/* Minetest Copyright (C) 2010-2014 kwolekr, Ryan Kwolek This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #include "test.h" #include "noise.h" #include "settings.h" #include "mapgen_v5.h" #include "util/sha1.h" #include "map_settings_manager.h" class TestMapSettingsManager : public TestBase { public: TestMapSettingsManager() { TestManager::registerTestModule(this); } const char *getName() { return "TestMapSettingsManager"; } void makeUserConfig(Settings *conf); std::string makeMetaFile(bool make_corrupt); void runTests(IGameDef *gamedef); void testMapSettingsManager(); void testMapMetaSaveLoad(); void testMapMetaFailures(); }; static TestMapSettingsManager g_test_instance; void TestMapSettingsManager::runTests(IGameDef *gamedef) { TEST(testMapSettingsManager); TEST(testMapMetaSaveLoad); TEST(testMapMetaFailures); } //////////////////////////////////////////////////////////////////////////////// void check_noise_params(const NoiseParams *np1, const NoiseParams *np2) { UASSERTEQ(float, np1->offset, np2->offset); UASSERTEQ(float, np1->scale, np2->scale); UASSERT(np1->spread == np2->spread); UASSERTEQ(s32, np1->seed, np2->seed); UASSERTEQ(u16, np1->octaves, np2->octaves); UASSERTEQ(float, np1->persist, np2->persist); UASSERTEQ(float, np1->lacunarity, np2->lacunarity); UASSERTEQ(u32, np1->flags, np2->flags); } std::string read_file_to_string(const std::string &filepath) { std::string buf; FILE *f = fopen(filepath.c_str(), "rb"); if (!f) return ""; fseek(f, 0, SEEK_END); long filesize = ftell(f); if (filesize == -1) { fclose(f); return ""; } rewind(f); buf.resize(filesize); UASSERTEQ(size_t, fread(&buf[0], 1, filesize, f), 1); fclose(f); return buf; } void TestMapSettingsManager::makeUserConfig(Settings *conf) { conf->set("mg_name", "v7"); conf->set("seed", "5678"); conf->set("water_level", "20"); conf->set("mgv5_np_factor", "0, 12, (500, 250, 500), 920382, 5, 0.45, 3.0"); conf->set("mgv5_np_height", "0, 15, (500, 250, 500), 841746, 5, 0.5, 3.0"); conf->set("mgv5_np_filler_depth", "20, 1, (150, 150, 150), 261, 4, 0.7, 1.0"); conf->set("mgv5_np_ground", "-43, 40, (80, 80, 80), 983240, 4, 0.55, 2.0"); } std::string TestMapSettingsManager::makeMetaFile(bool make_corrupt) { std::string metafile = getTestTempFile(); const char *metafile_contents = "mg_name = v5\n" "seed = 1234\n" "mg_flags = light\n" "mgv5_np_filler_depth = 20, 1, (150, 150, 150), 261, 4, 0.7, 1.0\n" "mgv5_np_height = 20, 10, (250, 250, 250), 84174, 4, 0.5, 1.0\n"; FILE *f = fopen(metafile.c_str(), "wb"); UASSERT(f != NULL); fputs(metafile_contents, f); if (!make_corrupt) fputs("[end_of_params]\n", f); fclose(f); return metafile; } void TestMapSettingsManager::testMapSettingsManager() { Settings user_settings; makeUserConfig(&user_settings); std::string test_mapmeta_path = makeMetaFile(false); MapSettingsManager mgr(&user_settings, test_mapmeta_path); std::string value; UASSERT(mgr.getMapSetting("mg_name", &value)); UASSERT(value == "v7"); // Pretend we're initializing the ServerMap UASSERT(mgr.loadMapMeta()); // Pretend some scripts are requesting mapgen params UASSERT(mgr.getMapSetting("mg_name", &value)); UASSERT(value == "v5"); UASSERT(mgr.getMapSetting("seed", &value)); UASSERT(value == "1234"); UASSERT(mgr.getMapSetting("water_level", &value)); UASSERT(value == "20"); // Pretend we have some mapgen settings configured from the scripting UASSERT(mgr.setMapSetting("water_level", "15")); UASSERT(mgr.setMapSetting("seed", "02468")); UASSERT(mgr.setMapSetting("mg_flags", "nolight", true)); NoiseParams script_np_filler_depth(0, 100, v3f(200, 100, 200), 261, 4, 0.7, 2.0); NoiseParams script_np_factor(0, 100, v3f(50, 50, 50), 920381, 3, 0.45, 2.0); NoiseParams script_np_height(0, 100, v3f(450, 450, 450), 84174, 4, 0.5, 2.0); NoiseParams meta_np_height(20, 10, v3f(250, 250, 250), 84174, 4, 0.5, 1.0); NoiseParams user_np_ground(-43, 40, v3f(80, 80, 80), 983240, 4, 0.55, 2.0, NOISE_FLAG_EASED); mgr.setMapSettingNoiseParams("mgv5_np_filler_depth", &script_np_filler_depth, true); mgr.setMapSettingNoiseParams("mgv5_np_height", &script_np_height); mgr.setMapSettingNoiseParams("mgv5_np_factor", &script_np_factor); // Now make our Params and see if the values are correctly sourced MapgenParams *params = mgr.makeMapgenParams(); UASSERT(params->mgtype == MAPGEN_V5); UASSERT(params->chunksize == 5); UASSERT(params->water_level == 15); UASSERT(params->seed == 1234); UASSERT((params->flags & MG_LIGHT) == 0); MapgenV5Params *v5params = (MapgenV5Params *)params; check_noise_params(&v5params->np_filler_depth, &script_np_filler_depth); check_noise_params(&v5params->np_factor, &script_np_factor); check_noise_params(&v5params->np_height, &meta_np_height); check_noise_params(&v5params->np_ground, &user_np_ground); UASSERT(mgr.setMapSetting("foobar", "25") == false); // Pretend the ServerMap is shutting down UASSERT(mgr.saveMapMeta()); // Make sure our interface expectations are met UASSERT(mgr.mapgen_params == params); UASSERT(mgr.makeMapgenParams() == params); #if 0 // TODO(paramat or hmmmm): change this to compare the result against a static file // Load the resulting map_meta.txt and make sure it contains what we expect unsigned char expected_contents_hash[20] = { 0x48, 0x3f, 0x88, 0x5a, 0xc0, 0x7a, 0x14, 0x48, 0xa4, 0x71, 0x78, 0x56, 0x95, 0x2d, 0xdc, 0x6a, 0xf7, 0x61, 0x36, 0x5f }; SHA1 ctx; std::string metafile_contents = read_file_to_string(test_mapmeta_path); ctx.addBytes(&metafile_contents[0], metafile_contents.size()); unsigned char *sha1_result = ctx.getDigest(); int resultdiff = memcmp(sha1_result, expected_contents_hash, 20); free(sha1_result); UASSERT(!resultdiff); #endif } void TestMapSettingsManager::testMapMetaSaveLoad() { Settings conf; std::string path = getTestTempDirectory() + DIR_DELIM + "foobar" + DIR_DELIM + "map_meta.txt"; // Create a set of mapgen params and save them to map meta conf.set("seed", "12345"); conf.set("water_level", "5"); MapSettingsManager mgr1(&conf, path); MapgenParams *params1 = mgr1.makeMapgenParams(); UASSERT(params1); UASSERT(mgr1.saveMapMeta()); // Now try loading the map meta to mapgen params conf.set("seed", "67890"); conf.set("water_level", "32"); MapSettingsManager mgr2(&conf, path); UASSERT(mgr2.loadMapMeta()); MapgenParams *params2 = mgr2.makeMapgenParams(); UASSERT(params2); // Check that both results are correct UASSERTEQ(u64, params1->seed, 12345); UASSERTEQ(s16, params1->water_level, 5); UASSERTEQ(u64, params2->seed, 12345); UASSERTEQ(s16, params2->water_level, 5); } void TestMapSettingsManager::testMapMetaFailures() { std::string test_mapmeta_path; Settings conf; // Check to see if it'll fail on a non-existent map meta file test_mapmeta_path = "woobawooba/fgdfg/map_meta.txt"; UASSERT(!fs::PathExists(test_mapmeta_path)); MapSettingsManager mgr1(&conf, test_mapmeta_path); UASSERT(!mgr1.loadMapMeta()); // Check to see if it'll fail on a corrupt map meta file test_mapmeta_path = makeMetaFile(true); UASSERT(fs::PathExists(test_mapmeta_path)); MapSettingsManager mgr2(&conf, test_mapmeta_path); UASSERT(!mgr2.loadMapMeta()); }