
}
CAF_TEST_FIXTURE_SCOPE_END()
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