70 lines
2.6 KiB
C++
70 lines
2.6 KiB
C++
#include "gtest/gtest.h"
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#include <llmr/map/map.hpp>
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#include <llmr/util/image.hpp>
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#include <llmr/util/io.hpp>
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#include <llmr/util/std.hpp>
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#include "../common/headless_view.hpp"
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#include <rapidjson/document.h>
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const std::string base_directory = []{
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std::string fn = __FILE__;
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fn.erase(fn.find_last_of("/"));
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return fn;
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}();
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class HeadlessTest : public ::testing::TestWithParam<const char *> {};
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TEST_P(HeadlessTest, render) {
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const char *base = GetParam();
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const std::string style = llmr::util::read_file(base_directory + "/fixtures/styles/" + base + ".style.json");
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const std::string info = llmr::util::read_file(base_directory + "/fixtures/styles/" + base + ".info.json");
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const std::string expected_image = base_directory + "/fixtures/styles/" + base + ".expected.png";
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const std::string actual_image = base_directory + "/fixtures/styles/" + base + ".actual.png";
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// Parse settings.
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rapidjson::Document doc;
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doc.Parse<0>((const char *const)info.c_str());
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ASSERT_EQ(false, doc.HasParseError());
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const double zoom = doc.HasMember("zoom") ? doc["zoom"].GetDouble() : 0;
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const double angle = doc.HasMember("angle") ? doc["angle"].GetDouble() : 0;
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const double longitude = doc.HasMember("longitude") ? doc["longitude"].GetDouble() : 0;
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const double latitude = doc.HasMember("latitude") ? doc["latitude"].GetDouble() : 0;
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const unsigned int width = doc.HasMember("width") ? doc["width"].GetUint() : 0;
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const unsigned int height = doc.HasMember("height") ? doc["height"].GetUint() : 0;
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// Setup OpenGL
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llmr::HeadlessView view;
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llmr::Map map(view);
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view.resize(width, height);
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map.resize(width, height);
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map.setStyleJSON(style);
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map.setLonLatZoom(longitude, latitude, zoom);
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map.setAngle(angle);
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map.setDebug(false);
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// Run the loop. It will terminate when we don't have any further listeners.
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map.run();
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const std::unique_ptr<uint32_t[]> pixels(new uint32_t[width * height]);
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glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels.get());
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const std::string image = llmr::util::compress_png(width, height, pixels.get(), true);
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llmr::util::write_file(actual_image, image);
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const std::string expected_image_data(llmr::util::read_file(expected_image));
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const llmr::util::Image expected(expected_image_data, true);
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ASSERT_EQ(width, expected.getWidth());
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ASSERT_EQ(height, expected.getHeight());
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ASSERT_EQ(0, std::memcmp(pixels.get(), expected.getData(), width * height * 4));
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}
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INSTANTIATE_TEST_CASE_P(Headless, HeadlessTest,
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::testing::Values("0"));
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