// set up test BSON documents and objects
std::string json_str = R"({"a": 1, "b":4, "c": 9})";
auto doc = from_json(json_str);
auto doc_view = doc.view();
std::string json_str_2 = R"({"a": 1, "b":4, "c": 900})";
auto doc_2 = from_json(json_str_2);
auto doc_2_view = doc_2.view();
Foo obj{1, 4, 9};
TEST_CASE("Function to_document can faithfully convert objects to BSON documents.",
"[mangrove::to_document]") {
document::value val = to_document(obj);
auto v = val.view();
REQUIRE(v["a"].get_int32() == obj.a);
REQUIRE(v["b"].get_int32() == obj.b);
REQUIRE(v["c"].get_int32() == obj.c);
}
TEST_CASE("Function to_obj can faithfully convert documents to objects.", "[mangrove::to_obj]") {
// Test return-by-value
Foo obj1 = to_obj<Foo>(doc_view);
// Test fill-by-reference
Foo obj2;
to_obj(doc_view, obj2);
REQUIRE(doc_view["a"].get_int32() == obj1.a);
REQUIRE(doc_view["b"].get_int32() == obj1.b);
#include <mongocxx/hint.hpp>
using namespace mongocxx;
using namespace bsoncxx;
TEST_CASE("Hint", "[hint]") {
SECTION("Can be constructed with index name") {
std::string index_name = "a_1";
hint index_hint{index_name};
SECTION("Can be applied to a query") {
document::value filter = builder::stream::document{}
<< "a" << 15
<< builder::stream::concatenate{index_hint.to_document()}
<< builder::stream::finalize;
document::view view{filter.view()};
document::element ele{view["hint"]};
REQUIRE(ele);
REQUIRE(ele.type() == type::k_utf8);
REQUIRE(ele.get_utf8().value.to_string() == index_name);
}
SECTION("Compares equal to matching index name") {
REQUIRE(index_hint == index_name);
REQUIRE(index_name == index_hint);
}
SECTION("Does not equal non-matching index name") {
REQUIRE(index_hint != "sam");
REQUIRE("sam" != index_hint);
}