Auto merge of #23745 - georgeroman:implement_get_element_property_wd_command, r=jdm

Implement GetElementProperty wd command

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- [X] `./mach test-tidy` does not report any errors

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- [X] There are tests for these changes

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components/script/dom/bindings/conversions.rs

@@ -60,7 +60,7 @@ use js::jsapi::{
 };
 use js::jsapi::{JS_NewStringCopyN, JS_StringHasLatin1Chars};
 use js::jsval::{ObjectValue, StringValue, UndefinedValue};
-use js::rust::wrappers::{JS_GetProperty, JS_IsArrayObject};
+use js::rust::wrappers::{JS_GetProperty, JS_HasProperty, JS_IsArrayObject};
 use js::rust::{get_object_class, is_dom_class, is_dom_object, maybe_wrap_value, ToString};
 use js::rust::{HandleId, HandleObject, HandleValue, MutableHandleValue};
 use num_traits::Float;
@@ -596,11 +596,18 @@ pub unsafe fn get_property_jsval(
         Ok(cname) => cname,
         Err(_) => return Ok(()),
     };
-    JS_GetProperty(cx, object, cname.as_ptr(), rval);
-    if JS_IsExceptionPending(cx) {
-        return Err(Error::JSFailed);
+    let mut found = false;
+    if JS_HasProperty(cx, object, cname.as_ptr(), &mut found) && found {
+        JS_GetProperty(cx, object, cname.as_ptr(), rval);
+        if JS_IsExceptionPending(cx) {
+            return Err(Error::JSFailed);
+        }
+        Ok(())
+    } else if JS_IsExceptionPending(cx) {
+        Err(Error::JSFailed)
+    } else {
+        Ok(())
     }
-    Ok(())
 }
 
 /// Get a property from a JS object, and convert it to a Rust value.

components/script/script_thread.rs

@@ -2157,6 +2157,15 @@ impl ScriptThread {
                     reply,
                 )
             },
+            WebDriverScriptCommand::GetElementProperty(node_id, name, reply) => {
+                webdriver_handlers::handle_get_property(
+                    &*documents,
+                    pipeline_id,
+                    node_id,
+                    name,
+                    reply,
+                )
+            },
             WebDriverScriptCommand::GetElementCSS(node_id, name, reply) => {
                 webdriver_handlers::handle_get_css(&*documents, pipeline_id, node_id, name, reply)
             },

components/script/webdriver_handlers.rs

@@ -12,9 +12,11 @@ use crate::dom::bindings::codegen::Bindings::NodeBinding::NodeMethods;
 use crate::dom::bindings::codegen::Bindings::WindowBinding::WindowMethods;
 use crate::dom::bindings::codegen::Bindings::XMLSerializerBinding::XMLSerializerMethods;
 use crate::dom::bindings::conversions::{
-    ConversionResult, FromJSValConvertible, StringificationBehavior,
+    get_property_jsval, ConversionResult, FromJSValConvertible, StringificationBehavior,
 };
+use crate::dom::bindings::error::throw_dom_exception;
 use crate::dom::bindings::inheritance::Castable;
+use crate::dom::bindings::reflector::DomObject;
 use crate::dom::bindings::root::DomRoot;
 use crate::dom::bindings::str::DOMString;
 use crate::dom::element::Element;
@@ -710,6 +712,43 @@ pub fn handle_get_attribute(
         .unwrap();
 }
 
+#[allow(unsafe_code)]
+pub fn handle_get_property(
+    documents: &Documents,
+    pipeline: PipelineId,
+    node_id: String,
+    name: String,
+    reply: IpcSender<Result<WebDriverJSValue, ()>>,
+) {
+    reply
+        .send(match find_node_by_unique_id(documents, pipeline, node_id) {
+            Some(node) => {
+                let cx = documents.find_document(pipeline).unwrap().window().get_cx();
+
+                rooted!(in(cx) let mut property = UndefinedValue());
+                match unsafe {
+                    get_property_jsval(
+                        cx,
+                        node.reflector().get_jsobject(),
+                        &name,
+                        property.handle_mut(),
+                    )
+                } {
+                    Ok(_) => match unsafe { jsval_to_webdriver(cx, property.handle()) } {
+                        Ok(property) => Ok(property),
+                        Err(_) => Ok(WebDriverJSValue::Undefined),
+                    },
+                    Err(error) => {
+                        unsafe { throw_dom_exception(cx, &node.reflector().global(), error) };
+                        Ok(WebDriverJSValue::Undefined)
+                    },
+                }
+            },
+            None => Err(()),
+        })
+        .unwrap();
+}
+
 pub fn handle_get_css(
     documents: &Documents,
     pipeline: PipelineId,

components/script_traits/webdriver_msg.rs

@@ -41,6 +41,7 @@ pub enum WebDriverScriptCommand {
     GetCookie(String, IpcSender<Vec<Serde<Cookie<'static>>>>),
     GetCookies(IpcSender<Vec<Serde<Cookie<'static>>>>),
     GetElementAttribute(String, String, IpcSender<Result<Option<String>, ()>>),
+    GetElementProperty(String, String, IpcSender<Result<WebDriverJSValue, ()>>),
     GetElementCSS(String, String, IpcSender<Result<String, ()>>),
     GetElementRect(String, IpcSender<Result<Rect<f64>, ()>>),
     GetElementTagName(String, IpcSender<Result<String, ()>>),
@@ -59,7 +60,7 @@ pub enum WebDriverCookieError {
     UnableToSetCookie,
 }
 
-#[derive(Debug, Deserialize, Serialize)]
+#[derive(Clone, Debug, Deserialize, Serialize)]
 pub enum WebDriverJSValue {
     Undefined,
     Null,

components/webdriver_server/lib.rs

@@ -211,6 +211,7 @@ impl WebDriverExtensionCommand for ServoExtensionCommand {
     }
 }
 
+#[derive(Clone)]
 struct SendableWebDriverJSValue(pub WebDriverJSValue);
 
 impl Serialize for SendableWebDriverJSValue {
@@ -1163,6 +1164,28 @@ impl Handler {
         }
     }
 
+    fn handle_element_property(
+        &self,
+        element: &WebElement,
+        name: &str,
+    ) -> WebDriverResult<WebDriverResponse> {
+        let (sender, receiver) = ipc::channel().unwrap();
+
+        let cmd =
+            WebDriverScriptCommand::GetElementProperty(element.id.clone(), name.to_owned(), sender);
+        self.browsing_context_script_command(cmd)?;
+
+        match receiver.recv().unwrap() {
+            Ok(value) => Ok(WebDriverResponse::Generic(ValueResponse(
+                serde_json::to_value(SendableWebDriverJSValue(value))?,
+            ))),
+            Err(_) => Err(WebDriverError::new(
+                ErrorStatus::StaleElementReference,
+                "Unable to find element in document",
+            )),
+        }
+    }
+
     fn handle_element_css(
         &self,
         element: &WebElement,
@@ -1586,6 +1609,9 @@ impl WebDriverHandler<ServoExtensionRoute> for Handler {
             WebDriverCommand::GetElementAttribute(ref element, ref name) => {
                 self.handle_element_attribute(element, name)
             },
+            WebDriverCommand::GetElementProperty(ref element, ref name) => {
+                self.handle_element_property(element, name)
+            },
             WebDriverCommand::GetCSSValue(ref element, ref name) => {
                 self.handle_element_css(element, name)
             },

tests/wpt/metadata/webdriver/tests/element_send_keys/interactability.py.ini

@@ -8,24 +8,15 @@
   [test_visibility_hidden]
     expected: FAIL
 
-  [test_transparent_element]
-    expected: FAIL
-
   [test_iframe_is_interactable]
     expected: FAIL
 
   [test_readonly_element]
     expected: FAIL
 
-  [test_obscured_element]
-    expected: FAIL
-
   [test_document_element_is_interactable]
     expected: FAIL
 
-  [test_body_is_interactable]
-    expected: FAIL
-
   [test_hidden]
     expected: FAIL
 

tests/wpt/metadata/webdriver/tests/get_element_property/get.py.ini

@@ -1,2 +1,31 @@
 [get.py]
-  disabled: Unimplemented WebDriver command
+  [test_primitives[js_primitive3-py_primitive3\]]
+    expected: FAIL
+
+  [test_idl_attribute]
+    expected: FAIL
+
+  [test_element_not_found]
+    expected: FAIL
+
+  [test_primitives_set_by_execute_script[42-42\]]
+    expected: FAIL
+
+  [test_primitives[js_primitive2-py_primitive2\]]
+    expected: FAIL
+
+  [test_primitives_set_by_execute_script[js_primitive2-py_primitive2\]]
+    expected: FAIL
+
+  [test_mutated_element]
+    expected: FAIL
+
+  [test_no_browsing_context]
+    expected: ERROR
+
+  [test_primitives_set_by_execute_script[js_primitive3-py_primitive3\]]
+    expected: FAIL
+
+  [test_primitives_set_by_execute_script["foobar"-foobar\]]
+    expected: FAIL
+

tests/wpt/metadata/webdriver/tests/refresh/refresh.py.ini

@@ -2,15 +2,9 @@
   [test_history_pushstate]
     expected: FAIL
 
-  [test_basic]
-    expected: FAIL
-
   [test_refresh_switches_to_parent_browsing_context]
     expected: FAIL
 
   [test_no_browsing_context]
     expected: ERROR
 
-  [test_dismissed_beforeunload]
-    expected: FAIL
-