// Copyright (c) Glyn Matthews 2012-2016.
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)

#include <gtest/gtest.h>
#include <network/uri.hpp>

// Compare the underlying strings because ``normalize`` is used in the
// ``uri`` equality operator.

TEST(uri_normalization_test, string_comparison) {
  network::uri instance("http://www.example.com/");
  ASSERT_EQ(
      "http://www.example.com/",
      instance.normalize(network::uri_comparison_level::string_comparison).string());
}

TEST(uri_normalization_test, string_comparison_with_case) {
  network::uri instance("HTTP://www.example.com/");
  ASSERT_EQ(
      "HTTP://www.example.com/",
      instance.normalize(network::uri_comparison_level::string_comparison).string());
}

TEST(uri_normalization_test, normalize_case_capitalized_scheme) {
  network::uri instance("HTTP://www.example.com/");
  ASSERT_EQ("http://www.example.com/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, DISABLED_normalize_case_capitalized_host) {
  network::uri instance("http://WWW.EXAMPLE.COM/");
  ASSERT_EQ("http://www.example.com/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, normalize_percent_encoding) {
  network::uri instance(
      "http://www%2Eexample%2Ecom/%7E%66%6F%6F%62%61%72%5F%36%39/");
  ASSERT_EQ("http://www.example.com/~foobar_69/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test,
     normalize_percent_encoding_with_lower_case_elements) {
  network::uri instance(
      "http://www%2eexample%2ecom/%7e%66%6f%6f%62%61%72%5f%36%39/");
  ASSERT_EQ("http://www.example.com/~foobar_69/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, normalize_percent_encoding_is_upper_case) {
  network::uri instance(
      "HTTP://www%2Eexample%2Ecom/%7E%66%6F%6F%62%61%72%5F%36%39/");
  ASSERT_EQ("http://www.example.com/~foobar_69/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, path_segmented_add_trailing_slash) {
  network::uri instance("http://www.example.com");
  ASSERT_EQ("http://www.example.com/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test,
     path_segmented_dont_add_trailing_slash_if_path_is_not_empty) {
  network::uri instance("http://www.example.com/path");
  ASSERT_EQ("http://www.example.com/path",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, path_segmented_remove_dot_segments) {
  network::uri instance("http://www.example.com/a/./b/");
  ASSERT_EQ("http://www.example.com/a/b/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, path_segmented_remove_double_dot_segments) {
  network::uri instance("http://www.example.com/a/../b/");
  ASSERT_EQ("http://www.example.com/b/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test,
     path_segmented_remove_dot_segments_with_percent_encoded_dot) {
  network::uri instance("http://www.example.com/a/%2E/b/");
  ASSERT_EQ("http://www.example.com/a/b/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test,
     path_segmented_remove_double_dot_segments_with_percent_encoded_dots) {
  network::uri instance("http://www.example.com/a/%2E%2E/b/");
  ASSERT_EQ("http://www.example.com/b/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test,
     path_segmented_remove_double_dot_segments_with_query) {
  network::uri instance("http://www.example.com/a/../b/?key=value");
  ASSERT_EQ("http://www.example.com/b/?key=value",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test,
     path_segmented_remove_double_dot_segments_with_empty_query) {
  network::uri instance("http://www.example.com/a/../b/?");
  ASSERT_EQ("http://www.example.com/b/?",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test,
     path_segmented_remove_double_dot_segments_with_fragment) {
  network::uri instance("http://www.example.com/a/../b/#fragment");
  ASSERT_EQ("http://www.example.com/b/#fragment",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test,
     path_segmented_remove_double_dot_segments_with_empty_fragment) {
  network::uri instance("http://www.example.com/a/../b/#");
  ASSERT_EQ("http://www.example.com/b/#",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test,
     path_segmented_remove_double_dot_segments_with_query_and_fragment) {
  network::uri instance("http://www.example.com/a/../b/?key=value#fragment");
  ASSERT_EQ("http://www.example.com/b/?key=value#fragment",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, path_double_dash) {
  network::uri instance("http://www.example.com//");
  ASSERT_EQ("http://www.example.com/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, path_triple_dash) {
  network::uri instance("http://www.example.com///");
  ASSERT_EQ("http://www.example.com/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, path_depth_below_root) {
  network::uri instance("http://www.example.com/..");
  ASSERT_THROW(instance.normalize(network::uri_comparison_level::syntax_based),
               std::system_error);
}

TEST(uri_normalization_test, path_depth_below_root_2) {
  network::uri instance("http://www.example.com/a/../..");
  ASSERT_THROW(instance.normalize(network::uri_comparison_level::syntax_based),
               std::system_error);
}

TEST(uri_normalization_test, path_dash_dot_dash) {
  network::uri instance("http://www.example.com/./");
  ASSERT_EQ("http://www.example.com/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, path_dash_dot_dash_dot) {
  network::uri instance("http://www.example.com/./.");
  ASSERT_EQ("http://www.example.com/",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, path_percent_encoded_reserved) {
  // :/?#[]@!$&'()*+,;=
  network::uri instance(
      "http://www.example.com/%3a%2f%3f%23%5b%5d%40%21%24%26%27%28%29%2a%2b%2c%3b%3d");
  ASSERT_EQ(
      "http://www.example.com/%3A%2F%3F%23%5B%5D%40%21%24%26%27%28%29%2A%2B%2C%3B%3D",
      instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, path_percent_encoded_unreserved) {
  network::uri instance("http://www.example.com/alpha123%2d%2e%5f%7e");
  ASSERT_EQ("http://www.example.com/alpha123-._~",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, query_percent_encoded_reserved) {
  // :/?#[]@!$&'()*+,;=
  network::uri instance(
      "http://www.example.com?foo=%3a%2f%3f%23%5b%5d%40%21%24%26%27%28%29%2a%2b%2c%3b%3d");
  ASSERT_EQ(
      "http://www.example.com/?foo=%3A%2F%3F%23%5B%5D%40%21%24%26%27%28%29%2A%2B%2C%3B%3D",
      instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_normalization_test, query_percent_encoded_unreserved) {
  network::uri instance("http://www.example.com?foo=alpha123%2d%2e%5f%7e");
  ASSERT_EQ("http://www.example.com/?foo=alpha123-._~",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_test, path_adjacent_slashes_122) {
  // https://github.com/cpp-netlib/uri/issues/122
  network::uri instance("http://www.example.com/abc//elementary");
  ASSERT_EQ("http://www.example.com/abc/elementary",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}

TEST(uri_test, path_adjacent_slashes_122_part_2) {
  // https://github.com/cpp-netlib/uri/issues/122
  network::uri instance("http://www.example.com/abc//.//../elementary");
  ASSERT_EQ("http://www.example.com/elementary",
            instance.normalize(network::uri_comparison_level::syntax_based).string());
}