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add underscore to scheme support.

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adds tests for mbid directly, as well as underscore scheme.

Followup:
`scheme:` is not currently passing this function, but can wait for now
This commit is contained in:
Jack Platten
2026-08-27 20:07:59 +00:00
committed by Tangled
parent 739db41130
commit d979cb969a
1 changed files with 9 additions and 2 deletions
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crates/tranquil-lexicon/src/formats.rs
+9 -2
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@@ -42,7 +42,7 @@ pub fn is_valid_uri(s: &str) -> bool {
&& scheme.starts_with(|c: char| c.is_ascii_alphabetic())
&& scheme
.chars()
.all(|c| c.is_ascii_alphanumeric() || c == '+' || c == '.' || c == '-');
.all(|c| c.is_ascii_alphanumeric() || c == '+' || c == '.' || c == '-' || c == '_');
if !valid_scheme {
return false;
}
@@ -163,7 +163,14 @@ mod tests {
// RFC 3986 hier-part doesn't require "//": scheme ":" opaque-part is also a URI.
assert!(is_valid_uri("urn:isbn:9780141439518"));
assert!(is_valid_uri("mailto:user@example.com"));
assert!(is_valid_uri("mbid:70766a5a-3f95-4b19-96c8-a2c9c4a5e6e5"));
assert!(is_valid_uri("mbid:70766a5a-3f95-4b19-96c8-a2c9c4a5e6e5")); //authority-less / path-rootless
assert!(is_valid_uri(
"has_an_underscore:70766a5a-3f95-4b19-96c8-a2c9c4a5e6e5"
));
}
#[test]
fn test_invalid_uris_without_authority() {
assert!(!is_valid_uri("urn:"));
assert!(!is_valid_uri(":no-scheme"));
}