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[core] Add unit test for Style::Impl::onSpriteLoaded

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This commit is contained in:
Alexander Shalamov
2020-02-15 12:33:31 +02:00
parent b97f40469b
commit d0dfd40b0a
8 changed files with 137 additions and 2 deletions
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55
test/map/map.test.cpp
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@@ -10,12 +10,14 @@
#include <mbgl/gl/context.hpp>
#include <mbgl/map/map_options.hpp>
#include <mbgl/math/log2.hpp>
#include <mbgl/renderer/update_parameters.hpp>
#include <mbgl/storage/file_source_manager.hpp>
#include <mbgl/storage/main_resource_loader.hpp>
#include <mbgl/storage/network_status.hpp>
#include <mbgl/storage/online_file_source.hpp>
#include <mbgl/storage/resource_options.hpp>
#include <mbgl/style/image.hpp>
#include <mbgl/style/image_impl.hpp>
#include <mbgl/style/layers/background_layer.hpp>
#include <mbgl/style/layers/raster_layer.hpp>
#include <mbgl/style/layers/symbol_layer.hpp>
@@ -36,13 +38,13 @@ using namespace mbgl;
using namespace mbgl::style;
using namespace std::literals::string_literals;
template <class FileSource = StubFileSource>
template <class FileSource = StubFileSource, class Frontend = HeadlessFrontend>
class MapTest {
public:
util::RunLoop runLoop;
std::shared_ptr<FileSource> fileSource;
StubMapObserver observer;
HeadlessFrontend frontend;
Frontend frontend;
MapAdapter map;
MapTest(float pixelRatio = 1, MapMode mode = MapMode::Static)
@@ -1253,3 +1255,52 @@ TEST(Map, PrefetchDeltaOverrideCustomSource) {
// and current zoom level + parent tiles would be re-requested.
EXPECT_EQ(8, requestedTiles);
}
// Test verifies that Style::Impl::onSpriteLoaded does not create duplicate
// images when we get new spritesheet from the server and we merge it with
// currently used spritesheet.
TEST(Map, TEST_REQUIRES_SERVER(ExpiredSpriteSheet)) {
class ForwardingHeadlessFrontend : public HeadlessFrontend {
public:
using HeadlessFrontend::HeadlessFrontend;
~ForwardingHeadlessFrontend() override = default;
void update(std::shared_ptr<UpdateParameters> params) override {
if (checkParams) checkParams(params);
HeadlessFrontend::update(std::move(params));
}
std::function<void(std::shared_ptr<UpdateParameters>)> checkParams;
};
MapTest<MainResourceLoader, ForwardingHeadlessFrontend> test{":memory:", ".", 1, MapMode::Continuous};
auto makeResponse = [](const std::string& path, bool expires = false) {
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/map/online/"s + path));
response.expires = expires ? Timestamp{Seconds(0)} : Timestamp::max();
return response;
};
test.observer.didFinishLoadingMapCallback = [&test] {
test.frontend.checkParams = [](std::shared_ptr<UpdateParameters> params) {
EXPECT_TRUE(std::is_sorted(params->images->begin(), params->images->end()));
EXPECT_TRUE(params->images->size() < 4u);
};
NetworkStatus::Set(NetworkStatus::Status::Online);
test.observer.didBecomeIdleCallback = [&test] { test.runLoop.stop(); };
};
NetworkStatus::Set(NetworkStatus::Status::Offline);
const std::string prefix = "http://127.0.0.1:3000/online/";
auto dbfs = FileSourceManager::get()->getFileSource(FileSourceType::Database, ResourceOptions{});
dbfs->forward(Resource::style(prefix + "style.json"), makeResponse("style.json"));
dbfs->forward(Resource::source(prefix + "streets.json"), makeResponse("streets.json"));
dbfs->forward(Resource::spriteJSON(prefix + "sprite", 1.0), makeResponse("sprite.json", true));
dbfs->forward(Resource::spriteImage(prefix + "sprite", 1.0), makeResponse("sprite.png", true));
dbfs->forward(Resource::tile(prefix + "{z}-{x}-{y}.vector.pbf", 1.0, 0, 0, 0, Tileset::Scheme::XYZ),
makeResponse("0-0-0.vector.pbf"),
[&] { test.map.getStyle().loadURL(prefix + "style.json"); });
test.runLoop.run();
}