use super::super::{decode_stored_document_value, encode_stored_document_value};
use super::*;
use crate::document_store::StoredDocument;
use crate::StorageBackendError;
use uqa_core::{memory::MemoryError, Value};
fn encoded(prefix: &[u8], body: &str) -> Vec<u8> {
[prefix, body.as_bytes()].concat()
}
fn parity(bytes: &[u8]) -> Option<RetainedStoredDocument> {
let expected = decode_stored_document_value(bytes);
let control = StorageReadControl::with_limit(8 * 1024 * 1024);
let actual = decode_retained_stored_document_value(bytes, &control);
match (expected, actual) {
(Ok(expected), Ok(actual)) => {
assert_eq!(actual.metadata(), expected.metadata());
assert_eq!(
serde_json::to_vec(actual.fields()).unwrap(),
serde_json::to_vec(expected.fields()).unwrap(),
"{bytes:?}"
);
assert!(control.memory().used() > 0);
Some(actual)
}
(Err(_), Err(_)) => {
assert_eq!(control.memory().used(), 0);
None
}
(expected, actual) => {
panic!("codec parity for {bytes:?}: ordinary={expected:?}, retained={actual:?}")
}
}
}
#[test]
fn current_records_preserve_user_fields_metadata_and_sequence_envelopes() {
for body in [
r#"{"fields":{}}"#,
r#"{"fields":{"x":[1,2]},"tuple_xmin":null}"#,
r#"{"fields":{"xmin":71,"\u0000uqa.system.xmin":7},"tuple_xmin":4294967295}"#,
r#"{"tuple_xmin":0,"fields":{"$uqa_type":"void"}}"#,
r#"[{"$uqa_type":"row","values":[1,2]},9]"#,
"[{},null]",
r#"{"unknown":1e999999999,"fields":{"body":"x"}}"#,
r#"{"unknown":{"$serde_json::private::Number":false},"fields":{}}"#,
r#"{"fields":{"x":1},"fields":{"x":2}}"#,
r#"{"fields":{},"tuple_xmin":null,"tuple_xmin":null}"#,
r#"{"fields":{},"tuple_xmin":-0}"#,
r#"{"fields":{},"tuple_xmin":1.0}"#,
r#"{"fields":{},"tuple_xmin":1e0}"#,
r#"{"fields":{},"tuple_xmin":-1}"#,
r#"{"fields":{},"tuple_xmin":4294967296}"#,
r#"{"fields":[],"tuple_xmin":1}"#,
r#"{"tuple_xmin":1}"#,
"[]",
"[{}]",
"[{},null,0]",
"null",
] {
parity(&encoded(DOCUMENT_VALUE_V2_PREFIX, body));
}
let fields = [
("bytes".into(), Value::Bytes(vec![1, 2, 3])),
("row".into(), Value::Row(vec![Value::Int(1), Value::Null])),
(
"list".into(),
Value::List(vec![Value::Int(1), Value::Int(2)]),
),
]
.into();
let source = StoredDocument::with_metadata(fields, DocumentMetadata::with_tuple_xmin(37));
parity(&encode_stored_document_value(&source).unwrap()).unwrap();
}
#[test]
fn document_records_retain_nonfinite_float_bits_and_tuple_metadata() {
for bits in [
0x7ff0_0000_0000_0000,
0xfff0_0000_0000_0000,
0xfff8_0000_0000_0001,
] {
let value = Value::Float(f64::from_bits(bits));
let source = StoredDocument::with_metadata(
[
("scalar".into(), value.clone()),
("nested".into(), Value::Row(vec![value])),
]
.into(),
DocumentMetadata::with_tuple_xmin(37),
);
let bytes = encode_stored_document_value(&source).unwrap();
let ordinary = decode_stored_document_value(&bytes).unwrap();
let retained = parity(&bytes).unwrap();
for fields in [ordinary.fields(), retained.fields()] {
let Value::Float(scalar) = fields["scalar"] else {
panic!("lost float carrier")
};
assert_eq!(scalar.to_bits(), bits);
let Value::Row(row) = &fields["nested"] else {
panic!("lost row carrier")
};
let Value::Float(nested) = row[0] else {
panic!("lost nested float carrier")
};
assert_eq!(nested.to_bits(), bits);
}
assert_eq!(retained.metadata().tuple_xmin(), Some(37));
}
}
#[test]
fn previous_formats_preserve_array_rules_and_migrate_only_storage_metadata() {
let body = r#"{"bytes":[1,2],"empty":[],"list":[1,300],"nested":[[3,4]],"xmin":51,"\u0000uqa.system.xmin":9,"\u0000uqa.user.xmin":true}"#;
let legacy = parity(body.as_bytes()).unwrap();
let modern = parity(&encoded(DOCUMENT_VALUE_V1_PREFIX, body)).unwrap();
assert!(matches!(&legacy.fields()["bytes"], Value::Bytes(_)));
assert!(matches!(&legacy.fields()["empty"], Value::Bytes(_)));
assert!(matches!(&modern.fields()["bytes"], Value::List(_)));
assert!(matches!(&modern.fields()["empty"], Value::List(_)));
for value in [legacy, modern] {
assert_eq!(value.metadata().tuple_xmin(), Some(9));
assert_eq!(value.fields()["xmin"], Value::Int(51));
assert!(!value.fields().contains_key("\0uqa.system.xmin"));
assert!(!value.fields().contains_key("\0uqa.user.xmin"));
}
for body in [
r#"{"$uqa_type":"bytes","hex":"0102"}"#,
r#"{"\u0000uqa.system.xmin":-1}"#,
r#"{"\u0000uqa.system.xmin":4294967296}"#,
r#"{"\u0000uqa.system.xmin":"7"}"#,
r#"{"\u0000uqa.system.xmin":3,"xmin":3}"#,
] {
parity(body.as_bytes());
parity(&encoded(DOCUMENT_VALUE_V1_PREFIX, body));
}
}
#[test]
fn legacy_tags_convert_modern_children_before_falling_back_to_original_subtrees() {
for value in [
r#"{"$uqa_type":"row","values":[1,2]}"#,
r#"{"$uqa_type":"row","values":[[1,2],[]]}"#,
r#"{"$uqa_type":"record","fields":[["a",[1,2]],["b",[]]]}"#,
r#"{"$uqa_type":"array","lower_bounds":[2],"values":[1,2]}"#,
r#"{"$uqa_type":"array","lower_bounds":[0,1],"values":[[],[]]}"#,
r#"{"$uqa_type":"row","values":[1,2],"extra":true}"#,
r#"{"$uqa_type":"bytes","hex":"not hex","values":[1,2]}"#,
r#"{"$uqa_type":"unknown","values":[[1,2],[]]}"#,
r#"{"$uqa_type":"row","values":[18446744073709551616]}"#,
r#"{"$uqa_type":"row","values":[-9223372036854775809]}"#,
r#"{"$uqa_type":"row","values":[1e400]}"#,
r#"{"$uqa_type":"unknown","values":[1e400]}"#,
r#"{"$uqa_type":"row","values":[1e200000],"values":[1,2]}"#,
] {
parity(format!(r#"{{"v":{value}}}"#).as_bytes());
}
}
#[test]
fn legacy_normalization_preserves_private_envelopes_and_duplicate_validation_order() {
for body in [
r#"{"v":{"$serde_json::private::Number":"1"}}"#,
r#"{"v":{"$serde_json::private::Number":"1e400"}}"#,
r#"{"v":{"$serde_json::private::Number":" 1"}}"#,
r#"{"v":{"$serde_json::private::Number":"1 "}}"#,
r#"{"v":{"$serde_json::private::Number":"01"}}"#,
r#"{"v":{"$serde_json::private::Number":1}}"#,
r#"{"v":{"$serde_json::private::Number":"1","x":2}}"#,
r#"{"v":{"x":2,"$serde_json::private::Number":"1"}}"#,
r#"{"v":{"$serde_json::private::RawValue":"[1,2]"}}"#,
r#"{"v":{"$serde_json::private::RawValue":"invalid"}}"#,
r#"{"$serde_json::private::RawValue":"{\"x\":[1,2]}"}"#,
r#"{"$serde_json::private::RawValue":"3"}"#,
r#"{"$serde_json::private::Number":"1"}"#,
r#"{"v":{"$uqa_type":"row","values":[{"$serde_json::private::RawValue":"[1,2]"}]}}"#,
r#"{"v":1e400,"v":[1,2]}"#,
r#"{"v":1e400,"\u0076":[1,2]}"#,
r#"{"v":{"$serde_json::private::Number":"invalid"},"v":1}"#,
r#"{"v":{"$serde_json::private::RawValue":"invalid"},"v":1}"#,
] {
parity(body.as_bytes());
}
}
#[test]
fn numeric_semantics_and_invalid_inputs_match_each_document_format() {
for number in [
"0",
"-0",
"1.0",
"1e0",
"-1e-99999",
"9223372036854775807",
"9223372036854775808",
"18446744073709551615",
"18446744073709551616",
"-9223372036854775809",
"340282366920938463463374607431768211456",
"1e400",
"1e131072",
] {
let body = format!(r#"{{"v":{number}}}"#);
parity(body.as_bytes());
parity(&encoded(DOCUMENT_VALUE_V1_PREFIX, &body));
parity(&encoded(
DOCUMENT_VALUE_V2_PREFIX,
&format!(r#"{{"fields":{body}}}"#),
));
}
for body in [
"",
" ",
"[]",
"[1,2]",
"false",
"{",
r#"{"x":1,}"#,
r#"{"x":"\uD800"}"#,
] {
parity(body.as_bytes());
parity(&encoded(DOCUMENT_VALUE_V1_PREFIX, body));
parity(&encoded(DOCUMENT_VALUE_V2_PREFIX, body));
}
parity(&[0xff]);
}
#[test]
fn known_fields_keep_the_old_depth_limit_while_ignored_envelopes_are_iterative() {
for depth in [125, 126, 127, 128] {
let body = format!(r#"{{"v":{}0{}}}"#, "[".repeat(depth), "]".repeat(depth));
parity(body.as_bytes());
parity(&encoded(DOCUMENT_VALUE_V1_PREFIX, &body));
parity(&encoded(
DOCUMENT_VALUE_V2_PREFIX,
&format!(r#"{{"fields":{body}}}"#),
));
}
let ignored = format!(
r#"{{"unknown":{}0{},"fields":{{}}}}"#,
"[".repeat(1024),
"]".repeat(1024)
);
parity(&encoded(DOCUMENT_VALUE_V2_PREFIX, &ignored)).unwrap();
parity(&encoded(
DOCUMENT_VALUE_V2_PREFIX,
r#"{"unknown":"\uD800","fields":{}}"#,
))
.unwrap();
}
#[test]
fn current_unknown_strings_preserve_the_byte_input_compatibility_boundary() {
for body in [
&b"{\"unknown\":\"\xff\",\"fields\":{}}"[..],
&b"{\"unknown\":{\"\xff\":[\"\xc3\"]},\"fields\":{}}"[..],
&b"{\"\xff\":null,\"fields\":{}}"[..],
&b"{\"fields\":{\"value\":\"\xff\"}}"[..],
&b"{\"fields\":{},\"tuple_xmin\":\"\xff\"}"[..],
&b"{\"unknown\":\"\\\xff\",\"fields\":{}}"[..],
&b"{\"unknown\":\"\x1f\",\"fields\":{}}"[..],
&b"{\"unknown\":\xff,\"fields\":{}}"[..],
] {
parity(&[DOCUMENT_VALUE_V2_PREFIX, body].concat());
}
}
#[test]
fn quota_and_cancellation_failures_release_scratch_and_preserve_existing_readers() {
let control = StorageReadControl::with_limit(4096);
let prior = decode_retained_stored_document_value(br#"{"body":"prior"}"#, &control).unwrap();
let sibling = prior.clone();
let retained = control.memory().used();
let large = format!(r#"{{"body":"{}"}}"#, "x".repeat(8192));
for prefix in [&[][..], DOCUMENT_VALUE_V1_PREFIX, DOCUMENT_VALUE_V2_PREFIX] {
let body = if prefix == DOCUMENT_VALUE_V2_PREFIX {
format!(r#"{{"fields":{large}}}"#)
} else {
large.clone()
};
assert!(matches!(
decode_retained_stored_document_value(&encoded(prefix, &body), &control),
Err(StorageBackendError::Memory(MemoryError::Limit { .. }))
));
assert_eq!(control.memory().used(), retained);
}
assert!(decode_retained_stored_document_value(br#"{"bad":{"x":[1,2],}}"#, &control).is_err());
assert_eq!(control.memory().used(), retained);
control.cancellation().cancel();
assert!(matches!(
decode_retained_stored_document_value(b"{}", &control),
Err(StorageBackendError::Cancelled(_))
));
assert_eq!(control.memory().used(), retained);
drop(prior);
assert_eq!(control.memory().used(), retained);
assert_eq!(sibling.fields()["body"], Value::Str("prior".into()));
drop(sibling);
assert_eq!(control.memory().used(), 0);
}
#[test]
fn legacy_migration_releases_removed_payload_and_unique_outputs_move_storage_fields() {
let control = StorageReadControl::with_limit(1 << 20);
let input = format!(
r#"{{"body":"kept","\u0000uqa.user.xmin":"{}","\u0000uqa.system.xmin":7}}"#,
"x".repeat(8192)
);
let retained = decode_retained_stored_document_value(input.as_bytes(), &control).unwrap();
assert!(control.memory().used() < 8192);
assert_eq!(retained.metadata().tuple_xmin(), Some(7));
let Value::Str(text) = &retained.fields()["body"] else {
panic!()
};
let address = text.as_ptr();
let output = retained.into_stored();
let Value::Str(text) = &output.fields()["body"] else {
panic!()
};
assert_eq!(text.as_ptr(), address);
assert_eq!(output.metadata().tuple_xmin(), Some(7));
assert_eq!(control.memory().used(), 0);
}