added column names and values generator and tests

test/CMakeLists.txt

@@ -16,7 +16,8 @@ add_executable(tests builder.cpp
   backend_provider.cpp
   connection.cpp
   product.hpp
-  column_generator.cpp)
+  column_generator.cpp
+  column_name_generator.cpp)
 target_link_libraries(tests PRIVATE
   Catch2::Catch2WithMain
   matador

test/column_name_generator.cpp

@@ -0,0 +1,30 @@
+#include <catch2/catch_test_macros.hpp>
+
+#include "matador/sql/column_name_generator.hpp"
+
+#include "product.hpp"
+
+using namespace matador::sql;
+
+TEST_CASE("Generate column names from object", "[column name generator]") {
+
+  auto columns = column_name_generator::generate<matador::test::product>();
+
+  const std::vector<std::string> expected_columns = {
+    "product_name",
+    "supplier_id",
+    "category_id",
+    "quantity_per_unit",
+    "unit_price",
+    "units_in_stock",
+    "units_in_order",
+    "reorder_level",
+    "discontinued"
+  };
+  REQUIRE(!columns.empty());
+  REQUIRE(columns.size() == expected_columns.size());
+
+  for (size_t i = 0; i != expected_columns.size(); ++i) {
+    REQUIRE(expected_columns[i] == columns[i]);
+  }
+}

test/session.cpp

@@ -7,6 +7,7 @@
 #include "product.hpp"
 
 using namespace matador::sql;
+using namespace matador::test;
 
 TEST_CASE("Execute create table statement", "[connection]") {
   connection_pool<connection> pool("sqlite://sqlite.db", 4);
@@ -21,7 +22,9 @@ TEST_CASE("Execute create table statement", "[connection]") {
 
   REQUIRE(res.second == R"(CREATE TABLE "person" ("id" BIGINT NOT NULL PRIMARY KEY, "name" VARCHAR(255), "age" INTEGER))");
 
-  res = s.create().table<matador::test::product>("product").execute();
+  res = s.create().table<product>("product").execute();
+
+  REQUIRE(res.second == R"(CREATE TABLE "person" ("id" BIGINT NOT NULL PRIMARY KEY, "name" VARCHAR(255), "age" INTEGER))");
 }
 
 TEST_CASE("Execute drop table statement", "[connection]") {