311 lines
No EOL
13 KiB
C++
311 lines
No EOL
13 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2015 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#include "catch.hpp"
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#include "ds_test_util.hpp"
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#include <mapnik/datasource.hpp>
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#include <mapnik/datasource_cache.hpp>
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#include <mapnik/geometry_type.hpp>
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#include <mapnik/util/fs.hpp>
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/*
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Compile and run just this test:
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clang++ -o test-postgis -g -I./test/ test/unit/run.cpp test/unit/datasource/postgis.cpp `mapnik-config --all-flags` && ./test-postgis -d yes
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*/
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#include <boost/optional/optional_io.hpp>
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int run(std::string const& command, bool okay_to_fail = false)
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{
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std::string cmd;
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if (std::getenv("DYLD_LIBRARY_PATH") != nullptr)
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{
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cmd += std::string("DYLD_LIBRARY_PATH=") + std::getenv("DYLD_LIBRARY_PATH") + " && ";
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}
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cmd += command;
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// silence output unless MAPNIK_TEST_DEBUG is defined
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if (std::getenv("MAPNIK_TEST_DEBUG") == nullptr)
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{
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#ifndef _WINDOWS
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cmd += " 2>/dev/null";
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#else
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cmd += " 2> nul";
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#endif
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}
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else
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{
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std::clog << "Running " << cmd << "\n";
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}
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bool worked = (std::system(cmd.c_str()) == 0);
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if (okay_to_fail == true) return true;
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return worked;
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}
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std::string dbname("mapnik-tmp-postgis-test-db");
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TEST_CASE("postgis") {
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SECTION("Postgis data initialization")
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{
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//don't add 'true' here, to get error message, when drop fails. If it works nothing is output
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REQUIRE(run("dropdb --if-exists " + dbname));
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REQUIRE(run("createdb -T template_postgis " + dbname));
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//REQUIRE(run("createdb " + dbname));
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// Breaks when raster support is missing (unfortunately this is common)
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//REQUIRE(run("psql -c 'CREATE EXTENSION postgis;' " + dbname, true));
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REQUIRE(run("psql -q -f ./test/data/sql/postgis-create-db-and-tables.sql " + dbname));
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}
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mapnik::parameters base_params;
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base_params["type"] = "postgis";
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base_params["dbname"] = dbname;
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SECTION("Postgis should throw without 'table' parameter")
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{
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mapnik::parameters params(base_params);
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CHECK_THROWS(mapnik::datasource_cache::instance().create(params));
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}
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SECTION("Postgis should throw with 'max_async_connection' greater than 'max_size'")
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{
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mapnik::parameters params(base_params);
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params["table"] = "test";
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params["max_async_connection"] = "2";
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params["max_size"] = "1";
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CHECK_THROWS(mapnik::datasource_cache::instance().create(params));
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}
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SECTION("Postgis should throw with invalid metadata query")
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{
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mapnik::parameters params(base_params);
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params["table"] = "does_not_exist";
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CHECK_THROWS(mapnik::datasource_cache::instance().create(params));
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}
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SECTION("Postgis should throw with invalid key field")
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{
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mapnik::parameters params(base_params);
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params["table"] = "test_invalid_id";
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params["key_field"] = "id";
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CHECK_THROWS(mapnik::datasource_cache::instance().create(params));
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}
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SECTION("Postgis should throw with multicolumn primary key")
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{
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mapnik::parameters params(base_params);
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params["table"] = "test_invalid_multi_col_pk";
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params["autodetect_key_field"] = "true";
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CHECK_THROWS(mapnik::datasource_cache::instance().create(params));
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}
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SECTION("Postgis should throw without geom column")
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{
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mapnik::parameters params(base_params);
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params["table"] = "test_no_geom_col";
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auto ds = mapnik::datasource_cache::instance().create(params);
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REQUIRE(ds != nullptr);
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CHECK_THROWS(all_features(ds));
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}
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SECTION("Postgis should throw with invalid credentials")
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{
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mapnik::parameters params(base_params);
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params["table"] = "test";
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params["user"] = "not_a_valid_user";
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params["password"] = "not_a_valid_pwd";
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CHECK_THROWS(mapnik::datasource_cache::instance().create(params));
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}
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SECTION("Postgis initialize dataset with persist_connection, schema, extent, geometry field, autodectect key field, simplify_geometries, row_limit")
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{
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mapnik::parameters params(base_params);
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params["persist_connection"] = "false";
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params["table"] = "public.test";
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params["geometry_field"] = "geom";
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params["autodetect_key_field"] = "true";
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params["extent"] = "-1 -1, -1 2, 4 3, 3 -1, -1 -1";
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params["simplify_geometries"] = "true";
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params["row_limit"] = "1";
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auto ds = mapnik::datasource_cache::instance().create(params);
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}
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SECTION("Postgis dataset geometry type")
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{
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mapnik::parameters params(base_params);
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params["table"] = "(SELECT * FROM test WHERE gid=1) as data";
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auto ds = mapnik::datasource_cache::instance().create(params);
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REQUIRE(ds != nullptr);
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CHECK(ds->get_geometry_type() == mapnik::datasource_geometry_t::Point);
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}
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SECTION("Postgis query field names")
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{
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mapnik::parameters params(base_params);
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params["table"] = "test";
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auto ds = mapnik::datasource_cache::instance().create(params);
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REQUIRE(ds != nullptr);
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REQUIRE(ds->type() == mapnik::datasource::datasource_t::Vector);
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auto fields = ds->get_descriptor().get_descriptors();
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require_field_names(fields, { "gid", "colbigint", "col_text", "col-char", "col+bool", "colnumeric", "colsmallint", "colfloat4", "colfloat8", "colcharacter" });
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require_field_types(fields, { mapnik::Integer, mapnik::Integer, mapnik::String, mapnik::String, mapnik::Boolean, mapnik::Double, mapnik::Integer, mapnik::Double, mapnik::Double, mapnik::String });
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}
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SECTION("Postgis iterate features")
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{
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mapnik::parameters params(base_params);
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params["table"] = "test";
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params["key_field"] = "gid";
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params["max_async_connection"] = "2";
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//params["cursor_size"] = "2";
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auto ds = mapnik::datasource_cache::instance().create(params);
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REQUIRE(ds != nullptr);
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auto featureset = ds->features_at_point(mapnik::coord2d(1, 1));
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mapnik::feature_ptr feature;
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while ((bool(feature = featureset->next()))) {
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REQUIRE(feature->get(2).to_string() == feature->get("col_text").to_string());
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REQUIRE(feature->get(4).to_bool() == feature->get("col+bool").to_bool());
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REQUIRE(feature->get(5).to_double() == feature->get("colnumeric").to_double());
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REQUIRE(feature->get(5).to_string() == feature->get("colnumeric").to_string());
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}
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featureset = all_features(ds);
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feature = featureset->next();
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//deactivate char tests for now: not yet implemented.
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//add at postgis_datasource.cpp:423
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//case 18: // char
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//REQUIRE("A" == feature->get("col-char").to_string());
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feature = featureset->next();
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//REQUIRE("B" == feature->get("col-char").to_string());
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feature = featureset->next();
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REQUIRE(false == feature->get("col+bool").to_bool());
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}
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SECTION("Postgis cursorresultest")
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{
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mapnik::parameters params(base_params);
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params["table"] = "(SELECT * FROM test) as data";
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params["cursor_size"] = "2";
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auto ds = mapnik::datasource_cache::instance().create(params);
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REQUIRE(ds != nullptr);
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auto featureset = all_features(ds);
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CHECK(count_features(featureset) == 8);
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featureset = all_features(ds);
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mapnik::feature_ptr feature;
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while (bool(feature = featureset->next())) {
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CHECK(feature->size() == 10);
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}
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featureset = all_features(ds);
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require_geometry(featureset->next(), 1, mapnik::geometry::geometry_types::Point);
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require_geometry(featureset->next(), 1, mapnik::geometry::geometry_types::Point);
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require_geometry(featureset->next(), 2, mapnik::geometry::geometry_types::MultiPoint);
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require_geometry(featureset->next(), 1, mapnik::geometry::geometry_types::LineString);
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require_geometry(featureset->next(), 2, mapnik::geometry::geometry_types::MultiLineString);
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require_geometry(featureset->next(), 1, mapnik::geometry::geometry_types::Polygon);
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require_geometry(featureset->next(), 2, mapnik::geometry::geometry_types::MultiPolygon);
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require_geometry(featureset->next(), 3, mapnik::geometry::geometry_types::GeometryCollection);
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}
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SECTION("Postgis bbox query")
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{
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mapnik::parameters params(base_params);
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params["table"] = "(SELECT * FROM public.test) as data WHERE geom && !bbox!";
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auto ds = mapnik::datasource_cache::instance().create(params);
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REQUIRE(ds != nullptr);
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mapnik::box2d<double> ext = ds->envelope();
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CAPTURE(ext);
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INFO(std::setprecision(6) << std::fixed << ext.minx() << "/" << ext.miny() << " " << ext.maxx() << "/" << ext.maxy());
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REQUIRE(ext.minx() == -2);
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REQUIRE(ext.miny() == -2);
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REQUIRE(ext.maxx() == 5);
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REQUIRE(ext.maxy() == 4);
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}
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SECTION("Postgis query extent: full dataset")
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{
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//include schema to increase coverage
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mapnik::parameters params(base_params);
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params["table"] = "(SELECT * FROM public.test) as data";
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auto ds = mapnik::datasource_cache::instance().create(params);
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REQUIRE(ds != nullptr);
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mapnik::box2d<double> ext = ds->envelope();
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CAPTURE(ext);
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INFO(std::setprecision(6) << std::fixed << ext.minx() << "/" << ext.miny() << " " << ext.maxx() << "/" << ext.maxy());
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REQUIRE(ext.minx() == -2);
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REQUIRE(ext.miny() == -2);
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REQUIRE(ext.maxx() == 5);
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REQUIRE(ext.maxy() == 4);
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}
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/* deactivated for merging: still investigating a proper fix
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SECTION("Postgis query extent from subquery")
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{
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mapnik::parameters params(base_params);
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params["table"] = "(SELECT * FROM test where gid=4) as data";
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auto ds = mapnik::datasource_cache::instance().create(params);
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REQUIRE(ds != nullptr);
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mapnik::box2d<double> ext = ds->envelope();
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CAPTURE(ext);
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INFO(std::setprecision(6) << std::fixed << ext.minx() << "/" << ext.miny() << " " << ext.maxx() << "/" << ext.maxy());
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REQUIRE(ext.minx() == 0);
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REQUIRE(ext.miny() == 0);
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REQUIRE(ext.maxx() == 1);
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REQUIRE(ext.maxy() == 2);
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}
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*/
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SECTION("Postgis query extent: from subquery with 'extent_from_subquery=true'")
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{
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mapnik::parameters params(base_params);
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params["table"] = "(SELECT * FROM test where gid=4) as data";
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params["extent_from_subquery"] = "true";
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auto ds = mapnik::datasource_cache::instance().create(params);
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REQUIRE(ds != nullptr);
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mapnik::box2d<double> ext = ds->envelope();
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CAPTURE(ext);
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INFO(std::setprecision(6) << std::fixed << ext.minx() << "/" << ext.miny() << " " << ext.maxx() << "/" << ext.maxy());
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REQUIRE(ext.minx() == 0);
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REQUIRE(ext.miny() == 0);
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REQUIRE(ext.maxx() == 1);
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REQUIRE(ext.maxy() == 2);
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}
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/* deactivated for merging: still investigating a proper fix
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SECTION("Postgis query extent: subset with 'extent_from_subquery=true' and 'scale_denominator'")
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{
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mapnik::parameters params(base_params);
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// !!!! postgis-vt-util::z() returns 'null' when 'scale_denominator > 600000000'
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// https://github.com/mapbox/postgis-vt-util/blob/559f073877696a6bfea41baf3e1065f9cf4d18d1/postgis-vt-util.sql#L615-L617
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params["table"] = "(SELECT * FROM test where gid=4 AND z(!scale_denominator!) BETWEEN 0 AND 22) as data";
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params["extent_from_subquery"] = "true";
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auto ds = mapnik::datasource_cache::instance().create(params);
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REQUIRE(ds != nullptr);
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mapnik::box2d<double> ext = ds->envelope();
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CAPTURE(ext);
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INFO("" << std::setprecision(6) << std::fixed << ext.minx() << "/" << ext.miny() << " " << ext.maxx() << "/" << ext.maxy());
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REQUIRE(ext.minx() == 0);
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REQUIRE(ext.miny() == 0);
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REQUIRE(ext.maxx() == 1);
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REQUIRE(ext.maxy() == 2);
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}
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*/
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} |