Backed out 3 changesets (bug 1790375) for causing wd failures on fetch_error.py. CLOSED TREE

Backed out changeset 12e0d45fb593 (bug 1790375)
Backed out changeset a51daae37008 (bug 1790375)
Backed out changeset aaee4331946c (bug 1790375)

Author: CosminSabou

remote/shared/listeners/NetworkEventRecord.sys.mjs

@@ -214,11 +214,7 @@ export class NetworkEventRecord {
       },
     };
 
-    if (responseInfo.blockedReason) {
-      this.#emitFetchError();
-    } else {
-      this.#emitResponseCompleted();
-    }
+    this.#emitResponseCompleted();
   }
 
   /**
@@ -279,8 +275,8 @@ export class NetworkEventRecord {
       authCallbacks,
       contextId: this.#contextId,
       isNavigationRequest: this.#isMainDocumentChannel,
-      redirectCount: this.#redirectCount,
       requestChannel: this.#requestChannel,
+      redirectCount: this.#redirectCount,
       requestData: this.#requestData,
       responseChannel: this.#responseChannel,
       responseData: this.#responseData,
@@ -294,23 +290,8 @@ export class NetworkEventRecord {
     this.#networkListener.emit("before-request-sent", {
       contextId: this.#contextId,
       isNavigationRequest: this.#isMainDocumentChannel,
-      redirectCount: this.#redirectCount,
       requestChannel: this.#requestChannel,
-      requestData: this.#requestData,
-      timestamp: Date.now(),
-    });
-  }
-
-  #emitFetchError() {
-    this.#updateDataFromTimedChannel();
-
-    this.#networkListener.emit("fetch-error", {
-      contextId: this.#contextId,
-      // TODO: Update with a proper error text. Bug 1873037.
-      errorText: ChromeUtils.getXPCOMErrorName(this.#requestChannel.status),
-      isNavigationRequest: this.#isMainDocumentChannel,
       redirectCount: this.#redirectCount,
-      requestChannel: this.#requestChannel,
       requestData: this.#requestData,
       timestamp: Date.now(),
     });

remote/shared/listeners/test/browser/browser_NetworkListener.js

@@ -78,22 +78,6 @@ add_task(async function test_beforeRequestSent_newTab() {
   gBrowser.removeTab(tab);
 });
 
-add_task(async function test_fetchError() {
-  const listener = new NetworkListener();
-  const onFetchError = listener.once("fetch-error");
-  listener.startListening();
-
-  info("Check fetchError event when loading a new tab");
-  const tab = BrowserTestUtils.addTab(gBrowser, "https://not_a_valid_url/");
-  BrowserTestUtils.browserLoaded(tab.linkedBrowser);
-  const contextId = TabManager.getIdForBrowser(tab.linkedBrowser);
-  const event = await onFetchError;
-
-  assertNetworkEvent(event, contextId, "https://not_a_valid_url/");
-  is(event.errorText, "NS_ERROR_UNKNOWN_HOST");
-  gBrowser.removeTab(tab);
-});
-
 function assertNetworkEvent(event, expectedContextId, expectedUrl) {
   is(event.contextId, expectedContextId, "Event has the expected context id");
   is(event.requestData.url, expectedUrl, "Event has the expected url");

remote/webdriver-bidi/modules/root/browsingContext.sys.mjs

@@ -1422,13 +1422,12 @@ class BrowsingContextModule extends Module {
           shouldWaitForNavigationRequest = true;
         }
       };
-      const onNetworkRequestCompleted = (name, data) => {
+      const onResponseCompleted = (name, data) => {
         if (data.navigation) {
           resolveOnNetworkEvent();
         }
       };
 
-      // The network request can either end with _responseCompleted or _fetchError
       await this.messageHandler.eventsDispatcher.on(
         "network._beforeRequestSent",
         contextDescriptor,
@@ -1437,12 +1436,7 @@ class BrowsingContextModule extends Module {
       await this.messageHandler.eventsDispatcher.on(
         "network._responseCompleted",
         contextDescriptor,
-        onNetworkRequestCompleted
-      );
-      await this.messageHandler.eventsDispatcher.on(
-        "network._fetchError",
-        contextDescriptor,
-        onNetworkRequestCompleted
+        onResponseCompleted
       );
 
       unsubscribeNavigationListeners = async () => {
@@ -1451,15 +1445,11 @@ class BrowsingContextModule extends Module {
           contextDescriptor,
           onBeforeRequestSent
         );
+
         await this.messageHandler.eventsDispatcher.off(
           "network._responseCompleted",
           contextDescriptor,
-          onNetworkRequestCompleted
-        );
-        await this.messageHandler.eventsDispatcher.off(
-          "network._fetchError",
-          contextDescriptor,
-          onNetworkRequestCompleted
+          onResponseCompleted
         );
       };
     }

remote/webdriver-bidi/modules/root/network.sys.mjs

@@ -281,15 +281,13 @@ class NetworkModule extends Module {
     this.#networkListener = new lazy.NetworkListener();
     this.#networkListener.on("auth-required", this.#onAuthRequired);
     this.#networkListener.on("before-request-sent", this.#onBeforeRequestSent);
-    this.#networkListener.on("fetch-error", this.#onFetchError);
     this.#networkListener.on("response-completed", this.#onResponseEvent);
     this.#networkListener.on("response-started", this.#onResponseEvent);
   }
 
   destroy() {
     this.#networkListener.off("auth-required", this.#onAuthRequired);
     this.#networkListener.off("before-request-sent", this.#onBeforeRequestSent);
-    this.#networkListener.off("fetch-error", this.#onFetchError);
     this.#networkListener.off("response-completed", this.#onResponseEvent);
     this.#networkListener.off("response-started", this.#onResponseEvent);
     this.#networkListener.destroy();
@@ -789,78 +787,6 @@ class NetworkModule extends Module {
     }
   };
 
-  #onFetchError = (name, data) => {
-    const {
-      contextId,
-      errorText,
-      isNavigationRequest,
-      redirectCount,
-      requestData,
-      timestamp,
-    } = data;
-
-    const browsingContext = lazy.TabManager.getBrowsingContextById(contextId);
-    if (!browsingContext) {
-      // Do not emit events if the context id does not match any existing
-      // browsing context.
-      return;
-    }
-
-    const internalEventName = "network._fetchError";
-    const protocolEventName = "network.fetchError";
-
-    // Process the navigation to create potentially missing navigation ids
-    // before the early return below.
-    const navigation = this.#getNavigationId(
-      protocolEventName,
-      isNavigationRequest,
-      browsingContext,
-      requestData.url
-    );
-
-    // Always emit internal events, they are used to support the browsingContext
-    // navigate command.
-    // Bug 1861922: Replace internal events with a Network listener helper
-    // directly using the NetworkObserver.
-    this.emitEvent(
-      internalEventName,
-      {
-        navigation,
-        url: requestData.url,
-      },
-      this.#getContextInfo(browsingContext)
-    );
-
-    const isListening = this.messageHandler.eventsDispatcher.hasListener(
-      protocolEventName,
-      { contextId }
-    );
-    if (!isListening) {
-      // If there are no listeners subscribed to this event and this context,
-      // bail out.
-      return;
-    }
-
-    const baseParameters = this.#processNetworkEvent(protocolEventName, {
-      contextId,
-      navigation,
-      redirectCount,
-      requestData,
-      timestamp,
-    });
-
-    const fetchErrorEvent = this.#serializeNetworkEvent({
-      ...baseParameters,
-      errorText,
-    });
-
-    this.emitEvent(
-      protocolEventName,
-      fetchErrorEvent,
-      this.#getContextInfo(browsingContext)
-    );
-  };
-
   #onResponseEvent = (name, data) => {
     const {
       contextId,
@@ -1125,7 +1051,6 @@ class NetworkModule extends Module {
     return [
       "network.authRequired",
       "network.beforeRequestSent",
-      "network.fetchError",
       "network.responseCompleted",
       "network.responseStarted",
     ];

testing/web-platform/meta/webdriver/tests/bidi/network/fetch_error/__dir__.ini

@@ -172,34 +172,6 @@ def assert_before_request_sent_event(
     )
 
 
-def assert_fetch_error_event(
-    event,
-    context=None,
-    errorText=None,
-    intercepts=None,
-    is_blocked=None,
-    navigation=None,
-    redirect_count=None,
-    expected_request=None,
-):
-    # Assert errorText
-    assert isinstance(event["errorText"], str)
-
-    if errorText is not None:
-        assert event["errorText"] == errorText
-
-    # Assert base parameters
-    assert_base_parameters(
-        event,
-        context=context,
-        intercepts=intercepts,
-        is_blocked=is_blocked,
-        navigation=navigation,
-        redirect_count=redirect_count,
-        expected_request=expected_request,
-    )
-
-
 def assert_response_data(response_data, expected_response):
     recursive_compare(
         {
@@ -309,7 +281,6 @@ def assert_response_event(
 PAGE_EMPTY_SCRIPT = "/webdriver/tests/bidi/network/support/empty.js"
 PAGE_EMPTY_SVG = "/webdriver/tests/bidi/network/support/empty.svg"
 PAGE_EMPTY_TEXT = "/webdriver/tests/bidi/network/support/empty.txt"
-PAGE_INVALID_URL = "https://not_a_valid_url/"
 PAGE_OTHER_TEXT = "/webdriver/tests/bidi/network/support/other.txt"
 PAGE_REDIRECT_HTTP_EQUIV = (
     "/webdriver/tests/bidi/network/support/redirect_http_equiv.html"
@@ -318,6 +289,5 @@ def assert_response_event(
 
 AUTH_REQUIRED_EVENT = "network.authRequired"
 BEFORE_REQUEST_SENT_EVENT = "network.beforeRequestSent"
-FETCH_ERROR_EVENT = "network.fetchError"
 RESPONSE_COMPLETED_EVENT = "network.responseCompleted"
 RESPONSE_STARTED_EVENT = "network.responseStarted"