test(rust/signed-doc): Add a test case for invalid params and aliases in protected header

rust/signed_doc/tests/decoding.rs

@@ -20,6 +20,60 @@ struct TestCase {
  post_checks: Option<Box<PostCheck>>,
 }
 
+// `parameters` value along with its aliases are not allowed to be presented
+fn signed_doc_with_parameters_and_aliases_case(aliases: &'static [&'static str]) -> TestCase {
+ let uuid_v7 = UuidV7::new();
+ let uuid_v4 = UuidV4::new();
+ let doc_ref = DocumentRef::new(UuidV7::new(), UuidV7::new(), DocLocator::default());
+
+ TestCase {
+ name: "Multiple definitions of campaign_id, brand_id, category_id and parameters at once.",
+ bytes_gen: Box::new({
+ move || {
+ let mut e = Encoder::new(Vec::new());
+ e.tag(Tag::new(98))?;
+ e.array(4)?;
+
+ // protected headers (metadata fields)
+ e.bytes({
+ let mut p_headers = Encoder::new(Vec::new());
+ p_headers.map(4u64.overflowing_add(u64::try_from(aliases.len())?).0)?;
+ p_headers.u8(3)?.encode(ContentType::Json)?;
+ p_headers
+ .str("type")?
+ .encode_with(uuid_v4, &mut catalyst_types::uuid::CborContext::Tagged)?;
+ p_headers
+ .str("id")?
+ .encode_with(uuid_v7, &mut catalyst_types::uuid::CborContext::Tagged)?;
+ p_headers
+ .str("ver")?
+ .encode_with(uuid_v7, &mut catalyst_types::uuid::CborContext::Tagged)?;
+
+ for alias in aliases {
+ p_headers
+ .str(alias)?
+ .encode_with(doc_ref.clone(), &mut ())?;
+ }
+
+ p_headers.into_writer().as_slice()
+ })?;
+
+ // empty unprotected headers
+ e.map(0)?;
+ // content
+ e.bytes(serde_json::to_vec(&serde_json::Value::Null)?.as_slice())?;
+ // zero signatures
+ e.array(0)?;
+
+ Ok(e)
+ }
+ }),
+ can_decode: true,
+ valid_doc: false,
+ post_checks: None,
+ }
+}
+
 fn decoding_empty_bytes_case() -> TestCase {
  TestCase {
  name: "Decoding empty bytes",
@@ -91,6 +145,19 @@ fn catalyst_signed_doc_decoding_test() {
  let test_cases = [
  decoding_empty_bytes_case(),
  signed_doc_with_all_fields_case(),
+ signed_doc_with_parameters_and_aliases_case(&["parameters", "category_id"]),
+ signed_doc_with_parameters_and_aliases_case(&["parameters", "brand_id"]),
+ signed_doc_with_parameters_and_aliases_case(&["parameters", "campaign_id"]),
+ signed_doc_with_parameters_and_aliases_case(&["category_id", "campaign_id"]),
+ signed_doc_with_parameters_and_aliases_case(&["category_id", "brand_id"]),
+ signed_doc_with_parameters_and_aliases_case(&["brand_id", "campaign_id"]),
+ signed_doc_with_parameters_and_aliases_case(&["category_id", "brand_id", "campaign_id"]),
+ signed_doc_with_parameters_and_aliases_case(&[
+ "parameters",
+ "category_id",
+ "brand_id",
+ "campaign_id",
+ ]),
  ];
 
  for case in test_cases {