[Server] Share one in-memory database interface across the server tests (#7862)

libcockatrice_server_dev/CMakeLists.txt

@@ -0,0 +1,12 @@
+set(HEADERS libcockatrice/server/dev/servatrice_in_memory_database_interface.h)
+
+add_library(
+  libcockatrice_server_dev STATIC ${HEADERS} libcockatrice/server/dev/servatrice_in_memory_database_interface.cpp
+)
+
+target_include_directories(libcockatrice_server_dev PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+
+target_link_libraries(libcockatrice_server_dev PUBLIC libcockatrice_network_server_remote)
+
+# Dev-only code: linked by the server tests and the servatrice-dev executable, never by the shipped
+# servatrice binary.

libcockatrice_server_dev/libcockatrice/server/dev/servatrice_in_memory_database_interface.cpp

@@ -0,0 +1,83 @@
+#include "libcockatrice/server/dev/servatrice_in_memory_database_interface.h"
+
+Servatrice_InMemoryDatabaseInterface::Servatrice_InMemoryDatabaseInterface(QObject *parent)
+    : Server_DatabaseInterface(parent)
+{
+}
+
+void Servatrice_InMemoryDatabaseInterface::addUser(const ServerInfo_User &user)
+{
+    users.insert(QString::fromStdString(user.name()), user);
+}
+
+void Servatrice_InMemoryDatabaseInterface::setAuthenticationResult(AuthenticationResult result)
+{
+    authenticationResult = result;
+}
+
+void Servatrice_InMemoryDatabaseInterface::setActiveUserCount(int count)
+{
+    activeUserCount = count;
+}
+
+const QList<Servatrice_InMemoryDatabaseInterface::LogEntry> &Servatrice_InMemoryDatabaseInterface::getLogEntries() const
+{
+    return logEntries;
+}
+
+AuthenticationResult Servatrice_InMemoryDatabaseInterface::checkUserPassword(Server_ProtocolHandler *,
+                                                                             const QString &,
+                                                                             const QString &,
+                                                                             const QString &,
+                                                                             QString &,
+                                                                             int &,
+                                                                             bool)
+{
+    return authenticationResult;
+}
+
+ServerInfo_User Servatrice_InMemoryDatabaseInterface::getUserData(const QString &name, bool withId)
+{
+    const auto it = users.constFind(name);
+    if (it == users.constEnd()) {
+        return {};
+    }
+
+    ServerInfo_User user = *it;
+    if (!withId) {
+        user.clear_id();
+    }
+    return user;
+}
+
+int Servatrice_InMemoryDatabaseInterface::getNextGameId()
+{
+    return nextGameId++;
+}
+
+int Servatrice_InMemoryDatabaseInterface::getNextReplayId()
+{
+    return nextReplayId++;
+}
+
+int Servatrice_InMemoryDatabaseInterface::getActiveUserCount(QString)
+{
+    return activeUserCount;
+}
+
+void Servatrice_InMemoryDatabaseInterface::logMessage(const int,
+                                                      const QString &senderName,
+                                                      const QString &,
+                                                      const QString &logMessage,
+                                                      LogMessage_TargetType targetType,
+                                                      const int targetId,
+                                                      const QString &targetName,
+                                                      const QString &channel)
+{
+    logEntries.append(LogEntry{.senderName = senderName,
+                               .message = logMessage,
+                               .targetType = targetType,
+                               .targetId = targetId,
+                               .targetName = targetName,
+                               .channel = channel});
+}

libcockatrice_server_dev/libcockatrice/server/dev/servatrice_in_memory_database_interface.h

@@ -0,0 +1,72 @@
+#ifndef SERVATRICE_IN_MEMORY_DATABASE_INTERFACE_H
+#define SERVATRICE_IN_MEMORY_DATABASE_INTERFACE_H
+
+#include "server_database_interface.h"
+
+#include <QHash>
+#include <QList>
+#include <QString>
+
+/**
+ * @brief In-memory Server_DatabaseInterface for tests and the dev server.
+ *
+ * Holds the little state a server needs to come up without a SQL database:
+ * registered users, the authentication outcome, the logged messages, the active
+ * user count and the game/replay id allocators. Calls that need persistence keep
+ * the interface's fail-closed defaults.
+ */
+class Servatrice_InMemoryDatabaseInterface : public Server_DatabaseInterface
+{
+public:
+    /** @brief One recorded logMessage() call. */
+    struct LogEntry
+    {
+        QString senderName;
+        QString message;
+        LogMessage_TargetType targetType;
+        int targetId;
+        QString targetName;
+        QString channel;
+    };
+
+    explicit Servatrice_InMemoryDatabaseInterface(QObject *parent = nullptr);
+
+    /** @brief Registers the user getUserData() returns; the id is only exposed to withId lookups. */
+    void addUser(const ServerInfo_User &user);
+    /** @brief Sets the result every checkUserPassword() call returns. */
+    void setAuthenticationResult(AuthenticationResult result);
+    /** @brief Sets the value getActiveUserCount() reports. */
+    void setActiveUserCount(int count);
+
+    const QList<LogEntry> &getLogEntries() const;
+
+    AuthenticationResult checkUserPassword(Server_ProtocolHandler * /* handler */,
+                                           const QString & /* user */,
+                                           const QString & /* password */,
+                                           const QString & /* clientId */,
+                                           QString & /* reasonStr */,
+                                           int & /* secondsLeft */,
+                                           bool /* passwordNeedsHash */) override;
+    ServerInfo_User getUserData(const QString &name, bool withId = false) override;
+    int getNextGameId() override;
+    int getNextReplayId() override;
+    int getActiveUserCount(QString connectionType = QString()) override;
+    void logMessage(const int /* senderId */,
+                    const QString &senderName,
+                    const QString & /* senderIp */,
+                    const QString &logMessage,
+                    LogMessage_TargetType targetType,
+                    const int targetId,
+                    const QString &targetName,
+                    const QString &channel = QString()) override;
+
+private:
+    QHash<QString, ServerInfo_User> users;
+    AuthenticationResult authenticationResult = NotLoggedIn;
+    int activeUserCount = 0;
+    int nextGameId = 1;
+    int nextReplayId = 1;
+    QList<LogEntry> logEntries;
+};
+
+#endif // SERVATRICE_IN_MEMORY_DATABASE_INTERFACE_H