added SchemaTest, fixed bug in class shipment, added contains methods to class schema and enabled some tests

test/orm/query/SchemaTest.cpp

@@ -0,0 +1,42 @@
+#include <catch2/catch_test_macros.hpp>
+
+#include "matador/query/schema.hpp"
+
+#include "../../models/shipment.hpp"
+
+using namespace matador::query;
+using namespace matador::test;
+
+TEST_CASE("Test schema with belongs-to to has-many relation" "[schema][relation][belongs_to]") {
+  schema repo;
+  auto result = repo.attach<package>("packages")
+    .and_then( [&repo] { return repo.attach<shipment>("shipments"); } );
+  REQUIRE(result.is_ok());
+  REQUIRE(repo.size() == 2);
+  REQUIRE(repo.contains<shipment>());
+  REQUIRE(repo.contains<package>());
+
+  auto it = repo.find<shipment>();
+  REQUIRE(it != repo.end());
+  REQUIRE(it->second.name() == "shipments");
+  it = repo.find<package>();
+  REQUIRE(it != repo.end());
+  REQUIRE(it->second.name() == "packages");
+}
+
+TEST_CASE("Test schema with has-many to belongs-to relation" "[schema][relation][has_many]") {
+  schema repo;
+  auto result = repo.attach<shipment>("shipments")
+    .and_then( [&repo] { return repo.attach<package>("packages"); } );
+  REQUIRE(result.is_ok());
+  REQUIRE(repo.size() == 2);
+  REQUIRE(repo.contains<shipment>());
+  REQUIRE(repo.contains<package>());
+
+  auto it = repo.find<shipment>();
+  REQUIRE(it != repo.end());
+  REQUIRE(it->second.name() == "shipments");
+  it = repo.find<package>();
+  REQUIRE(it != repo.end());
+  REQUIRE(it->second.name() == "packages");
+}