1800 lines
40 KiB
Rust
1800 lines
40 KiB
Rust
#![deny(trivial_numeric_casts)]
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#![cfg_attr(feature = "cargo-clippy", allow(renamed_and_removed_lints))]
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#![cfg_attr(feature = "cargo-clippy", allow(redundant_field_names))]
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mod bytes;
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use serde::{Deserialize, Serialize};
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use serde_test::{
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assert_de_tokens, assert_de_tokens_error, assert_ser_tokens, assert_tokens, Token,
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};
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use std::collections::BTreeMap;
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use std::marker::PhantomData;
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// That tests that the derived Serialize implementation doesn't trigger
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// any warning about `serializer` not being used, in case of empty enums.
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#[derive(Serialize)]
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#[allow(dead_code)]
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#[deny(unused_variables)]
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enum Void {}
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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struct NamedUnit;
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#[derive(Debug, PartialEq, Serialize)]
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struct SerNamedTuple<'a, 'b, A: 'a, B: 'b, C>(&'a A, &'b mut B, C);
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#[derive(Debug, PartialEq, Deserialize)]
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struct DeNamedTuple<A, B, C>(A, B, C);
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#[derive(Debug, PartialEq, Serialize)]
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struct SerNamedMap<'a, 'b, A: 'a, B: 'b, C> {
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a: &'a A,
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b: &'b mut B,
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c: C,
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}
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#[derive(Debug, PartialEq, Deserialize)]
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struct DeNamedMap<A, B, C> {
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a: A,
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b: B,
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c: C,
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}
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#[derive(Debug, PartialEq, Serialize)]
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enum SerEnum<'a, B: 'a, C: 'a, D>
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where
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D: 'a,
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{
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Unit,
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Seq(i8, B, &'a C, &'a mut D),
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Map { a: i8, b: B, c: &'a C, d: &'a mut D },
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// Make sure we can support more than one variant.
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_Unit2,
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_Seq2(i8, B, &'a C, &'a mut D),
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_Map2 { a: i8, b: B, c: &'a C, d: &'a mut D },
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}
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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enum DeEnum<B, C, D> {
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Unit,
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Seq(i8, B, C, D),
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Map { a: i8, b: B, c: C, d: D },
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// Make sure we can support more than one variant.
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_Unit2,
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_Seq2(i8, B, C, D),
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_Map2 { a: i8, b: B, c: C, d: D },
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}
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#[derive(Serialize)]
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enum Lifetimes<'a> {
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LifetimeSeq(&'a i32),
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NoLifetimeSeq(i32),
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LifetimeMap { a: &'a i32 },
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NoLifetimeMap { a: i32 },
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}
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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pub struct GenericStruct<T> {
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x: T,
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}
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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pub struct GenericNewTypeStruct<T>(T);
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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pub struct GenericTupleStruct<T, U>(T, U);
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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pub enum GenericEnum<T, U> {
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Unit,
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NewType(T),
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Seq(T, U),
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Map { x: T, y: U },
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}
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trait AssociatedType {
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type X;
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}
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impl AssociatedType for i32 {
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type X = i32;
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}
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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struct DefaultTyParam<T: AssociatedType<X = i32> = i32> {
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phantom: PhantomData<T>,
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}
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#[test]
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fn test_named_unit() {
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assert_tokens(&NamedUnit, &[Token::UnitStruct { name: "NamedUnit" }]);
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}
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#[test]
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fn test_ser_named_tuple() {
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let a = 5;
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let mut b = 6;
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let c = 7;
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assert_ser_tokens(
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&SerNamedTuple(&a, &mut b, c),
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&[
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Token::TupleStruct {
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name: "SerNamedTuple",
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len: 3,
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},
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Token::I32(5),
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Token::I32(6),
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Token::I32(7),
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Token::TupleStructEnd,
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],
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);
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}
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#[test]
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fn test_de_named_tuple() {
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assert_de_tokens(
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&DeNamedTuple(5, 6, 7),
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&[
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Token::Seq { len: Some(3) },
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Token::I32(5),
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Token::I32(6),
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Token::I32(7),
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Token::SeqEnd,
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],
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);
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assert_de_tokens(
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&DeNamedTuple(5, 6, 7),
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&[
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Token::TupleStruct {
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name: "DeNamedTuple",
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len: 3,
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},
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Token::I32(5),
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Token::I32(6),
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Token::I32(7),
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Token::TupleStructEnd,
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],
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);
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}
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#[test]
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fn test_ser_named_map() {
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let a = 5;
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let mut b = 6;
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let c = 7;
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assert_ser_tokens(
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&SerNamedMap {
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a: &a,
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b: &mut b,
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c: c,
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},
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&[
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Token::Struct {
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name: "SerNamedMap",
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len: 3,
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},
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Token::Str("a"),
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Token::I32(5),
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Token::Str("b"),
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Token::I32(6),
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Token::Str("c"),
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Token::I32(7),
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Token::StructEnd,
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],
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);
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}
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#[test]
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fn test_de_named_map() {
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assert_de_tokens(
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&DeNamedMap { a: 5, b: 6, c: 7 },
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&[
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Token::Struct {
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name: "DeNamedMap",
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len: 3,
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},
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Token::Str("a"),
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Token::I32(5),
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Token::Str("b"),
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Token::I32(6),
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Token::Str("c"),
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Token::I32(7),
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Token::StructEnd,
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],
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);
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}
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#[test]
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fn test_ser_enum_unit() {
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assert_ser_tokens(
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&SerEnum::Unit::<u32, u32, u32>,
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&[Token::UnitVariant {
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name: "SerEnum",
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variant: "Unit",
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}],
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);
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}
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#[test]
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fn test_ser_enum_seq() {
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let a = 1;
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let b = 2;
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let c = 3;
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let mut d = 4;
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assert_ser_tokens(
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&SerEnum::Seq(a, b, &c, &mut d),
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&[
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Token::TupleVariant {
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name: "SerEnum",
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variant: "Seq",
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len: 4,
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},
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Token::I8(1),
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Token::I32(2),
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Token::I32(3),
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Token::I32(4),
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Token::TupleVariantEnd,
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],
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);
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}
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#[test]
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fn test_ser_enum_map() {
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let a = 1;
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let b = 2;
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let c = 3;
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let mut d = 4;
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assert_ser_tokens(
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&SerEnum::Map {
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a: a,
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b: b,
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c: &c,
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d: &mut d,
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},
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&[
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Token::StructVariant {
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name: "SerEnum",
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variant: "Map",
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len: 4,
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},
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Token::Str("a"),
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Token::I8(1),
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Token::Str("b"),
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Token::I32(2),
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Token::Str("c"),
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Token::I32(3),
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Token::Str("d"),
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Token::I32(4),
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Token::StructVariantEnd,
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],
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);
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}
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#[test]
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fn test_de_enum_unit() {
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assert_tokens(
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&DeEnum::Unit::<u32, u32, u32>,
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&[Token::UnitVariant {
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name: "DeEnum",
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variant: "Unit",
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}],
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);
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}
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#[test]
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fn test_de_enum_seq() {
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let a = 1;
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let b = 2;
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let c = 3;
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let d = 4;
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assert_tokens(
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&DeEnum::Seq(a, b, c, d),
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&[
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Token::TupleVariant {
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name: "DeEnum",
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variant: "Seq",
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len: 4,
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},
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Token::I8(1),
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Token::I32(2),
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Token::I32(3),
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Token::I32(4),
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Token::TupleVariantEnd,
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],
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);
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}
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#[test]
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fn test_de_enum_map() {
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let a = 1;
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let b = 2;
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let c = 3;
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let d = 4;
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assert_tokens(
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&DeEnum::Map {
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a: a,
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b: b,
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c: c,
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d: d,
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},
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&[
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Token::StructVariant {
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name: "DeEnum",
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variant: "Map",
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len: 4,
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},
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Token::Str("a"),
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Token::I8(1),
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Token::Str("b"),
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Token::I32(2),
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Token::Str("c"),
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Token::I32(3),
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Token::Str("d"),
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Token::I32(4),
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Token::StructVariantEnd,
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],
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);
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}
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#[test]
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fn test_lifetimes() {
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let value = 5;
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assert_ser_tokens(
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&Lifetimes::LifetimeSeq(&value),
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&[
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Token::NewtypeVariant {
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name: "Lifetimes",
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variant: "LifetimeSeq",
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},
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Token::I32(5),
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],
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);
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assert_ser_tokens(
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&Lifetimes::NoLifetimeSeq(5),
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&[
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Token::NewtypeVariant {
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name: "Lifetimes",
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variant: "NoLifetimeSeq",
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},
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Token::I32(5),
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],
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);
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assert_ser_tokens(
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&Lifetimes::LifetimeMap { a: &value },
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&[
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Token::StructVariant {
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name: "Lifetimes",
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variant: "LifetimeMap",
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len: 1,
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},
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Token::Str("a"),
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Token::I32(5),
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Token::StructVariantEnd,
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],
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);
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assert_ser_tokens(
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&Lifetimes::NoLifetimeMap { a: 5 },
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&[
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Token::StructVariant {
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name: "Lifetimes",
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variant: "NoLifetimeMap",
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len: 1,
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},
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Token::Str("a"),
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Token::I32(5),
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Token::StructVariantEnd,
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],
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);
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}
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#[test]
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fn test_generic_struct() {
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assert_tokens(
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&GenericStruct { x: 5u32 },
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&[
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Token::Struct {
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name: "GenericStruct",
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len: 1,
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},
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Token::Str("x"),
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Token::U32(5),
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Token::StructEnd,
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],
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);
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}
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#[test]
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fn test_generic_newtype_struct() {
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assert_tokens(
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&GenericNewTypeStruct(5u32),
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&[
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Token::NewtypeStruct {
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name: "GenericNewTypeStruct",
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},
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Token::U32(5),
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],
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);
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}
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#[test]
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fn test_untagged_newtype_struct() {
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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#[serde(untagged)]
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enum E {
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Newtype(GenericNewTypeStruct<u32>),
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Null,
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}
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assert_tokens(
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&E::Newtype(GenericNewTypeStruct(5u32)),
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&[
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Token::NewtypeStruct {
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name: "GenericNewTypeStruct",
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},
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Token::U32(5),
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],
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);
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}
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#[test]
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fn test_adjacently_tagged_newtype_struct() {
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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#[serde(tag = "t", content = "c")]
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enum E {
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Newtype(GenericNewTypeStruct<u32>),
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Null,
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}
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assert_de_tokens(
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&E::Newtype(GenericNewTypeStruct(5u32)),
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&[
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Token::Struct { name: "E", len: 2 },
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Token::Str("c"),
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Token::NewtypeStruct {
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name: "GenericNewTypeStruct",
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},
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Token::U32(5),
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Token::Str("t"),
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Token::Str("Newtype"),
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Token::StructEnd,
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],
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);
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}
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#[test]
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fn test_generic_tuple_struct() {
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assert_tokens(
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&GenericTupleStruct(5u32, 6u32),
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&[
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Token::TupleStruct {
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name: "GenericTupleStruct",
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len: 2,
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},
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Token::U32(5),
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Token::U32(6),
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Token::TupleStructEnd,
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],
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);
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}
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#[test]
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fn test_generic_enum_unit() {
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assert_tokens(
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&GenericEnum::Unit::<u32, u32>,
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&[Token::UnitVariant {
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name: "GenericEnum",
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variant: "Unit",
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}],
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);
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}
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#[test]
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fn test_generic_enum_newtype() {
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assert_tokens(
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&GenericEnum::NewType::<u32, u32>(5),
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&[
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Token::NewtypeVariant {
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name: "GenericEnum",
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variant: "NewType",
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},
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Token::U32(5),
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],
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);
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}
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#[test]
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fn test_generic_enum_seq() {
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assert_tokens(
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&GenericEnum::Seq::<u32, u32>(5, 6),
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&[
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Token::TupleVariant {
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name: "GenericEnum",
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variant: "Seq",
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len: 2,
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},
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Token::U32(5),
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Token::U32(6),
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Token::TupleVariantEnd,
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],
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);
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}
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|
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#[test]
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fn test_generic_enum_map() {
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assert_tokens(
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&GenericEnum::Map::<u32, u32> { x: 5, y: 6 },
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&[
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Token::StructVariant {
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name: "GenericEnum",
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variant: "Map",
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len: 2,
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},
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Token::Str("x"),
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Token::U32(5),
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Token::Str("y"),
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Token::U32(6),
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Token::StructVariantEnd,
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],
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);
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}
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|
|
#[test]
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|
fn test_default_ty_param() {
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assert_tokens(
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&DefaultTyParam::<i32> {
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phantom: PhantomData,
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},
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|
&[
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|
Token::Struct {
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name: "DefaultTyParam",
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|
len: 1,
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},
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Token::Str("phantom"),
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|
Token::UnitStruct {
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name: "PhantomData",
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},
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Token::StructEnd,
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],
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);
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}
|
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|
|
#[test]
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|
fn test_enum_state_field() {
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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enum SomeEnum {
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Key { key: char, state: bool },
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}
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assert_tokens(
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&SomeEnum::Key {
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key: 'a',
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state: true,
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},
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&[
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Token::StructVariant {
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name: "SomeEnum",
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variant: "Key",
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len: 2,
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},
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Token::Str("key"),
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Token::Char('a'),
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Token::Str("state"),
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Token::Bool(true),
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Token::StructVariantEnd,
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],
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);
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}
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|
|
#[test]
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|
fn test_untagged_enum() {
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
#[serde(untagged)]
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|
enum Untagged {
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|
A { a: u8 },
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B { b: u8 },
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|
C,
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D(u8),
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E(String),
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F(u8, u8),
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}
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|
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assert_tokens(
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&Untagged::A { a: 1 },
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&[
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Token::Struct {
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|
name: "Untagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("a"),
|
|
Token::U8(1),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_tokens(
|
|
&Untagged::B { b: 2 },
|
|
&[
|
|
Token::Struct {
|
|
name: "Untagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("b"),
|
|
Token::U8(2),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_tokens(&Untagged::C, &[Token::Unit]);
|
|
|
|
assert_tokens(&Untagged::D(4), &[Token::U8(4)]);
|
|
assert_tokens(&Untagged::E("e".to_owned()), &[Token::Str("e")]);
|
|
|
|
assert_tokens(
|
|
&Untagged::F(1, 2),
|
|
&[
|
|
Token::Tuple { len: 2 },
|
|
Token::U8(1),
|
|
Token::U8(2),
|
|
Token::TupleEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens_error::<Untagged>(
|
|
&[Token::None],
|
|
"data did not match any variant of untagged enum Untagged",
|
|
);
|
|
|
|
assert_de_tokens_error::<Untagged>(
|
|
&[Token::Tuple { len: 1 }, Token::U8(1), Token::TupleEnd],
|
|
"data did not match any variant of untagged enum Untagged",
|
|
);
|
|
|
|
assert_de_tokens_error::<Untagged>(
|
|
&[
|
|
Token::Tuple { len: 3 },
|
|
Token::U8(1),
|
|
Token::U8(2),
|
|
Token::U8(3),
|
|
Token::TupleEnd,
|
|
],
|
|
"data did not match any variant of untagged enum Untagged",
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_internally_tagged_enum() {
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
struct Newtype(BTreeMap<String, String>);
|
|
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
struct Struct {
|
|
f: u8,
|
|
}
|
|
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
#[serde(tag = "type")]
|
|
enum InternallyTagged {
|
|
A { a: u8 },
|
|
B,
|
|
C(BTreeMap<String, String>),
|
|
D(Newtype),
|
|
E(Struct),
|
|
}
|
|
|
|
assert_tokens(
|
|
&InternallyTagged::A { a: 1 },
|
|
&[
|
|
Token::Struct {
|
|
name: "InternallyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("A"),
|
|
Token::Str("a"),
|
|
Token::U8(1),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&InternallyTagged::A { a: 1 },
|
|
&[
|
|
Token::Seq { len: Some(2) },
|
|
Token::Str("A"),
|
|
Token::U8(1),
|
|
Token::SeqEnd,
|
|
],
|
|
);
|
|
|
|
assert_tokens(
|
|
&InternallyTagged::B,
|
|
&[
|
|
Token::Struct {
|
|
name: "InternallyTagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("B"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&InternallyTagged::B,
|
|
&[Token::Seq { len: Some(1) }, Token::Str("B"), Token::SeqEnd],
|
|
);
|
|
|
|
assert_tokens(
|
|
&InternallyTagged::C(BTreeMap::new()),
|
|
&[
|
|
Token::Map { len: Some(1) },
|
|
Token::Str("type"),
|
|
Token::Str("C"),
|
|
Token::MapEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens_error::<InternallyTagged>(
|
|
&[
|
|
Token::Seq { len: Some(2) },
|
|
Token::Str("C"),
|
|
Token::Map { len: Some(0) },
|
|
Token::MapEnd,
|
|
Token::SeqEnd,
|
|
],
|
|
"invalid type: sequence, expected a map",
|
|
);
|
|
|
|
assert_tokens(
|
|
&InternallyTagged::D(Newtype(BTreeMap::new())),
|
|
&[
|
|
Token::Map { len: Some(1) },
|
|
Token::Str("type"),
|
|
Token::Str("D"),
|
|
Token::MapEnd,
|
|
],
|
|
);
|
|
|
|
assert_tokens(
|
|
&InternallyTagged::E(Struct { f: 6 }),
|
|
&[
|
|
Token::Struct {
|
|
name: "Struct",
|
|
len: 2,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("E"),
|
|
Token::Str("f"),
|
|
Token::U8(6),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&InternallyTagged::E(Struct { f: 6 }),
|
|
&[
|
|
Token::Seq { len: Some(2) },
|
|
Token::Str("E"),
|
|
Token::U8(6),
|
|
Token::SeqEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens_error::<InternallyTagged>(
|
|
&[Token::Map { len: Some(0) }, Token::MapEnd],
|
|
"missing field `type`",
|
|
);
|
|
|
|
assert_de_tokens_error::<InternallyTagged>(
|
|
&[
|
|
Token::Map { len: Some(1) },
|
|
Token::Str("type"),
|
|
Token::Str("Z"),
|
|
Token::MapEnd,
|
|
],
|
|
"unknown variant `Z`, expected one of `A`, `B`, `C`, `D`, `E`",
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_internally_tagged_bytes() {
|
|
#[derive(Debug, PartialEq, Deserialize)]
|
|
#[serde(tag = "type")]
|
|
enum InternallyTagged {
|
|
String {
|
|
string: String,
|
|
},
|
|
Bytes {
|
|
#[serde(with = "bytes")]
|
|
bytes: Vec<u8>,
|
|
},
|
|
}
|
|
|
|
assert_de_tokens(
|
|
&InternallyTagged::String {
|
|
string: "\0".to_owned(),
|
|
},
|
|
&[
|
|
Token::Struct {
|
|
name: "String",
|
|
len: 2,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("String"),
|
|
Token::Str("string"),
|
|
Token::Str("\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&InternallyTagged::String {
|
|
string: "\0".to_owned(),
|
|
},
|
|
&[
|
|
Token::Struct {
|
|
name: "String",
|
|
len: 2,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("String"),
|
|
Token::Str("string"),
|
|
Token::String("\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&InternallyTagged::String {
|
|
string: "\0".to_owned(),
|
|
},
|
|
&[
|
|
Token::Struct {
|
|
name: "String",
|
|
len: 2,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("String"),
|
|
Token::Str("string"),
|
|
Token::Bytes(b"\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&InternallyTagged::String {
|
|
string: "\0".to_owned(),
|
|
},
|
|
&[
|
|
Token::Struct {
|
|
name: "String",
|
|
len: 2,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("String"),
|
|
Token::Str("string"),
|
|
Token::ByteBuf(b"\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&InternallyTagged::Bytes { bytes: vec![0] },
|
|
&[
|
|
Token::Struct {
|
|
name: "Bytes",
|
|
len: 2,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("Bytes"),
|
|
Token::Str("bytes"),
|
|
Token::Str("\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&InternallyTagged::Bytes { bytes: vec![0] },
|
|
&[
|
|
Token::Struct {
|
|
name: "Bytes",
|
|
len: 2,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("Bytes"),
|
|
Token::Str("bytes"),
|
|
Token::String("\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&InternallyTagged::Bytes { bytes: vec![0] },
|
|
&[
|
|
Token::Struct {
|
|
name: "Bytes",
|
|
len: 2,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("Bytes"),
|
|
Token::Str("bytes"),
|
|
Token::Bytes(b"\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&InternallyTagged::Bytes { bytes: vec![0] },
|
|
&[
|
|
Token::Struct {
|
|
name: "Bytes",
|
|
len: 2,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("Bytes"),
|
|
Token::Str("bytes"),
|
|
Token::ByteBuf(b"\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&InternallyTagged::Bytes { bytes: vec![0] },
|
|
&[
|
|
Token::Struct {
|
|
name: "Bytes",
|
|
len: 2,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("Bytes"),
|
|
Token::Str("bytes"),
|
|
Token::Seq { len: Some(1) },
|
|
Token::U8(0),
|
|
Token::SeqEnd,
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_internally_tagged_struct_variant_containing_unit_variant() {
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
pub enum Level {
|
|
Info,
|
|
}
|
|
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
#[serde(tag = "action")]
|
|
pub enum Message {
|
|
Log { level: Level },
|
|
}
|
|
|
|
assert_de_tokens(
|
|
&Message::Log { level: Level::Info },
|
|
&[
|
|
Token::Struct {
|
|
name: "Message",
|
|
len: 2,
|
|
},
|
|
Token::Str("action"),
|
|
Token::Str("Log"),
|
|
Token::Str("level"),
|
|
Token::BorrowedStr("Info"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_internally_tagged_borrow() {
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
#[serde(tag = "type")]
|
|
pub enum Input<'a> {
|
|
Package { name: &'a str },
|
|
}
|
|
|
|
assert_tokens(
|
|
&Input::Package { name: "borrowed" },
|
|
&[
|
|
Token::Struct {
|
|
name: "Input",
|
|
len: 2,
|
|
},
|
|
Token::BorrowedStr("type"),
|
|
Token::BorrowedStr("Package"),
|
|
Token::BorrowedStr("name"),
|
|
Token::BorrowedStr("borrowed"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_adjacently_tagged_enum() {
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
#[serde(tag = "t", content = "c")]
|
|
enum AdjacentlyTagged<T> {
|
|
Unit,
|
|
Newtype(T),
|
|
Tuple(u8, u8),
|
|
Struct { f: u8 },
|
|
}
|
|
|
|
// unit with no content
|
|
assert_ser_tokens(
|
|
&AdjacentlyTagged::Unit::<u8>,
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("t"),
|
|
Token::Str("Unit"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
// unit with no content
|
|
assert_de_tokens(
|
|
&AdjacentlyTagged::Unit::<u8>,
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("t"),
|
|
Token::Str("Unit"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
// unit with tag first
|
|
assert_de_tokens(
|
|
&AdjacentlyTagged::Unit::<u8>,
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("t"),
|
|
Token::Str("Unit"),
|
|
Token::Str("c"),
|
|
Token::Unit,
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
// unit with content first
|
|
assert_de_tokens(
|
|
&AdjacentlyTagged::Unit::<u8>,
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("c"),
|
|
Token::Unit,
|
|
Token::Str("t"),
|
|
Token::Str("Unit"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
// unit with excess content (f, g, h)
|
|
assert_de_tokens(
|
|
&AdjacentlyTagged::Unit::<u8>,
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("f"),
|
|
Token::Unit,
|
|
Token::Str("t"),
|
|
Token::Str("Unit"),
|
|
Token::Str("g"),
|
|
Token::Unit,
|
|
Token::Str("c"),
|
|
Token::Unit,
|
|
Token::Str("h"),
|
|
Token::Unit,
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
// newtype with tag first
|
|
assert_tokens(
|
|
&AdjacentlyTagged::Newtype::<u8>(1),
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("t"),
|
|
Token::Str("Newtype"),
|
|
Token::Str("c"),
|
|
Token::U8(1),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
// newtype with content first
|
|
assert_de_tokens(
|
|
&AdjacentlyTagged::Newtype::<u8>(1),
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("c"),
|
|
Token::U8(1),
|
|
Token::Str("t"),
|
|
Token::Str("Newtype"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
// tuple with tag first
|
|
assert_tokens(
|
|
&AdjacentlyTagged::Tuple::<u8>(1, 1),
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("t"),
|
|
Token::Str("Tuple"),
|
|
Token::Str("c"),
|
|
Token::Tuple { len: 2 },
|
|
Token::U8(1),
|
|
Token::U8(1),
|
|
Token::TupleEnd,
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
// tuple with content first
|
|
assert_de_tokens(
|
|
&AdjacentlyTagged::Tuple::<u8>(1, 1),
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("c"),
|
|
Token::Tuple { len: 2 },
|
|
Token::U8(1),
|
|
Token::U8(1),
|
|
Token::TupleEnd,
|
|
Token::Str("t"),
|
|
Token::Str("Tuple"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
// struct with tag first
|
|
assert_tokens(
|
|
&AdjacentlyTagged::Struct::<u8> { f: 1 },
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("t"),
|
|
Token::Str("Struct"),
|
|
Token::Str("c"),
|
|
Token::Struct {
|
|
name: "Struct",
|
|
len: 1,
|
|
},
|
|
Token::Str("f"),
|
|
Token::U8(1),
|
|
Token::StructEnd,
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
// struct with content first
|
|
assert_de_tokens(
|
|
&AdjacentlyTagged::Struct::<u8> { f: 1 },
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("c"),
|
|
Token::Struct {
|
|
name: "Struct",
|
|
len: 1,
|
|
},
|
|
Token::Str("f"),
|
|
Token::U8(1),
|
|
Token::StructEnd,
|
|
Token::Str("t"),
|
|
Token::Str("Struct"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_adjacently_tagged_enum_deny_unknown_fields() {
|
|
#[derive(Debug, PartialEq, Deserialize)]
|
|
#[serde(tag = "t", content = "c", deny_unknown_fields)]
|
|
enum AdjacentlyTagged {
|
|
Unit,
|
|
}
|
|
|
|
assert_de_tokens(
|
|
&AdjacentlyTagged::Unit,
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("t"),
|
|
Token::Str("Unit"),
|
|
Token::Str("c"),
|
|
Token::Unit,
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens_error::<AdjacentlyTagged>(
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("t"),
|
|
Token::Str("Unit"),
|
|
Token::Str("c"),
|
|
Token::Unit,
|
|
Token::Str("h"),
|
|
],
|
|
r#"invalid value: string "h", expected "t" or "c""#,
|
|
);
|
|
|
|
assert_de_tokens_error::<AdjacentlyTagged>(
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("h"),
|
|
],
|
|
r#"invalid value: string "h", expected "t" or "c""#,
|
|
);
|
|
|
|
assert_de_tokens_error::<AdjacentlyTagged>(
|
|
&[
|
|
Token::Struct {
|
|
name: "AdjacentlyTagged",
|
|
len: 2,
|
|
},
|
|
Token::Str("c"),
|
|
Token::Unit,
|
|
Token::Str("h"),
|
|
],
|
|
r#"invalid value: string "h", expected "t" or "c""#,
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_enum_in_internally_tagged_enum() {
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
#[serde(tag = "type")]
|
|
enum Outer {
|
|
Inner(Inner),
|
|
}
|
|
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
enum Inner {
|
|
Unit,
|
|
Newtype(u8),
|
|
Tuple(u8, u8),
|
|
Struct { f: u8 },
|
|
}
|
|
|
|
assert_tokens(
|
|
&Outer::Inner(Inner::Unit),
|
|
&[
|
|
Token::Map { len: Some(2) },
|
|
Token::Str("type"),
|
|
Token::Str("Inner"),
|
|
Token::Str("Unit"),
|
|
Token::Unit,
|
|
Token::MapEnd,
|
|
],
|
|
);
|
|
|
|
assert_tokens(
|
|
&Outer::Inner(Inner::Newtype(1)),
|
|
&[
|
|
Token::Map { len: Some(2) },
|
|
Token::Str("type"),
|
|
Token::Str("Inner"),
|
|
Token::Str("Newtype"),
|
|
Token::U8(1),
|
|
Token::MapEnd,
|
|
],
|
|
);
|
|
|
|
assert_tokens(
|
|
&Outer::Inner(Inner::Tuple(1, 1)),
|
|
&[
|
|
Token::Map { len: Some(2) },
|
|
Token::Str("type"),
|
|
Token::Str("Inner"),
|
|
Token::Str("Tuple"),
|
|
Token::TupleStruct {
|
|
name: "Tuple",
|
|
len: 2,
|
|
},
|
|
Token::U8(1),
|
|
Token::U8(1),
|
|
Token::TupleStructEnd,
|
|
Token::MapEnd,
|
|
],
|
|
);
|
|
|
|
assert_tokens(
|
|
&Outer::Inner(Inner::Struct { f: 1 }),
|
|
&[
|
|
Token::Map { len: Some(2) },
|
|
Token::Str("type"),
|
|
Token::Str("Inner"),
|
|
Token::Str("Struct"),
|
|
Token::Struct {
|
|
name: "Struct",
|
|
len: 1,
|
|
},
|
|
Token::Str("f"),
|
|
Token::U8(1),
|
|
Token::StructEnd,
|
|
Token::MapEnd,
|
|
],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_internally_tagged_struct() {
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
#[serde(tag = "type")]
|
|
pub struct Struct {
|
|
a: u8,
|
|
}
|
|
|
|
assert_tokens(
|
|
&Struct { a: 1 },
|
|
&[
|
|
Token::Struct {
|
|
name: "Struct",
|
|
len: 2,
|
|
},
|
|
Token::Str("type"),
|
|
Token::Str("Struct"),
|
|
Token::Str("a"),
|
|
Token::U8(1),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&Struct { a: 1 },
|
|
&[
|
|
Token::Struct {
|
|
name: "Struct",
|
|
len: 1,
|
|
},
|
|
Token::Str("a"),
|
|
Token::U8(1),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_internally_tagged_braced_struct_with_zero_fields() {
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
#[serde(tag = "type")]
|
|
struct S {}
|
|
|
|
assert_tokens(
|
|
&S {},
|
|
&[
|
|
Token::Struct { name: "S", len: 1 },
|
|
Token::Str("type"),
|
|
Token::Str("S"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_enum_in_untagged_enum() {
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
#[serde(untagged)]
|
|
enum Outer {
|
|
Inner(Inner),
|
|
}
|
|
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
enum Inner {
|
|
Unit,
|
|
Newtype(u8),
|
|
Tuple(u8, u8),
|
|
Struct { f: u8 },
|
|
}
|
|
|
|
assert_tokens(
|
|
&Outer::Inner(Inner::Unit),
|
|
&[Token::UnitVariant {
|
|
name: "Inner",
|
|
variant: "Unit",
|
|
}],
|
|
);
|
|
|
|
assert_tokens(
|
|
&Outer::Inner(Inner::Newtype(1)),
|
|
&[
|
|
Token::NewtypeVariant {
|
|
name: "Inner",
|
|
variant: "Newtype",
|
|
},
|
|
Token::U8(1),
|
|
],
|
|
);
|
|
|
|
assert_tokens(
|
|
&Outer::Inner(Inner::Tuple(1, 1)),
|
|
&[
|
|
Token::TupleVariant {
|
|
name: "Inner",
|
|
variant: "Tuple",
|
|
len: 2,
|
|
},
|
|
Token::U8(1),
|
|
Token::U8(1),
|
|
Token::TupleVariantEnd,
|
|
],
|
|
);
|
|
|
|
assert_tokens(
|
|
&Outer::Inner(Inner::Struct { f: 1 }),
|
|
&[
|
|
Token::StructVariant {
|
|
name: "Inner",
|
|
variant: "Struct",
|
|
len: 1,
|
|
},
|
|
Token::Str("f"),
|
|
Token::U8(1),
|
|
Token::StructVariantEnd,
|
|
],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_untagged_bytes() {
|
|
#[derive(Debug, PartialEq, Deserialize)]
|
|
#[serde(untagged)]
|
|
enum Untagged {
|
|
String {
|
|
string: String,
|
|
},
|
|
Bytes {
|
|
#[serde(with = "bytes")]
|
|
bytes: Vec<u8>,
|
|
},
|
|
}
|
|
|
|
assert_de_tokens(
|
|
&Untagged::String {
|
|
string: "\0".to_owned(),
|
|
},
|
|
&[
|
|
Token::Struct {
|
|
name: "Untagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("string"),
|
|
Token::Str("\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&Untagged::String {
|
|
string: "\0".to_owned(),
|
|
},
|
|
&[
|
|
Token::Struct {
|
|
name: "Untagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("string"),
|
|
Token::String("\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&Untagged::String {
|
|
string: "\0".to_owned(),
|
|
},
|
|
&[
|
|
Token::Struct {
|
|
name: "Untagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("string"),
|
|
Token::Bytes(b"\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&Untagged::String {
|
|
string: "\0".to_owned(),
|
|
},
|
|
&[
|
|
Token::Struct {
|
|
name: "Untagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("string"),
|
|
Token::ByteBuf(b"\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&Untagged::Bytes { bytes: vec![0] },
|
|
&[
|
|
Token::Struct {
|
|
name: "Untagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("bytes"),
|
|
Token::Str("\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&Untagged::Bytes { bytes: vec![0] },
|
|
&[
|
|
Token::Struct {
|
|
name: "Untagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("bytes"),
|
|
Token::String("\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&Untagged::Bytes { bytes: vec![0] },
|
|
&[
|
|
Token::Struct {
|
|
name: "Untagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("bytes"),
|
|
Token::Bytes(b"\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&Untagged::Bytes { bytes: vec![0] },
|
|
&[
|
|
Token::Struct {
|
|
name: "Untagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("bytes"),
|
|
Token::ByteBuf(b"\0"),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_de_tokens(
|
|
&Untagged::Bytes { bytes: vec![0] },
|
|
&[
|
|
Token::Struct {
|
|
name: "Untagged",
|
|
len: 1,
|
|
},
|
|
Token::Str("bytes"),
|
|
Token::Seq { len: Some(1) },
|
|
Token::U8(0),
|
|
Token::SeqEnd,
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_rename_all() {
|
|
#[derive(Serialize, Deserialize, Debug, PartialEq)]
|
|
#[serde(rename_all = "snake_case")]
|
|
enum E {
|
|
#[serde(rename_all = "camelCase")]
|
|
Serialize {
|
|
serialize: bool,
|
|
serialize_seq: bool,
|
|
},
|
|
#[serde(rename_all = "kebab-case")]
|
|
SerializeSeq {
|
|
serialize: bool,
|
|
serialize_seq: bool,
|
|
},
|
|
#[serde(rename_all = "SCREAMING_SNAKE_CASE")]
|
|
SerializeMap {
|
|
serialize: bool,
|
|
serialize_seq: bool,
|
|
},
|
|
}
|
|
|
|
#[derive(Serialize, Deserialize, Debug, PartialEq)]
|
|
#[serde(rename_all = "PascalCase")]
|
|
struct S {
|
|
serialize: bool,
|
|
serialize_seq: bool,
|
|
}
|
|
|
|
#[derive(Serialize, Deserialize, Debug, PartialEq)]
|
|
#[serde(rename_all = "SCREAMING-KEBAB-CASE")]
|
|
struct ScreamingKebab {
|
|
serialize: bool,
|
|
serialize_seq: bool,
|
|
}
|
|
|
|
assert_tokens(
|
|
&E::Serialize {
|
|
serialize: true,
|
|
serialize_seq: true,
|
|
},
|
|
&[
|
|
Token::StructVariant {
|
|
name: "E",
|
|
variant: "serialize",
|
|
len: 2,
|
|
},
|
|
Token::Str("serialize"),
|
|
Token::Bool(true),
|
|
Token::Str("serializeSeq"),
|
|
Token::Bool(true),
|
|
Token::StructVariantEnd,
|
|
],
|
|
);
|
|
|
|
assert_tokens(
|
|
&E::SerializeSeq {
|
|
serialize: true,
|
|
serialize_seq: true,
|
|
},
|
|
&[
|
|
Token::StructVariant {
|
|
name: "E",
|
|
variant: "serialize_seq",
|
|
len: 2,
|
|
},
|
|
Token::Str("serialize"),
|
|
Token::Bool(true),
|
|
Token::Str("serialize-seq"),
|
|
Token::Bool(true),
|
|
Token::StructVariantEnd,
|
|
],
|
|
);
|
|
|
|
assert_tokens(
|
|
&E::SerializeMap {
|
|
serialize: true,
|
|
serialize_seq: true,
|
|
},
|
|
&[
|
|
Token::StructVariant {
|
|
name: "E",
|
|
variant: "serialize_map",
|
|
len: 2,
|
|
},
|
|
Token::Str("SERIALIZE"),
|
|
Token::Bool(true),
|
|
Token::Str("SERIALIZE_SEQ"),
|
|
Token::Bool(true),
|
|
Token::StructVariantEnd,
|
|
],
|
|
);
|
|
|
|
assert_tokens(
|
|
&S {
|
|
serialize: true,
|
|
serialize_seq: true,
|
|
},
|
|
&[
|
|
Token::Struct { name: "S", len: 2 },
|
|
Token::Str("Serialize"),
|
|
Token::Bool(true),
|
|
Token::Str("SerializeSeq"),
|
|
Token::Bool(true),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
|
|
assert_tokens(
|
|
&ScreamingKebab {
|
|
serialize: true,
|
|
serialize_seq: true,
|
|
},
|
|
&[
|
|
Token::Struct {
|
|
name: "ScreamingKebab",
|
|
len: 2,
|
|
},
|
|
Token::Str("SERIALIZE"),
|
|
Token::Bool(true),
|
|
Token::Str("SERIALIZE-SEQ"),
|
|
Token::Bool(true),
|
|
Token::StructEnd,
|
|
],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_untagged_newtype_variant_containing_unit_struct_not_map() {
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
struct Unit;
|
|
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
#[serde(untagged)]
|
|
enum Message {
|
|
Unit(Unit),
|
|
Map(BTreeMap<String, String>),
|
|
}
|
|
|
|
assert_tokens(
|
|
&Message::Map(BTreeMap::new()),
|
|
&[Token::Map { len: Some(0) }, Token::MapEnd],
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_internally_tagged_newtype_variant_containing_unit_struct() {
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
struct Info;
|
|
|
|
#[derive(Debug, PartialEq, Serialize, Deserialize)]
|
|
#[serde(tag = "topic")]
|
|
enum Message {
|
|
Info(Info),
|
|
}
|
|
|
|
assert_tokens(
|
|
&Message::Info(Info),
|
|
&[
|
|
Token::Map { len: Some(1) },
|
|
Token::Str("topic"),
|
|
Token::Str("Info"),
|
|
Token::MapEnd,
|
|
],
|
|
);
|
|
}
|