Files
MapLibreParticleLab/test/map/map.test.cpp
2016-10-25 13:52:36 -07:00

413 lines
14 KiB
C++

#include <mbgl/test/util.hpp>
#include <mbgl/test/stub_file_source.hpp>
#include <mbgl/test/fake_file_source.hpp>
#include <mbgl/test/fixture_log_observer.hpp>
#include <mbgl/map/map.hpp>
#include <mbgl/platform/default/headless_backend.hpp>
#include <mbgl/platform/default/headless_view.hpp>
#include <mbgl/platform/default/thread_pool.hpp>
#include <mbgl/sprite/sprite_image.hpp>
#include <mbgl/storage/network_status.hpp>
#include <mbgl/storage/default_file_source.hpp>
#include <mbgl/util/image.hpp>
#include <mbgl/util/io.hpp>
#include <mbgl/util/run_loop.hpp>
#include <mbgl/style/layers/background_layer.hpp>
#include <mbgl/util/color.hpp>
using namespace mbgl;
using namespace mbgl::style;
using namespace std::literals::string_literals;
struct MapTest {
util::RunLoop runLoop;
HeadlessBackend backend;
HeadlessView view;
StubFileSource fileSource;
ThreadPool threadPool { 4 };
};
TEST(Map, LatLngBehavior) {
MapTest test;
Map map(test.backend, test.view, test.view.getPixelRatio(), test.fileSource, test.threadPool,
MapMode::Still);
map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
map.setLatLngZoom({ 1, 1 }, 0);
auto latLng1 = map.getLatLng();
map.setLatLng({ 1, 1 });
auto latLng2 = map.getLatLng();
ASSERT_DOUBLE_EQ(latLng1.latitude, latLng2.latitude);
ASSERT_DOUBLE_EQ(latLng1.longitude, latLng2.longitude);
}
TEST(Map, Offline) {
MapTest test;
DefaultFileSource fileSource(":memory:", ".");
auto expiredItem = [] (const std::string& path) {
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/map/offline/"s + path));
response.expires = Timestamp{ Seconds(0) };
return response;
};
const std::string prefix = "http://127.0.0.1:3000/";
fileSource.put(Resource::style(prefix + "style.json"), expiredItem("style.json"));
fileSource.put(Resource::source(prefix + "streets.json"), expiredItem("streets.json"));
fileSource.put(Resource::spriteJSON(prefix + "sprite", 1.0), expiredItem("sprite.json"));
fileSource.put(Resource::spriteImage(prefix + "sprite", 1.0), expiredItem("sprite.png"));
fileSource.put(Resource::tile(prefix + "{z}-{x}-{y}.vector.pbf", 1.0, 0, 0, 0, Tileset::Scheme::XYZ), expiredItem("0-0-0.vector.pbf"));
fileSource.put(Resource::glyphs(prefix + "{fontstack}/{range}.pbf", {{"Helvetica"}}, {0, 255}), expiredItem("glyph.pbf"));
NetworkStatus::Set(NetworkStatus::Status::Offline);
Map map(test.backend, test.view, test.view.getPixelRatio(), fileSource, test.threadPool,
MapMode::Still);
map.setStyleURL(prefix + "style.json");
test::checkImage("test/fixtures/map/offline",
test::render(map),
0.0015,
0.1);
NetworkStatus::Set(NetworkStatus::Status::Online);
}
TEST(Map, SetStyleInvalidJSON) {
MapTest test;
Log::setObserver(std::make_unique<FixtureLogObserver>());
bool fail = false;
test.backend.setMapChangeCallback([&](MapChange change) {
if (change == mbgl::MapChangeDidFailLoadingMap) {
fail = true;
}
});
{
Map map(test.backend, test.view, test.view.getPixelRatio(), test.fileSource,
test.threadPool, MapMode::Still);
map.setStyleJSON("invalid");
}
EXPECT_TRUE(fail);
auto observer = Log::removeObserver();
auto flo = dynamic_cast<FixtureLogObserver*>(observer.get());
EXPECT_EQ(1u, flo->count({ EventSeverity::Error, Event::ParseStyle, -1,
"Failed to parse style: 0 - Invalid value." }));
auto unchecked = flo->unchecked();
EXPECT_TRUE(unchecked.empty()) << unchecked;
}
TEST(Map, SetStyleInvalidURL) {
MapTest test;
test.fileSource.styleResponse = [] (const Resource&) {
Response response;
response.error = std::make_unique<Response::Error>(
Response::Error::Reason::Other,
"Failed by the test case");
return response;
};
test.backend.setMapChangeCallback([&](MapChange change) {
if (change == mbgl::MapChangeDidFailLoadingMap) {
test.runLoop.stop();
}
});
Map map(test.backend, test.view, test.view.getPixelRatio(), test.fileSource, test.threadPool,
MapMode::Still);
map.setStyleURL("mapbox://bar");
test.runLoop.run();
}
TEST(Map, DoubleStyleLoad) {
MapTest test;
Map map(test.backend, test.view, test.view.getPixelRatio(), test.fileSource, test.threadPool,
MapMode::Still);
map.setStyleJSON("");
map.setStyleJSON("");
}
TEST(Map, StyleFresh) {
// The map should not revalidate fresh styles.
MapTest test;
FakeFileSource fileSource;
Map map(test.backend, test.view, test.view.getPixelRatio(), fileSource, test.threadPool,
MapMode::Still);
map.setStyleURL("mapbox://styles/test");
EXPECT_EQ(1u, fileSource.requests.size());
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/api/empty.json"));
response.expires = Timestamp::max();
fileSource.respond(Resource::Style, response);
EXPECT_EQ(0u, fileSource.requests.size());
}
TEST(Map, StyleExpired) {
// The map should allow expired styles to be revalidated, so long as no mutations are made.
using namespace std::chrono_literals;
MapTest test;
FakeFileSource fileSource;
Map map(test.backend, test.view, test.view.getPixelRatio(), fileSource, test.threadPool,
MapMode::Still);
map.setStyleURL("mapbox://styles/test");
EXPECT_EQ(1u, fileSource.requests.size());
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/api/empty.json"));
response.expires = util::now() - 1h;
fileSource.respond(Resource::Style, response);
EXPECT_EQ(1u, fileSource.requests.size());
map.addLayer(std::make_unique<style::BackgroundLayer>("bg"));
EXPECT_EQ(1u, fileSource.requests.size());
fileSource.respond(Resource::Style, response);
EXPECT_EQ(0u, fileSource.requests.size());
EXPECT_NE(nullptr, map.getLayer("bg"));
}
TEST(Map, StyleExpiredWithAnnotations) {
// Adding an annotation should not prevent revalidation of an expired style.
using namespace std::chrono_literals;
MapTest test;
FakeFileSource fileSource;
Map map(test.backend, test.view, test.view.getPixelRatio(), fileSource, test.threadPool,
MapMode::Still);
map.setStyleURL("mapbox://styles/test");
EXPECT_EQ(1u, fileSource.requests.size());
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/api/empty.json"));
response.expires = util::now() - 1h;
fileSource.respond(Resource::Style, response);
EXPECT_EQ(1u, fileSource.requests.size());
map.addAnnotation(LineAnnotation { LineString<double> {{ { 0, 0 }, { 10, 10 } }} });
EXPECT_EQ(1u, fileSource.requests.size());
fileSource.respond(Resource::Style, response);
EXPECT_EQ(1u, fileSource.requests.size());
}
TEST(Map, StyleEarlyMutation) {
// An early mutation should not prevent the initial style load.
MapTest test;
FakeFileSource fileSource;
Map map(test.backend, test.view, test.view.getPixelRatio(), fileSource, test.threadPool,
MapMode::Still);
map.setStyleURL("mapbox://styles/test");
map.addLayer(std::make_unique<style::BackgroundLayer>("bg"));
Response response;
response.data = std::make_shared<std::string>(util::read_file("test/fixtures/api/water.json"));
fileSource.respond(Resource::Style, response);
EXPECT_EQ(0u, fileSource.requests.size());
EXPECT_NE(nullptr, map.getLayer("water"));
}
TEST(Map, StyleLoadedSignal) {
MapTest test;
Map map(test.backend, test.view, test.view.getPixelRatio(), test.fileSource, test.threadPool,
MapMode::Still);
// The map should emit a signal on style loaded
bool emitted = false;
test.backend.setMapChangeCallback([&](MapChange change) {
if (change == mbgl::MapChangeDidFinishLoadingStyle) {
emitted = true;
}
});
map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
EXPECT_TRUE(emitted);
// But not when the style couldn't be parsed
emitted = false;
map.setStyleJSON("invalid");
EXPECT_FALSE(emitted);
}
TEST(Map, AddLayer) {
MapTest test;
Map map(test.backend, test.view, test.view.getPixelRatio(), test.fileSource, test.threadPool,
MapMode::Still);
map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
auto layer = std::make_unique<BackgroundLayer>("background");
layer->setBackgroundColor({{ 1, 0, 0, 1 }});
map.addLayer(std::move(layer));
test::checkImage("test/fixtures/map/add_layer", test::render(map));
}
TEST(Map, RemoveLayer) {
MapTest test;
Map map(test.backend, test.view, test.view.getPixelRatio(), test.fileSource, test.threadPool,
MapMode::Still);
map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
auto layer = std::make_unique<BackgroundLayer>("background");
layer->setBackgroundColor({{ 1, 0, 0, 1 }});
map.addLayer(std::move(layer));
map.removeLayer("background");
test::checkImage("test/fixtures/map/remove_layer", test::render(map));
}
TEST(Map, DisabledSources) {
MapTest test;
// Always load the same image tile for raster layers.
test.fileSource.response = [] (const Resource& res) -> optional<Response> {
if (res.url == "asset://tile.png") {
Response response;
response.data = std::make_shared<std::string>(
util::read_file("test/fixtures/map/disabled_layers/tile.png"));
return {std::move(response)};
}
return {};
};
Map map(test.backend, test.view, test.view.getPixelRatio(), test.fileSource, test.threadPool,
MapMode::Still);
map.setZoom(1);
// This stylesheet has two raster layers, one that starts at zoom 1, the other at zoom 0.
// We first render a map at zoom level 1, which should show both layers (both are "visible" due
// to an opacity of 0.5). Then, we are zooming back out to a zoom level of 0.5 and rerender.
// The "raster1" layer should not be visible anymore since it has minzoom 1, while "raster2"
// should still be there. Both layers have a distinct color through "raster-hue-rotate".
map.setStyleJSON(R"STYLE(
{
"version": 8,
"name": "Test",
"sources": {
"raster": {
"type": "raster",
"tiles": [ "asset://tile.png" ],
"tileSize": 256
}
},
"layers": [{
"id": "background",
"type": "background",
"paint": {
"background-color": "white"
}
}, {
"id": "raster1",
"type": "raster",
"source": "raster",
"minzoom": 0
}, {
"id": "raster2",
"type": "raster",
"source": "raster",
"minzoom": 1,
"paint": {
"raster-hue-rotate": 180
}
}]
}
)STYLE");
test::checkImage("test/fixtures/map/disabled_layers/first", test::render(map));
map.setZoom(0.5);
test::checkImage("test/fixtures/map/disabled_layers/second", test::render(map));
}
TEST(Map, Classes) {
MapTest test;
Map map(test.backend, test.view, test.view.getPixelRatio(), test.fileSource, test.threadPool,
MapMode::Still);
map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
EXPECT_FALSE(map.getTransitionOptions().duration);
auto duration = mbgl::Duration(mbgl::Milliseconds(300));
map.setTransitionOptions({ duration });
EXPECT_EQ(map.getTransitionOptions().duration, duration);
map.addClass("test");
EXPECT_TRUE(map.hasClass("test"));
map.removeClass("test");
EXPECT_TRUE(map.getClasses().empty());
std::vector<std::string> classes = { "foo", "bar" };
map.setClasses(classes);
EXPECT_FALSE(map.hasClass("test"));
EXPECT_TRUE(map.hasClass("foo"));
EXPECT_TRUE(map.hasClass("bar"));
// Does nothing - same style JSON.
map.setStyleJSON(util::read_file("test/fixtures/api/empty.json"));
EXPECT_TRUE(map.hasClass("foo"));
EXPECT_EQ(map.getTransitionOptions().duration, duration);
map.setStyleJSON(util::read_file("test/fixtures/api/water.json"));
EXPECT_TRUE(map.getClasses().empty());
EXPECT_FALSE(map.getTransitionOptions().duration);
}
TEST(Map, AddImage) {
MapTest test;
Map map(test.backend, test.view, test.view.getPixelRatio(), test.fileSource, test.threadPool,
MapMode::Still);
auto decoded1 = decodeImage(util::read_file("test/fixtures/sprites/default_marker.png"));
auto decoded2 = decodeImage(util::read_file("test/fixtures/sprites/default_marker.png"));
auto image1 = std::make_unique<SpriteImage>(std::move(decoded1), 1.0);
auto image2 = std::make_unique<SpriteImage>(std::move(decoded2), 1.0);
// No-op.
map.addImage("test-icon", std::move(image1));
map.setStyleJSON(util::read_file("test/fixtures/api/icon_style.json"));
map.addImage("test-icon", std::move(image2));
test::checkImage("test/fixtures/map/add_icon", test::render(map));
}
TEST(Map, RemoveImage) {
MapTest test;
Map map(test.backend, test.view, test.view.getPixelRatio(), test.fileSource, test.threadPool,
MapMode::Still);
auto decoded = decodeImage(util::read_file("test/fixtures/sprites/default_marker.png"));
auto image = std::make_unique<SpriteImage>(std::move(decoded), 1.0);
map.setStyleJSON(util::read_file("test/fixtures/api/icon_style.json"));
map.addImage("test-icon", std::move(image));
map.removeImage("test-icon");
test::checkImage("test/fixtures/map/remove_icon", test::render(map));
}