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diff --git a/src/lib/testutils/lib_load_test_fixture.h b/src/lib/testutils/lib_load_test_fixture.h
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+// Copyright (C) 2022 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef ISC_TESTUTILS_LIB_LOAD_TEST_FIXTURE_H
+#define ISC_TESTUTILS_LIB_LOAD_TEST_FIXTURE_H
+
+#include <cc/data.h>
+
+#include <gtest/gtest.h>
+
+namespace isc {
+namespace test {
+
+/// @brief Test fixture for testing loading and unloading of hook libraries.
+struct LibLoadTest : ::testing::Test {
+    /// @brief Constructor. Unloads any previously loaded libraries.
+    LibLoadTest() {
+        unloadLibraries();
+    }
+
+    /// @brief Destructor. Unloads any previously loaded libraries.
+    ~LibLoadTest() {
+        unloadLibraries();
+    }
+
+    /// @brief Adds a library along with its parameters to the list of libraries to be loaded.
+    ///
+    /// @param library the path to the library to be loaded
+    /// @param parameters the library's parameters in Element format
+    void addLibrary(const std::string& library, isc::data::ConstElementPtr parameters) {
+        libraries_.push_back({library, parameters});
+    }
+
+    void clearLibraries() {
+        libraries_.clear();
+    }
+
+    /// @brief Load all libraries.
+    ///
+    /// @return true if all libraries loaded successfully, false if one or more
+    ///     libraries failed to load.
+    bool loadLibraries() {
+        bool result(false);
+        EXPECT_NO_THROW(result = isc::hooks::HooksManager::loadLibraries(libraries_));
+        return result;
+    }
+
+    /// @brief Unloads all libraries.
+    ///
+    /// @return true if all libraries unloaded successfully, false if they
+    ///     are still in memory.
+    bool unloadLibraries() {
+        bool result(false);
+        EXPECT_NO_THROW(result = isc::hooks::HooksManager::unloadLibraries());
+        return result;
+    }
+
+    /// @brief Libraries
+    isc::hooks::HookLibsCollection libraries_;
+};
+
+}  // namespace test
+}  // namespace isc
+
+#endif  // ISC_TESTUTILS_LIB_LOAD_TEST_FIXTURE_H