From 6446257a930a2b4ff6b4a83a060d45d4d70cc331 Mon Sep 17 00:00:00 2001
From: Karen Shea <karen@mapbox.com>
Date: Mon, 13 Feb 2017 17:57:39 +0100
Subject: [PATCH] add error logging for missing osrm file to library tests
 (#3704)

---
 unit_tests/library/args.hpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/unit_tests/library/args.hpp b/unit_tests/library/args.hpp
index 512b612dd4a..f9b95b17ccc 100644
--- a/unit_tests/library/args.hpp
+++ b/unit_tests/library/args.hpp
@@ -1,12 +1,27 @@
 #ifndef OSRM_UNIT_TEST_ARGS
 #define OSRM_UNIT_TEST_ARGS
 
+#include "util/log.hpp"
+#include <boost/filesystem.hpp>
+#include <iostream>
 #include <string>
 #include <vector>
 #include <iostream>
 
 inline std::vector<std::string> get_args()
 {
+    osrm::util::LogPolicy::GetInstance().Unmute();
+    if ((boost::unit_test::framework::master_test_suite().argc != 2) ||
+        (!boost::filesystem::is_regular_file(
+            boost::unit_test::framework::master_test_suite().argv[1])))
+    {
+        osrm::util::Log(logERROR) << "Please provide valid input osrm file";
+        osrm::util::Log(logERROR) << "Usage: "
+                                  << boost::unit_test::framework::master_test_suite().argv[0]
+                                  << " /path/to/input_osrm_file" << std::endl;
+        std::exit(EXIT_FAILURE);
+    }
+
     // Split off argv[0], store actual positional arguments in args
     const auto argc = boost::unit_test::framework::master_test_suite().argc - 1;
     const auto argv = boost::unit_test::framework::master_test_suite().argv + 1;