Autogen: Tests: Add Q_PLUGIN_METADATA test

Tests/QtAutogen/CMakeLists.txt

@@ -86,7 +86,8 @@ try_compile(RCC_DEPENDS
   "${CMAKE_CURRENT_BINARY_DIR}/autorcc_depends"
   "${CMAKE_CURRENT_SOURCE_DIR}/autorcc_depends"
   autorcc_depends
-  CMAKE_FLAGS "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}" "-DQT_TEST_VERSION=${QT_TEST_VERSION}"
+  CMAKE_FLAGS "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}"
+              "-DQT_TEST_VERSION=${QT_TEST_VERSION}"
               "-DCMAKE_PREFIX_PATH=${Qt_PREFIX_DIR}"
   OUTPUT_VARIABLE output
 )
@@ -121,7 +122,8 @@ try_compile(MOC_RERUN
   "${CMAKE_CURRENT_BINARY_DIR}/automoc_rerun"
   "${CMAKE_CURRENT_SOURCE_DIR}/automoc_rerun"
   automoc_rerun
-  CMAKE_FLAGS "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}" "-DQT_TEST_VERSION=${QT_TEST_VERSION}"
+  CMAKE_FLAGS "-DQT_QMAKE_EXECUTABLE:FILEPATH=${QT_QMAKE_EXECUTABLE}"
+              "-DQT_TEST_VERSION=${QT_TEST_VERSION}"
               "-DCMAKE_PREFIX_PATH=${Qt_PREFIX_DIR}"
   OUTPUT_VARIABLE output
 )
@@ -214,6 +216,61 @@ add_subdirectory(mocIncludeStrict)
 # Tests various include moc patterns
 add_subdirectory(mocIncludeRelaxed)
 
+# -- Test
+# Tests Q_PLUGIN_METADATA json file change detection
+if (NOT QT_TEST_VERSION STREQUAL 4)
+  try_compile(MOC_PLUGIN
+    "${CMAKE_CURRENT_BINARY_DIR}/mocPlugin"
+    "${CMAKE_CURRENT_SOURCE_DIR}/mocPlugin"
+    mocPlugin
+    CMAKE_FLAGS "-DQT_TEST_VERSION=${QT_TEST_VERSION}"
+                "-DCMAKE_PREFIX_PATH=${Qt_PREFIX_DIR}"
+    OUTPUT_VARIABLE output
+  )
+  if (NOT MOC_PLUGIN)
+    message(SEND_ERROR "Initial build of mocPlugin failed. Output: ${output}")
+  endif()
+
+  set(timeformat "%Y%j%H%M%S")
+  set(mocPluginBinDir "${CMAKE_CURRENT_BINARY_DIR}/mocPlugin")
+  find_library(style_a_file "PluginStyleA" "${mocPluginBinDir}")
+  find_library(style_b_file "PluginStyleB" "${mocPluginBinDir}")
+  find_library(style_c_file "PluginStyleC" "${mocPluginBinDir}")
+  find_library(style_d_file "PluginStyleD" "${mocPluginBinDir}")
+
+  file(TIMESTAMP "${style_a_file}" style_a_before "${timeformat}")
+  file(TIMESTAMP "${style_b_file}" style_b_before "${timeformat}")
+  file(TIMESTAMP "${style_c_file}" style_c_before "${timeformat}")
+  file(TIMESTAMP "${style_d_file}" style_d_before "${timeformat}")
+
+  # Ensure that the timestamp will change and touch the json files
+  execute_process(COMMAND "${CMAKE_COMMAND}" -E sleep 1)
+  execute_process(COMMAND "${CMAKE_COMMAND}" -E touch "${mocPluginBinDir}/jsonFiles/StyleC.json")
+  execute_process(COMMAND "${CMAKE_COMMAND}" -E touch "${mocPluginBinDir}/jsonFiles/sub/StyleD.json")
+
+  execute_process(COMMAND "${CMAKE_COMMAND}" --build .
+    WORKING_DIRECTORY "${CMAKE_CURRENT_BINARY_DIR}/mocPlugin"
+  )
+
+  file(TIMESTAMP "${style_a_file}" style_a_after "${timeformat}")
+  file(TIMESTAMP "${style_b_file}" style_b_after "${timeformat}")
+  file(TIMESTAMP "${style_c_file}" style_c_after "${timeformat}")
+  file(TIMESTAMP "${style_d_file}" style_d_after "${timeformat}")
+
+  if (style_a_after GREATER style_a_before)
+    message(SEND_ERROR "file (${style_a_file}) should not have changed!")
+  endif()
+  if (style_b_after GREATER style_b_before)
+    message(SEND_ERROR "file (${style_b_file}) should not have changed!")
+  endif()
+  if (NOT style_c_after GREATER style_c_before)
+    message(SEND_ERROR "file (${style_c_file}) should have changed!")
+  endif()
+  if (NOT style_d_after GREATER style_d_before)
+    message(SEND_ERROR "file (${style_d_file}) should have changed!")
+  endif()
+endif()
+
 # -- Test
 # Complex test case
 add_subdirectory(complex)

Tests/QtAutogen/mocPlugin/CMakeLists.txt

@@ -0,0 +1,25 @@
+cmake_minimum_required(VERSION 3.8)
+
+if (NOT QT_TEST_VERSION STREQUAL 5)
+  message(SEND_ERROR "Invalid Qt version specified.")
+endif()
+find_package(Qt5Widgets REQUIRED)
+
+if(Qt5_POSITION_INDEPENDENT_CODE AND CMAKE_CXX_COMPILE_OPTIONS_PIC)
+  add_definitions(${CMAKE_CXX_COMPILE_OPTIONS_PIC})
+endif()
+
+configure_file(jsonIn/StyleC.json jsonFiles/StyleC.json @ONLY)
+configure_file(jsonIn/StyleD.json jsonFiles/sub/StyleD.json @ONLY)
+
+# Enable automoc
+set(CMAKE_AUTOMOC TRUE)
+
+include_directories("${CMAKE_CURRENT_BINARY_DIR}/jsonFiles")
+link_libraries(Qt5::Widgets)
+
+add_library(PluginStyleA MODULE StyleA.cpp)
+add_library(PluginStyleB MODULE StyleB.cpp)
+add_library(PluginStyleC MODULE StyleC.cpp)
+add_library(PluginStyleD MODULE StyleD.cpp)
+add_library(PluginStyleE MODULE StyleE.cpp)

Tests/QtAutogen/mocPlugin/StyleA.cpp

@@ -0,0 +1,6 @@
+#include "StyleA.hpp"
+
+QStyle* StyleA::create(const QString& key)
+{
+  return 0;
+}

Tests/QtAutogen/mocPlugin/StyleA.hpp

@@ -0,0 +1,15 @@
+#ifndef STYLEA_HPP
+#define STYLEA_HPP
+
+#include <QStylePlugin>
+
+class StyleA : public QStylePlugin
+{
+  Q_OBJECT
+  // Json file in local directory
+  Q_PLUGIN_METADATA(IID "org.styles.A" FILE "StyleA.json")
+public:
+  QStyle* create(const QString& key);
+};
+
+#endif

Tests/QtAutogen/mocPlugin/StyleA.json

@@ -0,0 +1 @@
+{ "Keys": [ "Rocket", "Starbuster" ] }

Tests/QtAutogen/mocPlugin/StyleB.cpp

@@ -0,0 +1,6 @@
+#include "StyleB.hpp"
+
+QStyle* StyleB::create(const QString& key)
+{
+  return 0;
+}

Tests/QtAutogen/mocPlugin/StyleB.hpp

@@ -0,0 +1,15 @@
+#ifndef STYLEB_HPP
+#define STYLEB_HPP
+
+#include <QStylePlugin>
+
+class StyleB : public QStylePlugin
+{
+  Q_OBJECT
+  // Json file in local subdirectory
+  Q_PLUGIN_METADATA(IID "org.styles.B" FILE "jsonIn/StyleB.json")
+public:
+  QStyle* create(const QString& key);
+};
+
+#endif

Tests/QtAutogen/mocPlugin/StyleC.cpp

@@ -0,0 +1,6 @@
+#include "StyleC.hpp"
+
+QStyle* StyleC::create(const QString& key)
+{
+  return 0;
+}

Tests/QtAutogen/mocPlugin/StyleC.hpp

@@ -0,0 +1,15 @@
+#ifndef STYLEC_HPP
+#define STYLEC_HPP
+
+#include <QStylePlugin>
+
+class StyleC : public QStylePlugin
+{
+  Q_OBJECT
+  // Json file in global root directory
+  Q_PLUGIN_METADATA(IID "org.styles.C" FILE "StyleC.json")
+public:
+  QStyle* create(const QString& key);
+};
+
+#endif

Tests/QtAutogen/mocPlugin/StyleD.cpp

@@ -0,0 +1,17 @@
+#include "StyleD.hpp"
+
+class StyleD : public QStylePlugin
+{
+  Q_OBJECT
+  // Json file in global sub director
+  Q_PLUGIN_METADATA(IID "org.styles.D" FILE "sub/StyleD.json")
+public:
+  QStyle* create(const QString& key);
+};
+
+QStyle* StyleD::create(const QString& key)
+{
+  return 0;
+}
+
+#include "StyleD.moc"

Tests/QtAutogen/mocPlugin/StyleD.hpp

@@ -0,0 +1,8 @@
+#ifndef STYLED_HPP
+#define STYLED_HPP
+
+#include <QStylePlugin>
+
+class StyleD;
+
+#endif

Tests/QtAutogen/mocPlugin/StyleE.cpp

@@ -0,0 +1,6 @@
+#include "StyleE.hpp"
+
+QStyle* StyleE::create(const QString& key)
+{
+  return 0;
+}

Tests/QtAutogen/mocPlugin/StyleE.hpp

@@ -0,0 +1,15 @@
+#ifndef STYLEE_HPP
+#define STYLEE_HPP
+
+#include <QStylePlugin>
+
+class StyleE : public QStylePlugin
+{
+  Q_OBJECT
+  // No Json file
+  Q_PLUGIN_METADATA(IID "org.styles.E")
+public:
+  QStyle* create(const QString& key);
+};
+
+#endif

Tests/QtAutogen/mocPlugin/jsonIn/StyleB.json

@@ -0,0 +1 @@
+{ "Keys": [ "Rocket", "StarbusterB" ] }

Tests/QtAutogen/mocPlugin/jsonIn/StyleC.json

@@ -0,0 +1 @@
+{ "Keys": [ "Rocket", "StarbusterC" ] }

Tests/QtAutogen/mocPlugin/jsonIn/StyleD.json

@@ -0,0 +1 @@
+{ "Keys": [ "Rocket", "StarbusterD" ] }

Tests/QtAutogen/mocPlugin/main.cpp

@@ -0,0 +1,6 @@
+#include "StyleA.hpp"
+
+int main(int argv, char** args)
+{
+  return 0;
+}