Line data    Source code

       1             : /******************************************************************************
       2             :  *
       3             :  * Project:  GDAL Core
       4             :  * Purpose:  Test OSRSetPROJSearchPaths()
       5             :  * Author:   Even Rouault, <even dot rouault at spatialys dot com>
       6             :  *
       7             :  ******************************************************************************
       8             :  * Copyright (c) 2019, Even Rouault <even dot rouault at spatialys dot com>
       9             :  *
      10             :  * SPDX-License-Identifier: MIT
      11             :  ****************************************************************************/
      12             : 
      13             : #include <stdlib.h>
      14             : 
      15             : #include "cpl_error.h"
      16             : #include "cpl_string.h"
      17             : #include "ogr_srs_api.h"
      18             : #include "cpl_multiproc.h"
      19             : 
      20             : #include "test_data.h"
      21             : #include "gtest_include.h"
      22             : 
      23             : namespace
      24             : {
      25             : 
      26             : // ---------------------------------------------------------------------------
      27             : 
      28           2 : static void func1(void *)
      29             : {
      30           2 :     OGRSpatialReferenceH hSRS = OSRNewSpatialReference(nullptr);
      31           2 :     CPLPushErrorHandler(CPLQuietErrorHandler);
      32           2 :     auto ret = OSRImportFromEPSG(hSRS, 32631);
      33           2 :     CPLPopErrorHandler();
      34           2 :     EXPECT_NE(ret, OGRERR_NONE);
      35           2 :     OSRDestroySpatialReference(hSRS);
      36           2 : }
      37             : 
      38           2 : static void func2(void *)
      39             : {
      40           2 :     OGRSpatialReferenceH hSRS = OSRNewSpatialReference(nullptr);
      41           2 :     EXPECT_EQ(OSRImportFromEPSG(hSRS, 32631), OGRERR_NONE);
      42           2 :     OSRDestroySpatialReference(hSRS);
      43           2 : }
      44             : 
      45           4 : TEST(test_osr_set_proj_search_paths, test)
      46             : {
      47           1 :     auto tokens = OSRGetPROJSearchPaths();
      48             : 
      49             :     // Overriding PROJ_LIB and PROJ_DATA
      50             :     static char szPROJ_LIB[] = "PROJ_LIB=/i_do/not_exist";
      51           1 :     putenv(szPROJ_LIB);
      52             :     static char szPROJ_DATA[] = "PROJ_DATA=/i_do/not_exist";
      53           1 :     putenv(szPROJ_DATA);
      54             : 
      55             :     // Test we can no longer find the database
      56           1 :     func1(nullptr);
      57             : 
      58             :     // In a thread as well
      59           1 :     auto t1 = CPLCreateJoinableThread(func1, nullptr);
      60           1 :     CPLJoinThread(t1);
      61             : 
      62             :     {
      63           1 :         const char *const apszDummyPaths[] = {"/i/am/dummy", nullptr};
      64           1 :         OSRSetPROJSearchPaths(apszDummyPaths);
      65           1 :         auto tokens2 = OSRGetPROJSearchPaths();
      66           1 :         EXPECT_STREQ(tokens2[0], "/i/am/dummy");
      67           1 :         CSLDestroy(tokens2);
      68             :     }
      69             : 
      70             :     // Use OSRSetPROJSearchPaths to restore search paths
      71           1 :     OSRSetPROJSearchPaths(tokens);
      72             : 
      73             :     // This time this should work
      74           1 :     func2(nullptr);
      75             : 
      76             :     // In a thread as well
      77           1 :     auto t2 = CPLCreateJoinableThread(func2, nullptr);
      78           1 :     CPLJoinThread(t2);
      79             : 
      80           1 :     CSLDestroy(tokens);
      81           1 :     OSRCleanup();
      82           1 : }
      83             : 
      84           4 : static void osr_cleanup_in_threads_thread_func(void *)
      85             : {
      86           4 :     OGRSpatialReferenceH hSRS = OSRNewSpatialReference(nullptr);
      87           4 :     EXPECT_EQ(OSRImportFromEPSG(hSRS, 32631), OGRERR_NONE);
      88             : 
      89             :     // Test cleanup effect
      90           4 :     OSRCleanup();
      91             : 
      92         248 :     for (int epsg = 32601; epsg <= 32661; epsg++)
      93             :     {
      94         244 :         EXPECT_EQ(OSRImportFromEPSG(hSRS, epsg), OGRERR_NONE);
      95         244 :         EXPECT_EQ(OSRImportFromEPSG(hSRS, epsg + 100), OGRERR_NONE);
      96             :     }
      97           4 :     OSRDestroySpatialReference(hSRS);
      98           4 : }
      99             : 
     100           4 : TEST(test_osr_set_proj_search_paths, osr_cleanup_in_threads)
     101             : {
     102             :     // Test fix for #2744
     103             :     CPLJoinableThread *ahThreads[4];
     104           5 :     for (int i = 0; i < 4; i++)
     105             :     {
     106           4 :         ahThreads[i] = CPLCreateJoinableThread(
     107             :             osr_cleanup_in_threads_thread_func, nullptr);
     108             :     }
     109           5 :     for (int i = 0; i < 4; i++)
     110             :     {
     111           4 :         CPLJoinThread(ahThreads[i]);
     112             :     }
     113           1 : }
     114             : 
     115           4 : TEST(test_osr_set_proj_search_paths, auxiliary_db)
     116             : {
     117             :     // This test use auxiliary database created with proj 6.3.2
     118             :     // (tested up to 8.0.0) and can be sensitive to future
     119             :     // database structure change.
     120             :     //
     121             :     // See PR https://github.com/OSGeo/gdal/pull/3590
     122             :     //
     123             :     // Starting with sqlite 3.41, and commit
     124             :     // https://github.com/sqlite/sqlite/commit/ed07d0ea765386c5bdf52891154c70f048046e60
     125             :     // we must use the same exact table definition in the auxiliary db, otherwise
     126             :     // SQLite3 is confused regarding column types. Hence this PROJ >= 9 check,
     127             :     // to use a table structure identical to proj.db of PROJ 9.
     128           1 :     int nPROJMajor = 0;
     129           1 :     OSRGetPROJVersion(&nPROJMajor, nullptr, nullptr);
     130           1 :     const char *apszAux0[] = {nPROJMajor >= 9
     131           1 :                                   ? TUT_ROOT_DATA_DIR "/test_aux_proj_9.db"
     132             :                                   : TUT_ROOT_DATA_DIR "/test_aux.db",
     133           1 :                               nullptr};
     134           1 :     OSRSetPROJAuxDbPaths(apszAux0);
     135             : 
     136           1 :     CPLStringList aosAux1(OSRGetPROJAuxDbPaths());
     137           1 :     ASSERT_EQ(aosAux1.size(), 1);
     138           1 :     ASSERT_STREQ(apszAux0[0], aosAux1[0]);
     139           1 :     OGRSpatialReferenceH hSRS = OSRNewSpatialReference(nullptr);
     140           1 :     EXPECT_EQ(OSRImportFromEPSG(hSRS, 4326), OGRERR_NONE);
     141           1 :     EXPECT_EQ(OSRImportFromEPSG(hSRS, 111111), OGRERR_NONE);
     142           1 :     OSRDestroySpatialReference(hSRS);
     143             : }
     144             : 
     145             : }  // namespace