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MapLibreParticleLab/test/style/filter.test.cpp
Bart Louwers 550f64be22 core: rename mbgl namespace to mln (#4487) 
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
2026-08-14 23:25:20 +02:00

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#include <mbgl/test/util.hpp>
#include <mbgl/util/feature.hpp>
#include <mbgl/util/geometry.hpp>
#include <mbgl/test/stub_geometry_tile_feature.hpp>
#include <mbgl/util/rapidjson.hpp>
#include <rapidjson/writer.h>
#include <rapidjson/stringbuffer.h>
#include <mbgl/style/conversion/stringify.hpp>
#include <mbgl/style/filter.hpp>
#include <mbgl/style/conversion/json.hpp>
#include <mbgl/style/conversion/filter.hpp>
#include <mbgl/util/rapidjson.hpp>
#include <rapidjson/writer.h>
#include <rapidjson/stringbuffer.h>
using namespace mln;
using namespace mln::style;
bool filter(const char* json,
const PropertyMap& featureProperties = {{}},
FeatureIdentifier featureId = {},
FeatureType featureType = FeatureType::Point,
GeometryCollection featureGeometry = {},
float zoom = 0.0f) {
conversion::Error error;
std::optional<Filter> filter = conversion::convertJSON<Filter>(json, error);
EXPECT_TRUE(bool(filter));
EXPECT_EQ(error.message, "");
StubGeometryTileFeature feature{featureId, featureType, featureGeometry, featureProperties};
expression::EvaluationContext context = {zoom, &feature};
return (*filter)(context);
}
void invalidFilter(const char* json) {
conversion::Error error;
std::optional<Filter> filter = conversion::convertJSON<Filter>(json, error);
EXPECT_FALSE(bool(filter));
EXPECT_NE(error.message, "");
}
void writeJSON(rapidjson::Writer<rapidjson::StringBuffer>& writer, const Value& value) {
value.match([&](const NullValue&) { writer.Null(); },
[&](bool b) { writer.Bool(b); },
[&](uint64_t t) { writer.Uint64(t); },
[&](int64_t t) { writer.Int64(t); },
[&](double f) {
// make sure integer values are stringified without trailing ".0".
f == std::floor(f) ? writer.Int(static_cast<int>(f)) : writer.Double(f);
},
[&](const std::string& s) { writer.String(s); },
[&](const std::vector<Value>& arr) {
writer.StartArray();
for (const auto& item : arr) {
writeJSON(writer, item);
}
writer.EndArray();
},
[](const auto&) {});
}
std::string stringifyFilter(const char* json) {
conversion::Error error;
std::optional<Filter> filter = conversion::convertJSON<Filter>(json, error);
EXPECT_TRUE(bool(filter));
EXPECT_EQ(error.message, "");
auto value = filter->serialize();
rapidjson::StringBuffer s;
rapidjson::Writer<rapidjson::StringBuffer> writer(s);
writeJSON(writer, value);
return s.GetString();
}
TEST(Filter, EqualsNull) {
auto f = R"(["==", "foo", null])";
ASSERT_TRUE(filter(f, {{"foo", mapbox::feature::null_value}}));
ASSERT_FALSE(filter(f, {{"foo", int64_t(0)}}));
ASSERT_FALSE(filter(f, {{"foo", int64_t(1)}}));
ASSERT_FALSE(filter(f, {{"foo", std::string("0")}}));
ASSERT_FALSE(filter(f, {{"foo", true}}));
ASSERT_FALSE(filter(f, {{"foo", false}}));
ASSERT_FALSE(filter(f, {{}}));
}
TEST(Filter, EqualsString) {
auto f = R"(["==", "foo", "bar"])";
ASSERT_TRUE(filter(f, {{"foo", std::string("bar")}}));
ASSERT_FALSE(filter(f, {{"foo", std::string("baz")}}));
}
TEST(Filter, EqualsNumber) {
auto f = R"(["==", "foo", 0])";
ASSERT_TRUE(filter(f, {{"foo", int64_t(0)}}));
ASSERT_TRUE(filter(f, {{"foo", uint64_t(0)}}));
ASSERT_TRUE(filter(f, {{"foo", double(0)}}));
ASSERT_FALSE(filter(f, {{"foo", int64_t(1)}}));
ASSERT_FALSE(filter(f, {{"foo", uint64_t(1)}}));
ASSERT_FALSE(filter(f, {{"foo", double(1)}}));
ASSERT_FALSE(filter(f, {{"foo", std::string("0")}}));
ASSERT_FALSE(filter(f, {{"foo", false}}));
ASSERT_FALSE(filter(f, {{"foo", true}}));
ASSERT_FALSE(filter(f, {{"foo", mapbox::feature::null_value}}));
ASSERT_FALSE(filter(f, {{}}));
}
TEST(Filter, EqualsType) {
auto f = R"(["==", "$type", "LineString"])";
ASSERT_FALSE(filter(f, {{}}, {}, FeatureType::Point, {}));
ASSERT_TRUE(filter(f, {{}}, {}, FeatureType::LineString, {}));
ASSERT_FALSE(filter(f, {{}}, {}, FeatureType::Point, {}));
invalidFilter(R"(["==", "$type"])");
invalidFilter(R"(["==", "$type", null])");
invalidFilter(R"(["==", "$type", "foo", 1])");
invalidFilter(R"(["==", "$type", "foo", "Point"])");
}
TEST(Filter, InType) {
auto f = R"(["in", "$type", "LineString", "Polygon"])";
ASSERT_FALSE(filter(f, {{}}, {}, FeatureType::Point));
ASSERT_TRUE(filter(f, {{}}, {}, FeatureType::LineString));
ASSERT_TRUE(filter(f, {{}}, {}, FeatureType::Polygon));
}
TEST(Filter, InID) {
auto f = R"(["in", "$id", "123", "1234", 1234])";
ASSERT_FALSE(filter(f));
ASSERT_TRUE(filter(f, {{}}, {uint64_t(1234)}));
ASSERT_TRUE(filter(f, {{}}, {std::string("1234")}));
ASSERT_FALSE(filter(f, {{}}, {std::string("4321")}));
}
TEST(Filter, Any) {
ASSERT_FALSE(filter("[\"any\"]"));
ASSERT_TRUE(filter("[\"any\", [\"==\", \"foo\", 1]]", {{std::string("foo"), int64_t(1)}}));
ASSERT_FALSE(filter("[\"any\", [\"==\", \"foo\", 0]]", {{std::string("foo"), int64_t(1)}}));
ASSERT_TRUE(filter("[\"any\", [\"==\", \"foo\", 0], [\"==\", \"foo\", 1]]", {{std::string("foo"), int64_t(1)}}));
}
TEST(Filter, AnyExpression) {
ASSERT_FALSE(filter("[\"any\"]"));
ASSERT_TRUE(filter("[\"any\", [\"==\", [\"get\", \"foo\"], 1]]", {{std::string("foo"), int64_t(1)}}));
ASSERT_FALSE(filter("[\"any\", [\"==\", [\"get\", \"foo\"], 0]]", {{std::string("foo"), int64_t(1)}}));
ASSERT_TRUE(
filter("[\"any\", [\"==\", [\"get\", \"foo\"], 0], [\"==\", [\"get\", "
"\"foo\"], 1]]",
{{std::string("foo"), int64_t(1)}}));
}
TEST(Filter, All) {
ASSERT_TRUE(filter("[\"all\"]", {{}}));
ASSERT_TRUE(filter("[\"all\", [\"==\", \"foo\", 1]]", {{std::string("foo"), int64_t(1)}}));
ASSERT_FALSE(filter("[\"all\", [\"==\", \"foo\", 0]]", {{std::string("foo"), int64_t(1)}}));
ASSERT_FALSE(filter("[\"all\", [\"==\", \"foo\", 0], [\"==\", \"foo\", 1]]", {{std::string("foo"), int64_t(1)}}));
}
TEST(Filter, AllExpression) {
ASSERT_TRUE(filter("[\"all\", [\"==\", [\"get\", \"foo\"], 1]]", {{std::string("foo"), int64_t(1)}}));
ASSERT_FALSE(filter("[\"all\", [\"==\", [\"get\", \"foo\"], 0]]", {{std::string("foo"), int64_t(1)}}));
ASSERT_FALSE(
filter("[\"all\", [\"==\", [\"get\", \"foo\"], 0], [\"==\", [\"get\", "
"\"foo\"], 1]]",
{{std::string("foo"), int64_t(1)}}));
}
TEST(Filter, None) {
ASSERT_TRUE(filter("[\"none\"]"));
ASSERT_FALSE(filter("[\"none\", [\"==\", \"foo\", 1]]", {{std::string("foo"), int64_t(1)}}));
ASSERT_TRUE(filter("[\"none\", [\"==\", \"foo\", 0]]", {{std::string("foo"), int64_t(1)}}));
ASSERT_FALSE(filter("[\"none\", [\"==\", \"foo\", 0], [\"==\", \"foo\", 1]]", {{std::string("foo"), int64_t(1)}}));
}
TEST(Filter, Has) {
ASSERT_TRUE(filter("[\"has\", \"foo\"]", {{std::string("foo"), int64_t(1)}}));
ASSERT_TRUE(filter("[\"has\", \"foo\"]", {{std::string("foo"), int64_t(0)}}));
ASSERT_TRUE(filter("[\"has\", \"foo\"]", {{std::string("foo"), false}}));
ASSERT_FALSE(filter("[\"has\", \"foo\"]"));
ASSERT_FALSE(filter("[\"has\", \"$id\"]"));
}
TEST(Filter, NotHas) {
ASSERT_FALSE(filter("[\"!has\", \"foo\"]", {{std::string("foo"), int64_t(1)}}));
ASSERT_FALSE(filter("[\"!has\", \"foo\"]", {{std::string("foo"), int64_t(0)}}));
ASSERT_FALSE(filter("[\"!has\", \"foo\"]", {{std::string("foo"), false}}));
ASSERT_TRUE(filter("[\"!has\", \"foo\"]"));
}
TEST(Filter, ID) {
const FeatureIdentifier id1{uint64_t{1234}};
ASSERT_TRUE(filter("[\"==\", \"$id\", 1234]", {{}}, id1));
ASSERT_FALSE(filter("[\"==\", \"$id\", \"1234\"]", {{}}, id1));
ASSERT_FALSE(filter("[\"==\", \"$id\", 1234]", {{"id", uint64_t(1234)}}));
ASSERT_FALSE(filter("[\"==\", \"$id\", \"1234\"]", {{"id", uint64_t(1234)}}));
ASSERT_FALSE(filter("[\"<\", \"$id\", 0]", {{}}, id1));
ASSERT_FALSE(filter("[\"<\", \"$id\", 1234]", {{}}, id1));
ASSERT_TRUE(filter("[\"<=\", \"$id\", 1234]", {{}}, id1));
ASSERT_FALSE(filter("[\"<\", \"$id\", 123]", {{}}, id1));
ASSERT_FALSE(filter("[\"<=\", \"$id\", 123]", {{}}, id1));
ASSERT_TRUE(filter("[\">\", \"$id\", 0]", {{}}, id1));
ASSERT_TRUE(filter("[\">\", \"$id\", 123]", {{}}, id1));
ASSERT_TRUE(filter("[\">=\", \"$id\", 123]", {{}}, id1));
ASSERT_FALSE(filter("[\">\", \"$id\", 1234]", {{}}, id1));
ASSERT_TRUE(filter("[\">=\", \"$id\", 1234]", {{}}, id1));
ASSERT_FALSE(filter("[\">\", \"$id\", \"1\"]", {{}}, id1));
ASSERT_FALSE(filter("[\"<\", \"$id\", \"1\"]", {{}}, id1));
ASSERT_FALSE(filter("[\">=\", \"$id\", \"1\"]", {{}}, id1));
ASSERT_FALSE(filter("[\"<=\", \"$id\", \"1\"]", {{}}, id1));
const FeatureIdentifier id2{std::string{"1"}};
ASSERT_FALSE(filter("[\"<\", \"$id\", \"0\"]", {{}}, id2));
ASSERT_TRUE(filter("[\"<\", \"$id\", \"1234\"]", {{}}, id2));
ASSERT_TRUE(filter("[\"<=\", \"$id\", \"1234\"]", {{}}, id2));
ASSERT_FALSE(filter("[\"<\", \"$id\", \"012\"]", {{}}, id2));
ASSERT_FALSE(filter("[\"<=\", \"$id\", \"012\"]", {{}}, id2));
ASSERT_TRUE(filter("[\">\", \"$id\", \"0\"]", {{}}, id2));
ASSERT_FALSE(filter("[\">\", \"$id\", \"234\"]", {{}}, id2));
ASSERT_TRUE(filter("[\">=\", \"$id\", \"012\"]", {{}}, id2));
ASSERT_FALSE(filter("[\">\", \"$id\", \"1234\"]", {{}}, id2));
ASSERT_FALSE(filter("[\">=\", \"$id\", \"1234\"]", {{}}, id2));
ASSERT_FALSE(filter("[\">\", \"$id\", 1]", {{}}, id2));
ASSERT_FALSE(filter("[\"<\", \"$id\", 1]", {{}}, id2));
ASSERT_FALSE(filter("[\">=\", \"$id\", 1]", {{}}, id2));
ASSERT_FALSE(filter("[\"<=\", \"$id\", 1]", {{}}, id2));
}
TEST(Filter, Expression) {
ASSERT_TRUE(filter("[\"==\", [\"+\", 1, 1], 2]"));
ASSERT_FALSE(filter("[\"==\", [\"+\", 1, 1], 4]"));
}
TEST(Filter, PropertyExpression) {
ASSERT_TRUE(filter("[\"==\", [\"get\", \"two\"], 2]", {{"two", int64_t(2)}}));
ASSERT_FALSE(filter("[\"==\", [\"get\", \"two\"], 4]", {{"two", int64_t(2)}}));
}
TEST(Filter, LegacyProperty) {
// <
ASSERT_TRUE(filter("[\"<\", \"two\", 2]", {{"two", int64_t(1)}}));
ASSERT_FALSE(filter("[\"<\", \"two\", \"2\"]", {{"two", int64_t(1)}}));
ASSERT_FALSE(filter("[\"<\", \"two\", 2]", {{"two", std::string("1")}}));
ASSERT_TRUE(filter("[\"<\", \"two\", \"2\"]", {{"two", std::string("1")}}));
ASSERT_FALSE(filter("[\"<\", \"two\", 2]", {{"two", int64_t(2)}}));
ASSERT_FALSE(filter("[\"<\", \"two\", \"2\"]", {{"two", int64_t(2)}}));
ASSERT_FALSE(filter("[\"<\", \"two\", 2]", {{"two", std::string("2")}}));
ASSERT_FALSE(filter("[\"<\", \"two\", \"2\"]", {{"two", std::string("2")}}));
// <=
ASSERT_TRUE(filter("[\"<=\", \"two\", 2]", {{"two", int64_t(1)}}));
ASSERT_FALSE(filter("[\"<=\", \"two\", \"2\"]", {{"two", int64_t(1)}}));
ASSERT_FALSE(filter("[\"<=\", \"two\", 2]", {{"two", std::string("1")}}));
ASSERT_TRUE(filter("[\"<=\", \"two\", \"2\"]", {{"two", std::string("1")}}));
ASSERT_TRUE(filter("[\"<=\", \"two\", 2]", {{"two", int64_t(2)}}));
ASSERT_FALSE(filter("[\"<=\", \"two\", \"2\"]", {{"two", int64_t(2)}}));
ASSERT_FALSE(filter("[\"<=\", \"two\", 2]", {{"two", std::string("2")}}));
ASSERT_TRUE(filter("[\"<=\", \"two\", \"2\"]", {{"two", std::string("2")}}));
ASSERT_FALSE(filter("[\"<=\", \"two\", 2]", {{"two", int64_t(3)}}));
ASSERT_FALSE(filter("[\"<=\", \"two\", \"2\"]", {{"two", int64_t(3)}}));
ASSERT_FALSE(filter("[\"<=\", \"two\", 2]", {{"two", std::string("3")}}));
ASSERT_FALSE(filter("[\"<=\", \"two\", \"2\"]", {{"two", std::string("3")}}));
// >
ASSERT_FALSE(filter("[\">\", \"two\", 2]", {{"two", int64_t(2)}}));
ASSERT_FALSE(filter("[\">\", \"two\", \"2\"]", {{"two", int64_t(2)}}));
ASSERT_FALSE(filter("[\">\", \"two\", 2]", {{"two", std::string("2")}}));
ASSERT_FALSE(filter("[\">\", \"two\", \"2\"]", {{"two", std::string("2")}}));
ASSERT_TRUE(filter("[\">\", \"two\", 2]", {{"two", int64_t(3)}}));
ASSERT_FALSE(filter("[\">\", \"two\", \"2\"]", {{"two", int64_t(3)}}));
ASSERT_FALSE(filter("[\">\", \"two\", 2]", {{"two", std::string("3")}}));
ASSERT_TRUE(filter("[\">\", \"two\", \"2\"]", {{"two", std::string("3")}}));
// >=
ASSERT_FALSE(filter("[\">=\", \"two\", 2]", {{"two", int64_t(1)}}));
ASSERT_FALSE(filter("[\">=\", \"two\", \"2\"]", {{"two", int64_t(1)}}));
ASSERT_FALSE(filter("[\">=\", \"two\", 2]", {{"two", std::string("1")}}));
ASSERT_FALSE(filter("[\">=\", \"two\", \"2\"]", {{"two", std::string("1")}}));
ASSERT_TRUE(filter("[\">=\", \"two\", 2]", {{"two", int64_t(2)}}));
ASSERT_FALSE(filter("[\">=\", \"two\", \"2\"]", {{"two", int64_t(2)}}));
ASSERT_FALSE(filter("[\">=\", \"two\", 2]", {{"two", std::string("2")}}));
ASSERT_TRUE(filter("[\">=\", \"two\", \"2\"]", {{"two", std::string("2")}}));
ASSERT_TRUE(filter("[\">=\", \"two\", 2]", {{"two", int64_t(3)}}));
ASSERT_FALSE(filter("[\">=\", \"two\", \"2\"]", {{"two", int64_t(3)}}));
ASSERT_FALSE(filter("[\">=\", \"two\", 2]", {{"two", std::string("3")}}));
ASSERT_TRUE(filter("[\">=\", \"two\", \"2\"]", {{"two", std::string("3")}}));
//
ASSERT_TRUE(filter("[\"==\", \"two\", 4]", {{"two", int64_t(4)}}));
ASSERT_FALSE(filter("[\"==\", \"two\", 4]", {{"two", std::string("4")}}));
ASSERT_FALSE(filter("[\"==\", \"two\", \"4\"]", {{"two", int64_t(4)}}));
ASSERT_TRUE(filter("[\"==\", \"two\", \"4\"]", {{"two", std::string("4")}}));
ASSERT_FALSE(filter("[\"==\", \"two\", 4]", {{"two", int64_t(2)}}));
ASSERT_FALSE(filter("[\"==\", \"two\", 4]", {{"two", std::string("2")}}));
ASSERT_FALSE(filter("[\"==\", \"two\", \"4\"]", {{"two", int64_t(2)}}));
ASSERT_FALSE(filter("[\"==\", \"two\", \"4\"]", {{"two", std::string("2")}}));
ASSERT_FALSE(filter("[\"==\", \"one\", true]", {{"two", true}}));
ASSERT_FALSE(filter("[\"==\", \"one\", false]", {{"two", true}}));
ASSERT_TRUE(filter("[\"==\", \"two\", true]", {{"two", true}}));
ASSERT_FALSE(filter("[\"==\", \"two\", false]", {{"two", true}}));
}
TEST(Filter, Serialize) {
std::string json = R"(["any",["==","foo",0],["==","foo",1]])";
EXPECT_EQ(stringifyFilter(json.c_str()), std::string(json));
json = R"(["<=","two",2])";
EXPECT_EQ(stringifyFilter(json.c_str()), std::string(json));
// Constant folding for Expression filters
json = R"(["==",["+",1,1],2])";
EXPECT_EQ(stringifyFilter(json.c_str()), std::string("true"));
json = R"(["all",["==",["get","foo"],0],["==",["get","foo"],1]])";
EXPECT_EQ(stringifyFilter(json.c_str()), std::string(json));
}
TEST(Filter, ExpressionLegacyMix) {
conversion::Error error;
std::optional<Filter> filter = conversion::convertJSON<Filter>(
R"(["any", ["all", ["==", ["geometry-type"], "LineString"]], ["==", "x", 1]])", error);
EXPECT_FALSE(bool(filter));
EXPECT_TRUE(error.message.size() > 0);
}
TEST(Filter, ZoomExpressionNested) {
ASSERT_TRUE(filter(R"(["==", ["get", "two"], ["zoom"]])", {{"two", int64_t(2)}}, {}, FeatureType::Point, {}, 2.0f));
ASSERT_FALSE(filter(
R"(["==", ["get", "two"], ["+", ["zoom"], 1]])", {{"two", int64_t(2)}}, {}, FeatureType::Point, {}, 2.0f));
}
TEST(Filter, GeomType) {
ASSERT_TRUE(filter(R"(["==", ["geometry-type"], "Point"])", {{}}, {}, FeatureType::Point, {}, 2.0f));
ASSERT_FALSE(filter(R"(["==", ["geometry-type"], "LineString"])", {{}}, {}, FeatureType::Point, {}, 2.0f));
ASSERT_FALSE(filter(R"(["==", ["geometry-type"], "Polygon"])", {{}}, {}, FeatureType::Point, {}, 2.0f));
ASSERT_FALSE(filter(R"(["==", ["geometry-type"], "Unknown"])", {{}}, {}, FeatureType::Point, {}, 2.0f));
ASSERT_FALSE(filter(R"(["==", ["geometry-type"], "Point"])", {{}}, {}, FeatureType::LineString, {}, 2.0f));
ASSERT_TRUE(filter(R"(["==", ["geometry-type"], "LineString"])", {{}}, {}, FeatureType::LineString, {}, 2.0f));
ASSERT_FALSE(filter(R"(["==", ["geometry-type"], "Polygon"])", {{}}, {}, FeatureType::LineString, {}, 2.0f));
ASSERT_FALSE(filter(R"(["==", ["geometry-type"], "Unknown"])", {{}}, {}, FeatureType::LineString, {}, 2.0f));
ASSERT_FALSE(filter(R"(["==", ["geometry-type"], "Point"])", {{}}, {}, FeatureType::Polygon, {}, 2.0f));
ASSERT_FALSE(filter(R"(["==", ["geometry-type"], "LineString"])", {{}}, {}, FeatureType::Polygon, {}, 2.0f));
ASSERT_TRUE(filter(R"(["==", ["geometry-type"], "Polygon"])", {{}}, {}, FeatureType::Polygon, {}, 2.0f));
ASSERT_FALSE(filter(R"(["==", ["geometry-type"], "Unknown"])", {{}}, {}, FeatureType::Polygon, {}, 2.0f));
ASSERT_FALSE(filter(R"(["==", ["geometry-type"], "Point"])", {{}}, {}, FeatureType::Unknown, {}, 2.0f));
ASSERT_FALSE(filter(R"(["==", ["geometry-type"], "LineString"])", {{}}, {}, FeatureType::Unknown, {}, 2.0f));
ASSERT_FALSE(filter(R"(["==", ["geometry-type"], "Polygon"])", {{}}, {}, FeatureType::Unknown, {}, 2.0f));
ASSERT_TRUE(filter(R"(["==", ["geometry-type"], "Unknown"])", {{}}, {}, FeatureType::Unknown, {}, 2.0f));
}
TEST(Filter, Internal) {
filter(R"(["filter-==","class","snow"])");
}
TEST(Filter, Short) {
filter(R"(["==", ["id"], "foo"])");
}
TEST(Filter, LegacyExpressionInvalidType) {
const JSValue value("string");
conversion::Error error;
std::optional<Filter> result = conversion::convert<Filter>(conversion::Convertible(&value), error);
EXPECT_FALSE(result);
}
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