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//! Test Cases
#![allow(dead_code)]
use expect_test::expect;
use serde_with_macros::apply;
use std::collections::BTreeMap;
/// Fields `a` and `c` match, as each has a fully specified pattern.
#[test]
fn test_apply_fully_specified() {
#[apply(
crate="serde_with_macros",
Option<String> => #[serde(skip)],
BTreeMap<String, String> => #[serde(skip)],
)]
#[derive(Default, serde::Serialize)]
struct FooBar<'a> {
a: Option<String>,
b: Option<i32>,
c: BTreeMap<String, String>,
d: BTreeMap<String, i32>,
e: BTreeMap<i32, String>,
f: &'a str,
g: &'static str,
#[serde_with(skip_apply)]
skip: Option<String>,
}
expect![[r#"
{
"b": null,
"d": {},
"e": {},
"f": "",
"g": "",
"skip": null
}"#]]
.assert_eq(&serde_json::to_string_pretty(&FooBar::<'static>::default()).unwrap());
}
/// All fields match as `_` matches any type.
///
/// The `skip` field is ignored because of the `#[serde_with(skip_apply)]` attribute.
#[test]
fn test_apply_all() {
#[apply(
crate="serde_with_macros",
_ => #[serde(skip)],
)]
#[derive(Default, serde::Serialize)]
struct FooBar<'a> {
a: Option<String>,
b: Option<i32>,
c: BTreeMap<String, String>,
d: BTreeMap<String, i32>,
e: BTreeMap<i32, String>,
f: &'a str,
g: &'static str,
#[serde_with(skip_apply)]
skip: Option<String>,
}
expect![[r#"
{
"skip": null
}"#]]
.assert_eq(&serde_json::to_string_pretty(&FooBar::<'static>::default()).unwrap());
}
/// Fields `a` and `b` match, since both are variants of `Option`.
///
/// No generic in the pattern allows matching with any number of generics on the fields.
/// The `skip` field is ignored because of the `#[serde_with(skip_apply)]` attribute.
#[test]
fn test_apply_partial_no_generic() {
#[apply(
crate="serde_with_macros",
Option => #[serde(skip)],
)]
#[derive(Default, serde::Serialize)]
struct FooBar<'a> {
a: Option<String>,
b: Option<i32>,
c: BTreeMap<String, String>,
d: BTreeMap<String, i32>,
e: BTreeMap<i32, String>,
f: &'a str,
g: &'static str,
#[serde_with(skip_apply)]
skip: Option<String>,
}
expect![[r#"
{
"c": {},
"d": {},
"e": {},
"f": "",
"g": "",
"skip": null
}"#]]
.assert_eq(&serde_json::to_string_pretty(&FooBar::<'static>::default()).unwrap());
}
/// Fields `c` and `d` match, as both have a `String` key and `_` matches any type.
#[test]
fn test_apply_partial_generic() {
#[apply(
crate="serde_with_macros",
BTreeMap<String, _> => #[serde(skip)],
)]
#[derive(Default, serde::Serialize)]
struct FooBar<'a> {
a: Option<String>,
b: Option<i32>,
c: BTreeMap<String, String>,
d: BTreeMap<String, i32>,
e: BTreeMap<i32, String>,
f: &'a str,
g: &'static str,
#[serde_with(skip_apply)]
skip: Option<String>,
}
expect![[r#"
{
"a": null,
"b": null,
"e": {},
"f": "",
"g": "",
"skip": null
}"#]]
.assert_eq(&serde_json::to_string_pretty(&FooBar::<'static>::default()).unwrap());
}
/// Fields `f` and `g` match, since no lifetime matches any reference.
#[test]
fn test_apply_no_lifetime() {
#[apply(
crate="serde_with_macros",
&str => #[serde(skip)],
)]
#[derive(Default, serde::Serialize)]
struct FooBar<'a> {
a: Option<String>,
b: Option<i32>,
c: BTreeMap<String, String>,
d: BTreeMap<String, i32>,
e: BTreeMap<i32, String>,
f: &'a str,
g: &'static str,
#[serde_with(skip_apply)]
skip: Option<String>,
}
expect![[r#"
{
"a": null,
"b": null,
"c": {},
"d": {},
"e": {},
"skip": null
}"#]]
.assert_eq(&serde_json::to_string_pretty(&FooBar::<'static>::default()).unwrap());
}
/// Field `f` matches as the lifetime is identical and `mut` is ignored.
#[test]
fn test_apply_lifetime() {
#[apply(
crate="serde_with_macros",
&'a mut str => #[serde(skip)],
)]
#[derive(Default, serde::Serialize)]
struct FooBar<'a> {
a: Option<String>,
b: Option<i32>,
c: BTreeMap<String, String>,
d: BTreeMap<String, i32>,
e: BTreeMap<i32, String>,
f: &'a str,
g: &'static str,
#[serde_with(skip_apply)]
skip: Option<String>,
}
expect![[r#"
{
"a": null,
"b": null,
"c": {},
"d": {},
"e": {},
"g": "",
"skip": null
}"#]]
.assert_eq(&serde_json::to_string_pretty(&FooBar::<'static>::default()).unwrap());
}
/// No field matches as the explicit lifetimes are different
#[test]
fn test_apply_mismatched_lifetime() {
#[apply(
crate="serde_with_macros",
&'b str => #[serde(skip)],
)]
#[derive(Default, serde::Serialize)]
struct FooBar<'a> {
a: Option<String>,
b: Option<i32>,
c: BTreeMap<String, String>,
d: BTreeMap<String, i32>,
e: BTreeMap<i32, String>,
f: &'a str,
g: &'static str,
#[serde_with(skip_apply)]
skip: Option<String>,
}
expect![[r#"
{
"a": null,
"b": null,
"c": {},
"d": {},
"e": {},
"f": "",
"g": "",
"skip": null
}"#]]
.assert_eq(&serde_json::to_string_pretty(&FooBar::<'static>::default()).unwrap());
}
|
