From 7c33ab467b443a7001d6ea5449645fe58b17936a Mon Sep 17 00:00:00 2001
From: Isaac Nickaein <isaac@isaac.ir>
Date: Sun, 28 Apr 2019 22:06:47 +0430
Subject: [PATCH] Download test data as external project in CMake

---
 .gitignore          |  1 +
 test/CMakeLists.txt | 15 +++++++++++++++
 2 files changed, 16 insertions(+)

diff --git a/.gitignore b/.gitignore
index 086e855c0..a35388477 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,4 +22,5 @@ benchmarks/files/numbers/*.json
 cmake-build-debug
 
 test/test-*
+test/data
 /.vs
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index b73dfc9ad..6cd996f1f 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -1,3 +1,5 @@
+include(ExternalProject)
+
 option(JSON_Sanitizer "Build test suite with Clang sanitizer" OFF)
 option(JSON_Valgrind "Execute test suite with Valgrind" OFF)
 option(JSON_NoExceptions "Build test suite without exceptions" OFF)
@@ -97,6 +99,16 @@ if(MSVC)
 	set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /bigobj")
 endif()
 
+ExternalProject_Add(ExternalTestData
+  GIT_REPOSITORY    https://github.com/nickaein/nlohmann-json-testdata.git
+  GIT_TAG           310048a5c34195b935f8062c53f30f3253fc5f50
+  SOURCE_DIR        ${CMAKE_CURRENT_SOURCE_DIR}/data
+  CONFIGURE_COMMAND ""
+  BUILD_COMMAND     ""
+  INSTALL_COMMAND   ""
+  TEST_COMMAND      ""
+)
+
 #############################################################################
 # one executable for each unit test file
 #############################################################################
@@ -107,6 +119,8 @@ foreach(file ${files})
     string(REGEX REPLACE "unit-([^$]+)" "test-\\1" testcase ${file_basename})
 
     add_executable(${testcase} $<TARGET_OBJECTS:doctest_main> ${file})
+    add_dependencies(${testcase} ExternalTestData)
+
     target_compile_definitions(${testcase} PRIVATE
       DOCTEST_CONFIG_SUPER_FAST_ASSERTS
     )
@@ -148,3 +162,4 @@ endforeach()
 add_subdirectory(cmake_import)
 add_subdirectory(cmake_import_minver)
 add_subdirectory(cmake_add_subdirectory)
+