Intermediate changes

1 files changed, 23 insertions, 0 deletions

diff --git a/library/cpp/testing/gtest/matchers.cpp b/library/cpp/testing/gtest/matchers.cpp
new file mode 100644
index 0000000000..421de85da5
--- /dev/null
+++ b/library/cpp/testing/gtest/matchers.cpp
@@ -0,0 +1,23 @@
+#include <library/cpp/testing/gtest/matchers.h>
+
+#include <library/cpp/testing/common/env.h>
+
+#include <util/folder/path.h>
+#include <util/stream/file.h>
+#include <util/system/fs.h>
+
+bool NGTest::NDetail::MatchOrUpdateGolden(std::string_view actualContent, const TString& goldenFilename) {
+    if (!GetTestParam("GTEST_UPDATE_GOLDEN").empty()) {
+        Y_ENSURE(NFs::MakeDirectoryRecursive(TFsPath(goldenFilename).Parent()));
+        TFile file(goldenFilename, CreateAlways);
+        file.Write(actualContent.data(), actualContent.size());
+        Cerr << "The data[" << actualContent.size() << "] has written to golden file " << goldenFilename << Endl;
+        return true;
+    }
+
+    if (!NFs::Exists(goldenFilename)) {
+        return actualContent.empty();
+    }
+    TFile goldenFile(goldenFilename, RdOnly);
+    return actualContent == TFileInput(goldenFile).ReadAll();
+}