prop: implement InvalidProperty with Default

crates/dav/src/extensions/mod.rs

@@ -19,7 +19,7 @@ impl<R: Resource> Default for CommonPropertiesExtension<R> {
     }
 }
 
-#[derive(Deserialize, Serialize)]
+#[derive(Deserialize, Serialize, PartialEq)]
 #[serde(rename_all = "kebab-case")]
 pub enum CommonPropertiesProp<RT: ResourceType> {
     // WebDAV (RFC 2518)

crates/dav/src/privileges.rs

@@ -43,7 +43,7 @@ impl Serialize for UserPrivilegeSet {
 }
 
 // TODO: implement Deserialize once we need it
-#[derive(Debug, Clone, Deserialize, Default)]
+#[derive(Debug, Clone, Deserialize, Default, PartialEq)]
 #[serde(rename_all = "kebab-case")]
 pub struct UserPrivilegeSet {
     privileges: HashSet<UserPrivilege>,

crates/dav/src/resource/mod.rs

@@ -32,7 +32,7 @@ impl<T: Serialize + for<'de> Deserialize<'de>> ResourceType for T {}
 
 pub trait Resource: Clone + 'static {
     type PropName: ResourcePropName;
-    type Prop: ResourceProp + From<CommonPropertiesProp<Self::ResourceType>>;
+    type Prop: ResourceProp + From<CommonPropertiesProp<Self::ResourceType>> + PartialEq;
     type Error: ResponseError + From<crate::Error>;
     type PrincipalResource: Resource;
     type ResourceType: Default + Serialize + for<'de> Deserialize<'de>;
@@ -188,6 +188,12 @@ pub trait InvalidProperty {
     fn invalid_property(&self) -> bool;
 }
 
+impl<T: Default + PartialEq> InvalidProperty for T {
+    fn invalid_property(&self) -> bool {
+        self == &T::default()
+    }
+}
+
 #[async_trait(?Send)]
 pub trait ResourceService: Sized + 'static {
     type MemberType: Resource<Error = Self::Error>;

crates/dav/src/resources/root.rs

@@ -10,7 +10,7 @@ use std::any::type_name;
 use std::marker::PhantomData;
 use strum::{EnumString, VariantNames};
 
-#[derive(Deserialize, Serialize, Default, Debug)]
+#[derive(Deserialize, Serialize, Default, Debug, PartialEq)]
 #[serde(rename_all = "kebab-case")]
 pub struct Resourcetype {
     collection: (),

crates/dav/src/xml/mod.rs

@@ -9,7 +9,7 @@ pub use tag_name::TagName;
 
 use serde::{Deserialize, Serialize};
 
-#[derive(Debug, Clone, Deserialize, Serialize, From)]
+#[derive(Debug, Clone, Deserialize, Serialize, From, PartialEq)]
 pub struct HrefElement {
     pub href: String,
 }