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[test] Update Map.PrefetchTiles

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This commit is contained in:
Bruno de Oliveira Abinader
2018-02-27 17:27:36 +02:00
parent 98470e242d
commit 48744d51d8
7 changed files with 75 additions and 61 deletions
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40
test/map/prefetch.test.cpp
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@@ -1,5 +1,6 @@
#include <mbgl/test/util.hpp>
#include <mbgl/test/stub_file_source.hpp>
#include <mbgl/test/stub_map_observer.hpp>
#include <mbgl/map/map.hpp>
#include <mbgl/gl/headless_frontend.hpp>
@@ -17,34 +18,38 @@
using namespace mbgl;
using namespace mbgl::style;
using namespace std::literals::string_literals;
using namespace std::chrono_literals;
TEST(Map, PrefetchTiles) {
util::RunLoop runLoop;
ThreadPool threadPool(4);
StubFileSource fileSource;
util::Timer emergencyShutoff;
emergencyShutoff.start(10s, 0s, [&] {
runLoop.stop();
FAIL() << "Did not stop rendering";
});
StubMapObserver observer;
observer.didFinishLoadingMapCallback = [&] () {
runLoop.stop();
};
HeadlessFrontend frontend { { 512, 512 }, 1, fileSource, threadPool };
Map map(frontend, MapObserver::nullObserver(), frontend.getSize(), 1, fileSource, threadPool, MapMode::Static);
Map map(frontend, observer, frontend.getSize(), 1, fileSource, threadPool, MapMode::Continuous);
std::vector<int> tiles;
fileSource.response = [&] (const Resource& res) -> optional<Response> {
Response response;
static std::string tile = util::read_file("test/fixtures/map/prefetch/tile.png");
auto zoom = std::stoi(res.url);
tiles.push_back(zoom);
// Return a red tile for prefetched tiles or green to the actual tile.
// The end rendering result should be all green because the map is only
// considered fully rendered when only ideal tiles are shown.
if (zoom == int(map.getZoom()) + 1) {
response.data = std::make_shared<std::string>(
util::read_file("test/fixtures/map/prefetch/tile_green.png"));
} else {
response.data = std::make_shared<std::string>(
util::read_file("test/fixtures/map/prefetch/tile_red.png"));
}
return { std::move(response) };
Response response;
response.data = std::make_shared<std::string>(tile);
return response;
};
auto checkTilesForZoom = [&](int zoom, const std::vector<int>& expected) {
@@ -53,14 +58,11 @@ TEST(Map, PrefetchTiles) {
// Force tile reloading.
map.getStyle().loadJSON(util::read_file("test/fixtures/map/prefetch/empty.json"));
map.getStyle().loadJSON(util::read_file("test/fixtures/map/prefetch/style.json"));
map.setLatLngZoom({ 40.726989, -73.992857 }, zoom); // Manhattan
runLoop.run();
// Should always render the ideal tiles (i.e. a green map)
test::checkImage("test/fixtures/map/prefetch", frontend.render(map));
ASSERT_EQ(tiles.size(), expected.size());
ASSERT_TRUE(std::is_permutation(tiles.begin(), tiles.end(), expected.begin()));
ASSERT_FALSE(tiles.empty());
};
// Check defaults, should be 4.