From 303323fa3a7c4dbcdc744710349bedc4d165d63e Mon Sep 17 00:00:00 2001
From: Abhishek Malik <abhishek.malik@intel.com>
Date: Mon, 28 Aug 2017 17:15:00 -0700
Subject: [PATCH] JSON: Adding ctest

This commit adds node based tests provided by Nico to the ctest
framework already established in UPM.

Signed-off-by: Abhishek Malik <abhishek.malik@intel.com>
---
 CMakeLists.txt              |  8 ++++++++
 cmake/modules/FindNpm.cmake | 13 +++++++++++++
 tests/CMakeLists.txt        |  8 ++++++++
 tests/runjsontest.cmake     | 36 ++++++++++++++++++++++++++++++++++++
 4 files changed, 65 insertions(+)
 create mode 100644 cmake/modules/FindNpm.cmake
 create mode 100644 tests/runjsontest.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3a6098cb..b2fc02fc 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -149,6 +149,14 @@ find_package (JPEG)
 # Find nodejs
 if (BUILDSWIGNODE)
   find_package (Node REQUIRED)
+  if (BUILDTESTS)
+    find_package (Npm REQUIRED)
+    if(NPM_EXECUTABLE)
+        message(STATUS "NPM Executable found at: ${NPM_EXECUTABLE}")
+    else()
+        message(FATAL_ERROR "Please install NPM first, you can't run tests without it")
+    endif()
+  endif (BUILDTESTS)
 endif (BUILDSWIGNODE)
 
 # Find JAVA/JNI
diff --git a/cmake/modules/FindNpm.cmake b/cmake/modules/FindNpm.cmake
new file mode 100644
index 00000000..5937b7b8
--- /dev/null
+++ b/cmake/modules/FindNpm.cmake
@@ -0,0 +1,13 @@
+# Finding and pointing a variable to the npm executable if found
+# Only works on Linux systems as of now
+
+find_program(NPM_EXECUTABLE NAMES npm
+    HINTS
+    /usr
+)
+
+if(NPM_EXECUTABLE)
+    message(STATUS "NPM Executable found at ${NPM_EXECUTABLE}")
+else()
+    message(ERROR "Unable to find NPM installation, please install NPM")
+endif()
diff --git a/tests/CMakeLists.txt b/tests/CMakeLists.txt
index ca7f6509..f0e540d3 100644
--- a/tests/CMakeLists.txt
+++ b/tests/CMakeLists.txt
@@ -74,3 +74,11 @@ if (BUILDSWIGPYTHON AND PYTHON3INTERP_FOUND)
         ${CMAKE_SOURCE_DIR}/examples/python/*.py
         WORKING_DIRECTORY ${CMAKE_BINARY_DIR}/src/)
 endif (BUILDSWIGPYTHON AND PYTHON3INTERP_FOUND)
+
+# add JSON test
+if(NPM_EXECUTABLE)
+    add_test (NAME check_jsons COMMAND ${CMAKE_COMMAND}
+        -DNPMEXEC=${NPM_EXECUTABLE}
+        -DUPMBASEDIR=${CMAKE_SOURCE_DIR}
+        -P ${CMAKE_SOURCE_DIR}/tests/runjsontest.cmake)
+endif(NPM_EXECUTABLE)
diff --git a/tests/runjsontest.cmake b/tests/runjsontest.cmake
new file mode 100644
index 00000000..d9eec9e5
--- /dev/null
+++ b/tests/runjsontest.cmake
@@ -0,0 +1,36 @@
+# This macro sets up the initial JSON test environment
+# it copies over everything required by the test over to the
+# build directory so that the tests can be run from there
+macro(SETUP_JSON_COLLATERAL UBD NE)
+    execute_process(COMMAND mkdir -p ${UBD}/build/node_test;
+        COMMAND cp ${UBD}/tests/node/package.json ${UBD}/build/node_test/;
+        COMMAND cp ${UBD}/tests/node/jsonlint.js ${UBD}/build/node_test/;
+        COMMAND cp ${UBD}/tests/node/test.js ${UBD}/build/node_test/;
+        COMMAND ${NE} install --prefix=${UBD}/build/node_test/;
+        RESULT_VARIABLE ret_val
+    )
+    if(ret_val)
+        message(FATAL_ERROR "value of result of first test: ${ret_val_1}")
+    endif()
+endmacro()
+
+# This macro runs the json test and checks the json files for
+# their validity and also checks for the required fields
+macro(EXEC_JSON_TEST UBD NE)
+    execute_process(COMMAND ${NE} test --prefix=${UBD}/build/node_test/
+        RESULT_VARIABLE ret_val
+    )
+    execute_process(COMMAND rm -rf ${UBD}/build/node_test)
+    if(ret_val)
+        message(FATAL_ERROR "value of the result of the second test: ${ret_val_2}")
+    endif()
+endmacro()
+
+# this macro removes all the JSON collateral from the build directory
+#macro(REMOVE_JSON_COLLATERAL UBD)
+#    execute_process(COMMAND rm -rf ${UBD}/build/node_test)
+#endmacro()
+
+setup_json_collateral(${UPMBASEDIR} ${NPMEXEC})
+exec_json_test(${UPMBASEDIR} ${NPMEXEC})
+#remove_json_collateral(${UPMBASEDIR})