Add libsolv database test

libmamba/include/mamba/solver/libsolv/database.hpp

@@ -109,6 +109,10 @@ namespace mamba::solver::libsolv
 
         void remove_repo(RepoInfo repo);
 
+        [[nodiscard]] auto repo_count() const -> std::size_t;
+
+        [[nodiscard]] auto package_count() const -> std::size_t;
+
         template <typename Func>
         void for_each_package_in_repo(RepoInfo repo, Func&&) const;
 

libmamba/src/solver/libsolv/database.cpp

@@ -238,6 +238,16 @@ namespace mamba::solver::libsolv
         pool().remove_repo(repo.id(), /* reuse_ids= */ true);
     }
 
+    auto Database::repo_count() const -> std::size_t
+    {
+        return pool().repo_count();
+    }
+
+    auto Database::package_count() const -> std::size_t
+    {
+        return pool().solvable_count();
+    }
+
     auto Database::installed_repo() const -> std::optional<RepoInfo>
     {
         if (auto repo = pool().installed_repo())

libmamba/tests/CMakeLists.txt

@@ -51,6 +51,8 @@ set(
     src/solver/test_request.cpp
     src/solver/test_solution.cpp
     src/solver/test_problems_graph.cpp
+    # Solver libsolv implementation tests
+    src/solver/libsolv/test_database.cpp
     # Artifacts validation
     src/validation/test_tools.cpp
     src/validation/test_update_framework_v0_6.cpp
@@ -105,7 +107,16 @@ target_link_libraries(
 )
 
 # Copy data directory into binary dir to avoid modifications
-file(COPY "${CMAKE_CURRENT_SOURCE_DIR}/data" DESTINATION "${CMAKE_CURRENT_BINARY_DIR}")
+add_custom_target(
+    test_libmamba_data
+    COMMENT "Copying libmamba tests data"
+    COMMAND "${CMAKE_COMMAND}" -E remove_directory "${CMAKE_CURRENT_BINARY_DIR}/data"
+    COMMAND "${CMAKE_COMMAND}" -E make_directory "${CMAKE_CURRENT_BINARY_DIR}/data"
+    COMMAND
+        "${CMAKE_COMMAND}" -E copy_directory "${CMAKE_CURRENT_SOURCE_DIR}/data"
+        "${CMAKE_CURRENT_BINARY_DIR}/data"
+)
+add_dependencies(test_libmamba test_libmamba_data)
 
 target_compile_definitions(
     test_libmamba