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#include <iostream>
#include "../util.hpp"
#include <mbgl/map/vector_tile.hpp>
#include <mbgl/style/filter_expression.hpp>
#include <mbgl/style/filter_expression_private.hpp>
#include <map>
using namespace mbgl;
typedef std::multimap<std::string, mbgl::Value> Properties;
class Extractor {
public:
inline Extractor(const Properties& properties_, FeatureType type_)
: properties(properties_)
, type(type_)
{}
mapbox::util::optional<Value> getValue(const std::string &key) const {
if (key == "$type")
return Value(uint64_t(type));
auto it = properties.find(key);
if (it == properties.end())
return mapbox::util::optional<Value>();
return it->second;
}
FeatureType getType() const {
return type;
}
private:
const Properties properties;
FeatureType type;
};
FilterExpression parse(const char * expression) {
rapidjson::Document doc;
doc.Parse<0>(expression);
return parseFilterExpression(doc);
}
bool evaluate(const FilterExpression& expression, const Properties& properties, FeatureType type = FeatureType::Unknown) {
return mbgl::evaluate(expression, Extractor(properties, type));
}
TEST(FilterComparison, EqualsString) {
FilterExpression f = parse("[\"==\", \"foo\", \"bar\"]");
ASSERT_TRUE(evaluate(f, {{ "foo", std::string("bar") }}));
ASSERT_FALSE(evaluate(f, {{ "foo", std::string("baz") }}));
};
TEST(FilterComparison, EqualsNumber) {
FilterExpression f = parse("[\"==\", \"foo\", 0]");
ASSERT_TRUE(evaluate(f, {{ "foo", int64_t(0) }}));
ASSERT_TRUE(evaluate(f, {{ "foo", uint64_t(0) }}));
ASSERT_TRUE(evaluate(f, {{ "foo", double(0) }}));
ASSERT_FALSE(evaluate(f, {{ "foo", int64_t(1) }}));
ASSERT_FALSE(evaluate(f, {{ "foo", uint64_t(1) }}));
ASSERT_FALSE(evaluate(f, {{ "foo", double(1) }}));
ASSERT_FALSE(evaluate(f, {{ "foo", std::string("0") }}));
ASSERT_FALSE(evaluate(f, {{ "foo", false }}));
ASSERT_FALSE(evaluate(f, {{ "foo", true }}));
ASSERT_FALSE(evaluate(f, {{}}));
}
TEST(FilterComparison, EqualsType) {
FilterExpression f = parse("[\"==\", \"$type\", \"LineString\"]");
ASSERT_FALSE(evaluate(f, {{}}, FeatureType::Point));
ASSERT_TRUE(evaluate(f, {{}}, FeatureType::LineString));
}
TEST(FilterComparison, Any) {
ASSERT_FALSE(evaluate(parse("[\"any\"]"), {{}}));
ASSERT_TRUE(evaluate(parse("[\"any\", [\"==\", \"foo\", 1]]"),
{{ std::string("foo"), int64_t(1) }}));
ASSERT_FALSE(evaluate(parse("[\"any\", [\"==\", \"foo\", 0]]"),
{{ std::string("foo"), int64_t(1) }}));
ASSERT_TRUE(evaluate(parse("[\"any\", [\"==\", \"foo\", 0], [\"==\", \"foo\", 1]]"),
{{ std::string("foo"), int64_t(1) }}));
}
TEST(FilterComparison, All) {
ASSERT_TRUE(evaluate(parse("[\"all\"]"), {{}}));
ASSERT_TRUE(evaluate(parse("[\"all\", [\"==\", \"foo\", 1]]"),
{{ std::string("foo"), int64_t(1) }}));
ASSERT_FALSE(evaluate(parse("[\"all\", [\"==\", \"foo\", 0]]"),
{{ std::string("foo"), int64_t(1) }}));
ASSERT_FALSE(evaluate(parse("[\"all\", [\"==\", \"foo\", 0], [\"==\", \"foo\", 1]]"),
{{ std::string("foo"), int64_t(1) }}));
}
TEST(FilterComparison, None) {
ASSERT_TRUE(evaluate(parse("[\"none\"]"), {{}}));
ASSERT_FALSE(evaluate(parse("[\"none\", [\"==\", \"foo\", 1]]"),
{{ std::string("foo"), int64_t(1) }}));
ASSERT_TRUE(evaluate(parse("[\"none\", [\"==\", \"foo\", 0]]"),
{{ std::string("foo"), int64_t(1) }}));
ASSERT_FALSE(evaluate(parse("[\"none\", [\"==\", \"foo\", 0], [\"==\", \"foo\", 1]]"),
{{ std::string("foo"), int64_t(1) }}));
}
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