Added tests and small fixed

...discovered when writing the tests.
Ran rustfmt, clippy::all, cargo test, everything passed and I hope the tests I wrote are good.
Now with 100% less forgotten debug logs!

src/renderer.rs

@@ -194,7 +194,7 @@ pub fn page(
                     }
                     div.footer {
                         @if conf.show_wget_footer {
-                            (wget_footer(abs_uri, breadcrumbs[0].name.as_str(), current_user))
+                            (wget_footer(abs_uri, conf.title.as_deref(), current_user.map(|x| &*x.name)))
                         }
                         @if !conf.hide_version_footer {
                             (version_footer())
@@ -268,24 +268,31 @@ fn version_footer() -> Markup {
     }
 }
 
-fn wget_footer(abs_path: &Uri, root_dir_name: &str, current_user: Option<&CurrentUser>) -> Markup {
+fn wget_footer(abs_path: &Uri, root_dir_name: Option<&str>, current_user: Option<&str>) -> Markup {
+    let escape_apostrophes = |x: &str| x.replace('\'', "'\"'\"'");
+
     // Directory depth, 0 is root directory
     let cut_dirs = match abs_path.path().matches('/').count() - 1 {
         // Put all the files in a folder of this name
-        0 => format!(" -P {root_dir_name}"),
+        0 => format!(
+            " -P '{}'",
+            escape_apostrophes(
+                root_dir_name.unwrap_or_else(|| abs_path.authority().unwrap().as_str())
+            )
+        ),
         1 => String::new(),
         // Avoids putting the files in excessive directories
         x => format!(" --cut-dirs={}", x - 1),
     };
 
     // Ask for password if authentication is required
     let user_params = match current_user {
-        Some(user) => format!(" --ask-password --user {}", user.name),
+        Some(user) => format!(" --ask-password --user '{}'", escape_apostrophes(user)),
         None => String::new(),
     };
 
     let command =
-        format!("wget -rcnHp{cut_dirs} -R 'index.html*'{user_params} '{abs_path}?raw=true'");
+        format!("wget -rcnHp -R 'index.html*'{cut_dirs}{user_params} '{abs_path}?raw=true'");
     let click_to_copy = format!("navigator.clipboard.writeText(\"{command}\")");
 
     html! {
@@ -688,3 +695,54 @@ pub fn render_error(
         }
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use pretty_assertions::assert_eq;
+    #[test]
+    fn test_wget_footer() {
+        let to_html = |x| {
+            format!(
+                r#"<div class="downloadDirectory"><p>Download folder:</p><a class="cmd" title="Click to copy!" style="cursor: pointer;" onclick="navigator.clipboard.writeText(&quot;wget -rcnHp -R 'index.html*' {0}/?raw=true'&quot;)">wget -rcnHp -R 'index.html*' {0}/?raw=true'</a></div>"#,
+                x
+            )
+        };
+        let uri = |x| Uri::try_from(x).unwrap();
+
+        let to_be_tested: String = wget_footer(
+            &uri("https://github.com/svenstaro/miniserve/"),
+            Some("Miniserve"),
+            None,
+        )
+        .into();
+        let solution = to_html("--cut-dirs=1 'https://github.com/svenstaro/miniserve");
+        assert_eq!(to_be_tested, solution);
+
+        let to_be_tested: String = wget_footer(&uri("https://github.com/"), None, None).into();
+        let solution = to_html("-P 'github.com' 'https://github.com");
+        assert_eq!(to_be_tested, solution);
+
+        let to_be_tested: String = wget_footer(
+            &uri("http://1und1.de/"),
+            Some("1&1 - Willkommen!!!"),
+            Some("Marcell D'Avis"),
+        )
+        .into();
+        let solution = to_html("-P '1&amp;1 - Willkommen!!!' --ask-password --user 'Marcell D'&quot;'&quot;'Avis' 'http://1und1.de");
+        assert_eq!(to_be_tested, solution);
+
+        let to_be_tested: String = wget_footer(
+            &uri("http://127.0.0.1:1234/geheime_dokumente.php/"),
+            Some("Streng Geheim!!!"),
+            Some("uøý`¶'7ÅÛé"),
+        )
+        .into();
+        let solution = to_html("--ask-password --user 'uøý`¶'&quot;'&quot;'7ÅÛé' 'http://127.0.0.1:1234/geheime_dokumente.php");
+        assert_eq!(to_be_tested, solution);
+
+        let to_be_tested: String = wget_footer(&uri("http://127.0.0.1:420/"), None, None).into();
+        let solution = to_html("-P '127.0.0.1:420' 'http://127.0.0.1:420");
+        assert_eq!(to_be_tested, solution);
+    }
+}

tests/raw.rs

@@ -11,7 +11,16 @@ use select::predicate::Class;
 use select::predicate::Name;
 
 /// The footer displays the correct wget command to download the folder recursively
-#[rstest(depth, dir, case(0, ""), case(2, "very/deeply/nested/"))]
+// This test can't test all aspects of the wget footer,
+// a more detailed unit test is available
+#[rstest(
+    depth,
+    dir,
+    case(0, ""),
+    case(1, "dira/"),
+    case(2, "very/deeply/"),
+    case(3, "very/deeply/nested/")
+)]
 fn ui_displays_wget_element(
     depth: u8,
     dir: &str,
@@ -32,11 +41,18 @@ fn ui_displays_wget_element(
         .next()
         .unwrap()
         .text();
+    let cut_dirs = match depth {
+        // Put all the files in a folder of this name
+        0 => format!(" -P 'localhost:{}'", server.port()),
+        1 => String::new(),
+        // Avoids putting the files in excessive directories
+        x => format!(" --cut-dirs={}", x - 1),
+    };
     assert_eq!(
         wget_url,
         format!(
-            "wget -r -c -nH -np --cut-dirs={} -R \"index.html*\" \"{}{}?raw=true\"",
-            depth,
+            "wget -rcnHp -R 'index.html*'{} '{}{}?raw=true'",
+            cut_dirs,
             server.url(),
             dir
         )