dav root: Add some new tests

crates/dav/src/resources/mod.rs

@@ -1,3 +1,72 @@
 pub mod root;
 
 pub use root::{RootResource, RootResourceService};
+
+#[cfg(test)]
+pub mod test {
+    use crate::{
+        Error, Principal,
+        extensions::{CommonPropertiesExtension, CommonPropertiesProp},
+        namespace::NS_DAV,
+        privileges::UserPrivilegeSet,
+        resource::{PrincipalUri, Resource},
+        xml::{Resourcetype, ResourcetypeInner},
+    };
+
+    #[derive(Debug, Clone)]
+    pub struct TestPrincipal(pub String);
+
+    impl Principal for TestPrincipal {
+        fn get_id(&self) -> &str {
+            &self.0
+        }
+    }
+
+    impl Resource for TestPrincipal {
+        type Prop = CommonPropertiesProp;
+        type Error = Error;
+        type Principal = Self;
+
+        fn is_collection(&self) -> bool {
+            true
+        }
+
+        fn get_resourcetype(&self) -> crate::xml::Resourcetype {
+            Resourcetype(&[ResourcetypeInner(Some(NS_DAV), "collection")])
+        }
+
+        fn get_prop(
+            &self,
+            principal_uri: &impl crate::resource::PrincipalUri,
+            principal: &Self::Principal,
+            prop: &<Self::Prop as rustical_xml::PropName>::Names,
+        ) -> Result<Self::Prop, Self::Error> {
+            <Self as CommonPropertiesExtension>::get_prop(self, principal_uri, principal, prop)
+        }
+
+        fn get_displayname(&self) -> Option<&str> {
+            Some(&self.0)
+        }
+
+        fn get_user_privileges(
+            &self,
+            principal: &Self::Principal,
+        ) -> Result<UserPrivilegeSet, Self::Error> {
+            Ok(UserPrivilegeSet::owner_only(
+                principal.get_id() == self.get_id(),
+            ))
+        }
+    }
+
+    #[derive(Debug, Clone)]
+    pub struct TestPrincipalUri;
+
+    impl PrincipalUri for TestPrincipalUri {
+        fn principal_collection(&self) -> String {
+            "/".to_owned()
+        }
+        fn principal_uri(&self, principal: &str) -> String {
+            format!("/{principal}/")
+        }
+    }
+}