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 * in the documentation and/or other materials provided with the
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#include "src/core/tsi/fake_transport_security.h"

#include "src/core/tsi/transport_security_test_lib.h"
#include <gtest/gtest.h>
#include "util/random/permute-inl.h"

namespace {

void CheckStringPeerProperty(const tsi_peer& peer, int property_index,
                             const char* expected_name,
                             const char* expected_value) {
  EXPECT_LT(property_index, peer.property_count);
  const tsi_peer_property* property = &peer.properties[property_index];
  EXPECT_EQ(TSI_PEER_PROPERTY_TYPE_STRING, property->type);
  EXPECT_EQ(string(expected_name), string(property->name));
  EXPECT_EQ(string(expected_value),
            string(property->value.string.data, property->value.string.length));
}

class FakeTransportSecurityTest : public tsi::test::TransportSecurityTest {
 protected:
  void SetupHandshakers() override {
    client_handshaker_.reset(tsi_create_fake_handshaker(1));
    server_handshaker_.reset(tsi_create_fake_handshaker(0));
  }

  void CheckPeer(tsi_handshaker* handshaker) {
    tsi_peer peer;
    EXPECT_EQ(TSI_OK, tsi_handshaker_extract_peer(handshaker, &peer));
    EXPECT_EQ(1, peer.property_count);
    CheckStringPeerProperty(peer, 0, TSI_CERTIFICATE_TYPE_PEER_PROPERTY,
                            TSI_FAKE_CERTIFICATE_TYPE);
    tsi_peer_destruct(&peer);
  }

  void CheckHandshakeResults() override {
    CheckPeer(client_handshaker_.get());
    CheckPeer(server_handshaker_.get());
  }

  const tsi::test::TestConfig* config() {
    return &config_;
  }

  tsi::test::TestConfig config_;
};

TEST_F(FakeTransportSecurityTest, Handshake) {
  PerformHandshake();
}

TEST_F(FakeTransportSecurityTest, HandshakeSmallBuffer) {
  config_.handshake_buffer_size = 3;
  PerformHandshake();
}
TEST_F(FakeTransportSecurityTest, PingPong) {
  PingPong();
}

TEST_F(FakeTransportSecurityTest, RoundTrip) {
  config_.client_message = big_message_;
  config_.server_message = small_message_;
  DoRoundTrip();
}

TEST_F(FakeTransportSecurityTest, RoundTripSmallMessageBuffer) {
  config_.message_buffer_allocated_size = 42;
  config_.client_message = big_message_;
  config_.server_message = small_message_;
  DoRoundTrip();
}

TEST_F(FakeTransportSecurityTest, RoundTripSmallProtectedBufferSize) {
  config_.protected_buffer_size = 37;
  config_.client_message = big_message_;
  config_.server_message = small_message_;
  DoRoundTrip();
}

TEST_F(FakeTransportSecurityTest, RoundTripSmallReadBufferSize) {
  config_.read_buffer_allocated_size = 41;
  config_.client_message = big_message_;
  config_.server_message = small_message_;
  DoRoundTrip();
}

TEST_F(FakeTransportSecurityTest, RoundTripSmallClientFrames) {
  config_.set_client_max_output_protected_frame_size(39);
  config_.client_message = big_message_;
  config_.server_message = small_message_;
  DoRoundTrip();
}

TEST_F(FakeTransportSecurityTest, RoundTripSmallServerFrames) {
  config_.set_server_max_output_protected_frame_size(43);
  config_.client_message = small_message_;
  config_.server_message = big_message_;
  DoRoundTrip();
}

TEST_F(FakeTransportSecurityTest, RoundTripOddBufferSizes) {
  int odd_sizes[] = {33, 67, 135, 271, 523};
  RandomPermutation<int> permute(odd_sizes, arraysize(odd_sizes),
                                 random_.get());
  permute.Permute();
  LOG(ERROR) << odd_sizes[0] << "\t" << odd_sizes[1] << "\t" << odd_sizes[2]
             << "\t" << odd_sizes[3] << "\t" << odd_sizes[4];
  config_.message_buffer_allocated_size = odd_sizes[0];
  config_.protected_buffer_size = odd_sizes[1];
  config_.read_buffer_allocated_size = odd_sizes[2];
  config_.set_client_max_output_protected_frame_size(odd_sizes[3]);
  config_.set_server_max_output_protected_frame_size(odd_sizes[4]);
  config_.client_message = big_message_;
  config_.server_message = small_message_;
  DoRoundTrip();
}

}  // namespace