fix: do not match static segment with last character missing before slash (closes #3817) (#3823)

router/src/matching/horizontal/static_segment.rs

@@ -85,7 +85,12 @@ impl<T: AsPath> PossibleRouteMatch for StaticSegment<T> {
         for char in test {
             let n = this.next();
             // when we get a closing /, stop matching
-            if char == '/' || n.is_none() {
+            if char == '/' {
+                if n.is_some() {
+                    return None;
+                }
+                break;
+            } else if n.is_none() {
                 break;
             }
             // if the next character in the path matches the
@@ -269,4 +274,15 @@ mod tests {
         let params = matched.params();
         assert!(params.is_empty());
     }
+
+    #[test]
+    fn only_match_full_static_paths() {
+        let def = (StaticSegment("tests"), StaticSegment("abc"));
+        assert!(def.test("/tes/abc").is_none());
+        assert!(def.test("/test/abc").is_none());
+        assert!(def.test("/tes/abc/").is_none());
+        assert!(def.test("/test/abc/").is_none());
+        assert!(def.test("/tests/ab").is_none());
+        assert!(def.test("/tests/ab/").is_none());
+    }
 }