refactor: extract inline test modules to separate files

crates/adapters/activitypub/src/urls/mod.rs

@@ -0,0 +1,36 @@
+use url::Url;
+
+pub struct ThoughtsUrls {
+    pub base_url: String,
+}
+
+impl ThoughtsUrls {
+    pub fn new(base_url: &str) -> Self {
+        Self {
+            base_url: base_url.trim_end_matches('/').to_string(),
+        }
+    }
+
+    pub fn user_url(&self, username: &str) -> Url {
+        Url::parse(&format!("{}/users/{}", self.base_url, username)).expect("valid URL")
+    }
+
+    pub fn thought_url(&self, thought_id: uuid::Uuid) -> Url {
+        Url::parse(&format!("{}/thoughts/{}", self.base_url, thought_id)).expect("valid URL")
+    }
+
+    pub fn user_inbox(&self, username: &str) -> Url {
+        Url::parse(&format!("{}/users/{}/inbox", self.base_url, username)).expect("valid URL")
+    }
+
+    pub fn user_outbox(&self, username: &str) -> Url {
+        Url::parse(&format!("{}/users/{}/outbox", self.base_url, username)).expect("valid URL")
+    }
+
+    pub fn user_followers(&self, username: &str) -> Url {
+        Url::parse(&format!("{}/users/{}/followers", self.base_url, username)).expect("valid URL")
+    }
+}
+
+#[cfg(test)]
+mod tests;

crates/adapters/activitypub/src/urls/tests.rs

@@ -0,0 +1,20 @@
+use super::*;
+
+#[test]
+fn user_url_format() {
+    let urls = ThoughtsUrls::new("https://example.com");
+    assert_eq!(
+        urls.user_url("alice").as_str(),
+        "https://example.com/users/alice"
+    );
+}
+
+#[test]
+fn thought_url_format() {
+    let urls = ThoughtsUrls::new("https://example.com");
+    let id = uuid::Uuid::nil();
+    assert!(urls
+        .thought_url(id)
+        .as_str()
+        .starts_with("https://example.com/thoughts/"));
+}