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yaml.cpp
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Mon, Jul 8, 21:47

yaml.cpp
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#include <catch.hpp>
#include "specmicp_common/io/yaml.hpp"
#include "specmicp_common/io/safe_config.hpp"
#include <iostream>
using namespace specmicp;
using namespace specmicp::io;
const char* yaml_input =
R"(
---
section1:
{key1: value1, key2: 2, key3: true}
section2:
key4: value4
)";
TEST_CASE("YAML RO", "[yaml],[io]") {
SECTION("Parsing") {
auto file = RORichYAMLNode::parse_yaml_string(yaml_input);
CHECK(file.check("section1"));
CHECK(file.check("section2"));
CHECK(not file.check("section4"));
file.check_mandatory("section1");
RORichYAMLNode section1 = file["section1"];
CHECK_THROWS(file["section4"]);
const YAML::Node& node = section1.get_raw_node();
CHECK(node.IsSequence() == false);
CHECK(node.IsMap() == true);
std::string test = section1.get_mandatory<std::string>("key1");
CHECK(test == "value1");
CHECK(section1.get_mandatory<int>("key2") == 2);
CHECK(section1.get_mandatory<bool>("key3") == true);
CHECK(section1.get_optional<std::string>("keyopt", "opt") == "opt");
RORichYAMLNode section2 = file["section2"];
CHECK(section2.get_optional<std::string>("key4", "foo") == "value4");
}
}
const char* test_config =
R"(
---
vars:
int:
a: 1
b: 2
c: 4
float:
x: 1.0
y: 2.5
section1:
key1: attr1
key2: 3*a+b
key3: 3.0/b+y
key4: [1, 2, 3, 4]
key5: [1, 2.0, 3, 2+y, 5.4]
section2:
1: 1
2: 2
3: 3
4: 4
)";
TEST_CASE("SafeConfig", "[yaml],[io],[config]")
{
SECTION("Init")
{
std::cout << "Next warning about unread key 'Section 1' is OK : " << std::endl;
REQUIRE_NOTHROW(YAMLConfigFile::load_from_string(test_config, "test string"));
}
SECTION("SafeConfig")
{
auto fh = YAMLConfigFile::load_from_string(test_config, "test string");
fh.has_section("section1");
YAMLConfigHandle sec1 = fh.get_section("section1");
CHECK(sec1.get_required_attribute<std::string>("key1") == "attr1");
CHECK(sec1.get_required_attribute<scalar_t>("key3") == 4.0);
CHECK(sec1.get_optional_attribute<index_t>("key2", 0) == 5);
CHECK((sec1.list_to_vector<index_t>("key4") == std::vector<index_t>({1, 2, 3, 4})) );
CHECK((sec1.list_to_vector<scalar_t>("key5") == std::vector<scalar_t>({1, 2.0, 3, 4.5, 5.4})) );
int ind = 0;
auto sec2 = fh.get_section("section2");
for (auto it=sec2.map_begin(); it!=sec2.map_end(); ++it) {
auto res = it.get_as<scalar_t>();
CHECK(std::stod(res.first) == res.second);
++ind;
}
CHECK(ind == sec2.size());
}
}

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