has many to many progress

test/backends/SessionTest.cpp

@@ -7,6 +7,7 @@
 #include "models/book.hpp"
 #include "models/department.hpp"
 #include "models/flight.hpp"
+#include "models/recipe.hpp"
 
 #include <iostream>
 
@@ -202,4 +203,38 @@ TEST_CASE_METHOD(SessionFixture, "Use session to find all objects with one-to-ma
           std::cout << "\temployee: " << emp->first_name << " " << emp->last_name << "( " << emp->id << ")\n";
       }
   }
+}
+
+TEST_CASE_METHOD(SessionFixture, "Use session to find all objects with many-to-many eager relation", "[session][find][many-to-many][eager]") {
+  auto result = ses.attach<recipe>("recipes")
+    .and_then( [this] { return ses.attach<ingredient>("ingredients"); } )
+    .and_then( [this] { return ses.attach<recipe_ingredient>("recipe_ingredients"); } )
+    .and_then( [this] { return ses.create_schema(); } );
+
+  tables_to_drop.emplace("recipes");
+  tables_to_drop.emplace("ingredients");
+  tables_to_drop.emplace("recipe_ingredients");
+
+  std::vector<std::unique_ptr<ingredient>> ingredients;
+  ingredients.push_back(std::make_unique<ingredient>(1, "Apple"));
+  ingredients.push_back(std::make_unique<ingredient>(1, "Apple"));
+  ingredients.push_back(std::make_unique<ingredient>(2, "Strawberry"));
+  ingredients.push_back(std::make_unique<ingredient>(3, "Pineapple"));
+  ingredients.push_back(std::make_unique<ingredient>(4, "Sugar"));
+  ingredients.push_back(std::make_unique<ingredient>(5, "Flour"));
+  ingredients.push_back(std::make_unique<ingredient>(6, "Butter"));
+  ingredients.push_back(std::make_unique<ingredient>(7, "Beans"));
+
+  for (auto &i: ingredients) {
+    auto res = ses.insert(i.release());
+    REQUIRE(res.is_ok());
+  }
+
+  std::vector<std::unique_ptr<recipe>> recipes;
+  recipes.push_back(std::make_unique<recipe>(7, "Apple Crumble"));
+  recipes.push_back(std::make_unique<recipe>(8, "Beans Chili"));
+  recipes.push_back(std::make_unique<recipe>(9, "Fruit Salad"));
+
+  
+
 }