diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6771387..ab3cb4f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -8,6 +8,8 @@ option(SQLGEN_SQLITE3 "Enable SQLite3 support" ON) # enabled by default
 
 option(SQLGEN_BUILD_TESTS "Build tests" OFF)
 
+option(SQLGEN_BUILD_DRY_TESTS_ONLY "Build 'dry' tests only (those that do not require a database connection)" OFF)
+
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 if (NOT DEFINED CMAKE_CXX_STANDARD)
     set(CMAKE_CXX_STANDARD 20)
diff --git a/src/sqlgen/postgres/to_sql.cpp b/src/sqlgen/postgres/to_sql.cpp
index bf6a74b..cbd20b7 100644
--- a/src/sqlgen/postgres/to_sql.cpp
+++ b/src/sqlgen/postgres/to_sql.cpp
@@ -225,7 +225,7 @@ std::string insert_to_sql(const dynamic::Insert& _stmt) noexcept {
       ", ",
       internal::collect::vector(_stmt.columns | transform(wrap_in_quotes)));
   return "COPY " + schema + "." + table + "(" + colnames +
-         ") FROM STDIN WITH DELIMITER '\t' NULL '\e' QUOTE '\a';";
+         ") FROM STDIN WITH DELIMITER '\t' NULL '\e' CSV QUOTE '\a';";
 }
 
 std::string select_from_to_sql(const dynamic::SelectFrom& _stmt) noexcept {
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index c4dbef8..38466d5 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -1,27 +1,12 @@
-project(sqlgen-tests)
-
-file(GLOB_RECURSE SOURCES CONFIGURE_DEPENDS "*.cpp")
-
-add_executable(
-    sqlgen-tests 
-    ${SOURCES}
-)
-target_precompile_headers(sqlgen-tests PRIVATE [["sqlgen.hpp"]] <iostream> <string> <functional> <gtest/gtest.h>)
-
 if (MSVC)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std:c++20")
 else()
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3 -Wall -Werror -ggdb -fconcepts-diagnostics-depth=5")
 endif()
 
-target_link_libraries(
-    sqlgen-tests  
-    PRIVATE
-    "${SQLGEN_GTEST_LIB}"
-)
-
-find_package(GTest)
-gtest_discover_tests(sqlgen-tests)
+if (SQLGEN_BUILD_DRY_TESTS_ONLY)
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DSQLGEN_BUILD_DRY_TESTS_ONLY")
+endif()
 
 if(SQLGEN_POSTGRES)
     add_subdirectory(postgres)
diff --git a/tests/postgres/test_delete_from.cpp b/tests/postgres/test_delete_from.cpp
new file mode 100644
index 0000000..5b2b543
--- /dev/null
+++ b/tests/postgres/test_delete_from.cpp
@@ -0,0 +1,59 @@
+#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY
+
+#include <gtest/gtest.h>
+
+#include <rfl.hpp>
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/postgres.hpp>
+#include <vector>
+
+namespace test_delete_from {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  int age;
+};
+
+TEST(postgres, test_delete_from) {
+  const auto people1 = std::vector<Person>(
+      {Person{
+           .id = 0, .first_name = "Homer", .last_name = "Simpson", .age = 45},
+       Person{.id = 1, .first_name = "Bart", .last_name = "Simpson", .age = 10},
+       Person{.id = 2, .first_name = "Lisa", .last_name = "Simpson", .age = 8},
+       Person{
+           .id = 3, .first_name = "Maggie", .last_name = "Simpson", .age = 0},
+       Person{
+           .id = 4, .first_name = "Hugo", .last_name = "Simpson", .age = 10}});
+
+  const auto credentials = sqlgen::postgres::Credentials{.user = "postgres",
+                                                         .password = "password",
+                                                         .host = "localhost",
+                                                         .dbname = "postgres"};
+
+  using namespace sqlgen;
+
+  const auto conn =
+      sqlgen::postgres::connect(credentials).and_then(drop<Person> | if_exists);
+
+  sqlgen::write(conn, people1).value();
+
+  const auto delete_hugo =
+      delete_from<Person> | where("first_name"_c == "Hugo");
+
+  const auto people2 =
+      conn.and_then(delete_hugo)
+          .and_then(sqlgen::read<std::vector<Person>> | order_by("id"_c))
+          .value();
+
+  const std::string expected =
+      R"([{"id":0,"first_name":"Homer","last_name":"Simpson","age":45},{"id":1,"first_name":"Bart","last_name":"Simpson","age":10},{"id":2,"first_name":"Lisa","last_name":"Simpson","age":8},{"id":3,"first_name":"Maggie","last_name":"Simpson","age":0}])";
+
+  EXPECT_EQ(rfl::json::write(people2), expected);
+}
+
+}  // namespace test_delete_from
+
+#endif
diff --git a/tests/postgres/test_insert_dry.cpp b/tests/postgres/test_insert_dry.cpp
index 4ee7335..7ed216a 100644
--- a/tests/postgres/test_insert_dry.cpp
+++ b/tests/postgres/test_insert_dry.cpp
@@ -17,7 +17,7 @@ TEST(postgres, test_insert_dry) {
 
   const auto expected =
       "COPY \"public\".\"TestTable\"(\"field1\", \"field2\", \"id\", "
-      "\"nullable\") FROM STDIN WITH DELIMITER '\t' NULL '\e' QUOTE '\a';";
+      "\"nullable\") FROM STDIN WITH DELIMITER '\t' NULL '\e' CSV QUOTE '\a';";
 
   EXPECT_EQ(sqlgen::postgres::to_sql(query), expected);
 }
diff --git a/tests/postgres/test_limit.cpp b/tests/postgres/test_limit.cpp
new file mode 100644
index 0000000..fac7a79
--- /dev/null
+++ b/tests/postgres/test_limit.cpp
@@ -0,0 +1,56 @@
+#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY
+
+#include <gtest/gtest.h>
+
+#include <rfl.hpp>
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/postgres.hpp>
+#include <vector>
+
+namespace test_limit {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  int age;
+};
+
+TEST(postgres, test_limit) {
+  const auto people1 = std::vector<Person>(
+      {Person{
+           .id = 0, .first_name = "Homer", .last_name = "Simpson", .age = 45},
+       Person{.id = 1, .first_name = "Bart", .last_name = "Simpson", .age = 10},
+       Person{.id = 2, .first_name = "Lisa", .last_name = "Simpson", .age = 8},
+       Person{
+           .id = 3, .first_name = "Maggie", .last_name = "Simpson", .age = 0},
+       Person{
+           .id = 4, .first_name = "Hugo", .last_name = "Simpson", .age = 10}});
+
+  const auto credentials = sqlgen::postgres::Credentials{.user = "postgres",
+                                                         .password = "password",
+                                                         .host = "localhost",
+                                                         .dbname = "postgres"};
+
+  using namespace sqlgen;
+
+  const auto conn =
+      sqlgen::postgres::connect(credentials).and_then(drop<Person> | if_exists);
+
+  sqlgen::write(conn, people1).value();
+
+  const auto query =
+      sqlgen::read<std::vector<Person>> | order_by("age"_c) | limit(2);
+
+  const auto people2 = query(conn).value();
+
+  const std::string expected =
+      R"([{"id":3,"first_name":"Maggie","last_name":"Simpson","age":0},{"id":2,"first_name":"Lisa","last_name":"Simpson","age":8}])";
+
+  EXPECT_EQ(rfl::json::write(people2), expected);
+}
+
+}  // namespace test_limit
+
+#endif
diff --git a/tests/postgres/test_range.cpp b/tests/postgres/test_range.cpp
new file mode 100644
index 0000000..92ea408
--- /dev/null
+++ b/tests/postgres/test_range.cpp
@@ -0,0 +1,63 @@
+#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY
+
+#include <gtest/gtest.h>
+
+#include <ranges>
+#include <rfl.hpp>
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/postgres.hpp>
+#include <vector>
+
+namespace test_range {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  int age;
+};
+
+TEST(postgres, test_range) {
+  static_assert(std::ranges::input_range<sqlgen::Range<Person>>,
+                "Must be an input range.");
+
+  const auto people1 = std::vector<Person>(
+      {Person{
+           .id = 0, .first_name = "Homer", .last_name = "Simpson", .age = 45},
+       Person{.id = 1, .first_name = "Bart", .last_name = "Simpson", .age = 10},
+       Person{.id = 2, .first_name = "Lisa", .last_name = "Simpson", .age = 8},
+       Person{
+           .id = 3, .first_name = "Maggie", .last_name = "Simpson", .age = 0}});
+
+  const auto credentials = sqlgen::postgres::Credentials{.user = "postgres",
+                                                         .password = "password",
+                                                         .host = "localhost",
+                                                         .dbname = "postgres"};
+
+  using namespace sqlgen;
+
+  const auto conn =
+      sqlgen::postgres::connect(credentials).and_then(drop<Person> | if_exists);
+
+  const auto people2 =
+      sqlgen::write(conn, people1)
+          .and_then(sqlgen::read<sqlgen::Range<Person>> | order_by("id"_c))
+          .value();
+
+  using namespace std::ranges::views;
+
+  const auto first_names =
+      internal::collect::vector(people2 | transform([](const auto& _r) {
+                                  return _r.value().first_name;
+                                }));
+
+  EXPECT_EQ(first_names.at(0), "Homer");
+  EXPECT_EQ(first_names.at(1), "Bart");
+  EXPECT_EQ(first_names.at(2), "Lisa");
+  EXPECT_EQ(first_names.at(3), "Maggie");
+}
+
+}  // namespace test_range
+
+#endif
diff --git a/tests/postgres/test_timestamp.cpp b/tests/postgres/test_timestamp.cpp
new file mode 100644
index 0000000..e7912d2
--- /dev/null
+++ b/tests/postgres/test_timestamp.cpp
@@ -0,0 +1,47 @@
+#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY
+
+#include <gtest/gtest.h>
+
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/postgres.hpp>
+
+namespace test_timestamp {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  sqlgen::Timestamp<"%Y-%m-%d %H:%M:%S"> ts;
+};
+
+TEST(postgres, test_timestamp) {
+  const auto people1 =
+      std::vector<Person>({Person{.id = 0,
+                                  .first_name = "Homer",
+                                  .last_name = "Simpson",
+                                  .ts = "2000-01-01 01:00:00"}});
+
+  using namespace sqlgen;
+
+  const auto credentials = sqlgen::postgres::Credentials{.user = "postgres",
+                                                         .password = "password",
+                                                         .host = "localhost",
+                                                         .dbname = "postgres"};
+
+  const auto conn =
+      sqlgen::postgres::connect(credentials).and_then(drop<Person> | if_exists);
+
+  const auto people2 = sqlgen::write(conn, people1)
+                           .and_then(sqlgen::read<std::vector<Person>>)
+                           .value();
+
+  const auto json1 = rfl::json::write(people1);
+  const auto json2 = rfl::json::write(people2);
+
+  EXPECT_EQ(json1, json2);
+}
+
+}  // namespace test_timestamp
+
+#endif
diff --git a/tests/postgres/test_timestamp_with_tz.cpp b/tests/postgres/test_timestamp_with_tz.cpp
new file mode 100644
index 0000000..b251dfd
--- /dev/null
+++ b/tests/postgres/test_timestamp_with_tz.cpp
@@ -0,0 +1,47 @@
+#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY
+
+#include <gtest/gtest.h>
+
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/postgres.hpp>
+
+namespace test_timestamp_with_tz {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  sqlgen::Timestamp<"%Y-%m-%d %H:%M:%S%z"> ts;
+};
+
+TEST(postgres, test_timestamp_with_tz) {
+  const auto people1 =
+      std::vector<Person>({Person{.id = 0,
+                                  .first_name = "Homer",
+                                  .last_name = "Simpson",
+                                  .ts = "2000-01-01 01:00:00+0100"}});
+
+  using namespace sqlgen;
+
+  const auto credentials = postgres::Credentials{.user = "postgres",
+                                                 .password = "password",
+                                                 .host = "localhost",
+                                                 .dbname = "postgres"};
+
+  const auto conn =
+      postgres::connect(credentials).and_then(drop<Person> | if_exists);
+
+  const auto people2 = sqlgen::write(conn, people1)
+                           .and_then(sqlgen::read<std::vector<Person>>)
+                           .value();
+
+  const auto json1 = rfl::json::write(people1);
+  const auto json2 = rfl::json::write(people2);
+
+  EXPECT_EQ(json1, json2);
+}
+
+}  // namespace test_timestamp_with_tz
+
+#endif
diff --git a/tests/postgres/test_transaction.cpp b/tests/postgres/test_transaction.cpp
new file mode 100644
index 0000000..8e76cc0
--- /dev/null
+++ b/tests/postgres/test_transaction.cpp
@@ -0,0 +1,62 @@
+#include <gtest/gtest.h>
+
+#include <rfl.hpp>
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/postgres.hpp>
+#include <vector>
+
+namespace test_update {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  int age;
+};
+
+TEST(postgres, test_transaction) {
+  const auto people1 = std::vector<Person>(
+      {Person{
+           .id = 0, .first_name = "Homer", .last_name = "Simpson", .age = 45},
+       Person{.id = 1, .first_name = "Bart", .last_name = "Simpson", .age = 10},
+       Person{.id = 2, .first_name = "Lisa", .last_name = "Simpson", .age = 8},
+       Person{
+           .id = 3, .first_name = "Maggie", .last_name = "Simpson", .age = 0},
+       Person{
+           .id = 4, .first_name = "Hugo", .last_name = "Simpson", .age = 10}});
+
+  const auto credentials = sqlgen::postgres::Credentials{.user = "postgres",
+                                                         .password = "password",
+                                                         .host = "localhost",
+                                                         .dbname = "postgres"};
+
+  using namespace sqlgen;
+
+  const auto conn =
+      postgres::connect(credentials).and_then(drop<Person> | if_exists);
+
+  sqlgen::write(conn, people1).value();
+
+  const auto delete_hugo =
+      delete_from<Person> | where("first_name"_c == "Hugo");
+
+  const auto update_homers_age =
+      update<Person>("age"_c.set(46)) | where("first_name"_c == "Homer");
+
+  const auto get_data = sqlgen::read<std::vector<Person>> | order_by("id"_c);
+
+  const auto people2 = begin_transaction(conn)
+                           .and_then(delete_hugo)
+                           .and_then(update_homers_age)
+                           .and_then(commit)
+                           .and_then(get_data)
+                           .value();
+
+  const std::string expected =
+      R"([{"id":0,"first_name":"Homer","last_name":"Simpson","age":46},{"id":1,"first_name":"Bart","last_name":"Simpson","age":10},{"id":2,"first_name":"Lisa","last_name":"Simpson","age":8},{"id":3,"first_name":"Maggie","last_name":"Simpson","age":0}])";
+
+  EXPECT_EQ(rfl::json::write(people2), expected);
+}
+
+}  // namespace test_update
diff --git a/tests/postgres/test_update.cpp b/tests/postgres/test_update.cpp
new file mode 100644
index 0000000..2d8ed9e
--- /dev/null
+++ b/tests/postgres/test_update.cpp
@@ -0,0 +1,60 @@
+#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY
+
+#include <gtest/gtest.h>
+
+#include <rfl.hpp>
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/postgres.hpp>
+#include <vector>
+
+namespace test_update {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  int age;
+};
+
+TEST(postgres, test_update) {
+  const auto people1 = std::vector<Person>(
+      {Person{
+           .id = 0, .first_name = "Homer", .last_name = "Simpson", .age = 45},
+       Person{.id = 1, .first_name = "Bart", .last_name = "Simpson", .age = 10},
+       Person{.id = 2, .first_name = "Lisa", .last_name = "Simpson", .age = 8},
+       Person{
+           .id = 3, .first_name = "Maggie", .last_name = "Simpson", .age = 0},
+       Person{
+           .id = 4, .first_name = "Hugo", .last_name = "Simpson", .age = 10}});
+
+  const auto credentials = sqlgen::postgres::Credentials{.user = "postgres",
+                                                         .password = "password",
+                                                         .host = "localhost",
+                                                         .dbname = "postgres"};
+
+  using namespace sqlgen;
+
+  const auto conn =
+      sqlgen::postgres::connect(credentials).and_then(drop<Person> | if_exists);
+
+  sqlgen::write(conn, people1).value();
+
+  const auto update_hugos_age =
+      update<Person>("first_name"_c.set("last_name"_c), "age"_c.set(100)) |
+      where("first_name"_c == "Hugo");
+
+  const auto people2 =
+      conn.and_then(update_hugos_age)
+          .and_then(sqlgen::read<std::vector<Person>> | order_by("id"_c))
+          .value();
+
+  const std::string expected =
+      R"([{"id":0,"first_name":"Homer","last_name":"Simpson","age":45},{"id":1,"first_name":"Bart","last_name":"Simpson","age":10},{"id":2,"first_name":"Lisa","last_name":"Simpson","age":8},{"id":3,"first_name":"Maggie","last_name":"Simpson","age":0},{"id":4,"first_name":"Simpson","last_name":"Simpson","age":100}])";
+
+  EXPECT_EQ(rfl::json::write(people2), expected);
+}
+
+}  // namespace test_update
+
+#endif
diff --git a/tests/postgres/test_varchar.cpp b/tests/postgres/test_varchar.cpp
new file mode 100644
index 0000000..1e5c283
--- /dev/null
+++ b/tests/postgres/test_varchar.cpp
@@ -0,0 +1,52 @@
+
+#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY
+
+#include <gtest/gtest.h>
+
+#include <rfl.hpp>
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/postgres.hpp>
+#include <vector>
+
+namespace test_varchar {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  sqlgen::Varchar<6> first_name;
+  sqlgen::Varchar<7> last_name;
+  int age;
+};
+
+TEST(postgres, test_varchar) {
+  const auto people1 = std::vector<Person>(
+      {Person{
+           .id = 0, .first_name = "Homer", .last_name = "Simpson", .age = 45},
+       Person{.id = 1, .first_name = "Bart", .last_name = "Simpson", .age = 10},
+       Person{.id = 2, .first_name = "Lisa", .last_name = "Simpson", .age = 8},
+       Person{
+           .id = 3, .first_name = "Maggie", .last_name = "Simpson", .age = 0}});
+
+  const auto credentials = sqlgen::postgres::Credentials{.user = "postgres",
+                                                         .password = "password",
+                                                         .host = "localhost",
+                                                         .dbname = "postgres"};
+
+  using namespace sqlgen;
+
+  const auto conn =
+      sqlgen::postgres::connect(credentials).and_then(drop<Person> | if_exists);
+
+  sqlgen::write(conn, people1).value();
+
+  const auto people2 = sqlgen::read<std::vector<Person>>(conn).value();
+
+  const auto json1 = rfl::json::write(people1);
+  const auto json2 = rfl::json::write(people2);
+
+  EXPECT_EQ(json1, json2);
+}
+
+}  // namespace test_varchar
+
+#endif
diff --git a/tests/postgres/test_where.cpp b/tests/postgres/test_where.cpp
new file mode 100644
index 0000000..ddaed0a
--- /dev/null
+++ b/tests/postgres/test_where.cpp
@@ -0,0 +1,57 @@
+#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY
+
+#include <gtest/gtest.h>
+
+#include <rfl.hpp>
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/postgres.hpp>
+#include <vector>
+
+namespace test_where {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  int age;
+};
+
+TEST(postgres, test_where) {
+  const auto people1 = std::vector<Person>(
+      {Person{
+           .id = 0, .first_name = "Homer", .last_name = "Simpson", .age = 45},
+       Person{.id = 1, .first_name = "Bart", .last_name = "Simpson", .age = 10},
+       Person{.id = 2, .first_name = "Lisa", .last_name = "Simpson", .age = 8},
+       Person{
+           .id = 3, .first_name = "Maggie", .last_name = "Simpson", .age = 0},
+       Person{
+           .id = 4, .first_name = "Hugo", .last_name = "Simpson", .age = 10}});
+
+  const auto credentials = sqlgen::postgres::Credentials{.user = "postgres",
+                                                         .password = "password",
+                                                         .host = "localhost",
+                                                         .dbname = "postgres"};
+
+  using namespace sqlgen;
+
+  const auto conn =
+      sqlgen::postgres::connect(credentials).and_then(drop<Person> | if_exists);
+
+  sqlgen::write(conn, people1).value();
+
+  const auto query = sqlgen::read<std::vector<Person>> |
+                     where("age"_c < 18 and "first_name"_c != "Hugo") |
+                     order_by("age"_c);
+
+  const auto people2 = query(conn).value();
+
+  const std::string expected =
+      R"([{"id":3,"first_name":"Maggie","last_name":"Simpson","age":0},{"id":2,"first_name":"Lisa","last_name":"Simpson","age":8},{"id":1,"first_name":"Bart","last_name":"Simpson","age":10}])";
+
+  EXPECT_EQ(rfl::json::write(people2), expected);
+}
+
+}  // namespace test_where
+
+#endif
diff --git a/tests/postgres/test_write_and_read.cpp b/tests/postgres/test_write_and_read.cpp
new file mode 100644
index 0000000..d45d980
--- /dev/null
+++ b/tests/postgres/test_write_and_read.cpp
@@ -0,0 +1,51 @@
+#ifndef SQLGEN_BUILD_DRY_TESTS_ONLY
+
+#include <gtest/gtest.h>
+
+#include <rfl.hpp>
+#include <rfl/json.hpp>
+#include <sqlgen.hpp>
+#include <sqlgen/postgres.hpp>
+#include <vector>
+
+namespace test_write_and_read {
+
+struct Person {
+  sqlgen::PrimaryKey<uint32_t> id;
+  std::string first_name;
+  std::string last_name;
+  int age;
+};
+
+TEST(postgres, test_write_and_read) {
+  const auto people1 = std::vector<Person>(
+      {Person{
+           .id = 0, .first_name = "Homer", .last_name = "Simpson", .age = 45},
+       Person{.id = 1, .first_name = "Bart", .last_name = "Simpson", .age = 10},
+       Person{.id = 2, .first_name = "Lisa", .last_name = "Simpson", .age = 8},
+       Person{
+           .id = 3, .first_name = "Maggie", .last_name = "Simpson", .age = 0}});
+
+  const auto credentials = sqlgen::postgres::Credentials{.user = "postgres",
+                                                         .password = "password",
+                                                         .host = "localhost",
+                                                         .dbname = "postgres"};
+
+  using namespace sqlgen;
+
+  const auto conn =
+      postgres::connect(credentials).and_then(drop<Person> | if_exists);
+
+  const auto people2 = sqlgen::write(conn, people1)
+                           .and_then(sqlgen::read<std::vector<Person>>)
+                           .value();
+
+  const auto json1 = rfl::json::write(people1);
+  const auto json2 = rfl::json::write(people2);
+
+  EXPECT_EQ(json1, json2);
+}
+
+}  // namespace test_write_and_read
+
+#endif
diff --git a/tests/sqlite/test_timestamp.cpp b/tests/sqlite/test_timestamp.cpp
index d23216c..5c56c4c 100644
--- a/tests/sqlite/test_timestamp.cpp
+++ b/tests/sqlite/test_timestamp.cpp
@@ -15,7 +15,7 @@ struct Person {
   sqlgen::Timestamp<"%Y-%m-%d %H:%M:%S"> birthdate;
 };
 
-TEST(sqlite, test_birthdate) {
+TEST(sqlite, test_timestamp) {
   const auto people1 =
       std::vector<Person>({Person{.id = 0,
                                   .first_name = "Homer",
diff --git a/tests/test_schema.cpp b/tests/test_schema.cpp
deleted file mode 100644
index 74095a0..0000000
--- a/tests/test_schema.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-#include <gtest/gtest.h>
-
-#include <sqlgen.hpp>
-#include <sqlgen/transpilation/to_create_table.hpp>
-
-namespace test_schema {
-
-struct TestTable {
-  static constexpr const char* schema = "test";
-
-  std::string field1;
-  int32_t field2;
-  sqlgen::PrimaryKey<uint32_t> id;
-  std::optional<std::string> nullable;
-};
-
-TEST(general, test_schema) {
-  const auto create_table_stmt =
-      sqlgen::transpilation::to_create_table<TestTable>();
-
-  EXPECT_EQ(create_table_stmt.table.schema, "test");
-}
-}  // namespace test_schema
diff --git a/tests/test_tablename.cpp b/tests/test_tablename.cpp
deleted file mode 100644
index d653ecc..0000000
--- a/tests/test_tablename.cpp
+++ /dev/null
@@ -1,23 +0,0 @@
-#include <gtest/gtest.h>
-
-#include <sqlgen.hpp>
-#include <sqlgen/transpilation/to_create_table.hpp>
-
-namespace test_tablename {
-
-struct TestTable {
-  static constexpr const char* tablename = "TEST_TABLE";
-
-  std::string field1;
-  int32_t field2;
-  sqlgen::PrimaryKey<uint32_t> id;
-  std::optional<std::string> nullable;
-};
-
-TEST(general, test_tablename) {
-  const auto create_table_stmt =
-      sqlgen::transpilation::to_create_table<TestTable>();
-
-  EXPECT_EQ(create_table_stmt.table.name, "TEST_TABLE");
-}
-}  // namespace test_tablename
diff --git a/tests/test_to_create_table.cpp b/tests/test_to_create_table.cpp
deleted file mode 100644
index c933e8d..0000000
--- a/tests/test_to_create_table.cpp
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <gtest/gtest.h>
-
-#include <rfl/json.hpp>
-#include <sqlgen.hpp>
-#include <sqlgen/transpilation/to_create_table.hpp>
-
-namespace test_to_create_table {
-
-struct TestTable {
-  std::string field1;
-  int32_t field2;
-  sqlgen::PrimaryKey<uint32_t> id;
-  std::optional<std::string> nullable;
-};
-
-TEST(general, test_to_create_table) {
-  const auto create_table_stmt =
-      sqlgen::transpilation::to_create_table<TestTable>();
-
-  const std::string expected =
-      R"({"table":{"name":"TestTable"},"columns":[{"name":"field1","type":{"type":"Text","properties":{"primary":false,"nullable":false}}},{"name":"field2","type":{"type":"Int32","properties":{"primary":false,"nullable":false}}},{"name":"id","type":{"type":"UInt32","properties":{"primary":true,"nullable":false}}},{"name":"nullable","type":{"type":"Text","properties":{"primary":false,"nullable":true}}}],"if_not_exists":true})";
-
-  const auto json_str = rfl::json::write(create_table_stmt);
-
-  EXPECT_EQ(json_str, expected);
-}
-}  // namespace test_to_create_table
diff --git a/tests/test_to_insert.cpp b/tests/test_to_insert.cpp
deleted file mode 100644
index 66ae407..0000000
--- a/tests/test_to_insert.cpp
+++ /dev/null
@@ -1,26 +0,0 @@
-#include <gtest/gtest.h>
-
-#include <rfl/json.hpp>
-#include <sqlgen.hpp>
-#include <sqlgen/transpilation/to_insert.hpp>
-
-namespace test_to_insert {
-
-struct TestTable {
-  std::string field1;
-  int32_t field2;
-  sqlgen::PrimaryKey<uint32_t> id;
-  std::optional<std::string> nullable;
-};
-
-TEST(general, test_to_insert) {
-  const auto insert_stmt = sqlgen::transpilation::to_insert<TestTable>();
-
-  const std::string expected =
-      R"({"table":{"name":"TestTable"},"columns":["field1","field2","id","nullable"]})";
-
-  const auto json_str = rfl::json::write(insert_stmt);
-
-  EXPECT_EQ(json_str, expected);
-}
-}  // namespace test_to_insert
diff --git a/tests/test_to_select_from.cpp b/tests/test_to_select_from.cpp
deleted file mode 100644
index 52df272..0000000
--- a/tests/test_to_select_from.cpp
+++ /dev/null
@@ -1,27 +0,0 @@
-#include <gtest/gtest.h>
-
-#include <rfl/json.hpp>
-#include <sqlgen.hpp>
-#include <sqlgen/transpilation/to_select_from.hpp>
-
-namespace test_to_select_from {
-
-struct TestTable {
-  std::string field1;
-  int32_t field2;
-  sqlgen::PrimaryKey<uint32_t> id;
-  std::optional<std::string> nullable;
-};
-
-TEST(general, test_to_select_from) {
-  const auto select_from_stmt =
-      sqlgen::transpilation::to_select_from<TestTable>();
-
-  const std::string expected =
-      R"({"table":{"name":"TestTable"},"columns":[{"name":"field1","type":{"type":"Text","properties":{"primary":false,"nullable":false}}},{"name":"field2","type":{"type":"Int32","properties":{"primary":false,"nullable":false}}},{"name":"id","type":{"type":"UInt32","properties":{"primary":true,"nullable":false}}},{"name":"nullable","type":{"type":"Text","properties":{"primary":false,"nullable":true}}}]})";
-
-  const auto json_str = rfl::json::write(select_from_stmt);
-
-  EXPECT_EQ(json_str, expected);
-}
-}  // namespace test_to_select_from