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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
// Test that the server ResourceCommand are destroyed when the associated target actors
// are destroyed.
add_task(async function () {
const tab = await addTab("data:text/html,Test");
const { client, resourceCommand, targetCommand } = await initResourceCommand(
tab
);
// Start watching for console messages. We don't care about messages here, only the
// registration/destroy mechanism, so we make onAvailable a no-op function.
await resourceCommand.watchResources(
[resourceCommand.TYPES.CONSOLE_MESSAGE],
{
onAvailable: () => {},
}
);
info(
"Spawn a content task in order to be able to manipulate actors and resource watchers directly"
);
const connectionPrefix = targetCommand.watcherFront.actorID.replace(
/watcher\d+$/,
""
);
await ContentTask.spawn(
tab.linkedBrowser,
[connectionPrefix],
function (_connectionPrefix) {
const { require } = ChromeUtils.importESModule(
);
const { TargetActorRegistry } = ChromeUtils.importESModule(
);
const {
getResourceWatcher,
TYPES,
// Retrieve the target actor instance and its watcher for console messages
const targetActor = TargetActorRegistry.getTargetActors(
{
type: "browser-element",
browserId: content.browsingContext.browserId,
},
_connectionPrefix
).find(actor => actor.isTopLevelTarget);
ok(
targetActor,
"Got the top level target actor from the content process"
);
const watcher = getResourceWatcher(targetActor, TYPES.CONSOLE_MESSAGE);
// Storing the target actor in the global so we can retrieve it later, even if it
// was destroyed
content._testTargetActor = targetActor;
is(!!watcher, true, "The console message resource watcher was created");
}
);
info("Close the client, which will destroy the target");
targetCommand.destroy();
await client.close();
info(
"Spawn a content task in order to run some assertions on actors and resource watchers directly"
);
await ContentTask.spawn(tab.linkedBrowser, [], function () {
const { require } = ChromeUtils.importESModule(
);
const {
getResourceWatcher,
TYPES,
ok(
content._testTargetActor && !content._testTargetActor.actorID,
"The target was destroyed when the client was closed"
);
// Retrieve the console message resource watcher
const watcher = getResourceWatcher(
content._testTargetActor,
TYPES.CONSOLE_MESSAGE
);
is(
!!watcher,
false,
"The console message resource watcher isn't registered anymore after the target was destroyed"
);
// Cleanup work variable
delete content._testTargetActor;
});
});