test(anstyle-svg): Add tests for Hyperlinks

Author: Muscraft

crates/anstyle-svg/src/adapter.rs

@@ -303,6 +303,8 @@ mod test {
     use super::*;
     use proptest::prelude::*;
 
+    const URL: &str = "https://example.com";
+
     #[track_caller]
     fn verify(input: &str, expected: Vec<(anstyle::Style, &str)>) {
         let expected = expected
@@ -314,6 +316,10 @@ mod test {
         assert_eq!(expected, actual, "{input:?}");
     }
 
+    fn hyperlink(input: &str, url: &str) -> String {
+        format!("\x1B]8;;{url}\x1B\\{input}\x1B]8;;\x1B\\")
+    }
+
     #[test]
     fn start() {
         let green_on_red = anstyle::AnsiColor::Green.on(anstyle::AnsiColor::Red);
@@ -361,6 +367,89 @@ mod test {
         verify(&input, expected);
     }
 
+    #[test]
+    fn hyperlink_start() {
+        let green_on_red = anstyle::AnsiColor::Green.on(anstyle::AnsiColor::Red);
+        let input = format!(
+            "{green_on_red}{}{green_on_red:#} world!",
+            hyperlink("Hello", URL)
+        );
+        let expected = vec![
+            (green_on_red, "Hello"),
+            (anstyle::Style::default(), " world!"),
+        ];
+        verify(&input, expected);
+    }
+
+    #[test]
+    fn hyperlink_middle() {
+        let green_on_red = anstyle::AnsiColor::Green.on(anstyle::AnsiColor::Red);
+        let input = format!(
+            "Hello {green_on_red}{}{green_on_red:#}!",
+            hyperlink("world", URL)
+        );
+        let expected = vec![
+            (anstyle::Style::default(), "Hello "),
+            (green_on_red, "world"),
+            (anstyle::Style::default(), "!"),
+        ];
+        verify(&input, expected);
+    }
+
+    #[test]
+    fn hyperlink_end() {
+        let green_on_red = anstyle::AnsiColor::Green.on(anstyle::AnsiColor::Red);
+        let input = format!(
+            "Hello {green_on_red}{}{green_on_red:#}",
+            hyperlink("world!", URL)
+        );
+        let expected = vec![
+            (anstyle::Style::default(), "Hello "),
+            (green_on_red, "world!"),
+        ];
+        verify(&input, expected);
+    }
+
+    #[test]
+    fn hyperlink_ansi256_colors() {
+        let ansi_11 = anstyle::Ansi256Color(11).on_default();
+        // termcolor only supports "brights" via these
+        let input = format!("Hello {ansi_11}{}{ansi_11:#}!", hyperlink("world", URL));
+        let expected = vec![
+            (anstyle::Style::default(), "Hello "),
+            (ansi_11, "world"),
+            (anstyle::Style::default(), "!"),
+        ];
+        verify(&input, expected);
+    }
+
+    #[test]
+    fn style_mid_hyperlink_text() {
+        let green_on_red = anstyle::AnsiColor::Green.on(anstyle::AnsiColor::Red);
+        let styled_str = format!("Hello {green_on_red}world{green_on_red:#}!");
+        let input = hyperlink(&styled_str, URL);
+        let expected = vec![
+            (anstyle::Style::default(), "Hello "),
+            (green_on_red, "world"),
+            (anstyle::Style::default(), "!"),
+        ];
+        verify(&input, expected);
+    }
+
+    #[test]
+    fn hyperlink_empty() {
+        let green_on_red = anstyle::AnsiColor::Green.on(anstyle::AnsiColor::Red);
+        let input = format!(
+            "{green_on_red}{}{green_on_red:#} world!",
+            hyperlink("Hello", "")
+        );
+        let expected = vec![
+            (green_on_red, "Hello"),
+            (anstyle::Style::default(), " world!"),
+        ];
+        verify(&input, expected);
+    }
+
     proptest! {
         #[test]
         #[cfg_attr(miri, ignore)]  // See https://github.com/AltSysrq/proptest/issues/253