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MapLibreParticleLab/test/storage/mbtiles_file_source.test.cpp
2024-07-29 11:36:22 -05:00

127 lines
4.0 KiB
C++

#include <mbgl/storage/mbtiles_file_source.hpp>
#include <mbgl/storage/resource.hpp>
#include <mbgl/storage/resource_options.hpp>
#include <mbgl/util/platform.hpp>
#include <mbgl/util/run_loop.hpp>
#include <filesystem>
#include <climits>
#include <gtest/gtest.h>
namespace {
std::string toAbsoluteURL(const std::string &fileName) {
auto path = std::filesystem::current_path() / "test/fixtures/storage/mbtiles" / fileName;
return "mbtiles://" + path.string();
}
} // namespace
using namespace mbgl;
TEST(MBTilesFileSource, AcceptsURL) {
MBTilesFileSource mbtiles(ResourceOptions::Default(), ClientOptions());
EXPECT_TRUE(mbtiles.canRequest(Resource::style("mbtiles:///test")));
EXPECT_FALSE(mbtiles.canRequest(Resource::style("mbtile://test")));
EXPECT_FALSE(mbtiles.canRequest(Resource::style("mbtiles:")));
EXPECT_FALSE(mbtiles.canRequest(Resource::style("")));
}
// mbtiles paths must be absolute
TEST(MBTilesFileSource, AbsolutePath) {
util::RunLoop loop;
MBTilesFileSource mbtiles(ResourceOptions::Default(), ClientOptions());
std::unique_ptr<AsyncRequest> req = mbtiles.request(
{Resource::Unknown, "mbtiles://not_absolute"}, [&](Response res) {
req.reset();
ASSERT_NE(nullptr, res.error);
EXPECT_EQ(Response::Error::Reason::Other, res.error->reason);
EXPECT_NE((res.error->message).find("absolute"), std::string::npos);
ASSERT_FALSE(res.data.get());
loop.stop();
});
loop.run();
}
// Nonexistent mbtiles file raises error
TEST(MBTilesFileSource, NonExistentFile) {
util::RunLoop loop;
MBTilesFileSource mbtiles(ResourceOptions::Default(), ClientOptions());
std::unique_ptr<AsyncRequest> req = mbtiles.request(
{Resource::Unknown, toAbsoluteURL("does_not_exist")}, [&](Response res) {
req.reset();
ASSERT_NE(nullptr, res.error);
EXPECT_EQ(Response::Error::Reason::NotFound, res.error->reason);
EXPECT_NE((res.error->message).find("path not found"), std::string::npos);
ASSERT_FALSE(res.data.get());
loop.stop();
});
loop.run();
}
// Existing mbtiles file default request returns TileJSON
TEST(MBTilesFileSource, TileJSON) {
util::RunLoop loop;
MBTilesFileSource mbtiles(ResourceOptions::Default(), ClientOptions());
std::unique_ptr<AsyncRequest> req = mbtiles.request(
{Resource::Unknown, toAbsoluteURL("geography-class-png.mbtiles")}, [&](Response res) {
req.reset();
EXPECT_EQ(nullptr, res.error);
ASSERT_TRUE(res.data.get());
// basic test that TileJSON included a tile URL
EXPECT_NE((*res.data).find("geography-class-png.mbtiles?file={x}/{y}/{z}"), std::string::npos);
loop.stop();
});
loop.run();
}
// Existing tiles return tile data
TEST(MBTilesFileSource, Tile) {
util::RunLoop loop;
MBTilesFileSource mbtiles(ResourceOptions::Default(), ClientOptions());
std::unique_ptr<AsyncRequest> req = mbtiles.request(
Resource::tile(
toAbsoluteURL("geography-class-png.mbtiles?file={z}/{x}/{y}.png"), 1.0, 0, 0, 0, Tileset::Scheme::XYZ),
[&](Response res) {
req.reset();
EXPECT_EQ(nullptr, res.error);
ASSERT_TRUE(res.data.get());
ASSERT_EQ(res.noContent, false);
loop.stop();
});
loop.run();
}
// Nonexistent tiles do not raise errors, they simply return no content
TEST(MBTilesFileSource, NonExistentTile) {
util::RunLoop loop;
MBTilesFileSource mbtiles(ResourceOptions::Default(), ClientOptions());
std::unique_ptr<AsyncRequest> req = mbtiles.request(
Resource::tile(
toAbsoluteURL("geography-class-png.mbtiles?file={z}/{x}/{y}.png"), 1.0, 0, 0, 4, Tileset::Scheme::XYZ),
[&](Response res) {
req.reset();
EXPECT_EQ(nullptr, res.error);
ASSERT_FALSE(res.data.get());
ASSERT_EQ(res.noContent, true);
loop.stop();
});
loop.run();
}