From 6c13527020d65c410ee8daef18ee8273cdf8e827 Mon Sep 17 00:00:00 2001
From: Dan Goodliffe <dan@randomdan.homeip.net>
Date: Mon, 26 Feb 2024 22:48:37 +0000
Subject: Add helper for loading fixtures for data tests from fixture JSON

---
 test/testHelpers.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/test/testHelpers.h b/test/testHelpers.h
index f2b0901..58e4372 100644
--- a/test/testHelpers.h
+++ b/test/testHelpers.h
@@ -2,11 +2,22 @@
 
 #include <boost/test/tools/context.hpp>
 #include <boost/test/tools/interface.hpp>
+#include <filesystem>
+#include <fstream>
 #include <iomanip> // IWYU pragma: keep std::setprecision
+#include <jsonParse-persistence.h>
 #include <memory>
 
 std::unique_ptr<char, decltype(&free)> uasprintf(const char * fmt, ...) __attribute__((format(printf, 1, 2)));
 
+template<typename T>
+decltype(auto)
+loadFixtureJson(const std::filesystem::path & path)
+{
+	std::ifstream in {FIXTURESDIR / path};
+	return Persistence::JsonParsePersistence {}.loadState<std::vector<T>>(in);
+}
+
 #define BOOST_CHECK_CLOSE_VEC(a_, b_) \
 	{ \
 		const auto a {a_}, b {b_}; \
-- 
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