[#2235] Refactored remaining hooks lib libloadtests

src/hooks/dhcp/flex_option/libloadtests/Makefile.am
src/hooks/dhcp/flex_option/libloadtests/load_unload_unittests.cc

src/hooks/dhcp/high_availability/libloadtests/Makefile.am
src/hooks/dhcp/high_availability/libloadtests/load_unload_unittests.cc

src/hooks/dhcp/run_script/libloadtests/Makefile.am
src/hooks/dhcp/run_script/libloadtests/load_unload_unittests.cc

src/lib/testutils/lib_load_test_fixture.h
    LibLoadTest added SetUp() and  validConfigParams()

src/hooks/dhcp/flex_option/libloadtests/Makefile.am

@@ -45,6 +45,7 @@ flex_option_unittests_LDADD += $(top_builddir)/src/lib/http/libkea-http.la
 flex_option_unittests_LDADD += $(top_builddir)/src/lib/dhcp/libkea-dhcp++.la
 flex_option_unittests_LDADD += $(top_builddir)/src/lib/hooks/libkea-hooks.la
 flex_option_unittests_LDADD += $(top_builddir)/src/lib/database/libkea-database.la
+flex_option_unittests_LDADD += $(top_builddir)/src/lib/testutils/libkea-testutils.la
 flex_option_unittests_LDADD += $(top_builddir)/src/lib/cc/libkea-cc.la
 flex_option_unittests_LDADD += $(top_builddir)/src/lib/asiolink/libkea-asiolink.la
 flex_option_unittests_LDADD += $(top_builddir)/src/lib/dns/libkea-dns++.la

src/hooks/dhcp/flex_option/libloadtests/load_unload_unittests.cc

@@ -16,6 +16,7 @@
 #include <dhcpsrv/cfgmgr.h>
 #include <hooks/hooks_manager.h>
 #include <process/daemon.h>
+#include <testutils/lib_load_test_fixture.h>
 
 #include <gtest/gtest.h>
 #include <errno.h>
@@ -30,124 +31,46 @@ using namespace isc::process;
 namespace {
 
 /// @brief Test fixture for testing loading and unloading the flex-option library
-class LibLoadTest : public ::testing::Test {
+class FlexOptionLibLoadTest : public isc::test::LibLoadTest {
 public:
     /// @brief Constructor
-    LibLoadTest() {
-        reset();
+    FlexOptionLibLoadTest() : LibLoadTest(FLEX_OPTION_LIB_SO) {
     }
 
     /// @brief Destructor
-    /// Removes files that may be left over from previous tests
-    virtual ~LibLoadTest() {
-        reset();
+    virtual ~FlexOptionLibLoadTest() {
     }
 
-    /// @brief Removes files that may be left over from previous tests
-    virtual void reset() {
-        HooksManager::unloadLibraries();
-    }
-
-    void addLib(const std::string& lib, ConstElementPtr params) {
-        libraries_.push_back(make_pair(lib, params));
-    }
-
-    bool loadLibs() {
-        return (HooksManager::loadLibraries(libraries_));
-    }
-
-    void unloadLibs() {
-        EXPECT_NO_THROW(HooksManager::unloadLibraries());
-    }
-
-    HookLibsCollection libraries_;
-};
-
-// Simple test that checks the library can be loaded in a DHCPv4 server.
-TEST_F(LibLoadTest, validLoadDhcp4) {
-
-    // Prepare parameters for the callout parameters library.
+    /// @brief Creates a set configuration parameters valid for the library.
+    virtual ElementPtr validConfigParams() {
         ElementPtr params = Element::createMap();
         ElementPtr options = Element::createList();
         params->set("options", options);
+        return (params);
+    }
+};
 
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET);
-    Daemon::setProcName("kea-dhcp4");
-
-    addLib(FLEX_OPTION_LIB_SO, params);
-    EXPECT_TRUE(loadLibs());
+// Simple V4 test that checks the library can be loaded and unloaded several times.
+TEST_F(FlexOptionLibLoadTest, validLoadDhcp4) {
+    validDaemonTest("kea-dhcp4", AF_INET, valid_params_);
 }
 
 // Simple test that checks the library can be loaded in a DHCPv6 server.
-TEST_F(LibLoadTest, validLoadDhcp6) {
-
-    // Prepare parameters for the callout parameters library.
-    ElementPtr params = Element::createMap();
-    ElementPtr options = Element::createList();
-    params->set("options", options);
-
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET6);
-    Daemon::setProcName("kea-dhcp6");
-
-    addLib(FLEX_OPTION_LIB_SO, params);
-    EXPECT_TRUE(loadLibs());
+TEST_F(FlexOptionLibLoadTest, validLoadDhcp6) {
+    validDaemonTest("kea-dhcp6", AF_INET6, valid_params_);
 }
 
-// Simple test that checks the library can be loaded in a DHCPv4 server
-// only if it is set for IPv4.
-TEST_F(LibLoadTest, invalidLoadDhcp4) {
+// Simple test that checks the library cannot by loaded by invalid daemons.
+TEST_F(FlexOptionLibLoadTest, invalidDaemonLoad) {
+    // V4 is invalid when family is AF_INET6
+    invalidDaemonTest("kea-dhcp4", AF_INET6, valid_params_);
 
-    // Prepare parameters for the callout parameters library.
-    ElementPtr params = Element::createMap();
-    ElementPtr options = Element::createList();
-    params->set("options", options);
+    // V6 is invalid when family is AF_INET
+    invalidDaemonTest("kea-dhcp6", AF_INET, valid_params_);
 
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET6);
-    Daemon::setProcName("kea-dhcp4");
-
-    addLib(FLEX_OPTION_LIB_SO, params);
-    EXPECT_FALSE(loadLibs());
-}
-
-// Simple test that checks the library can be loaded in a DHCPv6 server
-// only if it is set for IPv6.
-TEST_F(LibLoadTest, invalidLoadDhcp6) {
-
-    // Prepare parameters for the callout parameters library.
-    ElementPtr params = Element::createMap();
-    ElementPtr options = Element::createList();
-    params->set("options", options);
-
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET);
-    Daemon::setProcName("kea-dhcp6");
-
-    addLib(FLEX_OPTION_LIB_SO, params);
-    EXPECT_FALSE(loadLibs());
-}
-
-// Simple test that checks the library can be loaded and unloaded several times.
-TEST_F(LibLoadTest, validLoad) {
-
-    // Prepare parameters for the callout parameters library.
-    ElementPtr params = Element::createMap();
-    ElementPtr options = Element::createList();
-    params->set("options", options);
-
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET);
-    Daemon::setProcName("kea-dhcp4");
-
-    addLib(FLEX_OPTION_LIB_SO, params);
-
-    EXPECT_TRUE(loadLibs());
-    unloadLibs();
-
-    EXPECT_TRUE(loadLibs());
-    unloadLibs();
+    invalidDaemonTest("kea-ctrl-agent", AF_INET, valid_params_);
+    invalidDaemonTest("kea-dhcp-ddns", AF_INET, valid_params_);
+    invalidDaemonTest("bogus", AF_INET, valid_params_);
 }
 
 } // end of anonymous namespace

src/hooks/dhcp/high_availability/libloadtests/Makefile.am

@@ -45,6 +45,7 @@ ha_unittests_LDADD += $(top_builddir)/src/lib/http/libkea-http.la
 ha_unittests_LDADD += $(top_builddir)/src/lib/dhcp/libkea-dhcp++.la
 ha_unittests_LDADD += $(top_builddir)/src/lib/hooks/libkea-hooks.la
 ha_unittests_LDADD += $(top_builddir)/src/lib/database/libkea-database.la
+ha_unittests_LDADD += $(top_builddir)/src/lib/testutils/libkea-testutils.la
 ha_unittests_LDADD += $(top_builddir)/src/lib/cc/libkea-cc.la
 ha_unittests_LDADD += $(top_builddir)/src/lib/asiolink/libkea-asiolink.la
 ha_unittests_LDADD += $(top_builddir)/src/lib/dns/libkea-dns++.la

src/hooks/dhcp/high_availability/libloadtests/load_unload_unittests.cc

@@ -1,4 +1,4 @@
-// Copyright (C) 2019 Internet Systems Consortium, Inc. ("ISC")
+// Copyright (C) 2019-2022 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
@@ -16,6 +16,7 @@
 #include <dhcpsrv/cfgmgr.h>
 #include <hooks/hooks_manager.h>
 #include <process/daemon.h>
+#include <testutils/lib_load_test_fixture.h>
 
 #include <gtest/gtest.h>
 #include <errno.h>
@@ -30,49 +31,18 @@ using namespace isc::process;
 namespace {
 
 /// @brief Test fixture for testing loading and unloading the HA library
-class LibLoadTest : public ::testing::Test {
+class HALibLoadTest : public isc::test::LibLoadTest {
 public:
     /// @brief Constructor
-    LibLoadTest() {
-        reset();
+    HALibLoadTest() : LibLoadTest(LIBDHCP_HA_SO) {
     }
 
     /// @brief Destructor
-    /// Removes files that may be left over from previous tests
-    virtual ~LibLoadTest() {
-        reset();
+    virtual ~HALibLoadTest() {
     }
 
-    /// @brief Removes files that may be left over from previous tests
-    virtual void reset() {
-        HooksManager::unloadLibraries();
-    }
-
-    /// @brief Adds library/parameters to list of libraries to be loaded
-    void addLib(const std::string& lib, ConstElementPtr params) {
-        libraries_.push_back(make_pair(lib, params));
-    }
-
-    /// @brief Load all specified libraries.
-    ///
-    /// The libraries are stored in libraries_
-    bool loadLibs() {
-        return (HooksManager::loadLibraries(libraries_));
-    }
-
-    /// @brief Unloads all libraries.
-    void unloadLibs() {
-        EXPECT_NO_THROW(HooksManager::unloadLibraries());
-    }
-
-    /// @brief Return HA configuration with three servers in JSON format.
-    ConstElementPtr createValidJsonConfiguration() const;
-
-    HookLibsCollection libraries_;
-};
-
-ConstElementPtr
-LibLoadTest::createValidJsonConfiguration() const {
+    /// @brief Creates valid HA configuration with three servers.
+    virtual ElementPtr validConfigParams() {
         std::string config_text =
             "["
             "     {"
@@ -106,111 +76,34 @@ LibLoadTest::createValidJsonConfiguration() const {
             "     }"
             "]";
 
-    return (Element::fromJSON(config_text));
-}
-
-// Simple test that checks the library can be loaded in a DHCPv4 server.
-TEST_F(LibLoadTest, validLoadDhcp4) {
         // Prepare parameters,
         ElementPtr params = Element::createMap();
-    params->set("high-availability", createValidJsonConfiguration());
+        params->set("high-availability",  Element::fromJSON(config_text));
+        return (params);
+    }
+};
 
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET);
-    Daemon::setProcName("kea-dhcp4");
-
-    addLib(LIBDHCP_HA_SO, params);
-    EXPECT_TRUE(loadLibs());
+// Simple V4 test that checks the library can be loaded and unloaded several times.
+TEST_F(HALibLoadTest, validLoadDhcp4) {
+    validDaemonTest("kea-dhcp4", AF_INET, valid_params_);
 }
 
 // Simple test that checks the library can be loaded in a DHCPv6 server.
-TEST_F(LibLoadTest, validLoadDhcp6) {
-    // Prepare parameters,
-    ElementPtr params = Element::createMap();
-    params->set("high-availability", createValidJsonConfiguration());
-
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET6);
-    Daemon::setProcName("kea-dhcp6");
-
-    addLib(LIBDHCP_HA_SO, params);
-    EXPECT_TRUE(loadLibs());
+TEST_F(HALibLoadTest, validLoadDhcp6) {
+    validDaemonTest("kea-dhcp6", AF_INET6, valid_params_);
 }
 
-// Simple test that checks the library can be loaded in a DHCPv4 server
-// only if it is set for IPv4.
-TEST_F(LibLoadTest, invalidLoadDhcp4) {
-    // Prepare parameters,
-    ElementPtr params = Element::createMap();
-    params->set("high-availability", createValidJsonConfiguration());
+// Simple test that checks the library cannot by loaded by invalid daemons.
+TEST_F(HALibLoadTest, invalidDaemonLoad) {
+    // V4 is invalid when family is AF_INET6
+    invalidDaemonTest("kea-dhcp4", AF_INET6, valid_params_);
 
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET);
-    Daemon::setProcName("kea-dhcp6");
+    // V6 is invalid when family is AF_INET
+    invalidDaemonTest("kea-dhcp6", AF_INET, valid_params_);
 
-    addLib(LIBDHCP_HA_SO, params);
-
-    // The process name must be kea-dhcp4 so load shall fail.
-    EXPECT_FALSE(loadLibs());
-}
-
-// Simple test that checks the library can be loaded in a DHCPv6 server
-// only if it is set for IPv6.
-TEST_F(LibLoadTest, invalidLoadDhcp6) {
-    // Prepare parameters,
-    ElementPtr params = Element::createMap();
-    params->set("high-availability", createValidJsonConfiguration());
-
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET6);
-    Daemon::setProcName("kea-dhcp4");
-
-    addLib(LIBDHCP_HA_SO, params);
-
-    // The process name must be kea-dhcp6 so load shall fail.
-    EXPECT_FALSE(loadLibs());
-}
-
-// Simple test that checks the library can be loaded and unloaded several times
-// in a DHCPv4 server.
-TEST_F(LibLoadTest, validLoadsDhcp4) {
-
-    // Prepare parameters,
-    ElementPtr params = Element::createMap();
-    params->set("high-availability", createValidJsonConfiguration());
-
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET);
-    Daemon::setProcName("kea-dhcp4");
-
-    addLib(LIBDHCP_HA_SO, params);
-
-    EXPECT_TRUE(loadLibs());
-    unloadLibs();
-
-    EXPECT_TRUE(loadLibs());
-    unloadLibs();
-}
-
-// Simple test that checks the library can be loaded and unloaded several times
-// in a DHCPv6 server.
-TEST_F(LibLoadTest, validLoadsDhcp6) {
-
-    // Prepare parameters,
-    ElementPtr params = Element::createMap();
-    params->set("high-availability", createValidJsonConfiguration());
-
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET6);
-    Daemon::setProcName("kea-dhcp6");
-
-    addLib(LIBDHCP_HA_SO, params);
-
-    EXPECT_TRUE(loadLibs());
-    unloadLibs();
-
-    EXPECT_TRUE(loadLibs());
-    unloadLibs();
+    invalidDaemonTest("kea-ctrl-agent", AF_INET, valid_params_);
+    invalidDaemonTest("kea-dhcp-ddns", AF_INET, valid_params_);
+    invalidDaemonTest("bogus", AF_INET, valid_params_);
 }
 
 } // end of anonymous namespace

src/hooks/dhcp/run_script/libloadtests/Makefile.am

@@ -45,6 +45,7 @@ run_script_unittests_LDADD += $(top_builddir)/src/lib/http/libkea-http.la
 run_script_unittests_LDADD += $(top_builddir)/src/lib/dhcp/libkea-dhcp++.la
 run_script_unittests_LDADD += $(top_builddir)/src/lib/hooks/libkea-hooks.la
 run_script_unittests_LDADD += $(top_builddir)/src/lib/database/libkea-database.la
+run_script_unittests_LDADD += $(top_builddir)/src/lib/testutils/libkea-testutils.la
 run_script_unittests_LDADD += $(top_builddir)/src/lib/cc/libkea-cc.la
 run_script_unittests_LDADD += $(top_builddir)/src/lib/asiolink/libkea-asiolink.la
 run_script_unittests_LDADD += $(top_builddir)/src/lib/dns/libkea-dns++.la

src/hooks/dhcp/run_script/libloadtests/load_unload_unittests.cc

@@ -16,6 +16,7 @@
 #include <dhcpsrv/cfgmgr.h>
 #include <hooks/hooks_manager.h>
 #include <process/daemon.h>
+#include <testutils/lib_load_test_fixture.h>
 
 #include <gtest/gtest.h>
 #include <errno.h>
@@ -30,174 +31,73 @@ using namespace std;
 namespace {
 
 /// @brief Test fixture for testing loading and unloading the RunScript library.
-class LibLoadTest : public ::testing::Test {
+class RunScriptLibLoadTest : public isc::test::LibLoadTest {
 public:
     /// @brief Constructor
-    LibLoadTest() {
-        reset();
+    RunScriptLibLoadTest() : LibLoadTest(LIBRUN_SCRIPT_SO) {
     }
 
     /// @brief Destructor
-    ///
-    /// Removes files that may be left over from previous tests
-    virtual ~LibLoadTest() {
-        reset();
+    virtual ~RunScriptLibLoadTest() {
     }
 
-    /// @brief Removes files that may be left over from previous tests
-    virtual void reset() {
-        HooksManager::unloadLibraries();
-    }
-
-    /// @brief Add library to the collection of tested libraries.
-    ///
-    /// @param lib The name of the lib added.
-    /// @param params The parameters of the library.
-    void addLib(const string& lib, ConstElementPtr params) {
-        libraries_.push_back(make_pair(lib, params));
-    }
-
-    /// @brief Load libraries.
-    ///
-    /// @return True if loading succeeded, false otherwise.
-    bool loadLibs() {
-        return (HooksManager::loadLibraries(libraries_));
-    }
-
-    /// @brief Unload libraries.
-    ///
-    /// @return True if unloading succeeded, false otherwise.
-    bool unloadLibs() {
-        return (HooksManager::unloadLibraries());
-    }
-
-    /// @brief The collection of libraries to be loaded.
-    HookLibsCollection libraries_;
-};
-
-// Simple test that checks the library can be loaded in a DHCPv4 server.
-TEST_F(LibLoadTest, validLoadDhcp4) {
-    // Prepare parameters for the callout parameters library.
+    /// @brief Creates a set configuration parameters valid for the library.
+    virtual ElementPtr validConfigParams() {
         ElementPtr params = Element::createMap();
         ElementPtr name = Element::create(RUN_SCRIPT_TEST_SH);
         params->set("name", name);
         ElementPtr sync = Element::create(false);
         params->set("sync", sync);
+        return (params);
+    }
+};
 
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET);
-    Daemon::setProcName("kea-dhcp4");
-
-    addLib(LIBRUN_SCRIPT_SO, params);
-    EXPECT_TRUE(loadLibs());
+// Simple V4 test that checks the library can be loaded and unloaded several times.
+TEST_F(RunScriptLibLoadTest, validLoadDhcp4) {
+    validDaemonTest("kea-dhcp4", AF_INET, valid_params_);
 }
 
 // Simple test that checks the library can be loaded in a DHCPv6 server.
-TEST_F(LibLoadTest, validLoadDhcp6) {
-    // Prepare parameters for the callout parameters library.
-    ElementPtr params = Element::createMap();
-    ElementPtr name = Element::create(RUN_SCRIPT_TEST_SH);
-    params->set("name", name);
-    ElementPtr sync = Element::create(false);
-    params->set("sync", sync);
-
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET6);
-    Daemon::setProcName("kea-dhcp6");
-
-    addLib(LIBRUN_SCRIPT_SO, params);
-    EXPECT_TRUE(loadLibs());
+TEST_F(RunScriptLibLoadTest, validLoadDhcp6) {
+    validDaemonTest("kea-dhcp6", AF_INET6, valid_params_);
 }
 
-// Simple test that checks the library can be loaded in a DHCPv4 server
-// only if it is set for IPv4.
-TEST_F(LibLoadTest, invalidLoadDhcp4) {
-    // Prepare parameters for the callout parameters library.
-    ElementPtr params = Element::createMap();
-    ElementPtr name = Element::create(RUN_SCRIPT_TEST_SH);
-    params->set("name", name);
-    ElementPtr sync = Element::create(false);
-    params->set("sync", sync);
+// Simple test that checks the library cannot by loaded by invalid daemons.
+TEST_F(RunScriptLibLoadTest, invalidDaemonLoad) {
+    // V4 is invalid when family is AF_INET6
+    invalidDaemonTest("kea-dhcp4", AF_INET6, valid_params_);
 
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET6);
-    Daemon::setProcName("kea-dhcp4");
+    // V6 is invalid when family is AF_INET
+    invalidDaemonTest("kea-dhcp6", AF_INET, valid_params_);
 
-    addLib(LIBRUN_SCRIPT_SO, params);
-    EXPECT_FALSE(loadLibs());
-}
-
-// Simple test that checks the library can be loaded in a DHCPv6 server
-// only if it is set for IPv6.
-TEST_F(LibLoadTest, invalidLoadDhcp6) {
-    // Prepare parameters for the callout parameters library.
-    ElementPtr params = Element::createMap();
-    ElementPtr name = Element::create(RUN_SCRIPT_TEST_SH);
-    params->set("name", name);
-    ElementPtr sync = Element::create(false);
-    params->set("sync", sync);
-
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET);
-    Daemon::setProcName("kea-dhcp6");
-
-    addLib(LIBRUN_SCRIPT_SO, params);
-    EXPECT_FALSE(loadLibs());
-}
-
-// Simple test that checks the library can be loaded and unloaded several times.
-TEST_F(LibLoadTest, validLoad) {
-    // Prepare parameters for the callout parameters library.
-    ElementPtr params = Element::createMap();
-    ElementPtr name = Element::create(RUN_SCRIPT_TEST_SH);
-    params->set("name", name);
-    ElementPtr sync = Element::create(false);
-    params->set("sync", sync);
-
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET);
-    Daemon::setProcName("kea-dhcp4");
-
-    addLib(LIBRUN_SCRIPT_SO, params);
-
-    EXPECT_TRUE(loadLibs());
-    EXPECT_NO_THROW(unloadLibs());
-
-    EXPECT_TRUE(loadLibs());
-    EXPECT_NO_THROW(unloadLibs());
+    invalidDaemonTest("kea-ctrl-agent", AF_INET, valid_params_);
+    invalidDaemonTest("kea-dhcp-ddns", AF_INET, valid_params_);
+    invalidDaemonTest("bogus", AF_INET, valid_params_);
 }
 
 // Simple test that checks the library can not be loaded if using wrong
 // parameters.
-TEST_F(LibLoadTest, invalidLoad) {
-    // Prepare parameters for the callout parameters library.
+TEST_F(RunScriptLibLoadTest, invalidParametersLoad) {
+    // The name parameter should be mandatory.
     ElementPtr params = Element::createMap();
-
-    // Set family and proc name.
-    CfgMgr::instance().setFamily(AF_INET);
-    Daemon::setProcName("kea-dhcp4");
-
-    addLib(LIBRUN_SCRIPT_SO, params);
-
-    // The name parameter is mandatory.
-    EXPECT_FALSE(loadLibs());
+    invalidDaemonTest("kea-dhcp4", AF_INET, params);
 
     // Use invalid name parameter type.
     ElementPtr name = Element::create(false);
     params->set("name", name);
-    EXPECT_FALSE(loadLibs());
+    invalidDaemonTest("kea-dhcp4", AF_INET, params);
 
     // Use invalid name parameter.
     name = Element::create("script_name.sh");
     params->set("name", name);
-    EXPECT_FALSE(loadLibs());
+    invalidDaemonTest("kea-dhcp4", AF_INET, params);
 
     // Use valid name parameter type but use invalid sync parameter type.
     name = Element::create(RUN_SCRIPT_TEST_SH);
     params->set("name", name);
     ElementPtr sync = Element::create("data");
     params->set("sync", sync);
-    EXPECT_FALSE(loadLibs());
+    invalidDaemonTest("kea-dhcp4", AF_INET, params);
 }
 
 } // end of anonymous namespace

src/lib/testutils/lib_load_test_fixture.h

@@ -27,6 +27,10 @@ public:
         unloadLibraries();
     }
 
+    virtual void SetUp() {
+        valid_params_ = validConfigParams();
+    }
+
     /// @brief Destructor. Unloads any previously loaded libraries.
     ~LibLoadTest() {
         unloadLibraries();
@@ -91,11 +95,19 @@ public:
                            uint16_t family = AF_INET,
                            const isc::data::ElementPtr& params = isc::data::ElementPtr());
 
+    /// @brief Creates a set configuration parameters valid for the library.
+    virtual isc::data::ElementPtr validConfigParams() {
+        return (isc::data::Element::createMap());
+    }
+
     /// @brief full pathname to the library so file under test;
     std::string lib_so_name_;
 
     /// @brief Libraries
     isc::hooks::HookLibsCollection libraries_;
+
+    /// @brief Contains a set configuration parameters valid for the library.
+    isc::data::ElementPtr valid_params_;
 };
 
 }  // namespace test