Autogen: Tests: Backport tests for _autogen target dependencies

Tests/QtAutogen/mocDepends/CMakeLists.txt

@@ -1,5 +1,5 @@
-cmake_minimum_required(VERSION 3.7)
-project(mocDepends)
+cmake_minimum_required(VERSION 3.9)
+project(mocDepends CXX)
 
 if (QT_TEST_VERSION STREQUAL 4)
   find_package(Qt4 REQUIRED)
@@ -14,34 +14,138 @@ else()
 endif()
 
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
+set(CSD ${CMAKE_CURRENT_SOURCE_DIR})
+set(CBD ${CMAKE_CURRENT_BINARY_DIR})
 
-# -- Test 1 using generated header
-# This tests the dependency of AUTOMOC of mocDepends1 to the generated object.hpp
-add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/object.hpp
-                   COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/invalid.hpp.in ${CMAKE_CURRENT_BINARY_DIR}/object.hpp
-                   COMMAND ${CMAKE_COMMAND} -E sleep 3
-                   COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/object.hpp.in ${CMAKE_CURRENT_BINARY_DIR}/object.hpp
-                   )
-
-add_executable(mocDepends1 test1.cpp
-  ${CMAKE_CURRENT_BINARY_DIR}/object.hpp
-)
-target_link_libraries(mocDepends1 ${QT_CORE_TARGET})
-set_target_properties(mocDepends1 PROPERTIES AUTOMOC TRUE)
-set_property(TARGET mocDepends1 PROPERTY __UNDOCUMENTED_AUTOGEN_GENERATED_FILES 1)
-
-# -- Test 2 using generated library
-# This tests the dependency of AUTOMOC of mocDepends2 to the
-# generated simpleLib.hpp which belongs to a linked library of mocDepends2
-add_custom_command(OUTPUT simpleLib.hpp simpleLib.cpp
-                   COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/invalid.hpp.in ${CMAKE_CURRENT_BINARY_DIR}/simpleLib.hpp
-                   COMMAND ${CMAKE_COMMAND} -E sleep 3
-                   COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/simpleLib.hpp.in ${CMAKE_CURRENT_BINARY_DIR}/simpleLib.hpp
-                   COMMAND ${CMAKE_COMMAND} -E copy ${CMAKE_CURRENT_SOURCE_DIR}/simpleLib.cpp.in ${CMAKE_CURRENT_BINARY_DIR}/simpleLib.cpp
-                   )
-add_library(SimpleLib STATIC simpleLib.hpp simpleLib.cpp)
-
-add_executable(mocDepends2 test2.cpp )
-target_link_libraries(mocDepends2 SimpleLib ${QT_CORE_TARGET})
-set_target_properties(mocDepends2 PROPERTIES AUTOMOC TRUE)
-set_property(TARGET mocDepends2 PROPERTY __UNDOCUMENTED_AUTOGEN_GENERATED_FILES 1)
+# -- Test dependency on header generated by a custom command
+#
+# The ORIGIN_autogen target must depend on the same *GENERATED* source files as
+# the ORIGIN target. This is a requirement to ensure that all files for the
+# ORIGIN target are generated before the ORIGIN_autogen target is built.
+#
+# This tests the dependency of the mocDepGenFile_autogen target of
+# mocDepGenFile to the source file GenFile.hpp, which is *GENERATED*
+# by a custom command.
+# If mocDepGenFile_autogen gets built *before* or in *parallel* to the
+# custom command, the build will fail. That's because GenFile.hpp,
+# which is required by mocDepGenFile_autogen, is only valid after the
+# custom command has been completed.
+#
+# The sleep seconds artificially increase the build time of the custom command
+# to simulate a slow file generation process that takes longer to run than
+# the build of the mocDepGenFile_autogen target.
+add_custom_command(
+  OUTPUT ${CBD}/GenFile.hpp
+  COMMAND ${CMAKE_COMMAND} -E copy ${CSD}/object_invalid.hpp.in ${CBD}/GenFile.hpp
+  COMMAND ${CMAKE_COMMAND} -E sleep 3
+  COMMAND ${CMAKE_COMMAND} -E copy ${CSD}/object_valid.hpp.in ${CBD}/GenFile.hpp)
+
+add_executable(mocDepGenFile testGenFile.cpp ${CBD}/GenFile.hpp)
+target_link_libraries(mocDepGenFile ${QT_CORE_TARGET})
+set_target_properties(mocDepGenFile PROPERTIES AUTOMOC TRUE)
+set_property(TARGET mocDepGenFile PROPERTY __UNDOCUMENTED_AUTOGEN_GENERATED_FILES 1)
+
+
+# -- Test dependency on header generating custom target
+#
+# The ORIGIN_autogen target must depend on the same user defined targets
+# as the ORIGIN target. This is a requirement to ensure that all files for the
+# ORIGIN target are generated before the ORIGIN_autogen target is built.
+#
+# This tests the dependency of the mocDepTarget_autogen target of
+# mocDepTarget to the utility target mocDepTargetUtil.
+# If mocDepTarget_autogen gets built *before* or in *parallel* to
+# mocDepTargetUtil, the build will fail. That's
+# because GenTarget.hpp, which is required by mocDepTarget_autogen,
+# is only valid after the mocDepTargetUtil build has been completed.
+#
+# The sleep seconds artificially increase the build time of mocDepTargetUtil
+# to simulate a slow utility target build that takes longer to run than
+# the build of the mocDepTarget_autogen target.
+add_custom_target(mocDepTargetUtil
+  BYPRODUCTS ${CBD}/GenTarget.hpp
+  COMMAND ${CMAKE_COMMAND} -E copy ${CSD}/object_invalid.hpp.in ${CBD}/GenTarget.hpp
+  COMMAND ${CMAKE_COMMAND} -E sleep 3
+  COMMAND ${CMAKE_COMMAND} -E copy ${CSD}/object_valid.hpp.in ${CBD}/GenTarget.hpp)
+
+add_executable(mocDepTarget testGenTarget.cpp)
+target_link_libraries(mocDepTarget ${QT_CORE_TARGET})
+set_target_properties(mocDepTarget PROPERTIES AUTOMOC TRUE)
+add_dependencies(mocDepTarget mocDepTargetUtil)
+
+
+# -- Test 3: Depend on generated linked library
+# The ORIGIN_autogen target must depend on the same linked libraries
+# as the ORIGIN target. This is a requirement to ensure that all files for the
+# ORIGIN target are generated before the ORIGIN_autogen target is built.
+#
+# This tests the dependency of the mocDepGenLib_autogen target of mocDepGenLib
+# to the user generated library SimpleLib, which mocDepGenLib links to.
+# If mocDepGenLib_autogen gets built *before* or in *parallel* to SimpleLib,
+# the build will fail. That's because simpleLib.hpp, which is required by
+# mocDepGenLib_autogen, is only valid after the SimpleLib build has been
+# completed.
+#
+# The sleep seconds artificially increase the build time of SimpleLib
+# to simulate a slow utility library build that takes longer to run than
+# the build of the mocDepGenLib_autogen target.
+add_custom_command(
+  OUTPUT ${CBD}/simpleLib.hpp ${CBD}/simpleLib.cpp
+  COMMAND ${CMAKE_COMMAND} -E copy ${CSD}/object_invalid.hpp.in ${CBD}/simpleLib.hpp
+  COMMAND ${CMAKE_COMMAND} -E sleep 3
+  COMMAND ${CMAKE_COMMAND} -E copy ${CSD}/simpleLib.hpp.in ${CBD}/simpleLib.hpp
+  COMMAND ${CMAKE_COMMAND} -E copy ${CSD}/simpleLib.cpp.in ${CBD}/simpleLib.cpp)
+add_library(SimpleLib STATIC ${CBD}/simpleLib.hpp ${CBD}/simpleLib.cpp)
+target_link_libraries(SimpleLib ${QT_CORE_TARGET})
+
+add_executable(mocDepGenLib testGenLib.cpp)
+target_link_libraries(mocDepGenLib SimpleLib ${QT_CORE_TARGET})
+set_target_properties(mocDepGenLib PROPERTIES AUTOMOC TRUE)
+
+
+# -- Test AUTOGEN_TARGET_DEPENDS with GENERATED file dependency
+#
+# This tests the dependency of the mocDepATDFile_autogen target of
+# mocDepATDTarget to the utility target mocDepATDFileUtil.
+# If mocDepATDFile_autogen gets built *before* or in *parallel* to
+# mocDepATDFileUtil, the build will fail. That's
+# because ATDFile.hpp, which is required by mocDepATDFile_autogen,
+# is only valid after the mocDepATDFileUtil build has been completed.
+#
+# The sleep seconds artificially increase the build time of
+# mocDepATDFileUtil to simulate a slow utility target build that takes
+# longer to run than the build of the mocDepATDFile_autogen target.
+add_custom_command(
+  OUTPUT ${CBD}/ATDFile.hpp
+  COMMAND ${CMAKE_COMMAND} -E copy ${CSD}/object_invalid.hpp.in ${CBD}/ATDFile.hpp
+  COMMAND ${CMAKE_COMMAND} -E sleep 3
+  COMMAND ${CMAKE_COMMAND} -E copy ${CSD}/object_valid.hpp.in ${CBD}/ATDFile.hpp)
+
+add_executable(mocDepATDFile testATDFile.cpp)
+target_link_libraries(mocDepATDFile ${QT_CORE_TARGET})
+set_target_properties(mocDepATDFile PROPERTIES AUTOMOC TRUE)
+set_target_properties(mocDepATDFile PROPERTIES AUTOGEN_TARGET_DEPENDS ${CBD}/ATDFile.hpp)
+
+
+# -- Test AUTOGEN_TARGET_DEPENDS with target dependency
+#
+# This tests the dependency of the mocDepATDTarget_autogen target of
+# mocDepATDTarget to the utility target mocDepATDTargetUtil.
+# If mocDepATDTarget_autogen gets built *before* or in *parallel* to
+# mocDepATDTargetUtil, the build will fail. That's
+# because ATDTarget.hpp, which is required by mocDepATDTarget_autogen,
+# is only valid after the mocDepATDTargetUtil build has been completed.
+#
+# The sleep seconds artificially increase the build time of
+# mocDepATDTargetUtil to simulate a slow utility target build that takes
+# longer to run than the build of the mocDepATDTarget_autogen target.
+add_custom_target(mocDepATDTargetUtil
+  BYPRODUCTS ${CBD}/ATDTarget.hpp
+  COMMAND ${CMAKE_COMMAND} -E copy ${CSD}/object_invalid.hpp.in ${CBD}/ATDTarget.hpp
+  COMMAND ${CMAKE_COMMAND} -E sleep 3
+  COMMAND ${CMAKE_COMMAND} -E copy ${CSD}/object_valid.hpp.in ${CBD}/ATDTarget.hpp)
+
+add_executable(mocDepATDTarget testATDTarget.cpp)
+target_link_libraries(mocDepATDTarget ${QT_CORE_TARGET})
+set_target_properties(mocDepATDTarget PROPERTIES AUTOMOC TRUE)
+set_target_properties(mocDepATDTarget PROPERTIES AUTOGEN_TARGET_DEPENDS mocDepATDTargetUtil)

Tests/QtAutogen/mocDepends/simpleLib.hpp.in

@@ -1,8 +1,11 @@
 #ifndef SIMPLE_LIB_H
 #define SIMPLE_LIB_H
 
-class SimpleLib
+#include <QObject>
+
+class SimpleLib : public QObject
 {
+  Q_OBJECT
 public:
   SimpleLib();
   ~SimpleLib();

Tests/QtAutogen/mocDepends/test2.cpp

@@ -1,10 +0,0 @@
-
-#include "test2.hpp"
-
-int main()
-{
-  SimpleLib obj;
-  LObject lobject;
-
-  return 0;
-}

Tests/QtAutogen/mocDepends/testATDFile.cpp

@@ -0,0 +1,9 @@
+
+#include "ATDFile.hpp"
+#include "moc_ATDFile.cpp"
+
+int main()
+{
+  Object obj;
+  return 0;
+}

Tests/QtAutogen/mocDepends/testATDTarget.cpp

@@ -0,0 +1,9 @@
+
+#include "ATDTarget.hpp"
+#include "moc_ATDTarget.cpp"
+
+int main()
+{
+  Object obj;
+  return 0;
+}

Tests/QtAutogen/mocDepends/test1.cpp → Tests/QtAutogen/mocDepends/testGenFile.cpp

@@ -1,9 +1,8 @@
 
-#include "object.hpp"
+#include "GenFile.hpp"
 
 int main()
 {
   Object obj;
-
   return 0;
 }

Tests/QtAutogen/mocDepends/testGenLib.cpp

@@ -0,0 +1,12 @@
+
+#include "testGenLib.hpp"
+
+int main()
+{
+  SimpleLib libObject;
+  LObject lobject;
+  return 0;
+}
+
+// Depend on and AUTOMOC the SimpleLib header simpleLib.hpp
+#include "moc_simpleLib.cpp"

Tests/QtAutogen/mocDepends/test2.hpp → Tests/QtAutogen/mocDepends/testGenLib.hpp

@@ -1,5 +1,5 @@
-#ifndef TEST2_HPP
-#define TEST2_HPP
+#ifndef TEST3_HPP
+#define TEST3_HPP
 
 #include "simpleLib.hpp"
 #include <QObject>

Tests/QtAutogen/mocDepends/testGenTarget.cpp

@@ -0,0 +1,9 @@
+
+#include "GenTarget.hpp"
+#include "moc_GenTarget.cpp"
+
+int main()
+{
+  Object obj;
+  return 0;
+}