class Libpqxx < Formula
  desc "C++ connector for PostgreSQL"
  homepage "http://pqxx.org/development/libpqxx/"
  url "https://github.com/jtv/libpqxx/archive/6.4.5.tar.gz"
  sha256 "86921fdb0fe54495a79d5af2c96f2c771098c31e9b352d0834230fd2799ad362"
  revision 1

  bottle do
    cellar :any
    sha256 "8f4cdde8aa2ddbe3e8bc52608ab31aca62f259b7271c723555a051871d7a96af" => :mojave
    sha256 "6d57ea59c5a3bb63c85de9211589f127346cb1dca8fc0c9faa6a3c2b802237a4" => :high_sierra
    sha256 "55446bc04b5a91a842671a0cb45bfbbd8a7dd5d82f8e8c8210b6434e5f26c235" => :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