c4392ff256
These attributes are `#[serde(skip_serializing_if_none)]` and `#[serde(skip_serializing_if_empty)]`.
344 lines
6.8 KiB
Rust
344 lines
6.8 KiB
Rust
use std::default;
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use token::{Token, assert_tokens, assert_ser_tokens, assert_de_tokens};
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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struct Default {
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a1: i32,
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#[serde(default)]
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a2: i32,
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}
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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struct Rename {
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a1: i32,
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#[serde(rename="a3")]
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a2: i32,
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}
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#[derive(Debug, PartialEq, Serialize, Deserialize)]
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struct FormatRename {
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a1: i32,
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#[serde(rename(xml= "a4", token="a5"))]
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a2: i32,
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}
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#[derive(Debug, PartialEq, Deserialize, Serialize)]
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enum SerEnum<A> {
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Map {
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a: i8,
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#[serde(rename(xml= "c", token="d"))]
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b: A,
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},
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}
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#[derive(Debug, PartialEq, Deserialize, Serialize)]
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struct SkipSerializingFields<A: default::Default> {
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a: i8,
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#[serde(skip_serializing, default)]
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b: A,
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}
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#[derive(Debug, PartialEq, Deserialize, Serialize)]
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struct SkipSerializingIfEmptyFields<A: default::Default> {
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a: i8,
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#[serde(skip_serializing_if_empty, default)]
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b: Vec<A>,
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}
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#[derive(Debug, PartialEq, Deserialize, Serialize)]
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struct SkipSerializingIfNoneFields<A: default::Default> {
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a: i8,
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#[serde(skip_serializing_if_none, default)]
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b: Option<A>,
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}
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#[test]
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fn test_default() {
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assert_de_tokens(
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&Default { a1: 1, a2: 2 },
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vec![
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Token::StructStart("Default", Some(2)),
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Token::MapSep,
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Token::Str("a1"),
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Token::I32(1),
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Token::MapSep,
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Token::Str("a2"),
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Token::I32(2),
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Token::MapEnd,
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]
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);
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assert_de_tokens(
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&Default { a1: 1, a2: 0 },
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vec![
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Token::StructStart("Default", Some(1)),
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Token::MapSep,
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Token::Str("a1"),
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Token::I32(1),
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Token::MapEnd,
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]
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);
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}
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#[test]
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fn test_rename() {
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assert_tokens(
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&Rename { a1: 1, a2: 2 },
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vec![
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Token::StructStart("Rename", Some(2)),
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Token::MapSep,
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Token::Str("a1"),
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Token::I32(1),
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Token::MapSep,
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Token::Str("a3"),
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Token::I32(2),
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Token::MapEnd,
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]
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);
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}
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#[test]
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fn test_format_rename() {
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assert_tokens(
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&FormatRename { a1: 1, a2: 2 },
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vec![
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Token::StructStart("FormatRename", Some(2)),
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Token::MapSep,
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Token::Str("a1"),
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Token::I32(1),
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Token::MapSep,
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Token::Str("a5"),
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Token::I32(2),
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Token::MapEnd,
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]
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);
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}
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#[test]
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fn test_enum_format_rename() {
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assert_tokens(
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&SerEnum::Map {
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a: 0,
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b: String::new(),
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},
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vec![
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Token::EnumMapStart("SerEnum", "Map", Some(2)),
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Token::MapSep,
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Token::Str("a"),
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Token::I8(0),
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Token::MapSep,
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Token::Str("d"),
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Token::Str(""),
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Token::MapEnd,
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]
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);
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}
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#[test]
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fn test_skip_serializing_fields() {
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assert_ser_tokens(
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&SkipSerializingFields {
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a: 1,
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b: 2,
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},
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&[
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Token::StructStart("SkipSerializingFields", Some(1)),
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Token::MapSep,
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Token::Str("a"),
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Token::I8(1),
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Token::MapEnd,
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]
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);
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assert_de_tokens(
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&SkipSerializingFields {
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a: 1,
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b: 0,
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},
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vec![
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Token::StructStart("SkipSerializingFields", Some(1)),
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Token::MapSep,
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Token::Str("a"),
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Token::I8(1),
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Token::MapEnd,
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]
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);
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}
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#[test]
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fn test_skip_serializing_fields_if_empty() {
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assert_ser_tokens(
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&SkipSerializingIfEmptyFields::<i32> {
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a: 1,
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b: vec![],
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},
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&[
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Token::StructStart("SkipSerializingIfEmptyFields", Some(1)),
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Token::MapSep,
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Token::Str("a"),
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Token::I8(1),
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Token::MapEnd,
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]
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);
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assert_de_tokens(
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&SkipSerializingIfEmptyFields::<i32> {
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a: 1,
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b: vec![],
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},
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vec![
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Token::StructStart("SkipSerializingIfEmptyFields", Some(1)),
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Token::MapSep,
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Token::Str("a"),
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Token::I8(1),
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Token::MapEnd,
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]
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);
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assert_ser_tokens(
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&SkipSerializingIfEmptyFields {
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a: 1,
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b: vec![2],
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},
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&[
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Token::StructStart("SkipSerializingIfEmptyFields", Some(2)),
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Token::MapSep,
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Token::Str("a"),
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Token::I8(1),
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Token::MapSep,
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Token::Str("b"),
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Token::SeqStart(Some(1)),
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Token::SeqSep,
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Token::I32(2),
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Token::SeqEnd,
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Token::MapEnd,
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]
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);
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assert_de_tokens(
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&SkipSerializingIfEmptyFields {
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a: 1,
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b: vec![2],
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},
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vec![
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Token::StructStart("SkipSerializingIfEmptyFields", Some(2)),
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Token::MapSep,
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Token::Str("a"),
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Token::I8(1),
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Token::MapSep,
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Token::Str("b"),
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Token::SeqStart(Some(1)),
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Token::SeqSep,
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Token::I32(2),
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Token::SeqEnd,
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Token::MapEnd,
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]
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);
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}
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#[test]
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fn test_skip_serializing_fields_if_none() {
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assert_ser_tokens(
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&SkipSerializingIfNoneFields::<i32> {
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a: 1,
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b: None,
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},
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&[
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Token::StructStart("SkipSerializingIfNoneFields", Some(1)),
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Token::MapSep,
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Token::Str("a"),
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Token::I8(1),
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Token::MapEnd,
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]
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);
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assert_de_tokens(
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&SkipSerializingIfNoneFields::<i32> {
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a: 1,
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b: None,
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},
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vec![
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Token::StructStart("SkipSerializingIfNoneFields", Some(1)),
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Token::MapSep,
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Token::Str("a"),
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Token::I8(1),
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Token::MapEnd,
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]
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);
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assert_ser_tokens(
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&SkipSerializingIfNoneFields {
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a: 1,
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b: Some(2),
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},
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&[
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Token::StructStart("SkipSerializingIfNoneFields", Some(2)),
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Token::MapSep,
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Token::Str("a"),
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Token::I8(1),
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Token::MapSep,
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Token::Str("b"),
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Token::Option(true),
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Token::I32(2),
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Token::MapEnd,
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]
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);
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assert_de_tokens(
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&SkipSerializingIfNoneFields {
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a: 1,
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b: Some(2),
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},
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vec![
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Token::StructStart("SkipSerializingIfNoneFields", Some(2)),
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Token::MapSep,
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Token::Str("a"),
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Token::I8(1),
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Token::MapSep,
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Token::Str("b"),
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Token::Option(true),
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Token::I32(2),
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Token::MapEnd,
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]
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);
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}
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