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#include "catch.hpp"
#include "utils.hpp"
#include <osmium/io/any_compression.hpp>
#include <osmium/io/output_iterator.hpp>
#include <osmium/io/xml_input.hpp>
#include <osmium/io/xml_output.hpp>
#include <osmium/memory/buffer.hpp>
#include <algorithm>
#include <iterator>
#include <stdexcept>
#include <string>
#include <utility>
namespace {
osmium::memory::Buffer get_buffer() {
osmium::io::Reader reader{with_data_dir("t/io/data.osm")};
osmium::memory::Buffer buffer = reader.read();
REQUIRE(buffer);
REQUIRE(buffer.committed() > 0);
return buffer;
}
osmium::memory::Buffer get_and_check_buffer() {
auto buffer = get_buffer();
const auto num = std::distance(buffer.select<osmium::OSMObject>().cbegin(), buffer.select<osmium::OSMObject>().cend());
REQUIRE(num > 0);
REQUIRE(buffer.select<osmium::OSMObject>().cbegin()->id() == 1);
return buffer;
}
} // anonymous namespace
TEST_CASE("Writer: Empty writes") {
const int count = count_fds();
std::string filename;
SECTION("Empty buffer") {
filename = "test-writer-out-empty-buffer.osm";
osmium::io::Writer writer{filename, osmium::io::overwrite::allow};
osmium::memory::Buffer empty_buffer{1024};
writer(std::move(empty_buffer));
writer.close();
}
SECTION("Invalid buffer") {
filename = "test-writer-out-invalid-buffer.osm";
osmium::io::Writer writer{filename, osmium::io::overwrite::allow};
osmium::memory::Buffer invalid_buffer;
writer(std::move(invalid_buffer));
writer.close();
}
osmium::io::Reader reader_check{filename};
const osmium::memory::Buffer buffer_check = reader_check.read();
REQUIRE_FALSE(buffer_check);
REQUIRE(count == count_fds());
}
TEST_CASE("Writer: Successful writes writing buffer") {
const int count = count_fds();
auto buffer = get_buffer();
const auto num = std::distance(buffer.select<osmium::OSMObject>().cbegin(), buffer.select<osmium::OSMObject>().cend());
REQUIRE(num > 0);
REQUIRE(buffer.select<osmium::OSMObject>().cbegin()->id() == 1);
const std::string filename = "test-writer-out-buffer.osm";
osmium::io::Writer writer{filename, osmium::io::Header{}, osmium::io::overwrite::allow};
writer(std::move(buffer));
writer.close();
REQUIRE(count == count_fds());
REQUIRE_THROWS_AS(writer(osmium::memory::Buffer{}), osmium::io_error);
osmium::io::Reader reader_check{filename};
const osmium::memory::Buffer buffer_check = reader_check.read();
REQUIRE(buffer_check);
REQUIRE(buffer_check.committed() > 0);
REQUIRE(buffer_check.select<osmium::OSMObject>().size() == static_cast<std::size_t>(num));
REQUIRE(buffer_check.select<osmium::OSMObject>().cbegin()->id() == 1);
}
TEST_CASE("Writer: Successful writes writing items") {
const int count = count_fds();
auto buffer = get_buffer();
const auto num = std::distance(buffer.select<osmium::OSMObject>().cbegin(), buffer.select<osmium::OSMObject>().cend());
REQUIRE(num > 0);
REQUIRE(buffer.select<osmium::OSMObject>().cbegin()->id() == 1);
const std::string filename = "test-writer-out-item.osm";
osmium::io::Writer writer{filename, osmium::io::overwrite::allow};
for (const auto& item : buffer) {
writer(item);
}
writer.close();
REQUIRE(count == count_fds());
osmium::io::Reader reader_check{filename};
const osmium::memory::Buffer buffer_check = reader_check.read();
REQUIRE(buffer_check);
REQUIRE(buffer_check.committed() > 0);
REQUIRE(buffer_check.select<osmium::OSMObject>().size() == static_cast<std::size_t>(num));
REQUIRE(buffer_check.select<osmium::OSMObject>().cbegin()->id() == 1);
}
TEST_CASE("Writer: Successful writes using output iterator") {
const int count = count_fds();
auto buffer = get_buffer();
const auto num = std::distance(buffer.select<osmium::OSMObject>().cbegin(), buffer.select<osmium::OSMObject>().cend());
REQUIRE(num > 0);
REQUIRE(buffer.select<osmium::OSMObject>().cbegin()->id() == 1);
const std::string filename = "test-writer-out-iterator.osm";
osmium::io::Writer writer{filename, osmium::io::overwrite::allow};
auto it = osmium::io::make_output_iterator(writer);
std::copy(buffer.cbegin(), buffer.cend(), it);
writer.close();
REQUIRE(count == count_fds());
osmium::io::Reader reader_check{filename};
const osmium::memory::Buffer buffer_check = reader_check.read();
REQUIRE(buffer_check);
REQUIRE(buffer_check.committed() > 0);
REQUIRE(buffer_check.select<osmium::OSMObject>().size() == static_cast<std::size_t>(num));
REQUIRE(buffer_check.select<osmium::OSMObject>().cbegin()->id() == 1);
}
TEST_CASE("Writer: Interrupted writer after open") {
const int count = count_fds();
auto buffer = get_and_check_buffer();
bool error = false;
try {
const osmium::io::Writer writer{"test-writer-out-fail1.osm", osmium::io::overwrite::allow};
throw std::runtime_error{"some error"};
} catch (...) {
error = true;
}
REQUIRE(error);
REQUIRE(count == count_fds());
}
TEST_CASE("Writer: Interrupted writer after write") {
const int count = count_fds();
auto buffer = get_and_check_buffer();
bool error = false;
try {
osmium::io::Writer writer{"test-writer-out-fail2.osm", osmium::io::overwrite::allow};
writer(std::move(buffer));
throw std::runtime_error{"some error"};
} catch (...) {
error = true;
}
REQUIRE(error);
REQUIRE(count == count_fds());
}
TEST_CASE("Writer with user-provided pool with default number of threads") {
const int count = count_fds();
auto buffer = get_buffer();
osmium::thread::Pool pool;
osmium::io::Writer writer{"test-writer-pool-with-default-threads.osm", pool, osmium::io::overwrite::allow};
writer(std::move(buffer));
writer.close();
REQUIRE(count == count_fds());
}
TEST_CASE("Writer with user-provided pool with negative number of threads") {
const int count = count_fds();
auto buffer = get_buffer();
osmium::thread::Pool pool{-2};
osmium::io::Writer writer{"test-writer-pool-with-negative-threads.osm", pool, osmium::io::overwrite::allow};
writer(std::move(buffer));
writer.close();
REQUIRE(count == count_fds());
}
TEST_CASE("Writer with user-provided pool with outlier negative number of threads") {
const int count = count_fds();
auto buffer = get_buffer();
osmium::thread::Pool pool{-1000};
osmium::io::Writer writer{"test-writer-pool-with-outlier-negative-threads.osm", osmium::io::overwrite::allow, pool};
writer(std::move(buffer));
writer.close();
REQUIRE(count == count_fds());
}
TEST_CASE("Writer with user-provided pool with outlier positive number of threads") {
const int count = count_fds();
auto buffer = get_buffer();
osmium::thread::Pool pool{1000};
osmium::io::Writer writer{"test-writer-pool-with-outlier-positive-threads.osm", osmium::io::overwrite::allow, pool};
writer(std::move(buffer));
writer.close();
REQUIRE(count == count_fds());
}
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