chore(cases): add blink element detection

README.md

@@ -13,6 +13,7 @@ let audit = accessibility_rs::audit(&html, &css_rules, false);
 2. Re-creating layout trees to get element positions.
 3. Ideal shapes for audits that scale.
 4. Amazingly fast audits.
+5. Internationalization support for translations.
 
 ## Roadmap
 

RULES.md

@@ -6,13 +6,14 @@ List of techniques we want to have and whether we have it handled or not for WCA
 
 ### WCAGA
 
-| Technique                                          | Description                                  | Type  | Complete |
-| -------------------------------------------------- | -------------------------------------------- | ----- | -------- |
-| [H25](https://www.w3.org/TR/WCAG20-TECHS/H25.html) | empty titles                                 | error | ✅       |
-| [H32](https://www.w3.org/TR/WCAG20-TECHS/H32.html) | missing form submit button                   | error | ✅       |
-| [H57](https://www.w3.org/TR/WCAG20-TECHS/H57.html) | html contains valid lang                     | error | ✅       |
-| [F40](https://www.w3.org/TR/WCAG20-TECHS/F40.html) | using meta redirect with a time limit        | error | ✅       |
-| [F40](https://www.w3.org/TR/WCAG20-TECHS/F41.html) | due to using meta refresh to reload the page | error | ✅       |
+| Technique                                          | Description                          | Type  | Complete |
+| -------------------------------------------------- | ------------------------------------ | ----- | -------- |
+| [H25](https://www.w3.org/TR/WCAG20-TECHS/H25.html) | empty titles                         | error | ✅       |
+| [H32](https://www.w3.org/TR/WCAG20-TECHS/H32.html) | missing form submit button           | error | ✅       |
+| [H57](https://www.w3.org/TR/WCAG20-TECHS/H57.html) | html contains valid lang             | error | ✅       |
+| [F40](https://www.w3.org/TR/WCAG20-TECHS/F40.html) | meta redirect used with a time limit | error | ✅       |
+| [F40](https://www.w3.org/TR/WCAG20-TECHS/F41.html) | meta refresh used to reload the page | error | ✅       |
+| [F47](https://www.w3.org/TR/WCAG20-TECHS/F41.html) | blink element used for attention     | error | ✅       |
 
 ### WCAGAA
 

accessibility-rs/src/engine/rules/ids.rs

@@ -14,6 +14,8 @@ pub enum Techniques {
     F40,
     /// <https://www.w3.org/TR/WCAG20-TECHS/F41>
     F41,
+    /// <https://www.w3.org/TR/WCAG20-TECHS/F47>
+    F47,
 }
 
 impl Techniques {
@@ -29,7 +31,7 @@ impl Techniques {
             Techniques::H57 => vec!["H57.2", "H57.3.Lang", "H57.3.XmlLang"],
             Techniques::F40 => vec!["F40.2"],
             Techniques::F41 => vec!["F41.2"],
-            _ => vec![""],
+            Techniques::F47 => vec!["F47"],
         }
     }
 }

accessibility-rs/src/engine/rules/wcag_base.rs

@@ -52,7 +52,7 @@ pub enum Guideline {
     /// Make Web pages appear and operate in predictable ways.
     Predictable,
     /// Provide users enough time to read and use content.
-    EnoughTime
+    EnoughTime,
 }
 
 impl Guideline {

accessibility-rs/src/engine/rules/wcag_rule_map.rs

@@ -19,7 +19,6 @@ lazy_static! {
                     (lang.chars().all(|x| x.is_alphanumeric()) && !lang.contains("_") && lang.len() < 12, "3.Lang", Default::default())
                 }),
             ])),
-           // empty titles
            ("meta", Vec::from([
                 Rule::new(Techniques::F40, Criteria::Error, Principle::Operable, Guideline::EnoughTime, |_rule, nodes| {
                     let mut valid = true;
@@ -54,7 +53,6 @@ lazy_static! {
                     (valid, "2", Default::default())
                 }),
             ])),
-            // empty titles
             ("title", Vec::from([
                 Rule::new(Techniques::H25, Criteria::Error, Principle::Operable, Guideline::Navigable, |_rule, nodes| {
                     (!nodes.is_empty(), "1.NoTitleEl", Default::default())
@@ -63,7 +61,11 @@ lazy_static! {
                     (nodes.is_empty() || nodes[0].0.html().is_empty(), "1.EmptyTitle", Default::default())
                 }),
             ])),
-            // missing form submit
+            ("blink", Vec::from([
+                Rule::new(Techniques::F47, Criteria::Error, Principle::Operable, Guideline::EnoughTime, |_rule, nodes| {
+                    (nodes.is_empty(), "", Default::default())
+                }),
+            ])),
             ("form", Vec::from([
                 Rule::new(Techniques::H32, Criteria::Error, Principle::Operable, Guideline::Predictable, |_rule, nodes| {
                     // check the first element for now

accessibility-rs/src/i18n/locales.rs

@@ -82,8 +82,12 @@ impl Messages {
 
 /// parse
 pub fn get_message(rule_id: &Techniques, section: &str, lang: &str) -> &'static str {
-    let k = &[rule_id.as_str(), section].join(".");
-    let message = LOCALES.get(&k.as_str());
+    let rule_id = rule_id.as_str();
+    let message = if section.is_empty() {
+        LOCALES.get(&rule_id)
+    } else {
+        LOCALES.get([rule_id, section].join(".").as_str())
+    };
 
     match message {
         Some(m) => match lang {
@@ -107,6 +111,7 @@ lazy_static! {
             (Techniques::H57.pairs()[2], Messages::new(&"The language specified in the xml:lang attribute of the document element does not appear to be well-formed.", "", "")),
             (Techniques::F40.pairs()[0], Messages::new(&"Meta refresh tag used to redirect to another page, with a time limit that is not zero. Users cannot control this time limit.", "", "")),
             (Techniques::F41.pairs()[0], Messages::new(&"Meta refresh tag used to refresh the current page. Users cannot control the time limit for this refresh.", "", "")),
+            (Techniques::F47.pairs()[0], Messages::new(&"Blink elements cannot satisfy the requirement that blinking information can be stopped within five seconds.", "", "")),
         ])
     };
 }

accessibility-rs/tests/unit/meta.rs

@@ -18,11 +18,11 @@ fn _audit_missing_headers() {
     assert_eq!(valid, false)
 }
 
-
 #[test]
 /// meta refresh redirect
 fn _audit_meta_refresh() {
-    let audit = accessibility_rs::audit(r###"<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
+    let audit = accessibility_rs::audit(
+        r###"<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
     <head>     
        <title>Do not use this!</title>     
        <meta http-equiv="refresh"
@@ -36,7 +36,10 @@ fn _audit_meta_refresh() {
           in 5 seconds, otherwise, select the link manually.     
        </p>   
     </body> 
- </html>"###, &"", false);
+ </html>"###,
+        &"",
+        false,
+    );
     let mut valid = true;
 
     for x in &audit {
@@ -48,14 +51,18 @@ fn _audit_meta_refresh() {
 
     assert_eq!(valid, false);
 
-    let audit = accessibility_rs::audit(r###"<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
+    let audit = accessibility_rs::audit(
+        r###"<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
     <head>     
       <title>HTML Techniques for WCAG 2.0</title>     
       <meta http-equiv="refresh" content="60" />   
     </head>   
     <body>
     </body> 
-  </html>"###, &"", false);
+  </html>"###,
+        &"",
+        false,
+    );
     let mut valid = true;
 
     for x in &audit {
@@ -68,3 +75,29 @@ fn _audit_meta_refresh() {
     assert_eq!(valid, false);
 }
 
+#[test]
+/// no blink elements
+fn _audit_blink_found() {
+    let audit = accessibility_rs::audit(
+        r###"<html xmlns="http://www.w3.org/1999/xhtml" lang="en">
+    <head>     
+       <title>Do not use this!</title>      
+    </head>   
+    <body>     
+    <p>My Great Product <blink>Sale! $44,995!</blink></p>  
+    </body> 
+ </html>"###,
+        &"",
+        false,
+    );
+    let mut valid = true;
+
+    for x in &audit {
+        if x.code == "WCAGAAA.Principle2.Guideline2_2.F47" {
+            valid = false;
+            break;
+        }
+    }
+
+    assert_eq!(valid, false);
+}