refactor: modularize codebase and add 404 unit tests (#13)

compliance-dast/src/tools/mod.rs

@@ -33,8 +33,15 @@ pub struct ToolRegistry {
     tools: HashMap<String, Box<dyn PentestTool>>,
 }
 
+impl Default for ToolRegistry {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
 impl ToolRegistry {
     /// Create a new registry with all built-in tools pre-registered.
+    #[allow(clippy::expect_used)]
     pub fn new() -> Self {
         let http = reqwest::Client::builder()
             .danger_accept_invalid_certs(true)
@@ -67,13 +74,10 @@ impl ToolRegistry {
         );
 
         // New infrastructure / analysis tools
+        register(&mut tools, Box::<dns_checker::DnsCheckerTool>::default());
         register(
             &mut tools,
-            Box::new(dns_checker::DnsCheckerTool::new()),
-        );
-        register(
-            &mut tools,
-            Box::new(dmarc_checker::DmarcCheckerTool::new()),
+            Box::<dmarc_checker::DmarcCheckerTool>::default(),
         );
         register(
             &mut tools,
@@ -109,10 +113,7 @@ impl ToolRegistry {
             &mut tools,
             Box::new(openapi_parser::OpenApiParserTool::new(http.clone())),
         );
-        register(
-            &mut tools,
-            Box::new(recon::ReconTool::new(http)),
-        );
+        register(&mut tools, Box::new(recon::ReconTool::new(http)));
 
         Self { tools }
     }