Add basic yaml config resolver

1 files changed, 53 insertions, 0 deletions

diff --git a/library/cpp/yaml/fyamlcpp/fyamlcpp_ut.cpp b/library/cpp/yaml/fyamlcpp/fyamlcpp_ut.cpp
new file mode 100644
index 00000000000..f9aab7b011b
--- /dev/null
+++ b/library/cpp/yaml/fyamlcpp/fyamlcpp_ut.cpp
@@ -0,0 +1,53 @@
+#include "fyamlcpp.h"
+
+#include <contrib/libs/libfyaml/include/libfyaml.h>
+
+#include <library/cpp/testing/unittest/registar.h>
+
+#include <util/stream/str.h>
+
+Y_UNIT_TEST_SUITE(FYamlCpp) {
+    Y_UNIT_TEST(EnumEquals) {
+        UNIT_ASSERT_EQUAL((int)NFyaml::ENodeType::Scalar, FYNT_SCALAR);
+        UNIT_ASSERT_EQUAL((int)NFyaml::ENodeType::Sequence, FYNT_SEQUENCE);
+        UNIT_ASSERT_EQUAL((int)NFyaml::ENodeType::Mapping, FYNT_MAPPING);
+    }
+
+    Y_UNIT_TEST(ErrorHandling) {
+        {
+            const char *yaml = R"(
+config: a
+config: b
+)";
+            UNIT_ASSERT_EXCEPTION_CONTAINS(
+                NFyaml::TDocument::Parse(yaml),
+                yexception,
+                "3:1 duplicate key");
+        }
+
+        {
+            const char *yaml = R"(
+anchor: *does_not_exists
+)";
+            auto doc = NFyaml::TDocument::Parse(yaml);
+            UNIT_ASSERT_EXCEPTION_CONTAINS(
+                doc.Resolve(),
+                yexception,
+                "2:10 invalid alias");
+        }
+    }
+
+    Y_UNIT_TEST(Out) {
+        const char *yaml = R"(
+test: output
+)";
+
+        auto doc = NFyaml::TDocument::Parse(yaml);
+
+        TStringStream ss;
+
+        ss << doc;
+
+        UNIT_ASSERT_VALUES_EQUAL(ss.Str(), "test: output\n");
+    }
+}