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#include <components/settings/shadermanager.hpp>
#include <components/testing/util.hpp>
#include <filesystem>
#include <fstream>
#include <gtest/gtest.h>
namespace
{
using namespace testing;
using namespace Settings;
struct ShaderSettingsTest : Test
{
template <typename F>
void withSettingsFile(const std::string& content, F&& f)
{
auto path = TestingOpenMW::outputFilePath(
std::string(UnitTest::GetInstance()->current_test_info()->name()) + ".yaml");
{
std::ofstream stream;
stream.open(path);
stream << content;
stream.close();
}
f(path);
}
};
TEST_F(ShaderSettingsTest, fail_to_fetch_then_set_and_succeed)
{
const std::string content =
R"YAML(
config:
shader:
vec3_uniform: [1.0, 2.0]
)YAML";
withSettingsFile(content, [](const auto& path) {
EXPECT_TRUE(ShaderManager::get().load(path));
EXPECT_FALSE(ShaderManager::get().getValue<osg::Vec3f>("shader", "vec3_uniform").has_value());
EXPECT_TRUE(ShaderManager::get().setValue<osg::Vec3f>("shader", "vec3_uniform", osg::Vec3f(1, 2, 3)));
EXPECT_TRUE(ShaderManager::get().getValue<osg::Vec3f>("shader", "vec3_uniform").has_value());
EXPECT_EQ(ShaderManager::get().getValue<osg::Vec3f>("shader", "vec3_uniform").value(), osg::Vec3f(1, 2, 3));
EXPECT_TRUE(ShaderManager::get().save());
});
}
TEST_F(ShaderSettingsTest, fail_to_load_file_then_fail_to_set_and_get)
{
const std::string content =
R"YAML(
config:
shader:
uniform: 12.0
>Defeated by a sideways carrot
)YAML";
withSettingsFile(content, [](const auto& path) {
EXPECT_FALSE(ShaderManager::get().load(path));
EXPECT_FALSE(ShaderManager::get().setValue("shader", "uniform", 12.0));
EXPECT_FALSE(ShaderManager::get().getValue<float>("shader", "uniform").has_value());
EXPECT_FALSE(ShaderManager::get().save());
});
}
}
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