Cpp restbed server improvements (#13030)

* Keep old implementation of cpp-restbed generator as cpp-restbed-server-deprecated

* Refactor operation path processing

* Restructure samples directory to better allow writing tests

* Improve templates for cpp-restbed-server

Improve templates

* Add integration tests

* Improvement in templates for cpp-restbed-server

* Fix tests

* Improve cpp-restbed generator

* Improve cpp-restbed-server

* Add more tests

* Add suppoert for arrays of enums in query params

* Generate CMakeLists.txt

* Small improvements and example in Readme

* Add integration tests to maven project

* Update doc

samples/server/petstore/cpp-restbed/cmake/JavaClientTests.cmake

@@ -0,0 +1,35 @@
+
+add_custom_target(run_all_java_client_test_for_cpp_server)
+
+define_property(GLOBAL
+        PROPERTY LAST_JAVA_CLIENT_TEST
+        BRIEF_DOCS Used to order the tests to run after each other
+        FULL_DOCS The tests are ordered by defining a dependency chain)
+set_property(GLOBAL
+        PROPERTY LAST_JAVA_CLIENT_TEST run_all_java_client_test_for_cpp_server)
+
+set(RUN_CLIENT_TESTS_SHELL_TEMPLATE "run_java_client_tests_template.txt")
+
+function(run_java_client_test_for_cpp_server TARGET_NAME)
+    set(TEST_SERVER_EXECUTABLE "${CMAKE_CURRENT_BINARY_DIR}/${TARGET_NAME}")
+
+    set(RUN_TESTS_TARGET run_${TARGET_NAME}_test)
+    configure_file(${CMAKE_SOURCE_DIR}/cmake/${RUN_CLIENT_TESTS_SHELL_TEMPLATE}
+            ${CMAKE_CURRENT_BINARY_DIR}/${RUN_TESTS_TARGET}.sh
+            @ONLY)
+
+    add_custom_target(${RUN_TESTS_TARGET}
+            COMMAND ${CMAKE_CURRENT_BINARY_DIR}/${RUN_TESTS_TARGET}.sh
+            DEPENDS ${TARGET_NAME}
+            USES_TERMINAL
+            COMMENT "Running tests: ${TARGET_NAME}")
+
+    get_property(LAST_TEST
+            GLOBAL
+            PROPERTY LAST_JAVA_CLIENT_TEST)
+    add_dependencies(run_all_java_client_test_for_cpp_server ${RUN_TESTS_TARGET})
+    add_dependencies(${LAST_TEST} ${RUN_TESTS_TARGET})
+    set_property(GLOBAL
+            PROPERTY LAST_JAVA_CLIENT_TEST ${RUN_TESTS_TARGET})
+
+endfunction()

samples/server/petstore/cpp-restbed/cmake/dependencies.cmake

@@ -0,0 +1,25 @@
+
+
+include(FetchContent)
+
+## Restbed
+FetchContent_Declare(
+        restbed
+        GIT_REPOSITORY https://github.com/Corvusoft/restbed
+        GIT_TAG        4.7
+)
+
+set(BUILD_TESTS OFF CACHE BOOL "Disable internal restbed tests")
+set(BUILD_SSL OFF CACHE BOOL "Disable SSL")
+FetchContent_MakeAvailable(restbed)
+
+FetchContent_GetProperties(restbed)
+if(NOT restbed_POPULATED)
+
+    FetchContent_Populate(restbed)
+    add_subdirectory(${restbed_SOURCE_DIR} ${restbed_BINARY_DIR})
+endif()
+
+
+## Boost
+find_package(Boost 1.7.0 COMPONENTS system unit_test_framework REQUIRED)

samples/server/petstore/cpp-restbed/cmake/run_java_client_tests_template.txt

@@ -0,0 +1,28 @@
+#!/bin/bash
+set -u
+set -e
+#set -x
+
+SCRIPTPATH="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
+echo "Running ${SCRIPTPATH}"
+
+echo Running @TEST_SERVER_EXECUTABLE@
+@TEST_SERVER_EXECUTABLE@ &
+pid=$!
+
+
+function kill_test_server()
+{
+    kill -9 $pid
+}
+
+trap kill_test_server EXIT
+
+echo Running Java client tests
+cd "@CMAKE_CURRENT_LIST_DIR@/../../java_client"
+./gradlew --no-daemon clean test --tests "test_@TARGET_NAME@.*" -i
+
+set +e
+kill $pid
+
+echo Done running @TEST_SERVER_EXECUTABLE@