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// This file is part of ICU4X. For terms of use, please see the file
// called LICENSE at the top level of the ICU4X source tree
// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
use crate::data_struct_impl;
use proc_macro2::TokenStream as TokenStream2;
use quote::quote;
use syn::{DeriveInput, NestedMeta};
fn check(attr: Vec<TokenStream2>, item: TokenStream2, expected: TokenStream2) {
let actual = data_struct_impl(
attr.into_iter()
.map(syn::parse2)
.collect::<syn::parse::Result<Vec<NestedMeta>>>()
.unwrap(),
syn::parse2::<DeriveInput>(item).unwrap(),
);
assert_eq!(expected.to_string(), actual.to_string());
}
#[test]
fn test_basic() {
// #[data_struct]
check(
vec![],
quote!(
pub struct FooV1;
),
quote!(
#[derive(yoke::Yokeable, zerofrom::ZeroFrom)]
pub struct FooV1;
),
);
}
#[test]
fn test_data_marker() {
// #[data_struct(FooV1Marker)]
check(
vec![quote!(FooV1Marker)],
quote!(
pub struct FooV1;
),
quote!(
#[doc = "Marker type for [`FooV1`]"]
pub struct FooV1Marker;
impl icu_provider::DataMarker for FooV1Marker {
type Yokeable = FooV1;
}
#[derive(yoke::Yokeable, zerofrom::ZeroFrom)]
pub struct FooV1;
),
);
}
#[test]
fn test_keyed_data_marker() {
// #[data_struct(BarV1Marker = "demo/bar@1")]
check(
vec![quote!(BarV1Marker = "demo/bar@1")],
quote!(
pub struct FooV1;
),
quote!(
#[doc = "Marker type for [`FooV1`]: \"demo/bar@1\"\n\n- Fallback priority: language (default)\n- Extension keyword: none (default)"]
pub struct BarV1Marker;
impl icu_provider::DataMarker for BarV1Marker {
type Yokeable = FooV1;
}
impl icu_provider::KeyedDataMarker for BarV1Marker {
const KEY: icu_provider::DataKey = icu_provider::data_key!(
"demo/bar@1",
icu_provider::DataKeyMetadata::construct_internal(
icu_provider::FallbackPriority::const_default(),
None,
None
));
}
#[derive(yoke::Yokeable, zerofrom::ZeroFrom)]
pub struct FooV1;
),
);
}
#[test]
fn test_multi_named_keyed_data_marker() {
// #[data_struct(FooV1Marker, BarV1Marker = "demo/bar@1", BazV1Marker = "demo/baz@1")]
check(
vec![
quote!(FooV1Marker),
quote!(BarV1Marker = "demo/bar@1"),
quote!(BazV1Marker = "demo/baz@1"),
],
quote!(
pub struct FooV1<'data>;
),
quote!(
#[doc = "Marker type for [`FooV1`]"]
pub struct FooV1Marker;
impl icu_provider::DataMarker for FooV1Marker {
type Yokeable = FooV1<'static>;
}
#[doc = "Marker type for [`FooV1`]: \"demo/bar@1\"\n\n- Fallback priority: language (default)\n- Extension keyword: none (default)"]
pub struct BarV1Marker;
impl icu_provider::DataMarker for BarV1Marker {
type Yokeable = FooV1<'static>;
}
impl icu_provider::KeyedDataMarker for BarV1Marker {
const KEY: icu_provider::DataKey = icu_provider::data_key!(
"demo/bar@1",
icu_provider::DataKeyMetadata::construct_internal(
icu_provider::FallbackPriority::const_default(),
None,
None
));
}
#[doc = "Marker type for [`FooV1`]: \"demo/baz@1\"\n\n- Fallback priority: language (default)\n- Extension keyword: none (default)"]
pub struct BazV1Marker;
impl icu_provider::DataMarker for BazV1Marker {
type Yokeable = FooV1<'static>;
}
impl icu_provider::KeyedDataMarker for BazV1Marker {
const KEY: icu_provider::DataKey = icu_provider::data_key!(
"demo/baz@1",
icu_provider::DataKeyMetadata::construct_internal(
icu_provider::FallbackPriority::const_default(),
None,
None
));
}
#[derive(yoke::Yokeable, zerofrom::ZeroFrom)]
pub struct FooV1<'data>;
),
);
}
#[test]
fn test_databake() {
check(
vec![quote!(BarV1Marker = "demo/bar@1")],
quote!(
#[databake(path = test::path)]
pub struct FooV1;
),
quote!(
#[doc = "Marker type for [`FooV1`]: \"demo/bar@1\"\n\n- Fallback priority: language (default)\n- Extension keyword: none (default)"]
#[derive(Default, databake::Bake)]
#[databake(path = test::path)]
pub struct BarV1Marker;
impl icu_provider::DataMarker for BarV1Marker {
type Yokeable = FooV1;
}
impl icu_provider::KeyedDataMarker for BarV1Marker {
const KEY: icu_provider::DataKey = icu_provider::data_key!(
"demo/bar@1",
icu_provider::DataKeyMetadata::construct_internal(
icu_provider::FallbackPriority::const_default(),
None,
None
));
}
#[derive(yoke::Yokeable, zerofrom::ZeroFrom)]
#[databake(path = test::path)]
pub struct FooV1;
),
);
}
#[test]
fn test_attributes() {
// #[data_struct(FooV1Marker, marker(BarV1Marker, "demo/bar@1", fallback_by = "region", extension_kw = "ca"))]
check(
vec![
quote!(FooV1Marker),
quote!(marker(
BarV1Marker,
"demo/bar@1",
fallback_by = "region",
extension_key = "ca",
fallback_supplement = "collation"
)),
],
quote!(
pub struct FooV1<'data>;
),
quote!(
#[doc = "Marker type for [`FooV1`]"]
pub struct FooV1Marker;
impl icu_provider::DataMarker for FooV1Marker {
type Yokeable = FooV1<'static>;
}
#[doc = "Marker type for [`FooV1`]: \"demo/bar@1\"\n\n- Fallback priority: region\n- Extension keyword: ca"]
pub struct BarV1Marker;
impl icu_provider::DataMarker for BarV1Marker {
type Yokeable = FooV1<'static>;
}
impl icu_provider::KeyedDataMarker for BarV1Marker {
const KEY: icu_provider::DataKey = icu_provider::data_key!(
"demo/bar@1",
icu_provider::DataKeyMetadata::construct_internal(
icu_provider::FallbackPriority::Region,
Some(icu_provider::_internal::extensions_unicode_key!("ca")),
Some(icu_provider::FallbackSupplement::Collation)
));
}
#[derive(yoke::Yokeable, zerofrom::ZeroFrom)]
pub struct FooV1<'data>;
),
);
}
|
