class Libpqxx < Formula
  desc "C++ connector for PostgreSQL"
  homepage "http://pqxx.org/development/libpqxx/"
  url "https://github.com/jtv/libpqxx/archive/6.4.4.tar.gz"
  sha256 "6ae3a0113a242db6bb9d998943b7cc23699652d843dab702aa06a8b9330c171a"

  bottle do
    cellar :any
    sha256 "b81d5d5fbecdebad76201a599c341aa6e09aa66e6af2a21c20b1c2ca4348e146" => :mojave
    sha256 "40b9be249b893b8f0ef7f31c30e1222e6193d9454902064fda4e85404eddf510" => :high_sierra
    sha256 "28c8597b50f2bfb45e2ebe89b3a510ccdf63d7ff971f5571861a4e8dbbb5d7f9" => :sierra
  end

  depends_on "pkg-config" => :build
  depends_on "xmlto" => :build
  depends_on "postgresql"

  def install
    system "./configure", "--prefix=#{prefix}", "--enable-shared"
    system "make", "install"
  end

  test do
    (testpath/"test.cpp").write <<~EOS
      #include <pqxx/pqxx>
      int main(int argc, char** argv) {
        pqxx::connection con;
        return 0;
      }
    EOS
    system ENV.cxx, "-std=c++11", "test.cpp", "-L#{lib}", "-lpqxx",
           "-I#{include}", "-o", "test"
    # Running ./test will fail because there is no runnning postgresql server
    # system "./test"

    # `pg_config` uses Cellar paths not opt paths
    postgresql_include = Formula["postgresql"].opt_include.realpath.to_s
    assert_match postgresql_include, (lib/"pkgconfig/libpqxx.pc").read,
                 "Please revision bump libpqxx."
  end
end