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Code Issues Releases Wiki Activity

Quality / QualityItem improvements (#2486)

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This commit is contained in:
Rob Ede
2021-12-05 03:38:08 +00:00
committed by GitHub
parent d89c706cd6
commit e1a2d9c606
16 changed files with 494 additions and 257 deletions
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76
src/http/header/accept_language.rs
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@@ -1,6 +1,6 @@
use language_tags::LanguageTag;
use super::{common_header, Preference, QualityItem};
use super::{common_header, Preference, Quality, QualityItem};
use crate::http::header;
common_header! {
@@ -32,26 +32,26 @@ common_header! {
/// # Examples
/// ```
/// use actix_web::HttpResponse;
/// use actix_web::http::header::{AcceptLanguage, qitem};
/// use actix_web::http::header::{AcceptLanguage, QualityItem};
///
/// let mut builder = HttpResponse::Ok();
/// builder.insert_header(
/// AcceptLanguage(vec![
/// qitem("en-US".parse().unwrap())
/// QualityItem::max("en-US".parse().unwrap())
/// ])
/// );
/// ```
///
/// ```
/// use actix_web::HttpResponse;
/// use actix_web::http::header::{AcceptLanguage, QualityItem, q, qitem};
/// use actix_web::http::header::{AcceptLanguage, QualityItem, q};
///
/// let mut builder = HttpResponse::Ok();
/// builder.insert_header(
/// AcceptLanguage(vec![
/// qitem("da".parse().unwrap()),
/// QualityItem::new("en-GB".parse().unwrap(), q(800)),
/// QualityItem::new("en".parse().unwrap(), q(700)),
/// QualityItem::max("da".parse().unwrap()),
/// QualityItem::new("en-GB".parse().unwrap(), q(0.8)),
/// QualityItem::new("en".parse().unwrap(), q(0.7)),
/// ])
/// );
/// ```
@@ -72,9 +72,9 @@ common_header! {
not_ordered_by_weight,
vec![b"en-US, en; q=0.5, fr"],
Some(AcceptLanguage(vec![
qitem("en-US".parse().unwrap()),
QualityItem::new("en".parse().unwrap(), q(500)),
qitem("fr".parse().unwrap()),
QualityItem::max("en-US".parse().unwrap()),
QualityItem::new("en".parse().unwrap(), q(0.5)),
QualityItem::max("fr".parse().unwrap()),
]))
);
@@ -82,11 +82,11 @@ common_header! {
has_wildcard,
vec![b"fr-CH, fr; q=0.9, en; q=0.8, de; q=0.7, *; q=0.5"],
Some(AcceptLanguage(vec![
qitem("fr-CH".parse().unwrap()),
QualityItem::new("fr".parse().unwrap(), q(900)),
QualityItem::new("en".parse().unwrap(), q(800)),
QualityItem::new("de".parse().unwrap(), q(700)),
QualityItem::new("*".parse().unwrap(), q(500)),
QualityItem::max("fr-CH".parse().unwrap()),
QualityItem::new("fr".parse().unwrap(), q(0.9)),
QualityItem::new("en".parse().unwrap(), q(0.8)),
QualityItem::new("de".parse().unwrap(), q(0.7)),
QualityItem::new("*".parse().unwrap(), q(0.5)),
]))
);
}
@@ -122,10 +122,8 @@ impl AcceptLanguage {
///
/// [q-factor weighting]: https://datatracker.ietf.org/doc/html/rfc7231#section-5.3.2
pub fn preference(&self) -> Preference<LanguageTag> {
use actix_http::header::q;
let mut max_item = None;
let mut max_pref = q(0);
let mut max_pref = Quality::MIN;
// uses manual max lookup loop since we want the first occurrence in the case of same
// preference but `Iterator::max_by_key` would give us the last occurrence
@@ -153,15 +151,15 @@ mod tests {
let test = AcceptLanguage(vec![]);
assert!(test.ranked().is_empty());
let test = AcceptLanguage(vec![qitem("fr-CH".parse().unwrap())]);
let test = AcceptLanguage(vec![QualityItem::max("fr-CH".parse().unwrap())]);
assert_eq!(test.ranked(), vec!("fr-CH".parse().unwrap()));
let test = AcceptLanguage(vec![
QualityItem::new("fr".parse().unwrap(), q(900)),
QualityItem::new("fr-CH".parse().unwrap(), q(1000)),
QualityItem::new("en".parse().unwrap(), q(800)),
QualityItem::new("*".parse().unwrap(), q(500)),
QualityItem::new("de".parse().unwrap(), q(700)),
QualityItem::new("fr".parse().unwrap(), q(0.900)),
QualityItem::new("fr-CH".parse().unwrap(), q(1.0)),
QualityItem::new("en".parse().unwrap(), q(0.800)),
QualityItem::new("*".parse().unwrap(), q(0.500)),
QualityItem::new("de".parse().unwrap(), q(0.700)),
]);
assert_eq!(
test.ranked(),
@@ -175,11 +173,11 @@ mod tests {
);
let test = AcceptLanguage(vec![
qitem("fr".parse().unwrap()),
qitem("fr-CH".parse().unwrap()),
qitem("en".parse().unwrap()),
qitem("*".parse().unwrap()),
qitem("de".parse().unwrap()),
QualityItem::max("fr".parse().unwrap()),
QualityItem::max("fr-CH".parse().unwrap()),
QualityItem::max("en".parse().unwrap()),
QualityItem::max("*".parse().unwrap()),
QualityItem::max("de".parse().unwrap()),
]);
assert_eq!(
test.ranked(),
@@ -196,11 +194,11 @@ mod tests {
#[test]
fn preference_selection() {
let test = AcceptLanguage(vec![
QualityItem::new("fr".parse().unwrap(), q(900)),
QualityItem::new("fr-CH".parse().unwrap(), q(1000)),
QualityItem::new("en".parse().unwrap(), q(800)),
QualityItem::new("*".parse().unwrap(), q(500)),
QualityItem::new("de".parse().unwrap(), q(700)),
QualityItem::new("fr".parse().unwrap(), q(0.900)),
QualityItem::new("fr-CH".parse().unwrap(), q(1.0)),
QualityItem::new("en".parse().unwrap(), q(0.800)),
QualityItem::new("*".parse().unwrap(), q(0.500)),
QualityItem::new("de".parse().unwrap(), q(0.700)),
]);
assert_eq!(
test.preference(),
@@ -208,11 +206,11 @@ mod tests {
);
let test = AcceptLanguage(vec![
qitem("fr".parse().unwrap()),
qitem("fr-CH".parse().unwrap()),
qitem("en".parse().unwrap()),
qitem("*".parse().unwrap()),
qitem("de".parse().unwrap()),
QualityItem::max("fr".parse().unwrap()),
QualityItem::max("fr-CH".parse().unwrap()),
QualityItem::max("en".parse().unwrap()),
QualityItem::max("*".parse().unwrap()),
QualityItem::max("de".parse().unwrap()),
]);
assert_eq!(
test.preference(),