#![allow(
clippy::approx_constant,
clippy::useless_vec,
clippy::len_zero,
clippy::unnecessary_cast,
clippy::redundant_closure,
clippy::too_many_arguments,
clippy::type_complexity,
clippy::needless_borrow,
clippy::enum_variant_names,
clippy::upper_case_acronyms,
clippy::inconsistent_digit_grouping,
clippy::unit_cmp,
clippy::assertions_on_constants,
clippy::iter_on_single_items,
clippy::expect_fun_call,
clippy::redundant_pattern_matching,
variant_size_differences,
clippy::absurd_extreme_comparisons,
clippy::nonminimal_bool,
clippy::for_kv_map,
clippy::needless_range_loop,
clippy::single_match,
clippy::collapsible_if,
clippy::needless_return,
clippy::redundant_clone,
clippy::map_entry,
clippy::match_single_binding,
clippy::bool_comparison,
clippy::derivable_impls,
clippy::manual_range_contains,
clippy::needless_borrows_for_generic_args,
clippy::manual_map,
clippy::vec_init_then_push,
clippy::identity_op,
clippy::manual_flatten,
clippy::single_char_pattern,
clippy::search_is_some,
clippy::option_map_unit_fn,
clippy::while_let_on_iterator,
clippy::clone_on_copy,
clippy::box_collection,
clippy::redundant_field_names,
clippy::ptr_arg,
clippy::large_enum_variant,
clippy::match_ref_pats,
clippy::needless_pass_by_value,
clippy::unused_unit,
clippy::let_and_return,
clippy::suspicious_else_formatting,
clippy::manual_strip,
clippy::match_like_matches_macro,
clippy::from_over_into,
clippy::wrong_self_convention,
clippy::inherent_to_string,
clippy::new_without_default,
clippy::unnecessary_wraps,
clippy::field_reassign_with_default,
clippy::manual_find,
clippy::unnecessary_lazy_evaluations,
clippy::should_implement_trait,
clippy::missing_safety_doc,
clippy::unusual_byte_groupings,
clippy::bool_assert_comparison,
clippy::zero_prefixed_literal,
clippy::await_holding_lock,
clippy::manual_saturating_arithmetic,
clippy::explicit_counter_loop,
clippy::needless_lifetimes,
clippy::single_component_path_imports,
clippy::uninlined_format_args,
clippy::iter_cloned_collect,
clippy::manual_str_repeat,
clippy::excessive_precision,
clippy::precedence,
clippy::unnecessary_literal_unwrap
)]
use oxicode::{
config, decode_from_slice, decode_from_slice_with_config, encode_to_vec,
encode_to_vec_with_config, Decode, Encode,
};
#[derive(Debug, PartialEq, Encode, Decode)]
enum DatabaseOp {
Select {
table: String,
limit: u32,
},
Insert {
table: String,
data: Vec<u8>,
},
Update {
table: String,
key: u64,
data: Vec<u8>,
},
Delete {
table: String,
key: u64,
},
CreateTable {
name: String,
columns: Vec<String>,
},
DropTable(String),
BeginTx,
Commit,
Rollback,
}
#[derive(Debug, PartialEq, Encode, Decode)]
enum QueryResult {
Ok { rows_affected: u64 },
Rows(Vec<Vec<u8>>),
Error { code: u32, message: String },
Empty,
}
#[derive(Debug, PartialEq, Encode, Decode)]
struct Transaction {
tx_id: u64,
ops: Vec<DatabaseOp>,
result: Option<QueryResult>,
}
#[test]
fn test_database_op_select_roundtrip() {
let op = DatabaseOp::Select {
table: String::from("users"),
limit: 100,
};
let bytes = encode_to_vec(&op).expect("encode DatabaseOp::Select");
let (decoded, _): (DatabaseOp, usize) =
decode_from_slice(&bytes).expect("decode DatabaseOp::Select");
assert_eq!(op, decoded);
}
#[test]
fn test_database_op_insert_roundtrip() {
let op = DatabaseOp::Insert {
table: String::from("orders"),
data: vec![0xDE, 0xAD, 0xBE, 0xEF],
};
let bytes = encode_to_vec(&op).expect("encode DatabaseOp::Insert");
let (decoded, _): (DatabaseOp, usize) =
decode_from_slice(&bytes).expect("decode DatabaseOp::Insert");
assert_eq!(op, decoded);
}
#[test]
fn test_database_op_update_roundtrip() {
let op = DatabaseOp::Update {
table: String::from("products"),
key: 9_999_999_999_u64,
data: vec![1, 2, 3, 4, 5, 6, 7, 8],
};
let bytes = encode_to_vec(&op).expect("encode DatabaseOp::Update");
let (decoded, _): (DatabaseOp, usize) =
decode_from_slice(&bytes).expect("decode DatabaseOp::Update");
assert_eq!(op, decoded);
}
#[test]
fn test_database_op_delete_roundtrip() {
let op = DatabaseOp::Delete {
table: String::from("sessions"),
key: 42_u64,
};
let bytes = encode_to_vec(&op).expect("encode DatabaseOp::Delete");
let (decoded, _): (DatabaseOp, usize) =
decode_from_slice(&bytes).expect("decode DatabaseOp::Delete");
assert_eq!(op, decoded);
}
#[test]
fn test_database_op_create_table_roundtrip() {
let op = DatabaseOp::CreateTable {
name: String::from("inventory"),
columns: vec![
String::from("id"),
String::from("name"),
String::from("quantity"),
String::from("price"),
],
};
let bytes = encode_to_vec(&op).expect("encode DatabaseOp::CreateTable");
let (decoded, _): (DatabaseOp, usize) =
decode_from_slice(&bytes).expect("decode DatabaseOp::CreateTable");
assert_eq!(op, decoded);
}
#[test]
fn test_database_op_drop_table_roundtrip() {
let op = DatabaseOp::DropTable(String::from("legacy_table"));
let bytes = encode_to_vec(&op).expect("encode DatabaseOp::DropTable");
let (decoded, _): (DatabaseOp, usize) =
decode_from_slice(&bytes).expect("decode DatabaseOp::DropTable");
assert_eq!(op, decoded);
}
#[test]
fn test_database_op_unit_variants_roundtrip() {
for (label, op) in [
("BeginTx", DatabaseOp::BeginTx),
("Commit", DatabaseOp::Commit),
("Rollback", DatabaseOp::Rollback),
] {
let bytes = encode_to_vec(&op).expect(label);
let (decoded, consumed): (DatabaseOp, usize) = decode_from_slice(&bytes).expect(label);
assert_eq!(op, decoded, "variant mismatch for {label}");
assert_eq!(consumed, bytes.len(), "consumed bytes mismatch for {label}");
}
}
#[test]
fn test_query_result_ok_roundtrip() {
let result = QueryResult::Ok {
rows_affected: 1_024_u64,
};
let bytes = encode_to_vec(&result).expect("encode QueryResult::Ok");
let (decoded, _): (QueryResult, usize) =
decode_from_slice(&bytes).expect("decode QueryResult::Ok");
assert_eq!(result, decoded);
}
#[test]
fn test_query_result_rows_roundtrip() {
let result = QueryResult::Rows(vec![vec![0x01, 0x02, 0x03], vec![0xAA, 0xBB], vec![0xFF]]);
let bytes = encode_to_vec(&result).expect("encode QueryResult::Rows");
let (decoded, _): (QueryResult, usize) =
decode_from_slice(&bytes).expect("decode QueryResult::Rows");
assert_eq!(result, decoded);
}
#[test]
fn test_query_result_error_roundtrip() {
let result = QueryResult::Error {
code: 404_u32,
message: String::from("Table not found"),
};
let bytes = encode_to_vec(&result).expect("encode QueryResult::Error");
let (decoded, _): (QueryResult, usize) =
decode_from_slice(&bytes).expect("decode QueryResult::Error");
assert_eq!(result, decoded);
}
#[test]
fn test_query_result_empty_roundtrip() {
let result = QueryResult::Empty;
let bytes = encode_to_vec(&result).expect("encode QueryResult::Empty");
let (decoded, consumed): (QueryResult, usize) =
decode_from_slice(&bytes).expect("decode QueryResult::Empty");
assert_eq!(result, decoded);
assert_eq!(consumed, bytes.len(), "all bytes should be consumed");
}
#[test]
fn test_transaction_with_option_none_roundtrip() {
let tx = Transaction {
tx_id: 1_u64,
ops: vec![DatabaseOp::BeginTx, DatabaseOp::Commit],
result: None,
};
let bytes = encode_to_vec(&tx).expect("encode Transaction (result=None)");
let (decoded, _): (Transaction, usize) =
decode_from_slice(&bytes).expect("decode Transaction (result=None)");
assert_eq!(tx, decoded);
}
#[test]
fn test_transaction_with_option_some_roundtrip() {
let tx = Transaction {
tx_id: 2_u64,
ops: vec![
DatabaseOp::BeginTx,
DatabaseOp::Insert {
table: String::from("logs"),
data: vec![42, 43, 44],
},
DatabaseOp::Commit,
],
result: Some(QueryResult::Ok { rows_affected: 1 }),
};
let bytes = encode_to_vec(&tx).expect("encode Transaction (result=Some)");
let (decoded, _): (Transaction, usize) =
decode_from_slice(&bytes).expect("decode Transaction (result=Some)");
assert_eq!(tx, decoded);
}
#[test]
fn test_transaction_multiple_ops_roundtrip() {
let tx = Transaction {
tx_id: 3_u64,
ops: vec![
DatabaseOp::BeginTx,
DatabaseOp::Select {
table: String::from("accounts"),
limit: 50,
},
DatabaseOp::Update {
table: String::from("accounts"),
key: 7,
data: vec![0xCA, 0xFE],
},
DatabaseOp::Delete {
table: String::from("accounts"),
key: 99,
},
DatabaseOp::Rollback,
],
result: Some(QueryResult::Error {
code: 500,
message: String::from("Deadlock detected"),
}),
};
let bytes = encode_to_vec(&tx).expect("encode Transaction multi-ops");
let (decoded, _): (Transaction, usize) =
decode_from_slice(&bytes).expect("decode Transaction multi-ops");
assert_eq!(tx, decoded);
}
#[test]
fn test_consumed_bytes_equals_encoded_len() {
let op = DatabaseOp::Select {
table: String::from("test"),
limit: 10,
};
let bytes = encode_to_vec(&op).expect("encode for consumed-bytes check");
let (_, consumed): (DatabaseOp, usize) =
decode_from_slice(&bytes).expect("decode for consumed-bytes check");
assert_eq!(
consumed,
bytes.len(),
"consumed bytes must equal total encoded length"
);
}
#[test]
fn test_vec_of_database_ops_roundtrip() {
let ops: Vec<DatabaseOp> = vec![
DatabaseOp::BeginTx,
DatabaseOp::CreateTable {
name: String::from("events"),
columns: vec![String::from("id"), String::from("ts")],
},
DatabaseOp::Insert {
table: String::from("events"),
data: vec![1, 2, 3],
},
DatabaseOp::Commit,
];
let bytes = encode_to_vec(&ops).expect("encode Vec<DatabaseOp>");
let (decoded, _): (Vec<DatabaseOp>, usize) =
decode_from_slice(&bytes).expect("decode Vec<DatabaseOp>");
assert_eq!(ops, decoded);
}
#[test]
fn test_vec_of_query_results_roundtrip() {
let results: Vec<QueryResult> = vec![
QueryResult::Empty,
QueryResult::Ok { rows_affected: 5 },
QueryResult::Rows(vec![vec![0x00], vec![0x01, 0x02]]),
QueryResult::Error {
code: 42,
message: String::from("oops"),
},
];
let bytes = encode_to_vec(&results).expect("encode Vec<QueryResult>");
let (decoded, _): (Vec<QueryResult>, usize) =
decode_from_slice(&bytes).expect("decode Vec<QueryResult>");
assert_eq!(results, decoded);
}
#[test]
fn test_config_legacy_database_op() {
let op = DatabaseOp::Update {
table: String::from("cfg_test"),
key: 0xDEAD_BEEF_u64,
data: vec![9, 8, 7],
};
let cfg = config::legacy();
let bytes = encode_to_vec_with_config(&op, cfg).expect("encode DatabaseOp with legacy config");
let (decoded, _): (DatabaseOp, usize) =
decode_from_slice_with_config(&bytes, cfg).expect("decode DatabaseOp with legacy config");
assert_eq!(op, decoded);
}
#[test]
fn test_config_legacy_transaction() {
let tx = Transaction {
tx_id: 100_u64,
ops: vec![DatabaseOp::DropTable(String::from("old"))],
result: Some(QueryResult::Empty),
};
let cfg = config::legacy();
let bytes = encode_to_vec_with_config(&tx, cfg).expect("encode Transaction with legacy config");
let (decoded, _): (Transaction, usize) =
decode_from_slice_with_config(&bytes, cfg).expect("decode Transaction with legacy config");
assert_eq!(tx, decoded);
}
#[test]
fn test_discriminant_unit_variants_differ() {
let begin_bytes = encode_to_vec(&DatabaseOp::BeginTx).expect("encode BeginTx");
let commit_bytes = encode_to_vec(&DatabaseOp::Commit).expect("encode Commit");
let rollback_bytes = encode_to_vec(&DatabaseOp::Rollback).expect("encode Rollback");
assert_ne!(
begin_bytes, commit_bytes,
"BeginTx and Commit must have different discriminants"
);
assert_ne!(
commit_bytes, rollback_bytes,
"Commit and Rollback must have different discriminants"
);
assert_ne!(
begin_bytes, rollback_bytes,
"BeginTx and Rollback must have different discriminants"
);
}
#[test]
fn test_discriminant_query_result_variants_differ() {
let ok_bytes = encode_to_vec(&QueryResult::Ok { rows_affected: 0 }).expect("encode Ok");
let empty_bytes = encode_to_vec(&QueryResult::Empty).expect("encode Empty");
let rows_bytes = encode_to_vec(&QueryResult::Rows(vec![])).expect("encode Rows");
assert_ne!(
ok_bytes, empty_bytes,
"Ok and Empty discriminants must differ"
);
assert_ne!(
ok_bytes, rows_bytes,
"Ok and Rows discriminants must differ"
);
assert_ne!(
empty_bytes, rows_bytes,
"Empty and Rows discriminants must differ"
);
}
#[test]
fn test_empty_collections_in_variants() {
let op_empty_data = DatabaseOp::Insert {
table: String::from("empty_insert"),
data: vec![],
};
let op_empty_cols = DatabaseOp::CreateTable {
name: String::from("no_columns"),
columns: vec![],
};
let result_empty_rows = QueryResult::Rows(vec![]);
let tx_empty_ops = Transaction {
tx_id: 0_u64,
ops: vec![],
result: None,
};
for label in [
"empty insert data",
"empty columns",
"empty rows",
"empty ops tx",
] {
let bytes = match label {
"empty insert data" => encode_to_vec(&op_empty_data).expect(label),
"empty columns" => encode_to_vec(&op_empty_cols).expect(label),
"empty rows" => encode_to_vec(&result_empty_rows).expect(label),
"empty ops tx" => encode_to_vec(&tx_empty_ops).expect(label),
_ => unreachable!(),
};
assert!(
!bytes.is_empty(),
"encoded bytes must not be empty for {label}"
);
}
let (dec_insert, _): (DatabaseOp, usize) =
decode_from_slice(&encode_to_vec(&op_empty_data).expect("enc")).expect("dec empty insert");
assert_eq!(op_empty_data, dec_insert);
let (dec_create, _): (DatabaseOp, usize) =
decode_from_slice(&encode_to_vec(&op_empty_cols).expect("enc")).expect("dec empty cols");
assert_eq!(op_empty_cols, dec_create);
let (dec_rows, _): (QueryResult, usize) =
decode_from_slice(&encode_to_vec(&result_empty_rows).expect("enc"))
.expect("dec empty rows");
assert_eq!(result_empty_rows, dec_rows);
let (dec_tx, _): (Transaction, usize) =
decode_from_slice(&encode_to_vec(&tx_empty_ops).expect("enc")).expect("dec empty ops tx");
assert_eq!(tx_empty_ops, dec_tx);
}