test: add GTest for panels/dock classes

tests/panels/dock/CMakeLists.txt

@@ -3,3 +3,4 @@
 # SPDX-License-Identifier: CC0-1.0
 
 add_subdirectory(taskmanager)
+add_subdirectory(docktests)

tests/panels/dock/docktests/CMakeLists.txt

@@ -0,0 +1,232 @@
+# SPDX-FileCopyrightText: 2026 UnionTech Software Technology Co., Ltd.
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+# Dock panels unit tests (taskmanager hoverpreviewproxymodel + globals,
+# frame dockiteminfo, appruntimeitem windowmanager, tray trayitempositionmanager).
+#
+# Independent OBJECT library `dock_test_objects` (only for non-Q_OBJECT source)
+# to avoid symbol clashes with frame_test_objects / applets_test_objects
+# (esp. Q_LOGGING_CATEGORY) and to avoid AUTOMOC moc_*.cpp duplicate-symbol
+# conflicts. Q_OBJECT/Q_GADGET production sources are compiled directly into
+# their own test executable (same pattern as the existing taskmanager tests),
+# because compiling a Q_OBJECT source in both an OBJECT library and a test
+# executable that links its objects would produce duplicate moc symbols.
+#
+# Existing tests/panels/dock/taskmanager tests are untouched.
+
+find_package(GTest REQUIRED)
+find_package(Qt${QT_VERSION_MAJOR} ${REQUIRED_QT_VERSION} REQUIRED COMPONENTS
+    Core
+    Gui
+    DBus
+    Test
+)
+
+include(GoogleTest)
+
+option(DOCK_BUILD_COVERAGE "Enable gcov coverage instrumentation for dock tests" OFF)
+
+# Common helper: coverage flags for a target (real sources only, not moc).
+function(dock_apply_coverage target)
+    if(DOCK_BUILD_COVERAGE)
+        target_compile_options(${target} PRIVATE -fprofile-arcs -ftest-coverage -O0 -g)
+        target_link_options(${target} PRIVATE -fprofile-arcs -ftest-coverage)
+    endif()
+endfunction()
+
+# Common helper: expose protected/private members as public in the test build.
+function(dock_expose_visibility target)
+    target_compile_definitions(${target} PRIVATE protected=public private=public)
+endfunction()
+
+# ---------------------------------------------------------------------------
+# Test source objects — only the non-Q_OBJECT source (dockiteminfo.cpp) is
+# shared via an OBJECT library. Q_OBJECT/Q_GADGET sources are compiled directly
+# into their own test executable to avoid AUTOMOC moc duplicate-symbol clashes.
+# ---------------------------------------------------------------------------
+add_library(dock_test_objects OBJECT
+    ${CMAKE_SOURCE_DIR}/panels/dock/frame/dockiteminfo.cpp
+)
+
+target_include_directories(dock_test_objects PRIVATE
+    ${CMAKE_SOURCE_DIR}/panels/dock/frame
+)
+
+target_link_libraries(dock_test_objects PRIVATE
+    Qt${QT_VERSION_MAJOR}::Core
+    Qt${QT_VERSION_MAJOR}::DBus
+)
+
+dock_expose_visibility(dock_test_objects)
+dock_apply_coverage(dock_test_objects)
+
+# ---------------------------------------------------------------------------
+# HoverPreviewProxyModel tests (taskmanager)
+# ---------------------------------------------------------------------------
+add_executable(hoverpreviewproxymodel_tests
+    ${CMAKE_SOURCE_DIR}/panels/dock/taskmanager/hoverpreviewproxymodel.h
+    ${CMAKE_SOURCE_DIR}/panels/dock/taskmanager/hoverpreviewproxymodel.cpp
+    hoverpreviewproxymodeltests.cpp
+    sourcemodel.h
+)
+
+target_include_directories(hoverpreviewproxymodel_tests PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}/stubs
+    ${CMAKE_SOURCE_DIR}/panels/dock/taskmanager
+)
+
+target_link_libraries(hoverpreviewproxymodel_tests PRIVATE
+    GTest::GTest
+    GTest::Main
+    Qt${QT_VERSION_MAJOR}::Core
+    Qt${QT_VERSION_MAJOR}::Gui
+    Qt${QT_VERSION_MAJOR}::Test
+)
+
+dock_expose_visibility(hoverpreviewproxymodel_tests)
+dock_apply_coverage(hoverpreviewproxymodel_tests)
+gtest_discover_tests(hoverpreviewproxymodel_tests)
+
+# ---------------------------------------------------------------------------
+# globals.h inline function tests (escapeToObjectPath / unescapeFromObjectPath)
+# ---------------------------------------------------------------------------
+add_executable(globalstests
+    globalstests.cpp
+)
+
+target_include_directories(globalstests PRIVATE
+    ${CMAKE_SOURCE_DIR}/panels/dock/taskmanager
+)
+
+target_link_libraries(globalstests PRIVATE
+    GTest::GTest
+    GTest::Main
+    Qt${QT_VERSION_MAJOR}::Core
+    Qt${QT_VERSION_MAJOR}::Test
+)
+
+dock_apply_coverage(globalstests)
+gtest_discover_tests(globalstests)
+
+# ---------------------------------------------------------------------------
+# DockItemInfo tests (frame) — uses the shared OBJECT library.
+# ---------------------------------------------------------------------------
+add_executable(dockiteminfo_tests
+    dockiteminfotests.cpp
+    $<TARGET_OBJECTS:dock_test_objects>
+)
+
+target_include_directories(dockiteminfo_tests PRIVATE
+    ${CMAKE_SOURCE_DIR}/panels/dock/frame
+)
+
+target_link_libraries(dockiteminfo_tests PRIVATE
+    GTest::GTest
+    GTest::Main
+    Qt${QT_VERSION_MAJOR}::Core
+    Qt${QT_VERSION_MAJOR}::DBus
+    Qt${QT_VERSION_MAJOR}::Test
+)
+
+dock_expose_visibility(dockiteminfo_tests)
+dock_apply_coverage(dockiteminfo_tests)
+gtest_discover_tests(dockiteminfo_tests)
+
+# ---------------------------------------------------------------------------
+# WindowManager tests (appruntimeitem)
+# ---------------------------------------------------------------------------
+add_executable(windowmanager_tests
+    ${CMAKE_SOURCE_DIR}/panels/dock/appruntimeitem/windowmanager.h
+    ${CMAKE_SOURCE_DIR}/panels/dock/appruntimeitem/windowmanager.cpp
+    windowmanagertests.cpp
+)
+
+target_include_directories(windowmanager_tests PRIVATE
+    ${CMAKE_SOURCE_DIR}/panels/dock/appruntimeitem
+)
+
+target_link_libraries(windowmanager_tests PRIVATE
+    GTest::GTest
+    GTest::Main
+    Qt${QT_VERSION_MAJOR}::Core
+    Qt${QT_VERSION_MAJOR}::Gui
+    Qt${QT_VERSION_MAJOR}::Test
+)
+
+dock_expose_visibility(windowmanager_tests)
+dock_apply_coverage(windowmanager_tests)
+gtest_discover_tests(windowmanager_tests)
+
+# ---------------------------------------------------------------------------
+# TrayItemPositionManager tests (tray)
+# Qt6 Qml dev package is not installed, so a stub <QQmlEngine> header
+# (defining empty QML_ELEMENT/QML_SINGLETON macros and forward-declaring
+# QQmlEngine/QJSEngine) is placed first in the include path.
+# ---------------------------------------------------------------------------
+add_executable(trayitempositionmanager_tests
+    ${CMAKE_SOURCE_DIR}/panels/dock/tray/trayitempositionmanager.h
+    ${CMAKE_SOURCE_DIR}/panels/dock/tray/trayitempositionmanager.cpp
+    trayitempositionmanagertests.cpp
+)
+
+target_include_directories(trayitempositionmanager_tests PRIVATE
+    ${CMAKE_CURRENT_SOURCE_DIR}/stubs
+    ${CMAKE_SOURCE_DIR}/panels/dock/tray
+)
+
+target_link_libraries(trayitempositionmanager_tests PRIVATE
+    GTest::GTest
+    Qt${QT_VERSION_MAJOR}::Core
+    Qt${QT_VERSION_MAJOR}::Gui
+    Qt${QT_VERSION_MAJOR}::Test
+)
+
+dock_expose_visibility(trayitempositionmanager_tests)
+dock_apply_coverage(trayitempositionmanager_tests)
+gtest_discover_tests(trayitempositionmanager_tests)
+
+# ---------------------------------------------------------------------------
+# Coverage report target (output to build dir, generated code filtered out).
+# Generated moc/qrc/ui/qml code is not instrumented (AUTOMOC only runs on the
+# test executables; the non-Q_OBJECT OBJECT lib produces no moc), and lcov
+# filters any residual generated code as a fallback.
+# ---------------------------------------------------------------------------
+if(DOCK_BUILD_COVERAGE)
+    find_program(LCOV_BIN lcov)
+    find_program(GENHTML_BIN genhtml)
+    set(DOCK_COVERAGE_DIR ${CMAKE_BINARY_DIR}/coverage_report/dock)
+    set(DOCK_COVERAGE_INFO ${DOCK_COVERAGE_DIR}/dock_coverage.info)
+    set(DOCK_COVERAGE_FILTERED ${DOCK_COVERAGE_DIR}/dock_coverage_filtered.info)
+
+    add_custom_target(dock_coverage
+        COMMAND ${CMAKE_COMMAND} -E make_directory ${DOCK_COVERAGE_DIR}
+        COMMAND ${LCOV_BIN} --capture --directory ${CMAKE_BINARY_DIR}
+                --output-file ${DOCK_COVERAGE_INFO}
+                --rc lcov_branch_coverage=1
+        COMMAND ${LCOV_BIN} --remove ${DOCK_COVERAGE_INFO}
+                '*/moc_*.cpp' '*/moc_*.h'
+                '*/qrc_*.cpp' '*/qrc_*.h'
+                '*/ui_*.h'
+                '*/qml_*.h' '*/qmlcache_*.cpp'
+                '*/_autogen/*'
+                '*_json.h'
+                '*/3rdparty/*'
+                '*/generated/*'
+                '/usr/*'
+                '*/tests/*'
+                --output-file ${DOCK_COVERAGE_FILTERED}
+                --rc lcov_branch_coverage=1
+        COMMAND ${GENHTML_BIN} ${DOCK_COVERAGE_FILTERED}
+                --output-directory ${DOCK_COVERAGE_DIR}/html
+                --rc lcov_branch_coverage=1
+        DEPENDS
+            hoverpreviewproxymodel_tests
+            globalstests
+            dockiteminfo_tests
+            windowmanager_tests
+            trayitempositionmanager_tests
+        WORKING_DIRECTORY ${CMAKE_BINARY_DIR}
+        COMMENT "Generating dock coverage report in ${DOCK_COVERAGE_DIR}"
+    )
+endif()