137 lines
4.8 KiB
C++
137 lines
4.8 KiB
C++
#include "gtest/gtest.h"
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#include <mbgl/map/map.hpp>
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#include <mbgl/util/image.hpp>
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#include <mbgl/util/io.hpp>
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#include <mbgl/util/std.hpp>
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#include <rapidjson/document.h>
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#include <rapidjson/writer.h>
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#include <rapidjson/stringbuffer.h>
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#include <mbgl/platform/default/headless_view.hpp>
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#include <mbgl/platform/default/headless_display.hpp>
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#include "./fixtures/fixture_log.hpp"
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#include <dirent.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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fn.erase(fn.find_last_of("/"));
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return fn + "/node_modules/mapbox-gl-test-suite/";
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}();
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auto display_ = std::make_shared<mbgl::HeadlessDisplay>();
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class HeadlessTest : public ::testing::TestWithParam<std::string> {};
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TEST_P(HeadlessTest, render) {
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using namespace mbgl;
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const std::string &base = GetParam();
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std::string style = util::read_file(base_directory + "tests/" + base + "/style.json");
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std::string info = util::read_file(base_directory + "tests/" + base + "/info.json");
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// Parse style.
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rapidjson::Document styleDoc;
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styleDoc.Parse<0>((const char *const)style.c_str());
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ASSERT_FALSE(styleDoc.HasParseError());
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ASSERT_TRUE(styleDoc.IsObject());
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rapidjson::StringBuffer buffer;
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rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
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styleDoc.Accept(writer);
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style = buffer.GetString();
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// Parse settings.
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rapidjson::Document infoDoc;
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infoDoc.Parse<0>((const char *const)info.c_str());
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ASSERT_FALSE(infoDoc.HasParseError());
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ASSERT_TRUE(infoDoc.IsObject());
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Log::Set<FixtureLogBackend>();
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for (auto it = infoDoc.MemberBegin(), end = infoDoc.MemberEnd(); it != end; it++) {
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const std::string name { it->name.GetString(), it->name.GetStringLength() };
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const rapidjson::Value &value = it->value;
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ASSERT_TRUE(value.IsObject());
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if (value.HasMember("center")) ASSERT_TRUE(value["center"].IsArray());
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const std::string actual_image = base_directory + "tests/" + base + "/" + name + "/actual.png";
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const double zoom = value.HasMember("zoom") ? value["zoom"].GetDouble() : 0;
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const double bearing = value.HasMember("bearing") ? value["bearing"].GetDouble() : 0;
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const double latitude = value.HasMember("center") ? value["center"][rapidjson::SizeType(0)].GetDouble() : 0;
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const double longitude = value.HasMember("center") ? value["center"][rapidjson::SizeType(1)].GetDouble() : 0;
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const unsigned int width = value.HasMember("width") ? value["width"].GetUint() : 512;
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const unsigned int height = value.HasMember("height") ? value["height"].GetUint() : 512;
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const unsigned int pixelRatio = value.HasMember("pixelRatio") ? value["pixelRatio"].GetUint() : 1;
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std::vector<std::string> classes;
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if (value.HasMember("classes")) {
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const rapidjson::Value &js_classes = value["classes"];
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ASSERT_TRUE(js_classes.IsArray());
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for (rapidjson::SizeType i = 0; i < js_classes.Size(); i++) {
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const rapidjson::Value &js_class = js_classes[i];
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ASSERT_TRUE(js_class.IsString());
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classes.push_back({ js_class.GetString(), js_class.GetStringLength() });
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}
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}
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HeadlessView view(display_);
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Map map(view);
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map.setStyleJSON(style, base_directory);
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map.setAppliedClasses(classes);
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view.resize(width, height, pixelRatio);
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map.resize(width, height, pixelRatio);
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map.setLonLatZoom(longitude, latitude, zoom);
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map.setBearing(bearing);
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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 unsigned int w = width * pixelRatio;
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const unsigned int h = height * pixelRatio;
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auto pixels = view.readPixels();
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const int stride = w * 4;
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auto tmp = std::unique_ptr<char[]>(new char[stride]());
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char *rgba = reinterpret_cast<char *>(pixels.get());
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for (int i = 0, j = height - 2; i < j; i++, j--) {
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memcpy(tmp.get(), rgba + i * stride, stride);
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memcpy(rgba + i * stride, rgba + j * stride, stride);
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memcpy(rgba + j * stride, tmp.get(), stride);
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}
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const std::string image = util::compress_png(w, h, pixels.get());
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util::write_file(actual_image, image);
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}
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}
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INSTANTIATE_TEST_CASE_P(Headless, HeadlessTest, ::testing::ValuesIn([] {
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std::vector<std::string> names;
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DIR *dir = opendir((base_directory + "tests").c_str());
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if (dir == nullptr) {
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return names;
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}
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for (dirent *dp = nullptr; (dp = readdir(dir)) != nullptr;) {
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const std::string name = dp->d_name;
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if (name != "." && name != ".." && name != "index.html") {
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names.push_back(name);
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}
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}
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closedir(dir);
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return names;
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}()));
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