update headless testing to be configurable

2 files changed, 25 insertions, 1 deletions

diff --git a/src/style/style.cpp b/src/style/style.cpp
index fc2364da81..006376172c 100644
--- a/src/style/style.cpp
+++ b/src/style/style.cpp
@@ -4,6 +4,7 @@
 #include <llmr/style/style_bucket.hpp>
 #include <llmr/util/constants.hpp>
 #include <llmr/util/time.hpp>
+#include <llmr/util/error.hpp>
 #include <csscolorparser/csscolorparser.hpp>
 
 #include <rapidjson/document.h>
@@ -102,6 +103,9 @@ void Style::loadJSON(const uint8_t *const data) {
 
     rapidjson::Document doc;
     doc.Parse<0>((const char *const)data);
+    if (doc.HasParseError()) {
+        throw error::style_parse(doc.GetErrorOffset(), doc.GetParseError());
+    }
 
     StyleParser parser;
     parser.parse(const_cast<const rapidjson::Document &>(doc));
diff --git a/src/util/io.cpp b/src/util/io.cpp
index bf519b0573..fb36998e07 100644
--- a/src/util/io.cpp
+++ b/src/util/io.cpp
@@ -1,8 +1,14 @@
 #include <llmr/util/io.hpp>
 
 #include <cstdio>
+#include <iostream>
+#include <sstream>
+#include <fstream>
 
-void llmr::util::write_file(const std::string &filename, const std::string &data) {
+namespace llmr {
+namespace util {
+
+void write_file(const std::string &filename, const std::string &data) {
     FILE *fd = fopen(filename.c_str(), "wb");
     if (fd) {
         fwrite(data.data(), sizeof(std::string::value_type), data.size(), fd);
@@ -11,3 +17,17 @@ void llmr::util::write_file(const std::string &filename, const std::string &data
         fprintf(stderr, "Failed to open file\n");
     }
 }
+
+std::string read_file(const std::string &filename) {
+    std::ifstream file(filename);
+    if (file.good()) {
+        std::stringstream data;
+        data << file.rdbuf();
+        return data.str();
+    } else {
+        throw std::runtime_error("Cannot read file " + filename);
+    }
+}
+
+}
+}
\ No newline at end of file