Line data    Source code

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