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openmw/apps/components_tests/lua/testyaml.cpp

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#include <gtest/gtest.h>
#include <sol/object.hpp>
#include <sol/state.hpp>
#include <sol/table.hpp>
#include <yaml-cpp/yaml.h>
#include <components/lua/yamlloader.hpp>
namespace
{
template <typename T>
bool checkNumber(sol::state_view& lua, const std::string& inputData, T requiredValue)
{
sol::object result = LuaUtil::loadYaml(inputData, lua);
if (result.get_type() != sol::type::number)
return false;
return result.as<T>() == requiredValue;
}
bool checkBool(sol::state_view& lua, const std::string& inputData, bool requiredValue)
{
sol::object result = LuaUtil::loadYaml(inputData, lua);
if (result.get_type() != sol::type::boolean)
return false;
return result.as<bool>() == requiredValue;
}
bool checkNil(sol::state_view& lua, const std::string& inputData)
{
sol::object result = LuaUtil::loadYaml(inputData, lua);
return result == sol::nil;
}
bool checkNan(sol::state_view& lua, const std::string& inputData)
{
sol::object result = LuaUtil::loadYaml(inputData, lua);
if (result.get_type() != sol::type::number)
return false;
return std::isnan(result.as<double>());
}
bool checkString(sol::state_view& lua, const std::string& inputData, const std::string& requiredValue)
{
sol::object result = LuaUtil::loadYaml(inputData, lua);
if (result.get_type() != sol::type::string)
return false;
return result.as<std::string>() == requiredValue;
}
bool checkString(sol::state_view& lua, const std::string& inputData)
{
sol::object result = LuaUtil::loadYaml(inputData, lua);
if (result.get_type() != sol::type::string)
return false;
return result.as<std::string>() == inputData;
}
TEST(LuaUtilYamlLoader, ScalarTypeDeduction)
{
sol::state lua;
ASSERT_TRUE(checkNil(lua, "null"));
ASSERT_TRUE(checkNil(lua, "Null"));
ASSERT_TRUE(checkNil(lua, "NULL"));
ASSERT_TRUE(checkNil(lua, "~"));
ASSERT_TRUE(checkNil(lua, ""));
ASSERT_FALSE(checkNil(lua, "NUll"));
ASSERT_TRUE(checkString(lua, "NUll"));
ASSERT_TRUE(checkString(lua, "'null'", "null"));
ASSERT_TRUE(checkNumber(lua, "017", 17));
ASSERT_TRUE(checkNumber(lua, "-017", -17));
ASSERT_TRUE(checkNumber(lua, "+017", 17));
ASSERT_TRUE(checkNumber(lua, "17", 17));
ASSERT_TRUE(checkNumber(lua, "-17", -17));
ASSERT_TRUE(checkNumber(lua, "+17", 17));
ASSERT_TRUE(checkNumber(lua, "0o17", 15));
ASSERT_TRUE(checkString(lua, "-0o17"));
ASSERT_TRUE(checkString(lua, "+0o17"));
ASSERT_TRUE(checkString(lua, "0b1"));
ASSERT_TRUE(checkString(lua, "1:00"));
ASSERT_TRUE(checkString(lua, "'17'", "17"));
ASSERT_TRUE(checkNumber(lua, "0x17", 23));
ASSERT_TRUE(checkString(lua, "'-0x17'", "-0x17"));
ASSERT_TRUE(checkString(lua, "'+0x17'", "+0x17"));
ASSERT_TRUE(checkNumber(lua, "2.1e-05", 2.1e-5));
ASSERT_TRUE(checkNumber(lua, "-2.1e-05", -2.1e-5));
ASSERT_TRUE(checkNumber(lua, "+2.1e-05", 2.1e-5));
ASSERT_TRUE(checkNumber(lua, "2.1e+5", 210000));
ASSERT_TRUE(checkNumber(lua, "-2.1e+5", -210000));
ASSERT_TRUE(checkNumber(lua, "+2.1e+5", 210000));
ASSERT_TRUE(checkNumber(lua, "0.27", 0.27));
ASSERT_TRUE(checkNumber(lua, "-0.27", -0.27));
ASSERT_TRUE(checkNumber(lua, "+0.27", 0.27));
ASSERT_TRUE(checkNumber(lua, "2.7", 2.7));
ASSERT_TRUE(checkNumber(lua, "-2.7", -2.7));
ASSERT_TRUE(checkNumber(lua, "+2.7", 2.7));
ASSERT_TRUE(checkNumber(lua, ".27", 0.27));
ASSERT_TRUE(checkNumber(lua, "-.27", -0.27));
ASSERT_TRUE(checkNumber(lua, "+.27", 0.27));
ASSERT_TRUE(checkNumber(lua, "27.", 27.0));
ASSERT_TRUE(checkNumber(lua, "-27.", -27.0));
ASSERT_TRUE(checkNumber(lua, "+27.", 27.0));
ASSERT_TRUE(checkNan(lua, ".nan"));
ASSERT_TRUE(checkNan(lua, ".NaN"));
ASSERT_TRUE(checkNan(lua, ".NAN"));
ASSERT_FALSE(checkNan(lua, "nan"));
ASSERT_FALSE(checkNan(lua, ".nAn"));
ASSERT_TRUE(checkString(lua, "'.nan'", ".nan"));
ASSERT_TRUE(checkString(lua, ".nAn"));
ASSERT_TRUE(checkNumber(lua, "1.7976931348623157E+308", std::numeric_limits<double>::max()));
ASSERT_TRUE(checkNumber(lua, "-1.7976931348623157E+308", std::numeric_limits<double>::lowest()));
ASSERT_TRUE(checkNumber(lua, "2.2250738585072014e-308", std::numeric_limits<double>::min()));
ASSERT_TRUE(checkNumber(lua, ".inf", std::numeric_limits<double>::infinity()));
ASSERT_TRUE(checkNumber(lua, "+.inf", std::numeric_limits<double>::infinity()));
ASSERT_TRUE(checkNumber(lua, "-.inf", -std::numeric_limits<double>::infinity()));
ASSERT_TRUE(checkNumber(lua, ".Inf", std::numeric_limits<double>::infinity()));
ASSERT_TRUE(checkNumber(lua, "+.Inf", std::numeric_limits<double>::infinity()));
ASSERT_TRUE(checkNumber(lua, "-.Inf", -std::numeric_limits<double>::infinity()));
ASSERT_TRUE(checkNumber(lua, ".INF", std::numeric_limits<double>::infinity()));
ASSERT_TRUE(checkNumber(lua, "+.INF", std::numeric_limits<double>::infinity()));
ASSERT_TRUE(checkNumber(lua, "-.INF", -std::numeric_limits<double>::infinity()));
ASSERT_TRUE(checkString(lua, ".INf"));
ASSERT_TRUE(checkString(lua, "-.INf"));
ASSERT_TRUE(checkString(lua, "+.INf"));
ASSERT_TRUE(checkBool(lua, "true", true));
ASSERT_TRUE(checkBool(lua, "false", false));
ASSERT_TRUE(checkBool(lua, "True", true));
ASSERT_TRUE(checkBool(lua, "False", false));
ASSERT_TRUE(checkBool(lua, "TRUE", true));
ASSERT_TRUE(checkBool(lua, "FALSE", false));
ASSERT_TRUE(checkString(lua, "y"));
ASSERT_TRUE(checkString(lua, "n"));
ASSERT_TRUE(checkString(lua, "On"));
ASSERT_TRUE(checkString(lua, "Off"));
ASSERT_TRUE(checkString(lua, "YES"));
ASSERT_TRUE(checkString(lua, "NO"));
ASSERT_TRUE(checkString(lua, "TrUe"));
ASSERT_TRUE(checkString(lua, "FaLsE"));
ASSERT_TRUE(checkString(lua, "'true'", "true"));
}
TEST(LuaUtilYamlLoader, DepthLimit)
{
sol::state lua;
const std::string input = R"(
array1: &array1_alias
[
<: *array1_alias,
foo
]
)";
bool depthExceptionThrown = false;
try
{
YAML::Node root = YAML::Load(input);
sol::object result = LuaUtil::loadYaml(input, lua);
}
catch (const std::runtime_error& e)
{
ASSERT_EQ(std::string(e.what()), "Maximum layers depth exceeded, probably caused by a circular reference");
depthExceptionThrown = true;
}
ASSERT_TRUE(depthExceptionThrown);
}
TEST(LuaUtilYamlLoader, Collections)
{
sol::state lua;
sol::object map = LuaUtil::loadYaml("{ x: , y: 2, 4: 5 }", lua);
ASSERT_EQ(map.as<sol::table>()["x"], sol::nil);
ASSERT_EQ(map.as<sol::table>()["y"], 2);
ASSERT_EQ(map.as<sol::table>()[4], 5);
sol::object array = LuaUtil::loadYaml("[ 3, 4 ]", lua);
ASSERT_EQ(array.as<sol::table>()[1], 3);
sol::object emptyTable = LuaUtil::loadYaml("{}", lua);
ASSERT_TRUE(emptyTable.as<sol::table>().empty());
sol::object emptyArray = LuaUtil::loadYaml("[]", lua);
ASSERT_TRUE(emptyArray.as<sol::table>().empty());
ASSERT_THROW(LuaUtil::loadYaml("{ null: 1 }", lua), std::runtime_error);
ASSERT_THROW(LuaUtil::loadYaml("{ .nan: 1 }", lua), std::runtime_error);
const std::string scalarArrayInput = R"(
- First Scalar
- 1
- true)";
sol::object scalarArray = LuaUtil::loadYaml(scalarArrayInput, lua);
ASSERT_EQ(scalarArray.as<sol::table>()[1], std::string("First Scalar"));
ASSERT_EQ(scalarArray.as<sol::table>()[2], 1);
ASSERT_EQ(scalarArray.as<sol::table>()[3], true);
const std::string scalarMapWithCommentsInput = R"(
string: 'str' # String value
integer: 65 # Integer value
float: 0.278 # Float value
bool: false # Boolean value)";
sol::object scalarMapWithComments = LuaUtil::loadYaml(scalarMapWithCommentsInput, lua);
ASSERT_EQ(scalarMapWithComments.as<sol::table>()["string"], std::string("str"));
ASSERT_EQ(scalarMapWithComments.as<sol::table>()["integer"], 65);
ASSERT_EQ(scalarMapWithComments.as<sol::table>()["float"], 0.278);
ASSERT_EQ(scalarMapWithComments.as<sol::table>()["bool"], false);
const std::string mapOfArraysInput = R"(
x:
- 2
- 7
- true
y:
- aaa
- false
- 1)";
sol::object mapOfArrays = LuaUtil::loadYaml(mapOfArraysInput, lua);
ASSERT_EQ(mapOfArrays.as<sol::table>()["x"][3], true);
ASSERT_EQ(mapOfArrays.as<sol::table>()["y"][1], std::string("aaa"));
const std::string arrayOfMapsInput = R"(
-
name: Name1
hr: 65
avg: 0.278
-
name: Name2
hr: 63
avg: 0.288)";
sol::object arrayOfMaps = LuaUtil::loadYaml(arrayOfMapsInput, lua);
ASSERT_EQ(arrayOfMaps.as<sol::table>()[1]["avg"], 0.278);
ASSERT_EQ(arrayOfMaps.as<sol::table>()[2]["name"], std::string("Name2"));
const std::string arrayOfArraysInput = R"(
- [Name1, 65, 0.278]
- [Name2 , 63, 0.288])";
sol::object arrayOfArrays = LuaUtil::loadYaml(arrayOfArraysInput, lua);
ASSERT_EQ(arrayOfArrays.as<sol::table>()[1][2], 65);
ASSERT_EQ(arrayOfArrays.as<sol::table>()[2][1], std::string("Name2"));
const std::string mapOfMapsInput = R"(
Name1: {hr: 65, avg: 0.278}
Name2 : {
hr: 63,
avg: 0.288,
})";
sol::object mapOfMaps = LuaUtil::loadYaml(mapOfMapsInput, lua);
ASSERT_EQ(mapOfMaps.as<sol::table>()["Name1"]["hr"], 65);
ASSERT_EQ(mapOfMaps.as<sol::table>()["Name2"]["avg"], 0.288);
}
TEST(LuaUtilYamlLoader, Structures)
{
sol::state lua;
const std::string twoDocumentsInput
= "---\n"
" - First Scalar\n"
" - 2\n"
" - true\n"
"\n"
"---\n"
" - Second Scalar\n"
" - 3\n"
" - false";
sol::object twoDocuments = LuaUtil::loadYaml(twoDocumentsInput, lua);
ASSERT_EQ(twoDocuments.as<sol::table>()[1][1], std::string("First Scalar"));
ASSERT_EQ(twoDocuments.as<sol::table>()[2][3], false);
const std::string anchorInput = R"(---
x:
- Name1
# Following node labeled as "a"
- &a Value1
y:
- *a # Subsequent occurrence
- Name2)";
sol::object anchor = LuaUtil::loadYaml(anchorInput, lua);
ASSERT_EQ(anchor.as<sol::table>()["y"][1], std::string("Value1"));
const std::string compoundKeyInput = R"(
? - String1
- String2
: - 1
? [ String3,
String4 ]
: [ 2, 3, 4 ])";
ASSERT_THROW(LuaUtil::loadYaml(compoundKeyInput, lua), std::runtime_error);
const std::string compactNestedMappingInput = R"(
- item : Item1
quantity: 2
- item : Item2
quantity: 4
- item : Item3
quantity: 11)";
sol::object compactNestedMapping = LuaUtil::loadYaml(compactNestedMappingInput, lua);
ASSERT_EQ(compactNestedMapping.as<sol::table>()[2]["quantity"], 4);
}
TEST(LuaUtilYamlLoader, Scalars)
{
sol::state lua;
const std::string literalScalarInput = R"(--- |
a
b
c)";
ASSERT_TRUE(checkString(lua, literalScalarInput, "a\nb\nc"));
const std::string foldedScalarInput = R"(--- >
a
b
c)";
ASSERT_TRUE(checkString(lua, foldedScalarInput, "a b c"));
const std::string multiLinePlanarScalarsInput = R"(
plain:
This unquoted scalar
spans many lines.
quoted: "So does this
quoted scalar.\n")";
sol::object multiLinePlanarScalars = LuaUtil::loadYaml(multiLinePlanarScalarsInput, lua);
ASSERT_TRUE(
multiLinePlanarScalars.as<sol::table>()["plain"] == std::string("This unquoted scalar spans many lines."));
ASSERT_TRUE(multiLinePlanarScalars.as<sol::table>()["quoted"] == std::string("So does this quoted scalar.\n"));
}
}
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