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falk-werner_webfuse-provider/test/webfuse_provider/provider/test_client_protocol.cc
2020-06-21 21:18:43 +02:00

268 lines
7.9 KiB
C++

#include <gtest/gtest.h>
#include <gmock/gmock.h>
#include <webfuse_provider/client_protocol.h>
#include <webfuse_provider/client_config.h>
#include "webfuse_provider/test_util/ws_server.h"
#include "webfuse_provider/mocks/mock_provider_client.hpp"
#include "webfuse_provider/protocol_names.h"
#include "webfuse_provider/test_util/timeout_watcher.hpp"
#include <libwebsockets.h>
#include <cstring>
#include <thread>
#include <atomic>
using webfuse_test::WsServer;
using webfuse_test::MockProviderClient;
using webfuse_test::IProviderClient;
using webfuse_test::TimeoutWatcher;
using testing::_;
using testing::AtMost;
using testing::Invoke;
#define DEFAULT_TIMEOUT (std::chrono::milliseconds(5 * 1000))
namespace
{
class ClientProtocolFixture
{
ClientProtocolFixture(ClientProtocolFixture const &) = delete;
ClientProtocolFixture& operator=(ClientProtocolFixture const &) = delete;
public:
explicit ClientProtocolFixture(IProviderClient& client, bool enableAuthentication = false)
{
server = new WsServer(WFP_PROTOCOL_NAME_ADAPTER_SERVER);
config = wfp_client_config_create();
client.AttachTo(config, enableAuthentication);
protocol = wfp_client_protocol_create(config);
memset(protocols, 0, sizeof(struct lws_protocols) * 2);
wfp_client_protocol_init_lws(protocol, protocols);
memset(&info, 0, sizeof(struct lws_context_creation_info));
info.port = CONTEXT_PORT_NO_LISTEN;
info.protocols = protocols;
info.uid = -1;
info.gid = -1;
context = lws_create_context(&info);
}
~ClientProtocolFixture()
{
lws_context_destroy(context);
wfp_client_protocol_dispose(protocol);
wfp_client_config_dispose(config);
delete server;
}
void Connect()
{
TimeoutWatcher watcher(DEFAULT_TIMEOUT);
wfp_client_protocol_connect(protocol, context, server->GetUrl().c_str());
while (!server->IsConnected())
{
watcher.check();
lws_service(context, 0);
}
}
void Disconnect()
{
wfp_client_protocol_disconnect(protocol);
}
void SendToClient(json_t * request)
{
server->SendMessage(request);
}
json_t * ReceiveMessageFromClient()
{
TimeoutWatcher watcher(DEFAULT_TIMEOUT);
json_t * result = server->ReceiveMessage();
while (nullptr == result)
{
watcher.check();
lws_service(context, 0);
result = server->ReceiveMessage();
}
return result;
}
void AwaitAuthentication(
std::string const & expected_username,
std::string const & expected_password)
{
json_t * request = ReceiveMessageFromClient();
ASSERT_TRUE(json_is_object(request));
json_t * method = json_object_get(request, "method");
ASSERT_TRUE(json_is_string(method));
ASSERT_STREQ("authenticate", json_string_value(method));
json_t * id = json_object_get(request, "id");
ASSERT_TRUE(json_is_integer(id));
json_t * params = json_object_get(request, "params");
ASSERT_TRUE(json_is_array(params));
ASSERT_EQ(2, json_array_size(params));
json_t * type = json_array_get(params, 0);
ASSERT_TRUE(json_is_string(type));
ASSERT_STREQ("username", json_string_value(type));
json_t * credentials = json_array_get(params, 1);
ASSERT_TRUE(json_is_object(credentials));
json_t * username = json_object_get(credentials, "username");
ASSERT_TRUE(json_is_string(username));
ASSERT_STREQ(expected_username.c_str(), json_string_value(username));
json_t * password = json_object_get(credentials, "password");
ASSERT_TRUE(json_is_string(password));
ASSERT_STREQ(expected_password.c_str(), json_string_value(password));
json_t * response = json_object();
json_object_set_new(response, "result", json_object());
json_object_set(response, "id", id);
SendToClient(response);
json_decref(request);
}
void AwaitAddFilesystem(std::string& filesystemName)
{
json_t * addFilesystemRequest = ReceiveMessageFromClient();
ASSERT_NE(nullptr, addFilesystemRequest);
ASSERT_TRUE(json_is_object(addFilesystemRequest));
json_t * method = json_object_get(addFilesystemRequest, "method");
ASSERT_TRUE(json_is_string(method));
ASSERT_STREQ("add_filesystem", json_string_value(method));
json_t * params = json_object_get(addFilesystemRequest, "params");
ASSERT_TRUE(json_is_array(params));
ASSERT_EQ(1, json_array_size(params));
json_t * filesystem = json_array_get(params, 0);
ASSERT_TRUE(json_is_string(filesystem));
filesystemName = json_string_value(filesystem);
json_t * id = json_object_get(addFilesystemRequest, "id");
ASSERT_TRUE(json_is_integer(id));
json_t * response = json_object();
json_t * result = json_object();
json_object_set(result, "id", filesystem);
json_object_set_new(response, "result", result);
json_object_set(response, "id", id);
SendToClient(response);
json_decref(addFilesystemRequest);
}
private:
WsServer * server;
wfp_client_config * config;
wfp_client_protocol * protocol;
struct lws_context_creation_info info;
struct lws_protocols protocols[2];
struct lws_context * context;
};
void GetCredentials(wfp_credentials * credentials)
{
wfp_credentials_set_type(credentials, "username");
wfp_credentials_add(credentials, "username", "bob");
wfp_credentials_add(credentials, "password", "secret");
}
}
TEST(client_protocol, connect)
{
MockProviderClient provider;
ClientProtocolFixture fixture(provider);
EXPECT_CALL(provider, OnConnected()).Times(AtMost(1));
EXPECT_CALL(provider, OnDisconnected()).Times(1);
fixture.Connect();
if (HasFatalFailure()) { return; }
std::string filesystem;
fixture.AwaitAddFilesystem(filesystem);
if (HasFatalFailure()) { return; }
}
TEST(client_protocol, disconnect_without_connect)
{
MockProviderClient provider;
ClientProtocolFixture fixture(provider);
EXPECT_CALL(provider, OnDisconnected()).Times(1);
fixture.Disconnect();
}
TEST(client_protocol, connect_with_username_authentication)
{
MockProviderClient provider;
ClientProtocolFixture fixture(provider, true);
EXPECT_CALL(provider, OnConnected()).Times(AtMost(1));
EXPECT_CALL(provider, OnDisconnected()).Times(1);
EXPECT_CALL(provider, GetCredentials(_)).Times(1).WillOnce(Invoke(GetCredentials));
fixture.Connect();
if (HasFatalFailure()) { return; }
fixture.AwaitAuthentication("bob", "secret");
if (HasFatalFailure()) { return; }
std::string filesystem;
fixture.AwaitAddFilesystem(filesystem);
if (HasFatalFailure()) { return; }
}
TEST(client_protocol, getattr)
{
MockProviderClient provider;
ClientProtocolFixture fixture(provider);
EXPECT_CALL(provider, OnConnected()).Times(1);
EXPECT_CALL(provider, OnDisconnected()).Times(1);
EXPECT_CALL(provider, GetAttr(1, _)).Times(1);
fixture.Connect();
if (HasFatalFailure()) { return; }
std::string filesystem;
fixture.AwaitAddFilesystem(filesystem);
if (HasFatalFailure()) { return; }
json_t * params = json_array();
json_array_append_new(params, json_string(filesystem.c_str()));
json_array_append_new(params, json_integer(1));
json_t * request = json_object();
json_object_set_new(request, "method", json_string("getattr"));
json_object_set_new(request, "params", params);
json_object_set_new(request, "id", json_integer(42));
fixture.SendToClient(request);
json_t * response = fixture.ReceiveMessageFromClient();
ASSERT_TRUE(json_is_object(response));
json_decref(response);
fixture.Disconnect();
}