[general] moving ios and android project under ./platform folder

test/api/query.test.cpp

@@ -0,0 +1,303 @@
+#include <mbgl/test/map_adapter.hpp>
+
+#include <mbgl/map/map_options.hpp>
+#include <mbgl/test/stub_file_source.hpp>
+#include <mbgl/test/util.hpp>
+#include <mbgl/util/image.hpp>
+#include <mbgl/util/io.hpp>
+#include <mbgl/util/run_loop.hpp>
+#include <mbgl/style/layers/symbol_layer.hpp>
+#include <mbgl/style/style.hpp>
+#include <mbgl/style/image.hpp>
+#include <mbgl/style/source.hpp>
+#include <mbgl/style/sources/geojson_source.hpp>
+#include <mbgl/style/expression/dsl.hpp>
+#include <mbgl/renderer/renderer.hpp>
+#include <mbgl/gfx/headless_frontend.hpp>
+
+using namespace mbgl;
+using namespace mbgl::style;
+using namespace mbgl::style::expression;
+using namespace std::literals;
+
+namespace {
+
+class QueryTest {
+public:
+    QueryTest() {
+        map.getStyle().loadJSON(util::read_file("test/fixtures/api/query_style.json"));
+        map.getStyle().addImage(std::make_unique<style::Image>("test-icon",
+            decodeImage(util::read_file("test/fixtures/sprites/default_marker.png")), 1.0));
+
+        frontend.render(map);
+    }
+
+    util::RunLoop loop;
+    std::shared_ptr<StubFileSource> fileSource = std::make_shared<StubFileSource>();
+    HeadlessFrontend frontend { 1 };
+    MapAdapter map { frontend, MapObserver::nullObserver(), fileSource,
+                  MapOptions().withMapMode(MapMode::Static).withSize(frontend.getSize())};
+};
+
+std::vector<Feature> getTopClusterFeature(QueryTest& test) {
+    test.fileSource->sourceResponse = [&] (const Resource& resource) {
+        EXPECT_EQ("http://url"s, resource.url);
+        Response response;
+        response.data = std::make_unique<std::string>(util::read_file("test/fixtures/supercluster/places.json"s));
+        return response;
+    };
+
+    LatLng coordinate{0, 0};
+    Mutable<GeoJSONOptions> options = makeMutable<GeoJSONOptions>();
+    options->cluster = true;
+    auto source = std::make_unique<GeoJSONSource>("cluster_source"s, std::move(options));
+    source->setURL("http://url"s);
+    source->loadDescription(*test.fileSource);
+
+    auto clusterLayer = std::make_unique<SymbolLayer>("cluster_layer"s, "cluster_source"s);
+    clusterLayer->setIconImage({"test-icon"s});
+    clusterLayer->setIconSize(12.0f);
+
+    test.map.jumpTo(CameraOptions().withCenter(coordinate).withZoom(0.0));
+    test.map.getStyle().addSource(std::move(source));
+    test.map.getStyle().addLayer(std::move(clusterLayer));
+    test.loop.runOnce();
+    test.frontend.render(test.map);
+
+    auto screenCoordinate = test.map.pixelForLatLng(coordinate);
+    const RenderedQueryOptions queryOptions({{{ "cluster_layer"s}}, {}});
+    return test.frontend.getRenderer()->queryRenderedFeatures(screenCoordinate,
+                                                              queryOptions);
+}
+
+} // end namespace
+
+TEST(Query, QueryRenderedFeatures) {
+    QueryTest test;
+
+    // Batch conversion of latLngs to pixels
+    auto points = test.map.pixelsForLatLngs({{0, 0}, {9, 9}});
+    ASSERT_EQ(2, points.size());
+    // Single conversion of latLng to pixel
+    auto point0 = test.map.pixelForLatLng({0, 0});
+    ASSERT_NEAR(points[0].x, point0.x, 1e-8);
+    ASSERT_NEAR(points[0].y, point0.y, 1e-8);
+
+    auto point1 = test.map.pixelForLatLng({9, 9});
+    ASSERT_NEAR(points[1].x, point1.x, 1e-8);
+    ASSERT_NEAR(points[1].y, point1.y, 1e-8);
+
+    auto features1 = test.frontend.getRenderer()->queryRenderedFeatures(point0);
+    EXPECT_EQ(features1.size(), 4u);
+
+    auto features2 = test.frontend.getRenderer()->queryRenderedFeatures(point1);
+    EXPECT_EQ(features2.size(), 0u);
+}
+
+TEST(Query, QueryRenderedFeaturesFilterLayer) {
+    QueryTest test;
+
+    auto zz = test.map.pixelForLatLng({ 0, 0 });
+
+    auto features1 = test.frontend.getRenderer()->queryRenderedFeatures(zz, {{{ "layer1"}}, {}});
+    EXPECT_EQ(features1.size(), 1u);
+
+    auto features2 = test.frontend.getRenderer()->queryRenderedFeatures(zz, {{{ "layer1", "layer2" }}, {}});
+    EXPECT_EQ(features2.size(), 2u);
+
+    auto features3 = test.frontend.getRenderer()->queryRenderedFeatures(zz, {{{ "foobar" }}, {}});
+    EXPECT_EQ(features3.size(), 0u);
+
+    auto features4 = test.frontend.getRenderer()->queryRenderedFeatures(zz, {{{ "foobar", "layer3" }}, {}});
+    EXPECT_EQ(features4.size(), 1u);
+}
+
+TEST(Query, QueryRenderedFeaturesFilter) {
+    using namespace mbgl::style::expression::dsl;
+
+    QueryTest test;
+    auto zz = test.map.pixelForLatLng({ 0, 0 });
+
+    const Filter eqFilter(eq(get("key1"), literal("value1")));
+    auto features1 = test.frontend.getRenderer()->queryRenderedFeatures(zz, {{}, { eqFilter }});
+    EXPECT_EQ(features1.size(), 1u);
+
+    const Filter idNotEqFilter(ne(id(), literal("feature1")));
+    auto features2 = test.frontend.getRenderer()->queryRenderedFeatures(zz, {{{ "layer4" }}, { idNotEqFilter }});
+    EXPECT_EQ(features2.size(), 0u);
+
+    const Filter gtFilter(gt(number(get("key2")), literal(1.0)));
+    auto features3 = test.frontend.getRenderer()->queryRenderedFeatures(zz, {{ }, { gtFilter }});
+    EXPECT_EQ(features3.size(), 1u);
+}
+
+TEST(Query, QuerySourceFeatures) {
+    QueryTest test;
+
+    auto features1 = test.frontend.getRenderer()->querySourceFeatures("source3");
+    EXPECT_EQ(features1.size(), 1u);
+}
+
+TEST(Query, QuerySourceFeatureStates) {
+    QueryTest test;
+
+    FeatureState newState;
+    newState["hover"] = true;
+    newState["radius"].set<uint64_t>(20);
+    test.frontend.getRenderer()->setFeatureState("source1", {}, "feature1", newState);
+
+    FeatureState states;
+    test.frontend.getRenderer()->getFeatureState(states, "source1", {}, "feature1");
+    ASSERT_EQ(states.size(), 2u);
+    ASSERT_EQ(states["hover"], true);
+    ASSERT_EQ(states["radius"].get<uint64_t>(), 20u);
+    ASSERT_EQ(newState, states);
+}
+
+TEST(Query, QuerySourceFeaturesOptionValidation) {
+    QueryTest test;
+
+    // GeoJSONSource, doesn't require a layer id
+    auto features = test.frontend.getRenderer()->querySourceFeatures("source3");
+    ASSERT_EQ(features.size(), 1u);
+
+    // VectorSource, requires a layer id
+    features = test.frontend.getRenderer()->querySourceFeatures("source5");
+    ASSERT_EQ(features.size(), 0u);
+    
+    // RasterSource, not supported
+    features = test.frontend.getRenderer()->querySourceFeatures("source6");
+    ASSERT_EQ(features.size(), 0u);
+}
+
+TEST(Query, QuerySourceFeaturesFilter) {
+    using namespace mbgl::style::expression::dsl;
+
+    QueryTest test;
+
+    const Filter eqFilter(eq(get("key1"), literal("value1")));
+    auto features1 = test.frontend.getRenderer()->querySourceFeatures("source4", {{}, { eqFilter }});
+    EXPECT_EQ(features1.size(), 1u);
+
+    const Filter idNotEqFilter(ne(id(), literal("feature1")));
+    auto features2 = test.frontend.getRenderer()->querySourceFeatures("source4", {{}, { idNotEqFilter }});
+    EXPECT_EQ(features2.size(), 0u);
+
+    const Filter gtFilter(gt(number(get("key2")), literal(1.0)));
+    auto features3 = test.frontend.getRenderer()->querySourceFeatures("source4", {{}, { gtFilter }});
+    EXPECT_EQ(features3.size(), 1u);
+}
+
+TEST(Query, QueryFeatureExtensionsInvalidExtension) {
+    QueryTest test;
+
+    auto unknownExt = test.frontend.getRenderer()->queryFeatureExtensions("source4"s,
+                                                                          {},
+                                                                          "unknown"s,
+                                                                          "children"s);
+    auto unknownValue = unknownExt.get<mbgl::Value>();
+    EXPECT_TRUE(unknownValue.is<NullValue>());
+}
+
+TEST(Query, QueryFeatureExtensionsSuperclusterChildren) {
+    QueryTest test;
+    auto topClusterFeature = getTopClusterFeature(test);
+
+    EXPECT_EQ(topClusterFeature.size(), 1u);
+    const auto featureProps = topClusterFeature[0].properties;
+    auto clusterId = featureProps.find("cluster_id"s);
+    auto cluster   = featureProps.find("cluster"s);
+    EXPECT_TRUE(clusterId != featureProps.end());
+    EXPECT_TRUE(cluster != featureProps.end());
+
+    auto queryChildren = test.frontend.getRenderer()->queryFeatureExtensions("cluster_source"s,
+                                                                             topClusterFeature[0],
+                                                                             "supercluster"s,
+                                                                             "children"s);
+
+    EXPECT_TRUE(queryChildren.is<FeatureCollection>());
+    auto children = queryChildren.get<FeatureCollection>();
+    EXPECT_EQ(children.size(), 4u);
+
+    // Compare results produced by supercluster with default clustering options.
+    EXPECT_EQ(children[0].properties["cluster_id"].get<uint64_t>(), 2u);
+    EXPECT_EQ(children[1].properties["cluster_id"].get<uint64_t>(), 34u);
+    EXPECT_EQ(children[2].properties["cluster_id"].get<uint64_t>(), 258u);
+    EXPECT_EQ(children[3].properties["cluster_id"].get<uint64_t>(), 2466u);
+    EXPECT_EQ(children[0].properties["point_count"].get<uint64_t>(), 7u);
+    EXPECT_EQ(children[1].properties["point_count"].get<uint64_t>(), 16u);
+    EXPECT_EQ(children[2].properties["point_count"].get<uint64_t>(), 7u);
+    EXPECT_EQ(children[3].properties["point_count"].get<uint64_t>(), 2u);
+}
+
+TEST(Query, QueryFeatureExtensionsSuperclusterExpansionZoom) {
+    QueryTest test;
+    auto topClusterFeature = getTopClusterFeature(test);
+    EXPECT_EQ(topClusterFeature.size(), 1u);
+
+    auto queryChildren = test.frontend.getRenderer()->queryFeatureExtensions("cluster_source"s,
+                                                                             topClusterFeature[0],
+                                                                             "supercluster"s,
+                                                                             "children"s);
+    auto children = queryChildren.get<FeatureCollection>();
+
+
+    auto queryExpansionZoom1 = test.frontend.getRenderer()->queryFeatureExtensions("cluster_source"s,
+                                                                                    topClusterFeature[0],
+                                                                                   "supercluster"s,
+                                                                                   "expansion-zoom"s);
+
+    auto queryExpansionZoom2 = test.frontend.getRenderer()->queryFeatureExtensions("cluster_source"s,
+                                                                                   children[3],
+                                                                                   "supercluster"s,
+                                                                                   "expansion-zoom"s);
+    auto zoomValue1 = queryExpansionZoom1.get<mbgl::Value>();
+    auto zoomValue2 = queryExpansionZoom2.get<mbgl::Value>();
+    EXPECT_TRUE(zoomValue1.is<uint64_t>());
+    EXPECT_TRUE(zoomValue2.is<uint64_t>());
+    EXPECT_EQ(zoomValue1.get<uint64_t>(), 1u);
+    EXPECT_EQ(zoomValue2.get<uint64_t>(), 3u);
+}
+
+TEST(Query, QueryFeatureExtensionsSuperclusterLeaves) {
+    QueryTest test;
+    auto topClusterFeature = getTopClusterFeature(test);
+    EXPECT_EQ(topClusterFeature.size(), 1u);
+
+    // Get leaves for cluster 1, with default limit 10, offset 0.
+    auto queryClusterLeaves = test.frontend.getRenderer()->queryFeatureExtensions("cluster_source"s,
+                                                                                  topClusterFeature[0],
+                                                                                  "supercluster"s,
+                                                                                  "leaves"s);
+    EXPECT_TRUE(queryClusterLeaves.is<FeatureCollection>());
+    auto leaves = queryClusterLeaves.get<FeatureCollection>();
+    EXPECT_EQ(leaves.size(), 10u);
+
+    // Get leaves for cluster 1, with limit 3, offset 0.
+    const std::map<std::string, mbgl::Value> limitOpts = { {"limit"s, static_cast<uint64_t>(3u)} };
+    auto queryClusterLeavesLimit3 = test.frontend.getRenderer()->queryFeatureExtensions("cluster_source"s,
+                                                                                        topClusterFeature[0],
+                                                                                        "supercluster"s,
+                                                                                        "leaves"s,
+                                                                                        limitOpts);
+    auto limitLeaves3 = queryClusterLeavesLimit3.get<FeatureCollection>();
+    EXPECT_EQ(limitLeaves3.size(), 3u);
+
+    EXPECT_EQ(limitLeaves3[0].properties["name"].get<std::string>(), "Niagara Falls"s);
+    EXPECT_EQ(limitLeaves3[1].properties["name"].get<std::string>(), "Cape May"s);
+    EXPECT_EQ(limitLeaves3[2].properties["name"].get<std::string>(), "Cape Fear"s);
+
+    // Get leaves for cluster 1, with limit 3, offset 3.
+    const std::map<std::string, mbgl::Value> offsetOpts = { {"limit"s, static_cast<uint64_t>(3u)},
+                                                            {"offset"s, static_cast<uint64_t>(3u)} };
+    auto queryClusterLeavesOffset3 = test.frontend.getRenderer()->queryFeatureExtensions("cluster_source"s,
+                                                                                        topClusterFeature[0],
+                                                                                        "supercluster"s,
+                                                                                        "leaves"s,
+                                                                                        offsetOpts);
+    auto offsetLeaves3 = queryClusterLeavesOffset3.get<FeatureCollection>();
+    EXPECT_EQ(offsetLeaves3.size(), 3u);
+    EXPECT_EQ(offsetLeaves3[0].properties["name"].get<std::string>(), "Cape Hatteras"s);
+    EXPECT_EQ(offsetLeaves3[1].properties["name"].get<std::string>(), "Cape Sable"s);
+    EXPECT_EQ(offsetLeaves3[2].properties["name"].get<std::string>(), "Cape Cod"s);
+}