3 Copyright (C) 2010-2014 kwolekr, Ryan Kwolek <kwolekr@minetest.net>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU Lesser General Public License as published by
7 the Free Software Foundation; either version 2.1 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public License along
16 with this program; if not, write to the Free Software Foundation, Inc.,
17 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 #include "mapgen/mapgen_v5.h"
25 #include "util/sha1.h"
26 #include "map_settings_manager.h"
28 class TestMapSettingsManager : public TestBase {
30 TestMapSettingsManager() { TestManager::registerTestModule(this); }
31 const char *getName() { return "TestMapSettingsManager"; }
33 void makeUserConfig();
34 std::string makeMetaFile(bool make_corrupt);
36 void runTests(IGameDef *gamedef);
38 void testMapSettingsManager();
39 void testMapMetaSaveLoad();
40 void testMapMetaFailures();
43 static TestMapSettingsManager g_test_instance;
45 void TestMapSettingsManager::runTests(IGameDef *gamedef)
47 TEST(testMapSettingsManager);
48 TEST(testMapMetaSaveLoad);
49 TEST(testMapMetaFailures);
52 ////////////////////////////////////////////////////////////////////////////////
55 void check_noise_params(const NoiseParams *np1, const NoiseParams *np2)
57 UASSERTEQ(float, np1->offset, np2->offset);
58 UASSERTEQ(float, np1->scale, np2->scale);
59 UASSERT(np1->spread == np2->spread);
60 UASSERTEQ(s32, np1->seed, np2->seed);
61 UASSERTEQ(u16, np1->octaves, np2->octaves);
62 UASSERTEQ(float, np1->persist, np2->persist);
63 UASSERTEQ(float, np1->lacunarity, np2->lacunarity);
64 UASSERTEQ(u32, np1->flags, np2->flags);
68 void TestMapSettingsManager::makeUserConfig()
70 delete Settings::getLayer(SL_GLOBAL);
71 Settings *conf = Settings::createLayer(SL_GLOBAL);
73 conf->set("mg_name", "v7");
74 conf->set("seed", "5678");
75 conf->set("water_level", "20");
76 conf->set("mgv5_np_factor", "0, 12, (500, 250, 500), 920382, 5, 0.45, 3.0");
77 conf->set("mgv5_np_height", "0, 15, (500, 250, 500), 841746, 5, 0.5, 3.0");
78 conf->set("mgv5_np_filler_depth", "20, 1, (150, 150, 150), 261, 4, 0.7, 1.0");
79 conf->set("mgv5_np_ground", "-43, 40, (80, 80, 80), 983240, 4, 0.55, 2.0");
83 std::string TestMapSettingsManager::makeMetaFile(bool make_corrupt)
85 std::string metafile = getTestTempFile();
87 const char *metafile_contents =
91 "mgv5_np_filler_depth = 20, 1, (150, 150, 150), 261, 4, 0.7, 1.0\n"
92 "mgv5_np_height = 20, 10, (250, 250, 250), 84174, 4, 0.5, 1.0\n";
94 FILE *f = fopen(metafile.c_str(), "wb");
97 fputs(metafile_contents, f);
99 fputs("[end_of_params]\n", f);
107 void TestMapSettingsManager::testMapSettingsManager()
111 std::string test_mapmeta_path = makeMetaFile(false);
113 MapSettingsManager mgr(test_mapmeta_path);
116 UASSERT(mgr.getMapSetting("mg_name", &value));
117 UASSERT(value == "v7");
119 // Pretend we're initializing the ServerMap
120 UASSERT(mgr.loadMapMeta());
122 // Pretend some scripts are requesting mapgen params
123 UASSERT(mgr.getMapSetting("mg_name", &value));
124 UASSERT(value == "v5");
125 UASSERT(mgr.getMapSetting("seed", &value));
126 UASSERT(value == "1234");
127 UASSERT(mgr.getMapSetting("water_level", &value));
128 UASSERT(value == "20");
130 // Pretend we have some mapgen settings configured from the scripting
131 UASSERT(mgr.setMapSetting("water_level", "15"));
132 UASSERT(mgr.setMapSetting("seed", "02468"));
133 UASSERT(mgr.setMapSetting("mg_flags", "nolight", true));
135 NoiseParams script_np_filler_depth(0, 100, v3f(200, 100, 200), 261, 4, 0.7, 2.0);
136 NoiseParams script_np_factor(0, 100, v3f(50, 50, 50), 920381, 3, 0.45, 2.0);
137 NoiseParams script_np_height(0, 100, v3f(450, 450, 450), 84174, 4, 0.5, 2.0);
138 NoiseParams meta_np_height(20, 10, v3f(250, 250, 250), 84174, 4, 0.5, 1.0);
139 NoiseParams user_np_ground(-43, 40, v3f(80, 80, 80), 983240, 4, 0.55, 2.0, NOISE_FLAG_EASED);
141 mgr.setMapSettingNoiseParams("mgv5_np_filler_depth", &script_np_filler_depth, true);
142 mgr.setMapSettingNoiseParams("mgv5_np_height", &script_np_height);
143 mgr.setMapSettingNoiseParams("mgv5_np_factor", &script_np_factor);
147 mgr.getMapSettingNoiseParams("mgv5_np_factor", &dummy);
148 check_noise_params(&dummy, &script_np_factor);
151 // The settings manager MUST leave user settings alone
152 mgr.setMapSetting("testname", "1");
153 mgr.setMapSetting("testname", "1", true);
154 UASSERT(!Settings::getLayer(SL_GLOBAL)->exists("testname"));
156 // Now make our Params and see if the values are correctly sourced
157 MapgenParams *params = mgr.makeMapgenParams();
158 UASSERT(params->mgtype == MAPGEN_V5);
159 UASSERT(params->chunksize == 5);
160 UASSERT(params->water_level == 15);
161 UASSERT(params->seed == 1234);
162 UASSERT((params->flags & MG_LIGHT) == 0);
164 MapgenV5Params *v5params = (MapgenV5Params *)params;
166 check_noise_params(&v5params->np_filler_depth, &script_np_filler_depth);
167 check_noise_params(&v5params->np_factor, &script_np_factor);
168 check_noise_params(&v5params->np_height, &meta_np_height);
169 check_noise_params(&v5params->np_ground, &user_np_ground);
171 UASSERT(mgr.setMapSetting("foobar", "25") == false);
173 // Pretend the ServerMap is shutting down
174 UASSERT(mgr.saveMapMeta());
176 // Make sure our interface expectations are met
177 UASSERT(mgr.mapgen_params == params);
178 UASSERT(mgr.makeMapgenParams() == params);
181 // TODO(paramat or hmmmm): change this to compare the result against a static file
183 // Load the resulting map_meta.txt and make sure it contains what we expect
184 unsigned char expected_contents_hash[20] = {
185 0x48, 0x3f, 0x88, 0x5a, 0xc0, 0x7a, 0x14, 0x48, 0xa4, 0x71,
186 0x78, 0x56, 0x95, 0x2d, 0xdc, 0x6a, 0xf7, 0x61, 0x36, 0x5f
190 std::string metafile_contents;
191 UASSERT(fs::ReadFile(test_mapmeta_path, metafile_contents));
192 ctx.addBytes(&metafile_contents[0], metafile_contents.size());
193 unsigned char *sha1_result = ctx.getDigest();
194 int resultdiff = memcmp(sha1_result, expected_contents_hash, 20);
197 UASSERT(!resultdiff);
202 void TestMapSettingsManager::testMapMetaSaveLoad()
204 std::string path = getTestTempDirectory()
205 + DIR_DELIM + "foobar" + DIR_DELIM + "map_meta.txt";
208 Settings &conf = *Settings::getLayer(SL_GLOBAL);
210 // There cannot be two MapSettingsManager
211 // copy the mapgen params to compare them
212 MapgenParams params1, params2;
213 // Create a set of mapgen params and save them to map meta
215 conf.set("seed", "12345");
216 conf.set("water_level", "5");
217 MapSettingsManager mgr(path);
218 MapgenParams *params = mgr.makeMapgenParams();
221 params1.bparams = nullptr; // No double-free
222 UASSERT(mgr.saveMapMeta());
225 // Now try loading the map meta to mapgen params
227 conf.set("seed", "67890");
228 conf.set("water_level", "32");
229 MapSettingsManager mgr(path);
230 UASSERT(mgr.loadMapMeta());
231 MapgenParams *params = mgr.makeMapgenParams();
234 params2.bparams = nullptr; // No double-free
237 // Check that both results are correct
238 UASSERTEQ(u64, params1.seed, 12345);
239 UASSERTEQ(s16, params1.water_level, 5);
240 UASSERTEQ(u64, params2.seed, 12345);
241 UASSERTEQ(s16, params2.water_level, 5);
245 void TestMapSettingsManager::testMapMetaFailures()
247 std::string test_mapmeta_path;
249 // Check to see if it'll fail on a non-existent map meta file
251 test_mapmeta_path = "woobawooba/fgdfg/map_meta.txt";
252 UASSERT(!fs::PathExists(test_mapmeta_path));
254 MapSettingsManager mgr1(test_mapmeta_path);
255 UASSERT(!mgr1.loadMapMeta());
258 // Check to see if it'll fail on a corrupt map meta file
260 test_mapmeta_path = makeMetaFile(true);
261 UASSERT(fs::PathExists(test_mapmeta_path));
263 MapSettingsManager mgr2(test_mapmeta_path);
264 UASSERT(!mgr2.loadMapMeta());