Initial project import

tools/v/vlib/yaml/test_helpers.v

@@ -0,0 +1,19 @@
+module yaml
+
+import x.json2
+
+// json_logically_eq compares two JSON strings by decoding and re-encoding
+// both sides via json2, normalizing whitespace and treating an empty input
+// as the literal "null" document.
+//
+// For tests only. Lives in a non-_test.v file because V compiles each
+// `_test.v` file as its own binary, so a helper cannot otherwise be shared
+// across the module's test files. Not exported (lowercase name) so it stays
+// invisible to consumers of `yaml`.
+fn json_logically_eq(a string, b string) !bool {
+	a_norm := if a.trim_space() == '' { 'null' } else { a }
+	b_norm := if b.trim_space() == '' { 'null' } else { b }
+	pa := json2.decode[json2.Any](a_norm)!
+	pb := json2.decode[json2.Any](b_norm)!
+	return json2.encode(pa, json2.EncoderOptions{}) == json2.encode(pb, json2.EncoderOptions{})
+}